##### Table of Contents





UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549





FORM 10-Q





(Mark One)

|x | Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
|- | ---------------------------------------------------------------------------------------

For the quarterly period ended September 30, 2009

or



| ̈ | Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
|- | ----------------------------------------------------------------------------------------

For the transition period from  to

Commission file number

001-9106 (Brandywine Realty Trust)

000-24407 (Brandywine Operating Partnership, L.P.)





Brandywine
Realty Trust

Brandywine Operating Partnership, L.P.

(Exact name of registrant as specified in its charter)







|                                                                                    |  |                                     
|----------------------------------------------------------------------------------- |  | ------------------------------------
|MARYLAND (Brandywine Realty Trust) DELAWARE (Brandywine Operating Partnership L.P.) |  | 23-2413352 23-2862640               
|(State or other jurisdiction of Incorporation or organization)                      |  | (I.R.S. Employer Identification No.)



|                                               |  |           
|---------------------------------------------- |  | ----------
|555 East Lancaster Avenue Radnor, Pennsylvania |  | 19087     
|(Address of principal executive offices)       |  | (Zip Code)

Registrants telephone number, including area code (610) 325-5600





Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act
of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.



|                                       |  |                
|-------------------------------------- |  | ---------------
|Brandywine Realty Trust                |  | Yes  x    No   ̈
|Brandywine Operating Partnership, L.P. |  | Yes  x    No   ̈

Indicate by check mark whether the registrant has submitted electronically and posted on its
corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was
required to submit and post such files).



|                                       |  |                
|-------------------------------------- |  | ---------------
|Brandywine Realty Trust                |  | Yes   ̈    No   ̈
|Brandywine Operating Partnership, L.P. |  | Yes   ̈    No   ̈

Indicate by check mark whether the registrant is a large accelerated filer, accelerated filer, or a
non-accelerated filer. See definitions of accelerated filer and large accelerated filer in Rule 12b-2 of the Exchange Act.

Brandywine Realty Trust:



|                        |  |   |  |                           |  |  
|----------------------- |  | - |  | ------------------------- |  | -
|Large accelerated filer |  | x |  | Accelerated filer         |  |  ̈
|                        |  |   | 
|Non-accelerated filer   |  |  ̈ |  | Smaller reporting company |  |  ̈

Brandywine Operating Partnership, L.P.:



|                        |  |   |  |                           |  |  
|----------------------- |  | - |  | ------------------------- |  | -
|Large accelerated filer |  |  ̈ |  | Accelerated filer         |  |  ̈
|                        |  |   | 
|Non-accelerated filer   |  | x |  | Smaller reporting company |  |  ̈

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the
Exchange Act).



|                                       |  |                
|-------------------------------------- |  | ---------------
|Brandywine Realty Trust                |  | Yes   ̈    No  x
|Brandywine Operating Partnership, L.P. |  | Yes   ̈    No  x

A total of 128,582,334 Common Shares of Beneficial Interest, par value $0.01 per share, were
outstanding as of November 4, 2009.









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##### Table of Contents

TABLE OF CONTENTS



|         |  |                                                                                                                                |  |     
|-------- |  | ------------------------------------------------------------------------------------------------------------------------------ |  | ----
|         |  |                                                                                                                                |  | Page
|         |  | PART I - FINANCIAL INFORMATION                                                                                                 |  |     
|         |  |                                                                                                                               
|         |  | Brandywine Realty Trust                                                                                                        |  |     
|         |  |                                                                                                                               
|Item 1.  |  | Financial Statements (unaudited)                                                                                               |  |     
|         |  |                                                                                                                               
|         |  | Consolidated Balance Sheets as of September 30, 2009 and December 31, 2008                                                     |  | 3   
|         |  |                                                                                                                               
|         |  | Consolidated Statements of Operations for the three- and nine-month periods ended September 30, 2009 and 2008                  |  | 4   
|         |  |                                                                                                                               
|         |  | Consolidated Statements of Other Comprehensive Income for the three- and nine-month periods ended September 30,
 2009 and 2008 |  | 5   
|         |  |                                                                                                                               
|         |  | Consolidated Statements of Equity for the nine-month periods ended September 30, 2009 and
2008                                 |  | 6   
|         |  |                                                                                                                               
|         |  | Consolidated Statements of Cash Flows for the nine-month periods ended September 30, 2009 and 2008                             |  | 7   
|         |  |                                                                                                                               
|         |  | Notes to Unaudited Consolidated Financial Statements                                                                           |  | 8   
|         |  |                                                                                                                               
|         |  | Brandywine Operating Partnership, L.P.                                                                                         |  |     
|         |  |                                                                                                                               
|Item 1.  |  | Financial Statements (unaudited)                                                                                               |  |     
|         |  |                                                                                                                               
|         |  | Consolidated Balance Sheets as of September 30, 2009 and December 31, 2008                                                     |  | 39  
|         |  |                                                                                                                               
|         |  | Consolidated Statements of Operations for the three-and nine- month periods ended September 30, 2009 and 2008                  |  | 40  
|         |  |                                                                                                                               
|         |  | Consolidated Statements of Other Comprehensive Income for the three- and nine-month periods ended September 30,
 2009 and 2008 |  | 41  
|         |  |                                                                                                                               
|         |  | Consolidated Statements of Cash Flows for the nine month periods ended September 30, 2009 and 2008                             |  | 42  
|         |  |                                                                                                                               
|         |  | Notes to Unaudited Consolidated Financial Statements                                                                           |  | 43  
|         |  |                                                                                                                               
|Item 2.  |  | Managements Discussion and Analysis of Financial Condition and Results of
Operations                                          |  | 73  
|         |  |                                                                                                                               
|Item 3.  |  | Quantitative and Qualitative Disclosures about Market Risk                                                                     |  | 95  
|         |  |                                                                                                                               
|Item 4.  |  | Controls and Procedures                                                                                                        |  | 95  
|         |  |                                                                                                                               
|         |  | PART II - OTHER INFORMATION                                                                                                    |  |     
|         |  |                                                                                                                               
|Item 1.  |  | Legal Proceedings                                                                                                              |  | 96  
|         |  |                                                                                                                               
|Item 1A. |  | Risk Factors                                                                                                                   |  | 96  
|         |  |                                                                                                                               
|Item 2.  |  | Unregistered Sales of Equity Securities and Use of Proceeds                                                                    |  | 96  
|         |  |                                                                                                                               
|Item 3.  |  | Defaults Upon Senior Securities                                                                                                |  | 96  
|         |  |                                                                                                                               
|Item 4.  |  | Submission of Matters to a Vote of Security Holders                                                                            |  | 96  
|         |  |                                                                                                                               
|Item 5.  |  | Other Information                                                                                                              |  | 96  
|         |  |                                                                                                                               
|Item 6.  |  | Exhibits                                                                                                                       |  | 96  
|         |  |                                                                                                                               
|         |  | Signatures                                                                                                                     |  | 98  

Filing Format

This combined Form 10-Q is being filed separately by Brandywine Realty Trust and Brandywine Operating Partnership, L.P.



2



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##### Table of Contents

PART I - FINANCIAL INFORMATION

Item 1. - Financial Statements

BRANDYWINE REALTY TRUST

CONSOLIDATED BALANCE
SHEETS

(unaudited, in thousands, except share and per share information)



|                                                                                                                                                                                                                                                           |  |                   |            |   |                                |   |            |  
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | ----------------- | ---------- | - | ------------------------------ | - | ---------- | -
|                                                                                                                                                                                                                                                           |  | September 30,2009 |            |   | December 31,2008 (as adjusted) |  
|ASSETS                                                                                                                                                                                                                                                     |  |                   |            |   |                                |   |            |  
|Real estate investments:                                                                                                                                                                                                                                   |  |                   |            |   |                                |   |            |  
|Rental properties                                                                                                                                                                                                                                          |  | $                 | 4,513,378  |   |                                | $ | 4,608,320  |  
|Accumulated depreciation                                                                                                                                                                                                                                   |  |                   | (695,870   | ) |                                |   | (639,688   | )
|                                                                                                                                                                                                                                                           |  |                   |            |   |                                |   |            |  
|Operating real estate investments, net                                                                                                                                                                                                                     |  |                   | 3,817,508  |   |                                |   | 3,968,632  |  
|Construction-in-progress                                                                                                                                                                                                                                   |  |                   | 229,259    |   |                                |   | 122,219    |  
|Land inventory                                                                                                                                                                                                                                             |  |                   | 97,390     |   |                                |   | 100,516    |  
|                                                                                                                                                                                                                                                           |  |                   |            |   |                                |   |            |  
|Total real estate investments, net                                                                                                                                                                                                                         |  |                   | 4,144,157  |   |                                |   | 4,191,367  |  
|Cash and cash equivalents                                                                                                                                                                                                                                  |  |                   | 3,296      |   |                                |   | 3,924      |  
|Cash in escrow                                                                                                                                                                                                                                             |  |                   |           |   |                                |   | 31,385     |  
|Accounts receivable, net                                                                                                                                                                                                                                   |  |                   | 7,282      |   |                                |   | 11,762     |  
|Accrued rent receivable, net                                                                                                                                                                                                                               |  |                   | 85,708     |   |                                |   | 86,362     |  
|Asset held for sale, net                                                                                                                                                                                                                                   |  |                   | 74,006     |   |                                |   |           |  
|Investment in real estate ventures, at equity                                                                                                                                                                                                              |  |                   | 75,929     |   |                                |   | 71,028     |  
|Deferred costs, net                                                                                                                                                                                                                                        |  |                   | 109,503    |   |                                |   | 89,327     |  
|Intangible assets, net                                                                                                                                                                                                                                     |  |                   | 114,080    |   |                                |   | 145,757    |  
|Notes receivable                                                                                                                                                                                                                                           |  |                   | 49,114     |   |                                |   | 48,048     |  
|Other assets                                                                                                                                                                                                                                               |  |                   | 58,227     |   |                                |   | 59,008     |  
|                                                                                                                                                                                                                                                           |  |                   |            |   |                                |   |            |  
|Total assets                                                                                                                                                                                                                                               |  | $                 | 4,721,302  |   |                                | $ | 4,737,968  |  
|                                                                                                                                                                                                                                                           |  |                   |            |   |                                |   |            |  
|                                                                                                                                                                                                                                                           |  |                  
|LIABILITIES AND BENEFICIARIES EQUITY                                                                                                                                                                                                                      |  |                   |            |   |                                |   |            |  
|Mortgage notes payable                                                                                                                                                                                                                                     |  | $                 | 554,616    |   |                                | $ | 487,525    |  
|Borrowing under credit facilities                                                                                                                                                                                                                          |  |                   |           |   |                                |   | 153,000    |  
|Unsecured term loan                                                                                                                                                                                                                                        |  |                   | 183,000    |   |                                |   | 183,000    |  
|Unsecured senior notes, net of discounts                                                                                                                                                                                                                   |  |                   | 1,771,903  |   |                                |   | 1,917,970  |  
|Accounts payable and accrued expenses                                                                                                                                                                                                                      |  |                   | 96,877     |   |                                |   | 74,824     |  
|Distributions payable                                                                                                                                                                                                                                      |  |                   | 15,238     |   |                                |   | 29,288     |  
|Tenant security deposits and deferred rents                                                                                                                                                                                                                |  |                   | 52,012     |   |                                |   | 58,692     |  
|Acquired below market leases, net                                                                                                                                                                                                                          |  |                   | 39,639     |   |                                |   | 47,626     |  
|Other liabilities                                                                                                                                                                                                                                          |  |                   | 61,539     |   |                                |   | 63,545     |  
|Liabilities related to assets held for sale                                                                                                                                                                                                                |  |                   | 666        |   |                                |   |           |  
|                                                                                                                                                                                                                                                           |  |                   |            |   |                                |   |            |  
|Total liabilities                                                                                                                                                                                                                                          |  |                   | 2,775,490  |   |                                |   | 3,015,470  |  
|Commitments and contingencies (Note 15)                                                                                                                                                                                                                    |  |                   |            |   |                                |   |            |  
|Brandywine Realty Trusts equity:                                                                                                                                                                                                                          |  |                   |            |   |                                |   |            |  
|Preferred Shares (shares authorized-20,000,000):                                                                                                                                                                                                           |  |                   |            |   |                                |   |            |  
|7.50% Series C Preferred Shares, $0.01 par value; issued and outstanding- 2,000,000 in 2009 and 2008                                                                                                                                                       |  |                   | 20         |   |                                |   | 20         |  
|7.375% Series D Preferred Shares, $0.01 par value; issued and outstanding- 2,300,000 in 2008 and 2008                                                                                                                                                      |  |                   | 23         |   |                                |   | 23         |  
|Common Shares of Brandywine Realty Trusts beneficial interest, $0.01 par value; shares authorized 200,000,000; 128,849,176
and 88,610,053 issued in 2009 and 2008, respectively and 128,582,334 and 88,158,937 outstanding in 2009 and 2008, respectively |  |                   | 1,286      |   |                                |   | 882        |  
|Additional paid-in capital                                                                                                                                                                                                                                 |  |                   | 2,609,212  |   |                                |   | 2,351,428  |  
|Deferred compensation payable in common stock                                                                                                                                                                                                              |  |                   | 5,549      |   |                                |   | 6,274      |  
|Common shares in treasury, at cost, 266,842 and 451,116 in 2009 and 2008, respectively                                                                                                                                                                     |  |                   | (7,893     | ) |                                |   | (14,121    | )
|Common shares in grantor trust, 255,700 in 2009 and 215,742 in 2008                                                                                                                                                                                        |  |                   | (5,549     | ) |                                |   | (6,274     | )
|Cumulative earnings                                                                                                                                                                                                                                        |  |                   | 505,468    |   |                                |   | 498,716    |  
|Accumulated other comprehensive loss                                                                                                                                                                                                                       |  |                   | (10,349    | ) |                                |   | (17,005    | )
|Cumulative distributions                                                                                                                                                                                                                                   |  |                   | (1,191,352 | ) |                                |   | (1,150,406 | )
|                                                                                                                                                                                                                                                           |  |                   |            |   |                                |   |            |  
|Total Brandywine Realty Trusts equity                                                                                                                                                                                                                     |  |                   | 1,906,415  |   |                                |   | 1,669,537  |  
|Non-controlling interests                                                                                                                                                                                                                                  |  |                   | 39,397     |   |                                |   | 52,961     |  
|                                                                                                                                                                                                                                                           |  |                   |            |   |                                |   |            |  
|Total equity                                                                                                                                                                                                                                               |  |                   | 1,945,812  |   |                                |   | 1,722,498  |  
|                                                                                                                                                                                                                                                           |  |                   |            |   |                                |   |            |  
|Total liabilities and equity                                                                                                                                                                                                                               |  | $                 | 4,721,302  |   |                                | $ | 4,737,968  |  
|                                                                                                                                                                                                                                                           |  |                   |            |   |                                |   |            |  

The accompanying notes are an integral part of these consolidated financial
statements.



3



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##### Table of Contents

BRANDYWINE REALTY TRUST

CONSOLIDATED STATEMENTS OF OPERATIONS

(unaudited, in thousands, except share and per share information)



|                                                                                         |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|---------------------------------------------------------------------------------------- |  | ---------------------------------------------- | ----------- | - | --------------------------------------------- | - | ---------- | ---- |  | - | ------------------ | - |  | - | ---------- | -
|                                                                                         |  | For the three-month periods endedSeptember 30, |             |   | For the nine-month periods endedSeptember 30, |  
|                                                                                         |  | 2009                                           |             |   | 2008 (as adjusted)                            |   |            | 2009 |  |   | 2008 (as adjusted) |  
|Revenue:                                                                                 |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|Rents                                                                                    |  | $                                              | 119,599     |   |                                               | $ | 120,285    |      |  | $ | 359,513            |   |  | $ | 362,342    |  
|Tenant reimbursements                                                                    |  |                                                | 19,164      |   |                                               |   | 18,553     |      |  |   | 56,853             |   |  |   | 55,920     |  
|Termination fees                                                                         |  |                                                | 1,764       |   |                                               |   | 338        |      |  |   | 2,840              |   |  |   | 4,462      |  
|Third Party management fees, labor reimbursement and leasing                             |  |                                                | 5,194       |   |                                               |   | 4,390      |      |  |   | 14,055             |   |  |   | 15,239     |  
|Other                                                                                    |  |                                                | 872         |   |                                               |   | 772        |      |  |   | 2,323              |   |  |   | 2,348      |  
|                                                                                         |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|Total revenue                                                                            |  |                                                | 146,593     |   |                                               |   | 144,338    |      |  |   | 435,584            |   |  |   | 440,311    |  
|                                                                                         |  |                                                |             |  
|Operating Expenses:                                                                      |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|Property operating expenses                                                              |  |                                                | 40,050      |   |                                               |   | 39,143     |      |  |   | 122,857            |   |  |   | 118,032    |  
|Real estate taxes                                                                        |  |                                                | 14,248      |   |                                               |   | 14,522     |      |  |   | 43,059             |   |  |   | 44,376     |  
|Third party management expenses                                                          |  |                                                | 2,256       |   |                                               |   | 1,790      |      |  |   | 6,339              |   |  |   | 6,417      |  
|Depreciation and amortization                                                            |  |                                                | 51,422      |   |                                               |   | 50,019     |      |  |   | 155,852            |   |  |   | 151,627    |  
|General & administrative expenses                                                        |  |                                                | 5,018       |   |                                               |   | 6,863      |      |  |   | 15,491             |   |  |   | 17,902     |  
|                                                                                         |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|Total operating expenses                                                                 |  |                                                | 112,994     |   |                                               |   | 112,337    |      |  |   | 343,598            |   |  |   | 338,354    |  
|                                                                                         |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|                                                                                         |  |                                                |             |  
|Operating income                                                                         |  |                                                | 33,599      |   |                                               |   | 32,001     |      |  |   | 91,986             |   |  |   | 101,957    |  
|                                                                                         |  |                                                |             |  
|Other Income (Expense):                                                                  |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|Interest income                                                                          |  |                                                | 473         |   |                                               |   | 221        |      |  |   | 1,695              |   |  |   | 603        |  
|Interest expense                                                                         |  |                                                | (31,455     | ) |                                               |   | (36,037    | )    |  |   | (102,045           | ) |  |   | (109,822   | )
|Amortization of deferred financing costs                                                 |  |                                                | (1,579      | ) |                                               |   | (1,092     | )    |  |   | (4,725             | ) |  |   | (3,798     | )
|Recognized hedge activity                                                                |  |                                                | (1,517      | ) |                                               |   |           |      |  |   | (1,822             | ) |  |   |           |  
|Equity in income of real estate ventures                                                 |  |                                                | 1,331       |   |                                               |   | 1,059      |      |  |   | 3,450              |   |  |   | 3,838      |  
|Net gain (loss) on disposition of undepreciated real estate                              |  |                                                |            |   |                                               |   |           |      |  |   |                   |   |  |   | (24        | )
|Gain on early extinguishment of debt                                                     |  |                                                | 5,073       |   |                                               |   |           |      |  |   | 23,724             |   |  |   | 3,106      |  
|                                                                                         |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|Income (loss) from continuing operations                                                 |  |                                                | 5,925       |   |                                               |   | (3,848     | )    |  |   | 12,263             |   |  |   | (4,140     | )
|                                                                                         |  |                                                |             |  
|Discontinued operations:                                                                 |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|Income from discontinued operations                                                      |  |                                                | 1,390       |   |                                               |   | 5,594      |      |  |   | 4,690              |   |  |   | 13,145     |  
|Net gain (loss) on disposition of discontinued operations                                |  |                                                | (6          | ) |                                               |   |           |      |  |   | (1,037             | ) |  |   | 21,401     |  
|Provision for impairment                                                                 |  |                                                |            |   |                                               |   |           |      |  |   | (3,700             | ) |  |   | (6,850     | )
|                                                                                         |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|Total discontinued operations                                                            |  |                                                | 1,384       |   |                                               |   | 5,594      |      |  |   | (47                | ) |  |   | 27,696     |  
|                                                                                         |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|                                                                                         |  |                                                |             |  
|Net income                                                                               |  |                                                | 7,309       |   |                                               |   | 1,746      |      |  |   | 12,216             |   |  |   | 23,556     |  
|                                                                                         |  |                                                |             |  
|Net (income) loss from discontinued operations attributable to non-controlling interests |  |                                                | (30         | ) |                                               |   | (202       | )    |  |   | 14                 |   |  |   | (1,094     | )
|Net (income) loss from continuing operations attributable to non-controlling interests   |  |                                                | (131        | ) |                                               |   | 153        |      |  |   | (248               | ) |  |   | 217        |  
|                                                                                         |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|Net (income) attributable to non-controlling interests                                   |  |                                                | (161        | ) |                                               |   | (49        | )    |  |   | (234               | ) |  |   | (877       | )
|                                                                                         |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|Net income attributable to Brandywine Realty Trust                                       |  |                                                | 7,148       |   |                                               |   | 1,697      |      |  |   | 11,982             |   |  |   | 22,679     |  
|Distribution to Preferred Shares                                                         |  |                                                | (1,998      | ) |                                               |   | (1,998     | )    |  |   | (5,994             | ) |  |   | (5,994     | )
|Amount allocated to unvested restricted shareholders                                     |  |                                                | (73         | ) |                                               |   | (226       | )    |  |   | (183               | ) |  |   | (620       | )
|                                                                                         |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|Income (loss) allocated to Common Shares                                                 |  | $                                              | 5,077       |   |                                               | $ | (527       | )    |  | $ | 5,805              |   |  | $ | 16,065     |  
|                                                                                         |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|                                                                                         |  |                                                |             |  
|Basic earnings (loss) per Common Share:                                                  |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|Continuing operations                                                                    |  | $                                              | 0.03        |   |                                               | $ | (0.07      | )    |  | $ | 0.05               |   |  | $ | (0.12      | )
|Discontinued operations                                                                  |  |                                                | 0.01        |   |                                               |   | 0.06       |      |  |   | (0.00              | ) |  |   | 0.30       |  
|                                                                                         |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|                                                                                         |  | $                                              | 0.04        |   |                                               | $ | (0.01      | )    |  | $ | 0.05               |   |  | $ | 0.18       |  
|                                                                                         |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|                                                                                         |  |                                                |             |  
|Diluted earnings (loss) per Common Share:                                                |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|Continuing operations                                                                    |  | $                                              | 0.03        |   |                                               | $ | (0.07      | )    |  | $ | 0.05               |   |  | $ | (0.12      | )
|Discontinued operations                                                                  |  |                                                | 0.01        |   |                                               |   | 0.06       |      |  |   | (0.00              | ) |  |   | 0.30       |  
|                                                                                         |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|                                                                                         |  | $                                              | 0.04        |   |                                               | $ | (0.01      | )    |  | $ | 0.05               |   |  | $ | 0.18       |  
|                                                                                         |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|                                                                                         |  |                                                |             |  
|Dividends declared per Common Share                                                      |  | $                                              | 0.10        |   |                                               | $ | 0.44       |      |  | $ | 0.50               |   |  | $ | 1.32       |  
|                                                                                         |  |                                                |             |  
|Basic weighted average shares outstanding                                                |  |                                                | 128,582,498 |   |                                               |   | 87,695,892 |      |  |   | 106,273,509        |   |  |   | 87,423,108 |  
|                                                                                         |  |                                                |             |  
|Diluted weighted average shares outstanding                                              |  |                                                | 129,926,110 |   |                                               |   | 87,695,892 |      |  |   | 107,206,551        |   |  |   | 87,437,133 |  
|                                                                                         |  |                                                |             |  
|Net (loss) income attributable to Brandywine Realty Trust                                |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|Income (loss) from continuing operations                                                 |  | $                                              | 5,794       |   |                                               | $ | (3,695     | )    |  | $ | 12,015             |   |  | $ | (3,923     | )
|Income (loss) from discontinued operations                                               |  |                                                | 1,354       |   |                                               |   | 5,392      |      |  |   | (33                | ) |  |   | 26,602     |  
|                                                                                         |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  
|Net income                                                                               |  | $                                              | 7,148       |   |                                               | $ | 1,697      |      |  | $ | 11,982             |   |  | $ | 22,679     |  
|                                                                                         |  |                                                |             |   |                                               |   |            |      |  |   |                    |   |  |   |            |  

The accompanying notes are an integral part of these consolidated financial
statements.



4



---

##### Table of Contents

BRANDYWINE REALTY TRUST

CONSOLIDATED STATEMENTS OF OTHER COMPREHENSIVE INCOME

(unaudited, in thousands)



|                                                                                                   |  |                                                |       |   |                                               |   |        |      |  |   |                    |   |  |   |        |  
|-------------------------------------------------------------------------------------------------- |  | ---------------------------------------------- | ----- | - | --------------------------------------------- | - | ------ | ---- |  | - | ------------------ | - |  | - | ------ | -
|                                                                                                   |  | For the three-month periods endedSeptember 30, |       |   | For the nine-month periods endedSeptember 30, |  
|                                                                                                   |  | 2009                                           |       |   | 2008 (as adjusted)                            |   |        | 2009 |  |   | 2008 (as adjusted) |  
|                                                                                                   |  |                                                |       |  
|Net income                                                                                         |  | $                                              | 7,309 |   |                                               | $ | 1,746  |      |  | $ | 12,216             |   |  | $ | 23,556 |  
|Other comprehensive income (loss):                                                                 |  |                                                |       |   |                                               |   |        |      |  |   |                    |   |  |   |        |  
|Unrealized gain (loss) on derivative financial instruments                                         |  |                                                | 328   |   |                                               |   | (1,664 | )    |  |   | 6,399              |   |  |   | (1,139 | )
|Reclassification of realized (gains) losses on derivative financial instruments to operations, net |  |                                                | (20   | ) |                                               |   | (20    | )    |  |   | (60                | ) |  |   | (60    | )
|Unrealized gain on available-for-sale securities                                                   |  |                                                |      |   |                                               |   |       |      |  |   |                   |   |  |   | 248    |  
|                                                                                                   |  |                                                |       |   |                                               |   |        |      |  |   |                    |   |  |   |        |  
|Total other comprehensive income (loss)                                                            |  |                                                | 308   |   |                                               |   | (1,684 | )    |  |   | 6,339              |   |  |   | (951   | )
|                                                                                                   |  |                                                |       |   |                                               |   |        |      |  |   |                    |   |  |   |        |  
|Comprehensive income                                                                               |  | $                                              | 7,617 |   |                                               | $ | 62     |      |  | $ | 18,555             |   |  | $ | 22,605 |  
|                                                                                                   |  |                                                |       |   |                                               |   |        |      |  |   |                    |   |  |   |        |  
|Comprehensive (income) loss attributable to non-controlling interest                               |  |                                                | (168  | ) |                                               |   | (49    | )    |  |   | 83                 |   |  |   | (877   | )
|                                                                                                   |  |                                                |       |   |                                               |   |        |      |  |   |                    |   |  |   |        |  
|Comprehensive income attributable to Brandywine Realty Trust                                       |  | $                                              | 7,449 |   |                                               | $ | 13     |      |  | $ | 18,638             |   |  | $ | 21,728 |  
|                                                                                                   |  |                                                |       |   |                                               |   |        |      |  |   |                    |   |  |   |        |  

The accompanying notes are an integral part of these consolidated financial
statements.



5



---

##### Table of Contents

CONSOLIDATED STATEMENTS OF EQUITY

For the Nine-Month Periods Ended September 30, 2009 and 2008

(unaudited, in thousands, except number of shares)

September 30, 2009



|                                                  |  |                            |  |                               |    |                            |           |                               |   |                       |  |             |                         |  |         |                                                 |  |                                                             |  |                           |       |  |   |           |  
|------------------------------------------------- |  | -------------------------- |  | ----------------------------- | -- | -------------------------- | --------- | ----------------------------- | - | --------------------- |  | ----------- | ----------------------- |  | ------- | ----------------------------------------------- |  | ----------------------------------------------------------- |  | ------------------------- | ----- |  | - | --------- | -
|                                                  |  | Number ofPreferredC
Shares |  | Par Value ofPreferred CShares |    | Number ofPreferredD
Shares |           | Par Value ofPreferred DShares |   | Number ofCommonShares |  |             | Number ofTreasuryShares |  |         | Number of RabbiTrust/DeferredCompensationShares |  | Common Shares ofBrandywine RealtyTrusts
beneficialinterest |  | AdditionalPaid-in Capital |      
|                                                  |  |                            |  |                               |    |                            |           |                               |  
|BALANCE, December 31, 2008                        |  | 2,000,000                  |  | $                             | 20 |                            | 2,300,000 |                               | $ | 23                    |  | 88,610,053  |                         |  | 451,116 |                                                 |  | 215,742                                                     |  | $                         | 882   |  | $ | 2,351,428 |  
|                                                  |  |                            |  |                               |    |                            |           |                               |  
|Net Income                                        |  |                            |  |                               |    |                            |           |                               |   |                       |  |             |                         |  |         |                                                 |  |                                                             |  |                           |       |  |   |           |  
|Other comprehensive income                        |  |                            |  |                               |    |                            |           |                               |   |                       |  |             |                         |  |         |                                                 |  |                                                             |  |                           |       |  |   |           |  
|Issuance of Common Shares of Beneficial Interest  |  |                            |  |                               |    |                            |           |                               |   |                       |  | 40,250,000  |                         |  |         |                                                 |  |                                                             |  |                           | 402   |  |   | 241,920   |  
|Bonus Share Issuance                              |  |                            |  |                               |    |                            |           |                               |   |                       |  |             |                         |  | (36,826 | )                                               |  |                                                             |  |                           |       |  |   |           |  
|Vesting of Restricted Stock                       |  |                            |  |                               |    |                            |           |                               |   |                       |  |             |                         |  | (78,607 | )                                               |  | 8,971                                                       |  |                           | 2     |  |   | (778      | )
|Restricted Stock Amortization                     |  |                            |  |                               |    |                            |           |                               |   |                       |  |             |                         |  |         |                                                 |  |                                                             |  |                           |       |  |   | 2,482     |  
|Restricted Performance Units Amortization         |  |                            |  |                               |    |                            |           |                               |   |                       |  |             |                         |  |         |                                                 |  |                                                             |  |                           |       |  |   | 200       |  
|Share Issuance from/to Deferred Compensation Plan |  |                            |  |                               |    |                            |           |                               |   |                       |  | (3,796      | )                       |  | (54,854 | )                                               |  | 26,092                                                      |  |                           |      |  |   | (29       | )
|Share Choice Plan Issuance                        |  |                            |  |                               |    |                            |           |                               |   |                       |  | (7,081      | )                       |  |         |                                                 |  |                                                             |  |                           |       |  |   | (46       | )
|Stock Option Amortization                         |  |                            |  |                               |    |                            |           |                               |   |                       |  |             |                         |  |         |                                                 |  |                                                             |  |                           |       |  |   | 340       |  
|Outperformance Plan Amortization                  |  |                            |  |                               |    |                            |           |                               |   |                       |  |             |                         |  |         |                                                 |  |                                                             |  |                           |       |  |   | 803       |  
|Trustee Fees Paid in Shares                       |  |                            |  |                               |    |                            |           |                               |   |                       |  |             |                         |  | (13,987 | )                                               |  | 4,895                                                       |  |                           |       |  |   |           |  
|Other - consolidated real estate ventures         |  |                            |  |                               |    |                            |           |                               |   |                       |  |             |                         |  |         |                                                 |  |                                                             |  |                           |       |  |   |           |  
|Preferred Share distributions                     |  |                            |  |                               |    |                            |           |                               |   |                       |  |             |                         |  |         |                                                 |  |                                                             |  |                           |       |  |   |           |  
|Other activity                                    |  |                            |  |                               |    |                            |           |                               |   |                       |  |             |                         |  |         |                                                 |  |                                                             |  |                           |       |  |   | 183       |  
|Adjustment for Non-Controlling Interests          |  |                            |  |                               |    |                            |           |                               |   |                       |  |             |                         |  |         |                                                 |  |                                                             |  |                           |       |  |   | 12,709    |  
|Distributions declared ($0.10 per share)          |  |                            |  |                               |    |                            |           |                               |   |                       |  |             |                         |  |         |                                                 |  |                                                             |  |                           |       |  |   |           |  
|                                                  |  |                            |  |                               |    |                            |           |                               |   |                       |  |             |                         |  |         |                                                 |  |                                                             |  |                           |       |  |   |           |  
|                                                  |  |                            |  |                               |    |                            |           |                               |  
|BALANCE, September 30, 2009                       |  | 2,000,000                  |  | $                             | 20 |                            | 2,300,000 |                               | $ | 23                    |  | 128,849,176 |                         |  | 266,842 |                                                 |  | 255,700                                                     |  | $                         | 1,286 |  | $ | 2,609,212 |  
|                                                  |  |                            |  |                               |    |                            |           |                               |   |                       |  |             |                         |  |         |                                                 |  |                                                             |  |                           |       |  |   |           |  



|                                                  |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |         |                          |  |   |            |   |  |   |         |   |  |   |           |  
|------------------------------------------------- |  | ----------------------- | ------- | - | ----------------------------------------- | - | ----- | --------------------------- |  | - | ------------------ | - |  | --------------------------------- | ------- | - | ----------------------- | - | ------- | ------------------------ |  | - | ---------- | - |  | - | ------- | - |  | - | --------- | -
|                                                  |  | CommonShares inTreasury |         |   | DeferredCompensationPayable inCommonStock |   |       | CommonShares inGrantorTrust |  |   | CumulativeEarnings |   |  | AccumulatedOtherComprehensiveLoss |         |   | CumulativeDistributions |   |         | Non-ControllingInterests |  |   | Total      |  
|                                                  |  |                         |         |   |                                           |   |       |                            
|BALANCE, December 31, 2008                        |  | $                       | (14,121 | ) |                                           | $ | 6,274 |                             |  | $ | (6,274             | ) |  | $                                 | 498,716 |   |                         | $ | (17,005 | )                        |  | $ | (1,150,406 | ) |  | $ | 52,961  |   |  | $ | 1,722,498 |  
|                                                  |  |                         |         |   |                                           |   |       |                            
|Net Income                                        |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   | 11,982  |   |                         |   |         |                          |  |   |            |   |  |   | 234     |   |  |   | 12,216    |  
|Other comprehensive income                        |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   | 6,656   |                          |  |   |            |   |  |   | (317    | ) |  |   | 6,339     |  
|Issuance of Common Shares of Beneficial Interest  |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |         |                          |  |   |            |   |  |   |         |   |  |   | 242,322   |  
|Bonus Share Issuance                              |  |                         | 1,228   |   |                                           |   |       |                             |  |   |                    |   |  |                                   | (1,105  | ) |                         |   |         |                          |  |   |            |   |  |   |         |   |  |   | 123       |  
|Vesting of Restricted Stock                       |  |                         | 2,704   |   |                                           |   | 56    |                             |  |   | (56                | ) |  |                                   | (2,142  | ) |                         |   |         |                          |  |   |            |   |  |   |         |   |  |   | (214      | )
|Restricted Stock Amortization                     |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |         |                          |  |   |            |   |  |   |         |   |  |   | 2,482     |  
|Restricted Performance Units Amortization         |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |         |                          |  |   |            |   |  |   |         |   |  |   | 200       |  
|Share Issuance from/to Deferred Compensation Plan |  |                         | 1,830   |   |                                           |   | (816  | )                           |  |   | 816                |   |  |                                   | (1,670  | ) |                         |   |         |                          |  |   |            |   |  |   |         |   |  |   | 131       |  
|Share Choice Plan Issuance                        |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |         |                          |  |   |            |   |  |   |         |   |  |   | (46       | )
|Stock Option Amortization                         |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |         |                          |  |   |            |   |  |   |         |   |  |   | 340       |  
|Outperformance Plan Amortization                  |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |         |                          |  |   |            |   |  |   |         |   |  |   | 803       |  
|Trustee Fees Paid in Shares                       |  |                         | 466     |   |                                           |   | 35    |                             |  |   | (35                | ) |  |                                   | (313    | ) |                         |   |         |                          |  |   |            |   |  |   |         |   |  |   | 153       |  
|Other - consolidated real estate ventures         |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |         |                          |  |   |            |   |  |   | 73      |   |  |   | 73        |  
|Preferred Share distributions                     |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |         |                          |  |   | (5,994     | ) |  |   |         |   |  |   | (5,994    | )
|Other activity                                    |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |         |                          |  |   |            |   |  |   |         |   |  |   | 183       |  
|Adjustment for Non-Controlling Interests          |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |         |                          |  |   |            |   |  |   | (12,709 | ) |  |   |          |  
|Distributions declared ($0.10 per share)          |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |         |                          |  |   | (34,952    | ) |  |   | (845    | ) |  |   | (35,797   | )
|                                                  |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |         |                          |  |   |            |   |  |   |         |   |  |   |           |  
|                                                  |  |                         |         |   |                                           |   |       |                            
|BALANCE, September 30, 2009                       |  | $                       | (7,893  | ) |                                           | $ | 5,549 |                             |  | $ | (5,549             | ) |  | $                                 | 505,468 |   |                         | $ | (10,349 | )                        |  | $ | (1,191,352 | ) |  | $ | 39,397  |   |  | $ | 1,945,812 |  
|                                                  |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |         |                          |  |   |            |   |  |   |         |   |  |   |           |  

September 30, 2008



|                                                  |  |                            |  |                               |    |                            |           |                               |   |                       |  |            |                         |  |           |                                                 |  |         |                                                             |  |   |                           |   |  |   |           |  
|------------------------------------------------- |  | -------------------------- |  | ----------------------------- | -- | -------------------------- | --------- | ----------------------------- | - | --------------------- |  | ---------- | ----------------------- |  | --------- | ----------------------------------------------- |  | ------- | ----------------------------------------------------------- |  | - | ------------------------- | - |  | - | --------- | -
|                                                  |  | Number ofPreferredC Shares |  | Par Value ofPreferred CShares |    | Number ofPreferredD Shares |           | Par Value ofPreferred DShares |   | Number ofCommonShares |  |            | Number ofTreasuryShares |  |           | Number of RabbiTrust/DeferredCompensationShares |  |         | Common Shares ofBrandywine RealtyTrusts
beneficialinterest |  |   | AdditionalPaid-in Capital |  
|                                                  |  |                            |  |                               |    |                            |           |                               |  
|BALANCE, December 31, 2007                        |  | 2,000,000                  |  | $                             | 20 |                            | 2,300,000 |                               | $ | 23                    |  | 88,614,322 |                         |  | 1,599,637 |                                                 |  | 171,650 |                                                             |  | $ | 870                       |   |  | $ | 2,348,153 |  
|                                                  |  |                            |  |                               |    |                            |           |                               |  
|Net income                                        |  |                            |  |                               |    |                            |           |                               |   |                       |  |            |                         |  |           |                                                 |  |         |                                                             |  |   |                           |   |  |   |           |  
|Other comprehensive income                        |  |                            |  |                               |    |                            |           |                               |   |                       |  |            |                         |  |           |                                                 |  |         |                                                             |  |   |                           |   |  |   |           |  
|Vesting of Restricted Stock                       |  |                            |  |                               |    |                            |           |                               |   |                       |  |            |                         |  | (73,741   | )                                               |  | 9,895   |                                                             |  |   | 3                         |   |  |   | (1,012    | )
|Restricted Stock Amortization                     |  |                            |  |                               |    |                            |           |                               |   |                       |  |            |                         |  |           |                                                 |  |         |                                                             |  |   |                           |   |  |   | 2,389     |  
|Conversion of LP units to Common Shares           |  |                            |  |                               |    |                            |           |                               |   |                       |  |            |                         |  | (561,568  | )                                               |  |         |                                                             |  |   | 6                         |   |  |   |           |  
|Share Cancellation/Forfeiture                     |  |                            |  |                               |    |                            |           |                               |   |                       |  | (1,374     | )                       |  | 150       |                                                 |  | (458    | )                                                           |  |   | (1                        | ) |  |   | 17        |  
|Share Issuance from/to Deferred Compensation Plan |  |                            |  |                               |    |                            |           |                               |   |                       |  |            |                         |  | (44,286   | )                                               |  | 32,597  |                                                             |  |   |                           |   |  |   |           |  
|Share Choice Plan Issuance                        |  |                            |  |                               |    |                            |           |                               |   |                       |  | (2,895     | )                       |  |           |                                                 |  |         |                                                             |  |   | (1                        | ) |  |   | (48       | )
|Stock Option Amortization                         |  |                            |  |                               |    |                            |           |                               |   |                       |  |            |                         |  |           |                                                 |  |         |                                                             |  |   |                           |   |  |   | 189       |  
|Outperformance Plan Amortization                  |  |                            |  |                               |    |                            |           |                               |   |                       |  |            |                         |  |           |                                                 |  |         |                                                             |  |   |                           |   |  |   | 1,102     |  
|Trustee Fees Paid in Shares                       |  |                            |  |                               |    |                            |           |                               |   |                       |  |            |                         |  | (5,586    | )                                               |  | 2,058   |                                                             |  |   |                           |   |  |   | 60        |  
|Preferred Share distributions                     |  |                            |  |                               |    |                            |           |                               |   |                       |  |            |                         |  |           |                                                 |  |         |                                                             |  |   |                           |   |  |   |           |  
|Distributions declared ($0.44 per share)          |  |                            |  |                               |    |                            |           |                               |   |                       |  |            |                         |  |           |                                                 |  |         |                                                             |  |   |                           |   |  |   |           |  
|                                                  |  |                            |  |                               |    |                            |           |                               |   |                       |  |            |                         |  |           |                                                 |  |         |                                                             |  |   |                           |   |  |   |           |  
|                                                  |  |                            |  |                               |    |                            |           |                               |  
|BALANCE, September 30, 2008                       |  | 2,000,000                  |  | $                             | 20 |                            | 2,300,000 |                               | $ | 23                    |  | 88,610,053 |                         |  | 914,606   |                                                 |  | 215,742 |                                                             |  | $ | 877                       |   |  | $ | 2,350,850 |  
|                                                  |  |                            |  |                               |    |                            |           |                               |   |                       |  |            |                         |  |           |                                                 |  |         |                                                             |  |   |                           |   |  |   |           |  



|                                                  |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |        |                          |  |   |            |   |  |   |         |   |  |   |           |  
|------------------------------------------------- |  | ----------------------- | ------- | - | ----------------------------------------- | - | ----- | --------------------------- |  | - | ------------------ | - |  | --------------------------------- | ------- | - | ----------------------- | - | ------ | ------------------------ |  | - | ---------- | - |  | - | ------- | - |  | - | --------- | -
|                                                  |  | CommonShares inTreasury |         |   | DeferredCompensationPayable inCommonStock |   |       | CommonShares inGrantorTrust |  |   | CumulativeEarnings |   |  | AccumulatedOtherComprehensiveLoss |         |   | CumulativeDistributions |   |        | Non-ControllingInterests |  |   | Total      |  
|                                                  |  |                         |         |   |                                           |   |       |                            
|BALANCE, December 31, 2007                        |  | $                       | (53,449 | ) |                                           | $ | 5,651 |                             |  | $ | (5,651             | ) |  | $                                 | 471,902 |   |                         | $ | (1,885 | )                        |  | $ | (999,654   | ) |  | $ | 84,076  |   |  | $ | 1,850,056 |  
|                                                  |  |                         |         |   |                                           |   |       |                            
|Net income                                        |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   | 22,678  |   |                         |   |        |                          |  |   |            |   |  |   | 878     |   |  |   | 23,556    |  
|Other comprehensive income                        |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   | (951   | )                        |  |   |            |   |  |   |         |   |  |   | (951      | )
|Vesting of Restricted Stock                       |  |                         | 2,370   |   |                                           |   | 167   |                             |  |   | (167               | ) |  |                                   | (1,205  | ) |                         |   |        |                          |  |   |            |   |  |   |         |   |  |   | 156       |  
|Restricted Stock Amortization                     |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |        |                          |  |   |            |   |  |   |         |   |  |   | 2,389     |  
|Conversion of LP units to Common Shares           |  |                         | 21,346  |   |                                           |   |       |                             |  |   |                    |   |  |                                   | (5,727  | ) |                         |   |        |                          |  |   |            |   |  |   | (14,821 | ) |  |   | 804       |  
|Share Cancellation/Forfeiture                     |  |                         |         |   |                                           |   | (15   | )                           |  |   | 15                 |   |  |                                   |         |   |                         |   |        |                          |  |   |            |   |  |   |         |   |  |   | 16        |  
|Share Issuance from/to Deferred Compensation Plan |  |                         | 976     |   |                                           |   | 434   |                             |  |   | (434               | ) |  |                                   | (723    | ) |                         |   |        |                          |  |   |            |   |  |   |         |   |  |   | 253       |  
|Share Choice Plan Issuance                        |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |        |                          |  |   |            |   |  |   |         |   |  |   | (49       | )
|Stock Option Amortization                         |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |        |                          |  |   |            |   |  |   |         |   |  |   | 189       |  
|Outperformance Plan Amortization                  |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |        |                          |  |   |            |   |  |   |         |   |  |   | 1,102     |  
|Trustee Fees Paid in Shares                       |  |                         | 35      |   |                                           |   | 35    |                             |  |   | (35                | ) |  |                                   | (97     | ) |                         |   |        |                          |  |   |            |   |  |   |         |   |  |   | (2        | )
|Preferred Share distributions                     |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |        |                          |  |   | (5,994     | ) |  |   |         |   |  |   | (5,994    | )
|Distributions declared ($0.44 per share)          |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |        |                          |  |   | (116,042   | ) |  |   | (4,652  | ) |  |   | (120,694  | )
|                                                  |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |        |                          |  |   |            |   |  |   |         |   |  |   |           |  
|                                                  |  |                         |         |   |                                           |   |       |                            
|BALANCE, September 30, 2008                       |  | $                       | (28,722 | ) |                                           | $ | 6,272 |                             |  | $ | (6,272             | ) |  | $                                 | 486,828 |   |                         | $ | (2,836 | )                        |  | $ | (1,121,690 | ) |  | $ | 65,481  |   |  | $ | 1,750,831 |  
|                                                  |  |                         |         |   |                                           |   |       |                             |  |   |                    |   |  |                                   |         |   |                         |   |        |                          |  |   |            |   |  |   |         |   |  |   |           |  



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##### Table of Contents

BRANDYWINE REALTY TRUST

CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited, in thousands)



|                                                                                          |  |                                       |          |   |                    |   |          |  
|----------------------------------------------------------------------------------------- |  | ------------------------------------- | -------- | - | ------------------ | - | -------- | -
|                                                                                          |  | Nine-month periodsended September
30, |         
|                                                                                          |  | 2009                                  |          |   | 2008 (as adjusted) |  
|Cash flows from operating activities:                                                     |  |                                       |          |   |                    |   |          |  
|Net income                                                                                |  | $                                     | 12,216   |   |                    | $ | 23,556   |  
|Adjustments to reconcile net income to net cash from operating activities:                |  |                                       |          |   |                    |   |          |  
|Depreciation                                                                              |  |                                       | 119,432  |   |                    |   | 120,185  |  
|Amortization:                                                                             |  |                                       |          |   |                    |   |          |  
|Deferred financing costs                                                                  |  |                                       | 4,725    |   |                    |   | 3,799    |  
|Amortization of debt discount                                                             |  |                                       | 3,015    |   |                    |   | 4,518    |  
|Deferred leasing costs                                                                    |  |                                       | 13,472   |   |                    |   | 12,306   |  
|Acquired above (below) market leases, net                                                 |  |                                       | (4,827   | ) |                    |   | (6,493   | )
|Acquired lease intangibles                                                                |  |                                       | 24,926   |   |                    |   | 31,589   |  
|Deferred compensation costs                                                               |  |                                       | 3,880    |   |                    |   | 3,952    |  
|Recognized hedge activity                                                                 |  |                                       | 1,822    |   |                    |   |         |  
|Straight-line rent                                                                        |  |                                       | (6,778   | ) |                    |   | (13,730  | )
|Provision for doubtful accounts                                                           |  |                                       | 4,643    |   |                    |   | 3,150    |  
|Provision for impairment in real estate                                                   |  |                                       | 3,700    |   |                    |   | 6,850    |  
|Real estate venture income in excess of distributions                                     |  |                                       | (1,450   | ) |                    |   | (569     | )
|Net gain on sale of interests in real estate                                              |  |                                       | 1,038    |   |                    |   | (21,377  | )
|Gain on early extinguishment of debt                                                      |  |                                       | (23,724  | ) |                    |   | (3,106   | )
|Cummulative interest accretion on repayments of unsecured notes                           |  |                                       | (3,730   | ) |                    |   | (435     | )
|Changes in assets and liabilities:                                                        |  |                                       |          |   |                    |   |          |  
|Accounts receivable                                                                       |  |                                       | 3,827    |   |                    |   | 7,046    |  
|Other assets                                                                              |  |                                       | (8,243   | ) |                    |   | (7,145   | )
|Accounts payable and accrued expenses                                                     |  |                                       | 18,102   |   |                    |   | 24,497   |  
|Tenant security deposits and deferred rents                                               |  |                                       | (4,594   | ) |                    |   | (4,851   | )
|Other liabilities                                                                         |  |                                       | 1,647    |   |                    |   | (3,592   | )
|                                                                                          |  |                                       |          |   |                    |   |          |  
|Net cash from operating activities                                                        |  |                                       | 163,099  |   |                    |   | 180,150  |  
|Cash flows from investing activities:                                                     |  |                                       |          |   |                    |   |          |  
|Sales of properties, net                                                                  |  |                                       | 33,354   |   |                    |   | 53,601   |  
|Capital expenditures                                                                      |  |                                       | (157,348 | ) |                    |   | (130,717 | )
|Investment in unconsolidated real estate ventures                                         |  |                                       | (14,980  | ) |                    |   | (853     | )
|Escrowed cash                                                                             |  |                                       | 31,385   |   |                    |   |         |  
|Cash distributions from unconsolidated real estate ventures in excess of equity in income |  |                                       | 11,528   |   |                    |   | 1,984    |  
|Leasing costs                                                                             |  |                                       | (22,687  | ) |                    |   | (7,302   | )
|                                                                                          |  |                                       |          |   |                    |   |          |  
|Net cash used in investing activities                                                     |  |                                       | (118,748 | ) |                    |   | (83,287  | )
|Cash flows from financing activities:                                                     |  |                                       |          |   |                    |   |          |  
|Proceeds from Credit Facility borrowings                                                  |  |                                       | 806,000  |   |                    |   | 302,000  |  
|Repayments of Credit Facility borrowings                                                  |  |                                       | (959,000 | ) |                    |   | (257,727 | )
|Proceeds from mortgage notes payable                                                      |  |                                       | 149,800  |   |                    |   |         |  
|Repayments of mortgage notes payable                                                      |  |                                       | (81,558  | ) |                    |   | (21,946  | )
|Proceeds from unsecured                                                                   |  |                                       | 247,030  |   |                    |   | 33,000   |  
|Repayments of unsecured notes                                                             |  |                                       | (369,862 | ) |                    |   | (27,958  | )
|Debt financing costs                                                                      |  |                                       | (24,354  | ) |                    |   | (273     | )
|Net proceeds from issuance of common shares                                               |  |                                       | 242,332  |   |                    |   |         |  
|Distributions paid to shareholders                                                        |  |                                       | (53,958  | ) |                    |   |         |  
|Distributions paid to noncontrolling interest                                             |  |                                       | (1,409   | ) |                    |   | (126,885 | )
|                                                                                          |  |                                       |          |   |                    |   |          |  
|Net cash used in financing activities                                                     |  |                                       | (44,979  | ) |                    |   | (99,789  | )
|                                                                                          |  |                                       |          |   |                    |   |          |  
|Increase (decrease) in cash and cash equivalents                                          |  |                                       | (628     | ) |                    |   | (2,926   | )
|Cash and cash equivalents at beginning of period                                          |  |                                       | 3,924    |   |                    |   | 5,600    |  
|                                                                                          |  |                                       |          |   |                    |   |          |  
|Cash and cash equivalents at end of period                                                |  | $                                     | 3,296    |   |                    | $ | 2,674    |  
|                                                                                          |  |                                       |          |   |                    |   |          |  
|Supplemental disclosure:                                                                  |  |                                       |          |   |                    |   |          |  
|Cash paid for interest, net of capitalized interest                                       |  | $                                     | 92,309   |   |                    | $ | 110,121  |  
|                                                                                          |  |                                      
|Supplemental disclosure of non-cash activity:                                             |  |                                       |          |   |                    |   |          |  
|Change in capital expenditures financed through accounts payable                          |  | $                                     | 8,290    |   |                    | $ | 1,072    |  

The accompanying notes are an integral part of these consolidated financial
statements.



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##### Table of Contents

BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

September 30, 2009

1. THE COMPANY

Brandywine Realty Trust, a Maryland real estate investment trust, or REIT, is a self-administered and self-managed real estate investment trust, or REIT,
that provides leasing, property management, development, redevelopment, acquisition and other tenant-related services for a portfolio of office and industrial properties. Brandywine Realty Trust owns its assets and conducts its operations through
Brandywine Operating Partnership, L.P. a Delaware limited partnership (the Operating Partnership) and subsidiaries of the Operating Partnership. Brandywine Realty Trust, the Operating Partnership and their consolidated subsidiaries are
collectively referred to below as the Company. The Companys common shares of beneficial interest are publicly traded on the New York Stock Exchange under the ticker symbol BDN.

As of September 30, 2009, the Company owned 213 office properties, 22 industrial facilities and three mixed-use properties (collectively, the
Properties) containing an aggregate of approximately 23.7 million net rentable square feet. The Company also has two properties under development and four properties under redevelopment containing an aggregate 2.0 million net
rentable square feet. As of September 30, 2009, the Company consolidates three office properties owned by real estate ventures containing 0.4 million net rentable square feet. Therefore, the Company owns and consolidates 247 properties
with an aggregate of 26.1 million net rentable square feet. In addition, as of September 30, 2009, the Company owned economic interests in 11 unconsolidated real estate ventures that contain approximately 4.2 million net rentable
square feet (collectively, the Real Estate Ventures). The Properties and the properties owned by the Real Estate Ventures are located in or near Philadelphia, Pennsylvania, Metropolitan Washington, D.C., Southern and Central New Jersey,
Richmond, Virginia, Wilmington, Delaware, Austin, Texas and Oakland, Carlsbad and Rancho Bernardo, California.

Brandywine Realty Trust is the
sole general partner of the Operating Partnership and, as of September 30, 2009, owned a 97.9% interest in the Operating Partnership. The Company conducts its third-party real estate management services business primarily through wholly-owned
management company subsidiaries.

As of September 30, 2009, the management company subsidiaries were managing properties containing an
aggregate of approximately 36.5 million net rentable square feet, of which approximately 25.8 million net rentable square feet related to Properties owned by the Company and approximately 10.7 million net rentable square feet related
to properties owned by third parties and Real Estate Ventures.

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The consolidated financial statements have been prepared by the Company pursuant to the rules and regulations of the U.S. Securities and Exchange Commission (SEC). Certain information and footnote disclosures normally included
in the financial statements prepared in accordance with accounting principles generally accepted in the United States of America have been condensed or omitted pursuant to such rules and regulations. In the opinion of management, all adjustments
(consisting solely of normal recurring matters) for a fair statement of the financial position of the Company as of September 30, 2009, the results of its operations for the nine-month periods ended September 30, 2009 and 2008 and its cash
flows for the nine-month periods ended September 30, 2009 and 2008 have been included. The results of operations for such interim periods are not necessarily indicative of the results for a full year. These consolidated financial statements
should be read in conjunction with the Companys consolidated financial statements and footnotes included in the Companys 2008 Annual Report on Form 10-K filed with the SEC on March 2, 2009.

Reclassifications and Revisions

Certain amounts have been reclassified in prior years to conform to the current year presentation. The reclassifications are primarily due to the treatment of sold or held for sale properties as
discontinued operations on the statement of operations for all periods presented and the adoption of new accounting pronouncements.



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##### Table of Contents

BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



See Accounting Pronouncements Adopted January 1, 2009 on a Retrospective Basis for
details pertaining to the changes to prior periods resulting from the adoption of new accounting pronouncements.

Principles of Consolidation

When the Company obtains an economic interest in an entity, the Company evaluates the
entity to determine if the entity is deemed a variable interest entity (VIE), and if the Company is deemed to be the primary beneficiary, in accordance with the accounting standard for the consolidation of variable interest entities.
When an entity is not deemed to be a VIE, the Company considers the provisions of the same accounting standard to determine whether a general partner, or the general partners as a group, controls a limited partnership or similar entity when the
limited partner have certain rights. The Company consolidates (i) entities that are VIEs and of which the Company is deemed to be the primary beneficiary and (ii) entities that are non-VIEs which the Company controls and the limited
partners neither have the ability to dissolve the entity or remove the Company without cause nor any substantive participating rights. Entities that the Company accounts for under the equity method (i.e., at cost, increased or decreased by the
Companys share of earnings or losses, plus contributions, less distributions) include (i) entities that are VIEs and of which the Company is not deemed to be the primary beneficiary (ii) entities that are non-VIEs which the Company
does not control, but over which the Company has the ability to exercise significant influence and (iii) entities that are non-VIEs that the Company controls through its general partner status, but the limited partners in the entity have
the substantive ability to dissolve the entity or remove the Company without cause or have substantive participating rights. The Company will reconsider its determination of whether an entity is a VIE and who the primary beneficiary is, and
whether or not the limited partners in an entity have substantive rights, if certain events occur that are likely to cause a change in the original determinations. The portion of these entities not owned by the Company is presented as
non-controlling interest as of and during the periods consolidated. All intercompany accounts and transactions have been eliminated in consolidation.

Use of Estimates

The preparation of financial statements in conformity with
accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date
of the financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates. Management makes significant estimates regarding revenue, valuation of real estate and
related intangible assets and liabilities, impairment of long-lived assets, allowance for doubtful accounts and deferred costs.

Operating Properties

Operating properties are carried at historical cost less accumulated depreciation and impairment
losses. The cost of operating properties reflects their purchase price or development cost. Costs incurred for the acquisition and renovation of an operating property are capitalized to the Companys investment in that property. Ordinary
repairs and maintenance are expensed as incurred; major replacements and betterments, which improve or extend the life of the asset, are capitalized and depreciated over their estimated useful lives. Fully-depreciated assets are removed from the
accounts.

Purchase Price Allocation

The Company allocates the purchase price of properties to net tangible and identified intangible assets acquired based on fair values. Above-market and below-market in-place lease values for acquired
properties are recorded based on the present value (using an interest rate which reflects the risks associated with the leases acquired) of the difference between (i) the contractual amounts to be paid pursuant to the in-place leases and
(ii) the Companys estimate of the fair market lease rates for the corresponding in-place leases, measured over a period equal to the remaining non-cancelable term of the lease (includes the below market fixed renewal period). Capitalized
above-market lease values are amortized as a reduction of rental income over the remaining non-cancelable terms of the respective leases. Capitalized below-market lease values are amortized as an increase to rental income over the remaining
non-cancelable terms of the respective leases, including any below market fixed-rate renewal periods.



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



Other intangible assets also include amounts representing the value of tenant relationships and in-place
leases based on the Companys evaluation of the specific characteristics of each tenants lease and the Companys overall relationship with the respective tenant. The Company estimates the cost to execute leases with terms similar to
the remaining lease terms of the in-place leases, including leasing commissions, legal and other related expenses. This intangible asset is amortized to expense over the remaining term of the respective leases. Company estimates of value are made
using methods similar to those used by independent appraisers or by using independent appraisals. Factors considered by the Company in this analysis include an estimate of the carrying costs during the expected lease-up periods considering current
market conditions and costs to execute similar leases. In estimating carrying costs, the Company includes real estate taxes, insurance and other operating expenses and estimates of lost rentals at market rates during the expected lease-up periods,
which primarily range from three to twelve months. The Company also considers information obtained about each property as a result of its pre-acquisition due diligence, marketing and leasing activities in estimating the fair value of the tangible
and intangible assets acquired. The Company also uses the information obtained as a result of its pre-acquisition due diligence as part of its consideration of the accounting standard governing asset retirement obligations and when necessary, will
record a conditional asset retirement obligation as part of its purchase price.

Characteristics considered by the Company in allocating value
to its tenant relationships include the nature and extent of the Companys business relationship with the tenant, growth prospects for developing new business with the tenant, the tenants credit quality and expectations of lease renewals,
among other factors. The value of tenant relationship intangibles is amortized over the remaining initial lease term and expected renewals, but in no event longer than the remaining depreciable life of the building. The value of in-place leases is
amortized over the remaining non-cancelable term of the respective leases and any fixed-rate renewal periods.

In the event that a tenant
terminates its lease, the unamortized portion of each intangible, including in-place lease values and tenant relationship values, would be charged to expense and market rate adjustments (above or below) would be recorded to revenue.

Impairment or Disposal of Long-Lived Assets

The accounting standard for property, plant and equipment provides a single accounting model for long-lived assets as held-for-sale, broadens the scope of businesses to be disposed of that qualify for
reporting as discontinued operations and changes the timing of recognizing losses on such operations.

The Company reviews long-lived assets
whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. The review of recoverability is based on an estimate of the future undiscounted cash flows (excluding interest charges) expected to
result from the long-lived assets use and eventual disposition. These cash flows consider factors such as expected future operating income, trends and prospects, as well as the effects of leasing demand, competition and other factors. If
impairment exists due to the inability to recover the carrying value of a long-lived asset, an impairment loss is recorded to the extent that the carrying value exceeds the estimated fair-value of the property. The Company is required to make
subjective assessments as to whether there are impairments in the values of the investments in long-lived assets. These assessments have a direct impact on its net income because recording an impairment loss results in an immediate negative
adjustment to net income. The evaluation of anticipated cash flows is highly subjective and is based in part on assumptions regarding future occupancy, rental rates and capital requirements that could differ materially from actual results in future
periods. Although the Companys strategy is generally to hold its properties over the long-term, the Company will dispose of properties to meet its liquidity needs or for other strategic needs. If the Companys strategy changes or market
conditions otherwise dictate an earlier sale date, an impairment loss may be recognized to reduce the property to the lower of the carrying amount or fair value less costs to sell, and such loss could be material. If the Company determines that
impairment has occurred and the assets are classified as held and used, the affected assets must be reduced to their fair-value.

Where
properties have been identified as having a potential for sale, additional judgments are required related to the determination as to the appropriate period over which the undiscounted cash flows should include the operating cash flows and the amount
included as the estimated residual value. Management determines the amounts to be included based on a probability weighted cash flow. This requires significant judgment. In some cases, the results of whether an impairment is indicated are sensitive
to changes in assumptions input into the estimates, including the hold period until expected sale.



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



For the nine month period ending September 30, 2009, the Company determined that one of its
properties, during testing for impairment under the held and used model, had a historical cost greater than the probability weighted undiscounted cash flows. Accordingly, the recorded amount was reduced to an amount based on managements
estimate of the current fair value. This property was sold in the second quarter. During the Companys impairment review for the three-month period ending September 30, 2009, it was determined that no additional impairment charges were
necessary.

Revenue Recognition

Rental revenue is recognized on the straight-line basis from the later of the date of the commencement of the lease or the date of acquisition of the property subject to existing leases, which averages
minimum rents over the terms of the leases. The straight-line rent adjustment increased revenue by approximately $2.1 million and $4.7 million for the three-and nine month periods ended September 30, 2009 and approximately $1.7 million and
$11.6 million for the three- and nine month periods ended September 30, 2008. Deferred rents on the balance sheet represent rental revenue received prior to their due dates and amounts paid by the tenant for certain improvements considered to
be landlord assets that will remain as the Companys property at the end of the tenants lease term. The amortization of the amounts paid by the tenant for such improvements is calculated on a straight-line basis over the term of the
tenants lease and is a component of straight-line rental income and increased revenue by $0.6 million and $2.1 million for the three-and nine month periods ended September 30, 2009 and $0.7 million and $2.1 million for the three-and nine
month periods ended September 30, 2008. Lease incentives, which are included as reductions of rental revenue in the accompanying consolidated statements of operations, are recognized on a straight-line basis over the term of the lease. Lease
incentives decreased revenue by $0.4 million and $0.8 million for the three-and nine month periods ended September 30, 2009 and $0.2 million and $0.6 million for the three-and nine month periods ended September 30, 2008.

Leases also typically provide for tenant reimbursement of a portion of common area maintenance and other operating expenses to the extent that a
tenants pro rata share of expenses exceeds a base year level set in the lease or to the extent that the tenant has a lease on a triple net basis. Termination fees received from tenants, bankruptcy settlement fees, third party management fees,
labor reimbursement and leasing income are recorded when earned.

Stock-Based Compensation Plans

The Company maintains a shareholder-approved equity-incentive plan known as the Amended and Restated 1997 Long-Term Incentive Plan (the 1997
Plan). The 1997 Plan is administered by the Compensation Committee of the Companys Board of Trustees. Under the 1997 Plan, the Compensation Committee is authorized to award equity and equity-based awards, including incentive stock
options, non-qualified stock options, restricted shares and performance-based shares. As of September 30, 2009, 1.8 million common shares remained available for future awards under the 1997 Plan. Through September 30, 2009, all
options awarded under the 1997 Plan had a one to ten-year term.

The Company incurred stock-based compensation expense of $1.0 million and
$3.3 million during the three-and nine month periods ended September 30, 2009, of which $0.2 million and $0.7 million, respectively, were capitalized as part of the Companys review of employee salaries eligible for capitalization. The
Company recognized stock-based compensation expense of $1.3 million and $4.0 million during the three-and nine month periods ended September 30, 2008, respectively. The expensed amounts are included in general and administrative expense on the
Companys consolidated income statement in the respective periods.

Accounting for Derivative Instruments and
Hedging Activities

The Company accounts for its derivative instruments and hedging activities in accordance with the accounting
standard for derivative and hedging activities. The accounting standard requires the Company to measure every derivative instrument (including certain derivative instruments embedded in other contracts) at fair value and record them in the balance
sheet as either an asset or liability. See disclosures below related to the Companys adoption of the accounting standard for fair value measurements and disclosures.



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



For derivatives designated as fair value hedges, the changes in fair value of both the derivative
instrument and the hedged item are recorded in earnings. For derivatives designated as cash flow hedges, the effective portions of changes in the fair value of the derivative are reported in other comprehensive income. During the three months ended
September 30, 2009, the Company recorded a $1.1 million fair value adjustment in its consolidated statements of operations related to two of its interest swaps in which the hedging relationship ceased due to the issuance of its unsecured notes
on September 25, 2009. The ineffective portions of hedges are recognized in earnings in the current period and during the three and nine months period ended September 30, 2009, the Company recognized $0.4 million and $0.7 million,
respectively for the ineffective portion of its forward starting swaps prior to the termination of the hedging relationship (See Note 9).

The
Company actively manages its ratio of fixed-to-floating rate debt. To manage its fixed and floating rate debt in a cost-effective manner, the Company, from time to time, enters into interest rate swap agreements as cash flow hedges, under which it
agrees to exchange various combinations of fixed and/or variable interest rates based on agreed upon notional amounts.

Fair Value Measurements

The Company adopted a newly issued accounting standard for fair value measurements and
disclosures. The new accounting standard defines fair value, establishes a framework for measuring fair value in GAAP and provides for expanded disclosure about fair value measurements. The accounting standard is applied prospectively and is applied
to all other accounting pronouncements that require or permit fair value measurements. The accounting standard was applied to the Companys outstanding derivatives and available-for-sale-securities effective January 1, 2008 and to all
non-financial assets and non-financial liabilities effective January 1, 2009.

The accounting standard for fair value measurements and
disclosures defines fair value as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market
participants on the measurement date. It also establishes a fair value hierarchy which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The standard describes three
levels of inputs that may be used to measure fair value. Financial assets and liabilities recorded on the Consolidated Balance Sheets are categorized based on the inputs to the valuation techniques as follows:

Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities that the Company has the ability to access. Level 2
inputs are inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs may include quoted prices for similar assets and liabilities in active markets, as well as
inputs that are observable for the asset or liability (other than quoted prices), such as interest rates, foreign exchange rates, and yield curves that are observable at commonly quoted intervals. Level 3 inputs are unobservable inputs for the asset
or liability, which is typically based on an entitys own assumptions, as there is little, if any, related market activity or information. In instances where the determination of the fair value measurement is based on inputs from different
levels of the fair value hierarchy, the level in the fair value hierarchy within which the entire fair value measurement falls is based on the lowest level input that is significant to the fair value measurement in its entirety. The Companys
assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to the asset or liability.



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



The following table sets forth the Companys financial assets and liabilities that were accounted
for at fair value on a recurring basis as of September 30, 2009:



|                              |  |                                                 |        |                                                             |   |                                             |  |                             |        |  |   |  
|----------------------------- |  | ----------------------------------------------- | ------ | ----------------------------------------------------------- | - | ------------------------------------------- |  | --------------------------- | ------ |  | - | -
|                              |  | Fair Value Measurements at ReportingDate Using:
|Description                   |  | September 30,2009                               |        | Quoted Prices inActive Markets forIdentical Assets(Level 1) |   | Significant OtherObservable Inputs(Level 2) |  | UnobservableInputs(Level 3)
|                              |  |                                                 |        |                                                            
|Recurring                     |  |                                                 |        |                                                             |   |                                             |  |                             |        |  |   |  
|Assets:                       |  |                                                 |        |                                                             |   |                                             |  |                             |        |  |   |  
|Available-for-Sale Securities |  | $                                               | 420    |                                                             | $ | 420                                         |  | $                           |       |  | $ | 
|                              |  |                                                 |        |                                                            
|Liabilities:                  |  |                                                 |        |                                                             |   |                                             |  |                             |        |  |   |  
|Interest Rate Swaps           |  | $                                               | 14,012 |                                                             | $ |                                            |  | $                           | 14,012 |  | $ | 

The following table sets forth the Companys financial assets and liabilities that were
accounted for at fair value on a recurring basis as of December 31, 2008:



|                                     |  |                                                 |        |                                                             |   |                                             |  |                             |        |  |   |  
|------------------------------------ |  | ----------------------------------------------- | ------ | ----------------------------------------------------------- | - | ------------------------------------------- |  | --------------------------- | ------ |  | - | -
|                                     |  | Fair Value Measurements at ReportingDate Using:
|Description                          |  | December 31,2008                                |        | Quoted Prices inActive Markets forIdentical Assets(Level 1) |   | Significant OtherObservable Inputs(Level 2) |  | UnobservableInputs(Level 3)
|                                     |  |                                                 |        |                                                            
|Assets:                              |  |                                                 |        |                                                             |   |                                             |  |                             |        |  |   |  
|Available-for-Sale Securities        |  | $                                               | 423    |                                                             | $ | 423                                         |  | $                           |       |  | $ | 
|                                     |  |                                                 |        |                                                            
|Liabilities:                         |  |                                                 |        |                                                             |   |                                             |  |                             |        |  |   |  
|Interest Rate Swaps                  |  | $                                               | 10,985 |                                                             | $ |                                            |  | $                           | 10,985 |  | $ | 
|Forward Starting Interest Rate Swaps |  |                                                 | 7,481  |                                                             |   |                                            |  |                             | 7,481  |  |   | 
|                                     |  |                                                 |        |                                                             |   |                                             |  |                             |        |  |   |  
|                                     |  | $                                               | 18,466 |                                                             | $ |                                            |  | $                           | 18,466 |  | $ | 

The adoption of the accounting standard for fair value measurements and disclosures did not have a
material impact on the Companys financial and non-financial assets and liabilities. Non-financial assets and liabilities recorded at fair value on a non-recurring basis to which the Company would apply the accounting standard where a
measurement was required under fair value would include:



| |  |  | Non-financial assets and liabilities initially measured at fair value in an acquisition or business combination that are not remeasured at least
annually at fair value,
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Long-lived assets measured at fair value due to an impairment in accordance with the accounting standard for the impairment or disposal of long-lived
assets and
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Asset retirement obligations initially measured at fair value under the accounting standard for asset retirement obligations.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------

There were no items that were accounted for at fair value on a non-recurring basis during the third quarter of 2009.

Income Taxes

Brandywine Realty Trust has elected to be treated as a REIT under Sections 856 through 860 of the Internal Revenue Code of 1986, as amended (the Code). In order to continue to qualify as a REIT, Brandywine Realty Trust is
required to, among other things, distribute at least 90% of its annual REIT taxable income to its stockholders and meet certain tests regarding the nature of its income and assets. As a REIT, Brandywine Realty Trust is not subject to federal
and state income taxes with respect to the portion of its income that meets certain criteria and is distributed annually to its stockholders. Accordingly, no provision for federal and state



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



income taxes is included in the accompanying consolidated financial statements with respect to the operations of Brandywine Realty Trust. Brandywine Realty Trust intends to continue to
operate in a manner that allows it to meet the requirements for taxation as a REIT. If Brandywine Realty Trust fails to qualify as a REIT in any taxable year, Brandywine Realty Trust will be subject to federal and state income taxes and may not
be able to qualify as a REIT for the four subsequent tax years. Brandywine Realty Trust is subject to certain local income taxes. Provision for such taxes has been included in general and administrative expenses in Brandywine Realty
Trusts Consolidated Statements of Operations and Comprehensive Income.

Brandywine Realty Trust has elected to treat several of its
subsidiaries as REITs under Sections 856 through 860 of the Code. As a result, each subsidiary REIT generally is not subject to federal and state income taxation at the corporate level to the extent it distributes annually at least 100% of its REIT
taxable income to its stockholders and satisfies certain other organizational and operational requirements. Each subsidiary REIT has met these requirements and, accordingly, no provision has been made for federal and state income taxes in the
accompanying consolidated financial statements. If any subsidiary REIT fails to qualify as a REIT in any taxable year, that subsidiary REIT will be subject to federal and state income taxes and may not be able to qualify as a REIT for the four
subsequent taxable years. In addition, this may adversely impact Brandywine Realty Trusts ability to qualify as a REIT. Also, each subsidiary REIT may be subject to local income taxes.

Brandywine Realty Trust has elected to treat several of its subsidiaries as taxable REIT subsidiaries (each a TRS). A TRS is subject to federal,
state and local income tax. In general, a TRS may perform additional non-customary services for tenants and generally may engage in any real estate or non-real estate related businesses that are not permitted REIT activities.

Accounting Pronouncements Adopted January 1, 2009 on a Retrospective Basis

Effective January 1, 2009, the Company adopted a newly issued accounting standard for convertible debt instruments. The new accounting standard requires
the initial proceeds from convertible debt that may be settled in cash to be bifurcated between a liability component and an equity component. The objective of the guidance is to require the liability and equity components of convertible debt to be
separately accounted for in a manner such that the interest expense recorded on the convertible debt would not equal the contractual rate of interest on the convertible debt, but instead would be recorded at a rate that would reflect the
issuers conventional debt borrowing rate. This is accomplished through the creation of a discount on the debt that would be accreted using the effective interest method as additional non-cash interest expense over the period the debt is
expected to remain outstanding (i.e. through the first optional redemption date). The provisions of the new accounting standard were adopted on January 1, 2009 and applied retrospectively.

The new accounting standard for convertible debt instruments impacted the Companys accounting for its 3.875% Exchangeable Notes and has a material
impact on the Companys consolidated financial statements and results of operations. The principal amount outstanding is $159.5 million at September 30, 2009 and $282.3 million at December 31, 2008 (see Note 7). At certain times and
upon certain events, the notes are exchangeable for cash up to their principal amount and, with respect to the remainder, if any, of the exchange value in excess of such principal amount, cash or common shares. The initial exchange rate is 25.4065
shares per $1,000 principal amount of notes (which is equivalent to an initial exchange price of $39.36 per share). The carrying amount of the equity component is $24.4 million. The unamortized debt discount is $6.2 million at September 30,
2009 and $12.2 million at December 31, 2008 and will be amortized through October 15, 2011. The effective interest rate at September 30, 2009 and 2008 was 5.5%. The Company recognized $1.9 million and $7.3 million of contractual
coupon interest during the three-and nine-month periods ended September 30, 2009 and $3.0 million and $9.3 million for the three-and nine-month periods ended September 30, 2008, respectively. In addition, the Company recognized $0.9
million and $2.6 million of interest on amortization of the debt discount, during the three and nine month periods ended September 30, 2009 and $1.1 million and $3.3 million for the three-and nine-month periods ended September 30, 2008.
The application of the accounting standard for convertible debt resulted in an aggregate of approximately $3.9 million (net of incremental capitalized interest) of additional non-cash interest expense retrospectively applied for the year ended
December 31, 2008. Excluding the impact of capitalized interest, the additional non-cash interest expense was approximately $4.3 million for the year ended December 31, 2008. The application of the new accounting standard required the
Company to reduce the amount of gain recognized on early extinguishment of debt for the year ended December 31, 2008 by approximately $2.6 million.



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##### Table of Contents

BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



Accordingly, in accordance with the Companys retrospective adoption of the accounting standard,
the December 31, 2008 balance sheet herein has been revised as follows:



|                                 |  |             |           |            |   |         |            |  |   |          
|-------------------------------- |  | ----------- | --------- | ---------- | - | ------- | ---------- |  | - | ---------
|                                 |  | As Reported |           | Adjustment |   |         | As Revised
|                                 |  |             |          
|Construction-in-progress         |  | $           | 121,402   |            | $ | 817     |            |  | $ | 122,219  
|                                 |  |             |          
|Deferred costs, net              |  |             | 89,866    |            |   | (539    | )          |  |   | 89,327   
|                                 |  |             |          
|Unsecured bonds, net of discount |  |             | 1,930,147 |            |   | (12,177 | )          |  |   | 1,917,970
|                                 |  |             |          
|Additional paid-in capital       |  |             | 2,327,617 |            |   | 23,811  |            |  |   | 2,351,428
|                                 |  |             |          
|Cumulative earnings              |  |             | 509,834   |            |   | (11,118 | )          |  |   | 498,716  
|                                 |  |             |          
|Non-controlling interests        |  |             | 53,199    |            |   | (238    | )          |  |   | 52,961   
|                                 |  |             |          
|Total equity                     |  | $           | 1,710,043 |            | $ | 12,455  |            |  | $ | 1,722,498

Effective January 1, 2009, the Company adopted a newly issued accounting standard related to
whether instruments granted in share-based payment transactions are participating securities. This new standard requires that non-vested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents be treated
as participating securities in the computation of earnings per share pursuant to the two-class method. The accounting standard was applied retrospectively to all periods presented. The accounting standard required the Company to include the impact
of its unvested restricted shares in earnings per share using this more dilutive methodology. The face of the Companys consolidated statement of operations and earnings per share disclosure (See Note 11) has been updated to reflect the
adoption of this accounting standard and are presented as amounts allocated to unvested restricted shareholders. The adoption of the new accounting standard did not have a material impact on the Companys consolidated financial position or
results of operations.

Effective January 1, 2009, the Company adopted a newly issued accounting standard for non-controlling interests.
In accordance with this accounting standard, non-controlling interests are presented as a component of consolidated shareholders equity unless these interests are considered redeemable. Also, under this standard, net income will encompass the
total income of all consolidated subsidiaries and there will be separate disclosure on the face of the income statement of the attribution of that income between controlling and non-controlling interests. Lastly, increases and decreases in
non-controlling interests will be treated as equity transactions. The face of the Companys consolidated balance sheet, statement of operations and statements of other comprehensive income has been updated to reflect the adoption of this
accounting standard. The adoption of this accounting standard did not have material impact on the Companys financial position or results of operations. As a result of the Companys adoption of this standard, amounts reported prior to
adoption as minority interests in consolidated real estate ventures on its balance sheets are now presented as non-controlling interests within equity. There has been no change in the measurement of this line item from amounts previously reported
other than those discussed above relating to the adoption of the new accounting standard on convertible debt instruments. During the nine months ended September 30, 2009, the Company allocated $0.5 million to non-controlling interests, which
relates to the accumulated other comprehensive income balance as of December 31, 2008 attributable to the non-controlling interests. The Company determined the out of period adjustment was not material to prior periods or to the current period.



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



Accounting Pronouncements Adopted During 2009 on a Prospective Basis

In June 2009, the Financial Accounting Standards Board (FASB) issued the FASB Accounting Standards Codification (Codification). The
Codification became the single source for all authoritative GAAP recognized by the FASB to be applied for financial statements issued for periods ending after September 15, 2009. The Codification is not expected to change GAAP and will not have
an effect on the Companys consolidated financial position or results of operations.

In May 2009, the FASB issued a new accounting
standard for subsequent events reporting. The new accounting standard established principles and requirements for evaluating and reporting subsequent events and distinguishes which subsequent events should be recognized in the financial statements
versus which subsequent events should be disclosed in the financial statements. The accounting standard also requires disclosure of the date through which subsequent events are evaluated by management (see Note 17). The Companys adoption of
the new standard did not have a material impact on its consolidated financial position or results of operations.

In April 2009, the FASB
issued an amendment to the disclosure requirements about fair value instruments. The amendment require disclosures about fair value of financial instruments for interim reporting periods of publicly traded companies in addition to the annual
financial statements. It also requires those disclosures in summarized financial information at interim reporting periods. The amendment is effective for interim periods ending after June 15, 2009. Prior period presentation is not required for
comparative purposes at initial adoption.

In April 2009, the FASB issued a new accounting standard for determining fair value when the volume
and level of activity for financial and non-financial assets or liabilities have significantly decreased and for identifying transactions that are not orderly. The new accounting standard is effective for fiscal years and interim periods ending
after June 15, 2009 and shall be applied prospectively. The Companys adoption of the new standard did not have a material impact on its consolidated financial position or results of operations.

In April 2009, the FASB issued amendments to the recognition and presentation requirements of other-than-temporary impairments to make the guidance in U.S.
GAAP for debt securities more operational and to improve the presentation and disclosure of other-than temporary impairments on debt and equity securities in the financial statements. The amendments are effective for fiscal years and interim periods
ending after June 15, 2009. The Companys adoption of these amendments did not have a material impact on its consolidated financial position or results of operations.

Effective January 1, 2009, the Company adopted the FASB issued accounting standard for disclosures about derivative instruments and hedging activities. This new standard enhances disclosure
requirements for derivative instruments in order to provide users of financial statements with an enhanced understanding of (i) how and why an entity uses derivative instruments, (ii) how derivative instruments and related hedged items are
accounted for under the accounting standard for derivative instruments and hedging activities and (iii) how derivative instruments and related hedged items affect an entitys financial position, financial performance, and cash flows. The
new accounting standard is to be applied prospectively for the first annual reporting period beginning on or after November 15, 2008. See Note 9 for further discussion.

In April 2008, the FASB issued a new accounting standard for the proper determination of the useful life of intangible assets. The new accounting standard is to be applied prospectively for fiscal years
beginning after December 15, 2008. The Company has not entered into any acquisition transactions during the nine months ended September 30, 2009, therefore the adoption of this accounting standard did not have a material impact on the
Companys consolidated financial statements.

New Pronouncements

In June 2009, the FASB issued an amendment to the accounting and disclosure requirements for transfers of financial assets. This amendment requires greater
transparency and additional disclosures for transfers of financial assets and the entitys continuing involvement with them and changes the requirements for derecognizing financial assets. In addition, this amendment eliminates the concept of a
qualifying special-purpose entity (QSPE). This amendment is effective for fiscal years beginning after November 15, 2009. The Company is currently evaluating the impact of adopting this amendment on its consolidated financial position or
results of operations.



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



In June 2009, the FASB also issued an amendment to the accounting and disclosure requirements for the
consolidation of variable interest entities (VIEs). The elimination of the concept of a QSPE, as discussed above, removes the exception from applying the consolidation guidance within this amendment. This amendment requires an enterprise to perform
a qualitative analysis when determining whether or not it must consolidate a VIE. The amendment also requires an enterprise to continuously reassess whether it must consolidate a VIE. Additionally, the amendment requires enhanced disclosures about
an enterprises involvement with VIEs and any significant change in risk exposure due to that involvement, as well as how its involvement with VIEs impacts the enterprises financial statements. Finally, an enterprise will be required to
disclose significant judgments and assumptions used to determine whether or not to consolidate a VIE. This amendment is effective for fiscal years beginning after November 15, 2009. The Company is currently evaluating the impact of adopting
this amendment on its consolidated financial position or results of operations.

3. REAL ESTATE INVESTMENTS

As of September 30, 2009 and December 31, 2008 the gross carrying value of the Companys operating properties was as follows (amounts in
thousands):



|                          |  |                    |           |                   |   |          
|------------------------- |  | ------------------ | --------- | ----------------- | - | ---------
|                          |  | September 30, 2009 |           | December 31, 2008
|Land                      |  | $                  | 690,442   |                   | $ | 707,591  
|Building and improvements |  |                    | 3,390,344 |                   |   | 3,481,289
|Tenant improvements       |  |                    | 432,592   |                   |   | 419,440  
|                          |  |                    |           |                   |   |          
|                          |  | $                  | 4,513,378 |                   | $ | 4,608,320
|                          |  |                    |           |                   |   |          

Acquisitions and Dispositions

The Company did not complete any acquisitions during the periods covered in these financial statements.

On April 29, 2009, the Company sold 7735 Old Georgetown Road, a 122,543 net rentable square feet office property located in Bethesda, Maryland, for a
sales price of $26.5 million.

On March 16, 2009, the Company sold 305 Harper Drive, a 14,980 net rentable square feet office property
located in Moorestown, New Jersey, for a sales price of $1.1 million.

On February 4, 2009, the Company sold two office properties,
totaling 66,664 net rentable square feet in Exton, Pennsylvania, for an aggregate sales price of $9.0 million.

All sales presented above and
three properties included as held for sale assets (see Note 10) are included within discontinued operations.

4. INVESTMENT IN
UNCONSOLIDATED VENTURES

As of September 30, 2009, the Company had an aggregate investment of approximately $75.9 million in its 11
actively operating unconsolidated Real Estate Ventures. The Company formed these ventures with unaffiliated third parties, or acquired them, to develop office properties or to acquire land in anticipation of possible development of office
properties. Ten of the Real Estate Ventures own 45 office buildings that contain an aggregate of approximately 4.3 million net rentable square feet and one Real Estate Venture developed a hotel property that contains 137 rooms in Conshohocken,
PA.



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



The Company accounts for its unconsolidated interests in its Real Estate Ventures using the equity
method. The Companys unconsolidated interests range from 3% to 50%, subject to specified priority allocations of distributable cash in certain of the Real Estate Ventures.

The amounts reflected in the following tables (except for the Companys share of equity and income) are based on the historical financial information of the individual Real Estate Ventures. One of
the Real Estate Ventures, acquired in connection with the Prentiss Properties Trust merger in 2006, had a negative equity balance on a historical cost basis as a result of historical depreciation and distribution of excess financing proceeds. The
Company reflected its acquisition of this Real Estate Venture interest at its relative fair value as of the date of the purchase of Prentiss. The difference between allocated cost and the underlying equity in the net assets of the investee is
accounted for as if the entity were consolidated (i.e., allocated to the Companys relative share of assets and liabilities with an adjustment to recognize equity in earnings for the appropriate additional depreciation/amortization). The
Company does not record operating losses of the Real Estate Ventures in excess of its investment balance unless the Company is liable for the obligations of the Real Estate Venture or is otherwise committed to provide financial support to the Real
Estate Venture.

The following is a summary of the financial position of the Real Estate Ventures as of September 30, 2009 and
December 31, 2008 (in thousands):



|                                            |  |                   |         |                  |   |        
|------------------------------------------- |  | ----------------- | ------- | ---------------- | - | -------
|                                            |  | September 30,2009 |         | December 31,2008
|Net property                                |  | $                 | 546,557 |                  | $ | 554,424
|Other assets                                |  |                   | 88,291  |                  |   | 96,278 
|Other Liabilities                           |  |                   | 36,738  |                  |   | 39,388 
|Debt                                        |  |                   | 473,136 |                  |   | 514,308
|Equity                                      |  |                   | 124,974 |                  |   | 97,006 
|Companys share of equity (Companys basis) |  |                   | 75,929  |                  |   | 71,028 

The following is a summary of results of operations of the Real Estate Ventures for the three-month
and nine-month periods ended September 30, 2009 and 2008 (in thousands):



|                                          |  |                                        |        |      |                                       |        |      |  |      |        |  |   |        |  
|----------------------------------------- |  | -------------------------------------- | ------ | ---- | ------------------------------------- | ------ | ---- |  | ---- | ------ |  | - | ------ | -
|                                          |  | Three-month periodsended September 30, |        |      | Nine-month periodsended September 30, |       
|                                          |  | 2009                                   |        | 2008 |                                       |        | 2009 |  | 2008 |       
|Revenue                                   |  | $                                      | 24,228 |      | $                                     | 27,358 |      |  | $    | 77,917 |  | $ | 80,254 |  
|Operating expenses                        |  |                                        | 7,725  |      |                                       | 10,931 |      |  |      | 26,401 |  |   | 28,727 |  
|Interest expense, net                     |  |                                        | 8,186  |      |                                       | 8,042  |      |  |      | 22,183 |  |   | 23,795 |  
|Depreciation and amortization             |  |                                        | 7,698  |      |                                       | 9,794  |      |  |      | 25,379 |  |   | 28,418 |  
|Net income (loss)                         |  |                                        | 619    |      |                                       | (1,409 | )    |  |      | 3,954  |  |   | (686   | )
|Companys share of income (Company basis) |  |                                        | 1,331  |      |                                       | 1,059  |      |  |      | 3,450  |  |   | 3,838  |  

As of September 30, 2009, the Company had guaranteed repayment of approximately $2.1 million of
loans on behalf of certain Real Estate Ventures. The Company also provides customary environmental indemnities in connection with construction and permanent financing both for its own account and on behalf of its Real Estate Ventures.



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



5. DEFERRED COSTS

As of September 30, 2009 and December 31, 2008, the Companys deferred costs were comprised of the following (in thousands):



|                |  |                    |         |                         |   |         |                    |  |   |        
|--------------- |  | ------------------ | ------- | ----------------------- | - | ------- | ------------------ |  | - | -------
|                |  | September 30, 2009
|                |  | Total Cost         |         | AccumulatedAmortization |   |         | Deferred Costs,net
|Leasing Costs   |  | $                  | 124,342 |                         | $ | (48,061 | )                  |  | $ | 76,281 
|Financing Costs |  |                    | 44,702  |                         |   | (11,480 | )                  |  |   | 33,222 
|                |  |                    |         |                         |   |         |                    |  |   |        
|Total           |  | $                  | 169,044 |                         | $ | (59,541 | )                  |  | $ | 109,503
|                |  |                    |         |                         |   |         |                    |  |   |        
|                | 
|                |  | December 31, 2008 
|                |  | Total Cost         |         | AccumulatedAmortization |   |         | Deferred Costs,net
|Leasing Costs   |  | $                  | 115,262 |                         | $ | (39,528 | )                  |  | $ | 75,734 
|Financing Costs |  |                    | 25,170  |                         |   | (11,577 | )                  |  |   | 13,593 
|                |  |                    |         |                         |   |         |                    |  |   |        
|Total           |  | $                  | 140,432 |                         | $ | (51,105 | )                  |  | $ | 89,327 
|                |  |                    |         |                         |   |         |                    |  |   |        

6. INTANGIBLE ASSETS

As of September 30, 2009 and December 31, 2008, the Companys intangible assets were comprised of the following (in thousands):



|                             |  |                    |         |                         |   |          |                       |  |   |        
|---------------------------- |  | ------------------ | ------- | ----------------------- | - | -------- | --------------------- |  | - | -------
|                             |  | September 30, 2009
|                             |  | Total Cost         |         | AccumulatedAmortization |   |          | Intangible Assets,net
|In-place lease value         |  | $                  | 126,392 |                         | $ | (69,458  | )                     |  | $ | 56,934 
|Tenant relationship value    |  |                    | 99,111  |                         |   | (47,600  | )                     |  |   | 51,511 
|Above market leases acquired |  |                    | 16,829  |                         |   | (11,194  | )                     |  |   | 5,635  
|                             |  |                    |         |                         |   |          |                       |  |   |        
|Total                        |  | $                  | 242,332 |                         | $ | (128,252 | )                     |  | $ | 114,080
|                             |  |                    |         |                         |   |          |                       |  |   |        
|                             |  |                    |        
|Below market leases acquired |  | $                  | 77,707  |                         | $ | (38,068  | )                     |  | $ | 39,639 
|                             |  |                    |         |                         |   |          |                       |  |   |        
|                             | 
|                             |  | December 31, 2008 
|                             |  | Total Cost         |         | AccumulatedAmortization |   |          | Intangible Assets,net
|In-place lease value         |  | $                  | 145,518 |                         | $ | (71,138  | )                     |  | $ | 74,380 
|Tenant relationship value    |  |                    | 103,485 |                         |   | (40,835  | )                     |  |   | 62,650 
|Above market leases acquired |  |                    | 23,351  |                         |   | (14,624  | )                     |  |   | 8,727  
|                             |  |                    |         |                         |   |          |                       |  |   |        
|Total                        |  | $                  | 272,354 |                         | $ | (126,597 | )                     |  | $ | 145,757
|                             |  |                    |         |                         |   |          |                       |  |   |        
|                             |  |                    |        
|Below market leases acquired |  | $                  | 82,950  |                         | $ | (35,324  | )                     |  | $ | 47,626 
|                             |  |                    |         |                         |   |          |                       |  |   |        



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



As of September 30, 2009, the Companys annual amortization for its intangible
assets/liabilities is as follows (in thousands, and assuming no early lease terminations):



|           |  |        |         |             |   |       
|---------- |  | ------ | ------- | ----------- | - | ------
|           |  | Assets |         | Liabilities
|2009       |  | $      | 8,404   |             | $ | 2,379 
|2010       |  |        | 29,499  |             |   | 8,345 
|2011       |  |        | 22,772  |             |   | 7,051 
|2012       |  |        | 17,430  |             |   | 6,314 
|2013       |  |        | 12,636  |             |   | 5,874 
|Thereafter |  |        | 23,339  |             |   | 9,676 
|           |  |        |         |             |   |       
|Total      |  | $      | 114,080 |             | $ | 39,639
|           |  |        |         |             |   |       

7. DEBT OBLIGATIONS

The following table sets forth information regarding the Companys debt obligations outstanding at September 30, 2009 and December 31, 2008 (in thousands):



|                                                      |  |                   |           |   |                  |   |           |               |  |               |              |  |        |    
|----------------------------------------------------- |  | ----------------- | --------- | - | ---------------- | - | --------- | ------------- |  | ------------- | ------------ |  | ------ | ---
|                                                      |  | September 30,2009 |           |   | December 31,2008 |   |           | Interest Rate |  |               | MaturityDate | 
|MORTGAGE DEBT:                                        |  |                   |           |   |                  |   |           |               |  |               |              |  |        |    
|200 Commerce Drive                                    |  | $                 |          |   |                  | $ | 5,684     |               |  | 7.12          | % (a)        |  | Jan-10 |    
|Plymouth Meeting Exec.                                |  |                   | 42,234    |   |                  |   | 42,785    |               |  | 7.00          | % (b)        |  | Dec-10 |    
|Four Tower Bridge                                     |  |                   | 10,243    |   |                  |   | 10,404    |               |  | 6.62          | %            |  | Feb-11 |    
|Arboretum I, II, III & V                              |  |                   | 21,203    |   |                  |   | 21,657    |               |  | 7.59          | %            |  | Jul-11 |    
|Midlantic Drive/Lenox Drive/DCC I                     |  |                   | 58,619    |   |                  |   | 59,784    |               |  | 8.05          | %            |  | Oct-11 |    
|Research Office Center                                |  |                   | 40,203    |   |                  |   | 40,791    |               |  | 5.30          | % (b)        |  | Oct-11 |    
|Concord Airport Plaza                                 |  |                   | 35,857    |   |                  |   | 36,617    |               |  | 5.55          | % (b)        |  | Jan-12 |    
|Six Tower Bridge                                      |  |                   | 13,774    |   |                  |   | 14,185    |               |  | 7.79          | %            |  | Aug-12 |    
|Newtown Square/Berwyn Park/Libertyview                |  |                   | 59,899    |   |                  |   | 60,910    |               |  | 7.25          | %            |  | May-13 |    
|Coppell Associates                                    |  |                   | 2,856     |   |                  |   | 3,273     |               |  | 6.89          | %            |  | Dec-13 |    
|Southpoint III                                        |  |                   | 3,412     |   |                  |   | 3,863     |               |  | 7.75          | %            |  | Apr-14 |    
|Tysons Corner                                         |  |                   | 98,434    |   |                  |   | 99,529    |               |  | 5.36          | % (b)        |  | Aug-15 |    
|Coppell Associates                                    |  |                   | 16,600    |   |                  |   | 16,600    |               |  | 5.75          | %            |  | Feb-16 |    
|Two Logan Square                                      |  |                   | 89,800    |   |                  |   | 68,808    |               |  | 7.57          | % (c)        |  | Apr-16 |    
|One Logan Square                                      |  |                   | 60,000    |   |                  |   |          |               |  | 4.50          | % (d)        |  | Jul-16 |    
|                                                      |  |                   |           |   |                  |   |           |               |  |               |              |  |        |    
|Principal balance outstanding                         |  |                   | 553,134   |   |                  |   | 484,890   |               |  |               |              |  |        |    
|Plus: unamortized fixed-rate debt premiums, net       |  |                   | 1,482     |   |                  |   | 2,635     |               |  |               |              |  |        |    
|                                                      |  |                   |           |   |                  |   |           |               |  |               |              |  |        |    
|Total mortgage indebtedness                           |  | $                 | 554,616   |   |                  | $ | 487,525   |               |  |               |              |  |        |    
|                                                      |  |                   |           |   |                  |   |           |               |  |               |              |  |        |    
|                                                      |  |                   |           |  
|UNSECURED DEBT:                                       |  |                   |           |   |                  |   |           |               |  |               |              |  |        |    
|$275.0M 4.500% Guaranteed Notes due 2009              |  |                   | 102,550   |   |                  |   | 196,680   |               |  | 4.62          | %            |  | Nov-09 | (e)
|Bank Term Loan                                        |  |                   | 183,000   |   |                  |   | 183,000   |               |  | LIBOR + 0.80  | %            |  | Oct-10 | (f)
|$300.0M 5.625% Guaranteed Notes due 2010              |  |                   | 210,546   |   |                  |   | 275,545   |               |  | 5.61          | %            |  | Dec-10 |    
|Credit Facility                                       |  |                   |          |   |                  |   | 153,000   |               |  | LIBOR + 0.725 | %            |  | Jun-11 | (f)
|$320.7M 3.875% Guaranteed Exchangeable Notes due 2026 |  |                   | 159,540   |   |                  |   | 282,030   |               |  | 5.50          | %            |  | Oct-11 |    
|$300.0M 5.750% Guaranteed Notes due 2012              |  |                   | 187,825   |   |                  |   | 300,000   |               |  | 5.77          | %            |  | Apr-12 |    
|$250.0M 5.400% Guaranteed Notes due 2014              |  |                   | 242,681   |   |                  |   | 250,000   |               |  | 5.53          | %            |  | Nov-14 |    
|$250.0M 7.500% Guaranteed Notes due 2015              |  |                   | 250,000   |   |                  |   |          |               |  | 7.75          | %            |  | May-15 |    
|$250.0M 6.000% Guaranteed Notes due 2016              |  |                   | 250,000   |   |                  |   | 250,000   |               |  | 5.95          | %            |  | Apr-16 |    
|$300.0M 5.700% Guaranteed Notes due 2017              |  |                   | 300,000   |   |                  |   | 300,000   |               |  | 5.75          | %            |  | May-17 |    
|Indenture IA (Preferred Trust I)                      |  |                   | 27,062    |   |                  |   | 27,062    |               |  | LIBOR + 1.25  | %            |  | Mar-35 |    
|Indenture IB (Preferred Trust I)                      |  |                   | 25,774    |   |                  |   | 25,774    |               |  | LIBOR + 1.25  | %            |  | Apr-35 |    
|Indenture II (Preferred Trust II)                     |  |                   | 25,774    |   |                  |   | 25,774    |               |  | LIBOR + 1.25  | %            |  | Jul-35 |    
|                                                      |  |                   |           |   |                  |   |           |               |  |               |              |  |        |    
|Principal balance outstanding                         |  |                   | 1,964,752 |   |                  |   | 2,268,865 |               |  |               |              |  |        |    
|Less: unamortized exchangeable debt discount          |  |                   | (6,243    | ) |                  |   | (12,177   | )             |  |               |              |  |        |    
|unamortized fixed-rate debt discounts, net            |  |                   | (3,606    | ) |                  |   | (2,718    | )             |  |               |              |  |        |    
|                                                      |  |                   |           |   |                  |   |           |               |  |               |              |  |        |    
|Total unsecured indebtedness                          |  | $                 | 1,954,903 |   |                  | $ | 2,253,970 |               |  |               |              |  |        |    
|                                                      |  |                   |           |   |                  |   |           |               |  |               |              |  |        |    
|Total Debt Obligations                                |  | $                 | 2,509,519 |   |                  | $ | 2,741,495 |               |  |               |              |  |        |    
|                                                      |  |                   |           |   |                  |   |           |               |  |               |              |  |        |    



|(a) | On September 30, 2009, the Company pre-paid the remaining balance of the mortgage debt with no penalty.
|--- | -------------------------------------------------------------------------------------------------------

|(b) | Loans were assumed upon acquisition of the related property. Interest rates presented above reflect the market rate at the time of acquisition.
|--- | -----------------------------------------------------------------------------------------------------------------------------------------------



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



|(c) | The Two Logan Square mortgage loan was re-financed in the amount of $89.8 million on April 1, 2009. The new loan bears interest at 7.57% per annum and has a
seven year term with three years of interest only payments followed by a thirty year amortization schedule.
|--- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|(d) | The Company obtained a mortgage on a previously unencumbered property during the third quarter 2009. The loan features a floating rate of LIBOR plus 350 basis points
(subject to a LIBOR floor) and a seven-year term with three years interest only followed by a thirty-year amortization schedule at a 7.5% constant.
|--- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|(e) | On November 2, 2009, the Company paid off the loan at maturity.
|--- | ---------------------------------------------------------------

|(f) | These loans may be extended to June 29, 2012 at the Companys discretion.
|--- | -------------------------------------------------------------------------

On September 25, 2009, the Company closed a registered offering of $250.0 million in aggregate principal amount of its 7.50% senior unsecured notes due 2015. The notes were priced at 99.412% of their
face amount with a yield to maturity of 7.625%, representing a spread at the time of pricing of 5.162% to the yield on the August 2014 Treasury note. The notes have been reflected net of discount of $1.5 million in the consolidated balance sheet as
of September 30, 2009. The net proceeds which amounted to $247.0 million after deducting underwriting discounts and offering expenses were used to repay the Companys indebtedness under its unsecured revolving credit facility and for
general corporate purposes.

On July 8, 2009, the Company closed a $60.0 million first mortgage on One Logan Square, a 594,361 square
foot office property located in Philadelphia, Pennsylvania. This loan accrues interest at a rate of LIBOR plus 3.5% with a minimum LIBOR rate of 1% over a seven-year term with three years of interest only payments and interest and principal payments
based on a thirty-year amortization schedule for the remaining four years. The loan proceeds were used for general corporate purposes including repayment of existing indebtedness.

On June 29, 2009, the Company entered into a forward financing commitment to borrow up to $256.5 million under two separate loans
which are secured by mortgages on the 30thStreet Post
Office (the Post Office project), the Cira South Garage (the garage project) and by the leases of space at these facilities upon the completion of these projects. Of the total borrowings, $209.7 million and $46.8 million will
be allocated to the Post Office project and to the garage project, respectively. The Company paid a $17.7 million commitment fee, which includes a $1.5 million arrangement fee, in connection with this commitment. The total loan amount together with
the net commitment fee was deposited in an escrow account to be administered by The Bank of New York Mellon (the trustee). In accordance with the trust agreement between the lender and the trustee, the lender assigned its rights under
the loans to the Trust. The Trust issued certificates to third parties in an amount equal to the funding commitment. Upon investment of the escrow account in a portfolio of U.S. Government treasuries, the net commitment fee of $16.2 million will be
used together with the interest earned on the escrow account to pay interest costs of the loans through August 26, 2010 which is also the anticipated completion date of the projects and the expected funding date. In order for funding to occur,
certain conditions must be met by the Company which primarily relate to the completion of the projects and the commencement of the rental payments from the respective leases with the IRS on these properties. The loans will bear interest at 5.93% and
require principal and interest payments based on a twenty year amortization schedule. The Company intends to use the loan proceeds to reduce borrowings under its credit facility and for general corporate purposes. As of September 30, 2009, the
commitment fee is included as part of the deferred costs in the Companys consolidated balance sheet as it believes the funding is probable of occurring. The Company will amortize this cost over the term of the loan starting on the date the
funding of the loans has occurred. In the event that the Company believes the funding will not occur, this cost will be written off in the period that such determination was made. In addition, should the funding not occur either because the Company
does not meet the conditions or the Company decides not to proceed with the funding, a termination fee is payable (see Note 16).

During the
nine-month periods ended September 30, 2009 and 2008, the Companys weighted-average effective interest rate on its mortgage notes payable was 6.45% and 6.41%, respectively.



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NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



During the nine-months ended September 30, 2009, the Company repurchased $401.1 million of its
existing Notes in a series of transactions which are summarized in the table below:



|             |  |                  |         |           |   |         |  |                                |        |  |   |      
|------------ |  | ---------------- | ------- | --------- | - | ------- |  | ------------------------------ | ------ |  | - | -----
|Notes        |  | RepurchaseAmount |         | Principal |   | Gain    |  | Deferred FinancingAmortization
|2009 Notes   |  | $                | 92,736  |           | $ | 94,130  |  | $                              | 1,377  |  | $ | 88   
|2010 Notes   |  |                  | 59,257  |           |   | 64,999  |  |                                | 5,760  |  |   | 190  
|2012 Notes   |  |                  | 109,104 |           |   | 112,175 |  |                                | 2,610  |  |   | 369  
|2014 Notes   |  |                  | 6,329   |           |   | 7,319   |  |                                | 961    |  |   | 330  
|3.875% Notes |  |                  | 106,166 |           |   | 122,490 |  |                                | 13,016 |  |   | 1,111
|             |  |                  |         |           |   |         |  |                                |        |  |   |      
|             |  | $                | 373,592 |           | $ | 401,113 |  | $                              | 23,724 |  | $ | 2,088
|             |  |                  |         |           |   |         |  |                                |        |  |   |      

The Company utilizes credit facility borrowings for general business purposes, including the
acquisition, development and redevelopment of properties and the repayment of other debt. The maturity date of the $600.0 million Credit Facility (the Credit Facility) is June 29, 2011 (subject to an extension of one year, at the
Companys option, upon its payment of an extension fee equal to 15 basis points of the committed amount under the Credit Facility). The per annum variable interest rate on outstanding balances is LIBOR plus 0.725%. The interest rate and
facility fee are subject to adjustment upon a change in the Companys unsecured debt ratings. The Company has the option to increase the Credit Facility to $800.0 million subject to the absence of any defaults and the Companys ability to
acquire additional commitments from its existing lenders or new lenders. As of September 30, 2009, the Company had no outstanding borrowings under the Credit Facility but had $15.9 million of letters of credit outstanding, and a $15.3 million
holdback in connection with its historic tax credit transaction leaving $568.8 million of unused availability. During the nine-month periods ended September 30, 2009 and 2008, the weighted-average interest rate on Credit Facility borrowings was
1.97% and 4.37% respectively. As of September 30, 2008, the weighted average interest rate on Credit Facility borrowings was 3.89%.

The
Credit Facility requires the maintenance of ratios related to minimum net worth, debt-to-total capitalization and fixed charge coverage and includes non-financial covenants. The Company was in compliance with all financial covenants as of
September 30, 2009.

In April 2007, the Company entered into a $20.0 million Sweep Agreement (the Sweep Agreement) to be used
for cash management purposes. Borrowings under the Sweep Agreement bear interest at one-month LIBOR plus 0.75%. The Sweep Agreement ended in April 2009 at which point the agreement was not renewed.

As of September 30, 2009, the Companys aggregate scheduled principal payments of debt obligations, excluding amortization of discounts and
premiums, are as follows (in thousands):



|                                   |  |   |           |  
|---------------------------------- |  | - | --------- | -
|2009                               |  | $ | 104,951   |  
|2010                               |  |   | 444,804   |  
|2011                               |  |   | 291,836   |  
|2012                               |  |   | 239,489   |  
|2013                               |  |   | 59,754    |  
|Thereafter                         |  |   | 1,377,052 |  
|                                   |  |   |           |  
|Total principal payments           |  |   | 2,517,886 |  
|Net unamortized premiums/discounts |  |   | (8,367    | )
|                                   |  |   |           |  
|Outstanding indebtedness           |  | $ | 2,509,519 |  
|                                   |  |   |           |  

8. FAIR VALUE OF FINANCIAL INSTRUMENTS

The following fair value disclosure was determined by the Company using available market information and discounted cash flow analyses as of
September 30, 2009 and December 31, 2008, respectively. The discount rate used in calculating fair value is the sum of the current risk free rate and the risk premium on the date of measurement of the instruments or obligations.
Considerable judgment is necessary to interpret market data and to develop the related estimates of fair value. Accordingly, the estimates presented are not necessarily indicative of the amounts that the Company could realize upon disposition. The
use of different estimation methodologies



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



may have a material effect on the estimated fair value amounts. The Company believes that the carrying amounts reflected in the Consolidated Balance Sheets at September 30, 2009 and
December 31, 2008 approximate the fair values for cash and cash equivalents, accounts receivable, other assets, accounts payable and accrued expenses.

The following are financial instruments for which the Company estimates of fair value differ from the carrying amounts (in thousands):



|                                          |  |                    |           |                   |   |                |  |           |           |  |   |          
|----------------------------------------- |  | ------------------ | --------- | ----------------- | - | -------------- |  | --------- | --------- |  | - | ---------
|                                          |  | September 30, 2009 |           | December 31, 2008
|                                          |  | CarryingAmount     |           | FairValue         |   | CarryingAmount |  | FairValue
|                                          |  |                    |           |                  
|Mortgage payable, net of premiums         |  | $                  | 554,616   |                   | $ | 525,224        |  | $         | 484,890   |  | $ | 487,525  
|Unsecured notes payable, net of discounts |  | $                  | 1,693,293 |                   | $ | 1,627,652      |  | $         | 1,854,186 |  | $ | 1,152,056
|Variable Rate Debt Instruments            |  | $                  | 261,610   |                   | $ | 252,068        |  | $         | 414,610   |  | $ | 398,748  
|Notes Receivable                          |  | $                  | 49,114    |                   | $ | 47,558         |  | $         | 48,048    |  | $ | 46,227   

9. RISK MANAGEMENT AND USE OF FINANCIAL INSTRUMENTS

Risk Management

In
the course of its on-going business operations, the Company encounters economic risk. There are three main components of economic risk: interest rate risk, credit risk and market risk. The Company is subject to interest rate risk on its
interest-bearing liabilities. Credit risk is primarily the risk of inability or unwillingness of tenants to make contractually required payments. Market risk is the risk of declines in the value of properties due to changes in rental rates, interest
rates or other market factors affecting the valuation of properties held by the Company.

Risks and Uncertainties

Deteriorating economic conditions have generally resulted in a reduction of the availability of financing and higher borrowing costs.
These factors, coupled with a slowing economy, have reduced the volume of real estate transactions and created credit stresses on most businesses. The Company believes that vacancy rates will increase through 2009 and possibly beyond as the current
economic climate negatively impacts tenants in the Properties. The current financial markets also have an adverse effect on the Companys other counter parties such as the counter parties in its derivative contracts.

The Company expects that the impact of the current state of the economy, including rising unemployment and the unprecedented volatility and illiquidity in
the financial and credit markets, will continue to have a dampening effect on the fundamentals of its business, including increases in past due accounts, tenant defaults, lower occupancy and reduced effective rents. These conditions would negatively
affect the Companys future net income and cash flows and could have a material adverse effect on its financial condition.

The
Companys Credit Facility, Bank Term Loan and the indenture governing the unsecured public debt securities (Note 7) contain restrictions, requirements and other limitations on the ability to incur indebtedness, including total debt to asset
ratios, secured debt to total asset ratios, debt service coverage ratios and minimum ratios of unencumbered assets to unsecured debt which it must maintain. The ability to borrow under the Credit Facility is subject to compliance with such financial
and other covenants. In the event that the Company fails to satisfy these covenants, it would be in default under the Credit Facility, the Bank Term Loan and the indenture and may be required to repay such debt with capital from other sources. Under
such circumstances, other sources of capital may not be available, or may be available only on unattractive terms.



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



Availability of borrowings under the Credit Facility is subject to a traditional material adverse effect
clause. Each time the Company borrows it must represent to the lenders that there have been no events of a nature which would have a material adverse effect on the business, assets, operations, condition (financial or otherwise) or prospects of the
Company taken as a whole or which could negatively effect the ability of the Company to perform its obligations under the Credit Facility. While the Company believes that there are currently no material adverse effect events, the Company is
operating in unprecedented economic times and it is possible that such events could arise which would limit the Companys borrowings under the Credit Facility. If an event occurs which is considered to have a material adverse effect, the
lenders could consider the Company in default under the terms of the Credit Facility and the borrowings under the Credit Facility if any, would become due and payable. If the Company is unable to obtain a waiver, this would have a material adverse
effect on the Companys financial position and results of operations.

The Company was in compliance with all financial covenants as of
September 30, 2009. Management continuously monitors the Companys compliance with and anticipated compliance with the covenants. Certain of the covenants restrict managements ability to obtain alternative sources of capital. While
the Company currently believes it will remain in compliance with its covenants, in the event of a continued slow-down and continued crisis in the credit markets, the Company may not be able to remain in compliance with such covenants and if the
lender would not provide a waiver, it could result in an event of default.

Use of Derivative Financial Instruments

The Companys use of derivative instruments is limited to the utilization of interest rate agreements or other instruments to
manage interest rate risk exposures and not for speculative purposes. The principal objective of such arrangements is to minimize the risks and/or costs associated with the Companys operating and financial structure, as well as to hedge
specific transactions. The counterparties to these arrangements are major financial institutions with which the Company and its affiliates may also have other financial relationships. The Company is potentially exposed to credit loss in the event of
non-performance by these counterparties. However, because of the high credit ratings of the counterparties, the Company does not anticipate that any of the counterparties will fail to meet these obligations as they come due. The Company does not
hedge credit or property value market risks through derivative financial instruments.

The Company formally assesses, both at inception of the
hedge and on an on-going basis, whether each derivative is highly-effective in offsetting changes in cash flows of the hedged item. If management determines that a derivative is not highly-effective as a hedge or if a derivative ceases to be a
highly-effective hedge, the Company will discontinue hedge accounting prospectively. The related ineffectiveness would be charged to the Statement of Operations.

The valuation of these instruments is determined using widely accepted valuation techniques including discounted cash flow analysis on the expected cash flows of each derivative. This analysis reflects
the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate curves and implied volatilities. The fair values of interest rate swaps are determined using the market
standard methodology of netting the discounted future fixed cash receipts (or payments) and the discounted expected variable cash payments (or receipts). The variable cash payments (or receipts) are based on an expectation of future interest
rates (forward curves) derived from observable market interest rate curves.

To comply with the provisions of accounting standard for fair
value measurements and disclosures, the Company incorporates credit valuation adjustments to appropriately reflect both its own nonperformance risk and the respective counterpartys nonperformance risk in the fair value measurements. In
adjusting the fair value of its derivative contracts for the effect of nonperformance risk, the Company has considered the impact of netting and any applicable credit enhancements, such as collateral postings, thresholds, mutual puts, and
guarantees.

Although the Company has determined that the majority of the inputs used to value its derivatives fall within Level 2 of the fair
value hierarchy, the credit valuation adjustments associated with its derivatives utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default by itself and its counterparties. However, as of
September 30, 2009 and December 31, 2008, the Company has assessed the significance of the impact of the credit valuation adjustments on the overall valuation of its derivative positions and has determined that the credit valuation
adjustments are not significant to the overall valuation of its derivatives. As a result, the Company has determined that its derivative valuations in their entirety are classified in Level 2 of the fair value hierarchy.



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NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



The following table summarizes the terms and fair values of the Companys derivative financial
instruments at September 30, 2009 and December 31, 2008. The notional amounts provide an indication of the extent of the Companys involvement in these instruments at that time, but do not represent exposure to credit, interest rate
or market risks.

The fair value of the hedges at September 30, 2009 and December 31, 2008 is included in other liabilities and
accumulated other comprehensive income in the accompanying balance sheet, except for the $1.1 million fair value adjustment of the hedges charged to the consolidated statements of operations during the three months ended September 30, 2009
relating to two of the Companys interest rate swaps. The hedging relationship with these swaps ceased upon the Companys planned issuance of its unsecured notes effective September 21, 2009, and as such the interest rate swaps no
longer qualify for hedge accounting. Accordingly, changes in the fair value of these interest rate swaps will be charged to our consolidated statements of operations until they are cash settled which the Company does not expect to settle until the
latter part of the last quarter of 2009. The Company also recognized $0.4 million and $0.7 million of ineffectiveness of the hedges during the three and nine months ended September 30, 2009, respectively, prior to the termination of the hedging
relationship.



|              |  |               |  |             |           |     |            |                 |         |  |   |         |  |           |           |            |              |  |            |  |          |  |   |        |  |   |       
|------------- |  | ------------- |  | ----------- | --------- | --- | ---------- | --------------- | ------- |  | - | ------- |  | --------- | --------- | ---------- | ------------ |  | ---------- |  | -------- |  | - | ------ |  | - | ------
|Hedge Product |  | HedgeType     |  | Designation |           |     |            | Notional Amount |         |  |   | Strike  |  |           | TradeDate |            | MaturityDate |  | Fair Value
|              |  |               |  |             | 9/30/2009 |     | 12/31/2008 |                 |         |  |   |         |  | 9/30/2009 |           | 12/31/2008
|Swap          |  | Interest Rate |  | Cash Flow   |           | (b) |            | $               | 107,700 |  | $ | 78,000  |  | (a)       |           | 4.709      | %            |  | 9/20/07    |  | 10/18/10 |  | $ | 6,185  |  | $ | 7,204 
|Swap          |  | Interest Rate |  | Cash Flow   |           | (b) |            |                 | 25,000  |  |   | 25,000  |  |           |           | 4.415      | %            |  | 10/19/07   |  | 10/18/10 |  |   | 1,069  |  |   | 1,439 
|Swap          |  | Interest Rate |  | Cash Flow   |           | (b) |            |                 | 25,000  |  |   | 25,000  |  |           |           | 3.747      | %            |  | 11/26/07   |  | 10/18/10 |  |   | 845    |  |   | 1,111 
|Swap          |  | Interest Rate |  | Cash Flow   |           | (b) |            |                 | 25,000  |  |   | 25,000  |  |           |           | 3.338      | %            |  | 1/4/08     |  | 12/18/09 |  |   | 181    |  |   | 603   
|Swap          |  | Interest Rate |  | Cash Flow   |           | (b) |            |                 | 25,774  |  |   | 25,774  |  |           |           | 2.975      | %            |  | 10/16/08   |  | 10/30/10 |  |   | 641    |  |   | 628   
|Swap          |  | Interest Rate |  | Cash Flow   |           | (b) |            |                 | 25,000  |  |   | 25,000  |  |           |           | 4.770      | %            |  | 1/4/08     |  | 12/18/19 |  |   | 2,922  |  |   | 4,079 
|Swap          |  | Interest Rate |  | Cash Flow   |           | (b) |            |                 | 25,000  |  |   | 25,000  |  |           |           | 4.423      | %            |  | 3/19/08    |  | 12/18/19 |  |   | 2,169  |  |   | 3,402 
|              |  |               |  |             |           |     |            |                 |         |  |   |         |  |           |           |            |              |  |            |  |          |  |   |        |  |   |       
|              |  |               |  |             |           |     |            | $               | 258,474 |  | $ | 228,774 |  |           |           |            |              |  |            |  |          |  | $ | 14,012 |  | $ | 18,466
|              |  |               |  |             |           |     |            |                 |         |  |   |         |  |           |           |            |              |  |            |  |          |  |   |        |  |   |       



(a) - Notional amount accreting up to $155,000 through October 8, 2010.

(b) - Hedging
unsecured variable rate debt.

Concentration of Credit Risk

Concentrations of credit risk arise when a number of tenants related to the Companys investments or rental operations are engaged in similar business
activities, or are located in the same geographic region, or have similar economic features that would cause their inability to meet contractual obligations, including those to the Company, to be similarly affected. The Company regularly monitors
its tenant base to assess potential concentrations of credit risk. Management believes the current credit risk portfolio is reasonably well diversified and does not contain any unusual concentration of credit risk. No tenant accounted for 5% or more
of the Companys rents during the three and nine-month periods ended September 30, 2009 and 2008. Recent developments in the general economy and the global credit markets have had a significant adverse effect on companies in numerous
industries. The Company has tenants concentrated in various industries that may be experiencing adverse effects from the current economic conditions and the Company could be adversely affected if such tenants go into default under their leases.

10. DISCONTINUED OPERATIONS

For the three-and nine-month periods ended September 30, 2009, income from discontinued operations relates to the four properties that the Company sold during 2009 and three properties designated as held for sale at September 30,
2009. The Company determined that these three properties, consisting of two office buildings located in Trenton, New Jersey and a condominium interest in an office building in Lawrenceville, New Jersey, met the criteria for assets to be disposed of
by sale pursuant to the related requirements provided for the classification as held for sale under the accounting standard for long lived assets. Accordingly, at September 30, 2009, these asset groups are required to be measured at the lower
of their carrying value or the estimated fair value less costs to sell. No provision for impairment was recognized at September 30, 2009 as the estimated fair value of the properties less costs to sell is higher than the carrying value. The
sales of the two office buildings and the condominium interest were closed on October 2 and October 13, 2009, respectively. See Note 17 for details of the sale transactions.



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



The following table summarizes the revenue and expense information for the properties classified as
discontinued operations for the three-and nine-month periods ended September 30, 2009 (in thousands):



|                                                                                    |  |                                            |       |   |                                           |   |        |  
|----------------------------------------------------------------------------------- |  | ------------------------------------------ | ----- | - | ----------------------------------------- | - | ------ | -
|                                                                                    |  | Three-month periodended September 30, 2009 |       |   | Nine-month periodended September 30, 2009 |  
|Revenue:                                                                            |  |                                            |       |   |                                           |   |        |  
|Rents                                                                               |  | $                                          | 2,171 |   |                                           | $ | 7,976  |  
|Tenant reimbursements                                                               |  |                                            | 1,602 |   |                                           |   | 5,025  |  
|Other                                                                               |  |                                            | 1     |   |                                           |   | 122    |  
|                                                                                    |  |                                            |       |   |                                           |   |        |  
|Total revenue                                                                       |  |                                            | 3,774 |   |                                           |   | 13,123 |  
|                                                                                    |  |                                           
|Expenses:                                                                           |  |                                            |       |   |                                           |   |        |  
|Property operating expenses                                                         |  |                                            | 1,341 |   |                                           |   | 4,540  |  
|Real estate taxes                                                                   |  |                                            | 531   |   |                                           |   | 1,734  |  
|Depreciation and amortization                                                       |  |                                            | 512   |   |                                           |   | 2,158  |  
|Provision for impairment of discontinued operations                                 |  |                                            |      |   |                                           |   | 3,700  |  
|                                                                                    |  |                                            |       |   |                                           |   |        |  
|Total operating expenses                                                            |  |                                            | 2,384 |   |                                           |   | 12,132 |  
|Interest income                                                                     |  |                                            |      |   |                                           |   | (1     | )
|                                                                                    |  |                                            |       |   |                                           |   |        |  
|                                                                                    |  |                                           
|Income from discontinued operations before gain on sale of interests in real estate |  |                                            | 1,390 |   |                                           |   | 990    |  
|                                                                                    |  |                                           
|Net loss on sale of interests in real estate                                        |  |                                            | (6    | ) |                                           |   | (1,037 | )
|                                                                                    |  |                                            |       |   |                                           |   |        |  
|Income (loss) from discontinued operations                                          |  |                                            | 1,384 |   |                                           |   | (47    | )
|(Income) loss from discontinued operations attributable to non-controlling interest |  |                                            | (30   | ) |                                           |   | 14     |  
|                                                                                    |  |                                            |       |   |                                           |   |        |  
|Income (loss) from discontinued operations attributable to Brandywine Realty Trust  |  | $                                          | 1,354 |   |                                           | $ | (33    | )
|                                                                                    |  |                                            |       |   |                                           |   |        |  



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



For the three-and nine-month periods ended September 30, 2008, income from discontinued operations
relates to properties that the Company sold from January 1, 2008 through September 30, 2009 and the properties that were designated as held for sale at September 30, 2009. The following table summarizes the revenue and expense
information for properties classified as discontinued operations for the three-and nine-month periods ended September 30, 2008 (in thousands):



|                                                                                    |  |                                            |        |   |                                           |   |        |  
|----------------------------------------------------------------------------------- |  | ------------------------------------------ | ------ | - | ----------------------------------------- | - | ------ | -
|                                                                                    |  | Three-month periodended September 30, 2008 |        |   | Nine-month periodended September 30, 2008 |  
|Revenue:                                                                            |  |                                            |        |   |                                           |   |        |  
|Rents                                                                               |  | $                                          | 15,659 |   |                                           | $ | 48,754 |  
|Tenant reimbursements                                                               |  |                                            | 1,864  |   |                                           |   | 5,397  |  
|Other                                                                               |  |                                            | 54     |   |                                           |   | 250    |  
|                                                                                    |  |                                            |        |   |                                           |   |        |  
|Total revenue                                                                       |  |                                            | 17,577 |   |                                           |   | 54,401 |  
|                                                                                    |  |                                           
|Expenses:                                                                           |  |                                            |        |   |                                           |   |        |  
|Property operating expenses                                                         |  |                                            | 6,733  |   |                                           |   | 18,897 |  
|Real estate taxes                                                                   |  |                                            | 1,860  |   |                                           |   | 5,463  |  
|Depreciation and amortization                                                       |  |                                            | 1,627  |   |                                           |   | 12,450 |  
|Provision for impairment of discontinued operations                                 |  |                                            |       |   |                                           |   | 6,850  |  
|                                                                                    |  |                                            |        |   |                                           |   |        |  
|Total operating expenses                                                            |  |                                            | 10,220 |   |                                           |   | 43,660 |  
|                                                                                    |  |                                           
|Interest income                                                                     |  |                                            | 4      |   |                                           |   | 15     |  
|Interest expense                                                                    |  |                                            | (1,767 | ) |                                           |   | (4,461 | )
|                                                                                    |  |                                            |        |   |                                           |   |        |  
|                                                                                    |  |                                           
|Income from discontinued operations before gain on sale of interests in real estate |  |                                            | 5,594  |   |                                           |   | 6,295  |  
|                                                                                    |  |                                           
|Net gain on sale of interests in real estate                                        |  |                                            |       |   |                                           |   | 21,401 |  
|                                                                                    |  |                                            |        |   |                                           |   |        |  
|Income from discontinued operations                                                 |  |                                            | 5,594  |   |                                           |   | 27,696 |  
|Income from discontinued operations attributable to non-controlling interest        |  |                                            | (202   | ) |                                           |   | (1,094 | )
|                                                                                    |  |                                            |        |   |                                           |   |        |  
|Income from discontinued operations attributable to Brandywine Realty Trust         |  | $                                          | 5,392  |   |                                           | $ | 26,602 |  
|                                                                                    |  |                                            |        |   |                                           |   |        |  

The following table summarizes the balance sheet information for the three properties identified as
held for sale at September 30, 2009 (in thousands):



|                                                                  |  |   |         |  
|----------------------------------------------------------------- |  | - | ------- | -
|Real Estate Investments:                                          |  |   |         |  
|Operating property, development land and construction-in-progress |  | $ | 85,123  |  
|Accumulated depreciation                                          |  |   | (20,453 | )
|                                                                  |  |   |         |  
|                                                                  |  |   | 64,670  |  
|                                                                  | 
|Receivables                                                       |  |   | 1,556   |  
|Other assets                                                      |  |   | 7,780   |  
|                                                                  |  |   |         |  
|Total Assets Held for Sale                                        |  | $ | 74,006  |  
|                                                                  |  |   |         |  
|                                                                  | 
|Liabilities held for sale                                         |  | $ | 666     |  
|                                                                  |  |   |         |  

Discontinued operations have not been segregated in the consolidated statements of cash flows.
Therefore, amounts for certain captions will not agree with respective data in the consolidated statements of operations.



11. NON-CONTROLLING INTERESTS IN OPERATING PARTNERSHIP AND CONSOLIDATED REAL ESTATE VENTURES

Operating Partnership

As of September 30, 2009 and December 31, 2008, the aggregate book value of the non-controlling interests associated with these units in the accompanying consolidated balance sheet was $39.3 million and $53.0 million, respectively
and the Company believes that the aggregate settlement value of these interests was approximately $31.1 million and $21.7 million, respectively. This amount is based on the number of units outstanding and the closing share price on the balance sheet
date.



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



Non-Controlling Interest  Partners Share of Consolidated Real Estate
Ventures

As of September 30, 2009 and December 31, 2008, the Company owned interests in three consolidated real estate
ventures that own three office properties containing approximately 0.4 million net rentable square feet. The Company is the primary beneficiary and these consolidated real estate ventures are variable interest entities under the accounting
standard for consolidation.

The non-controlling interests associated with certain of the real estate ventures that have finite lives under
the terms of the partnership agreements represent mandatorily redeemable interests as defined under the accounting standard for certain financial instruments with characteristics of both liabilities and equity. The aggregate amount related to these
non-controlling interests classified within equity is $0.1 million at September 30, 2009 and a nominal amount as of December 31, 2008. The Company believes that the aggregate settlement value of these interests was approximately $8.7
million and $9.1 million at September 30, 2009 and December 31, 2008, respectively. This amount is based on the estimated liquidation values of the assets and liabilities and the resulting proceeds that the Company would distribute to its
real estate venture partners upon dissolution, as required under the terms of the respective partnership agreements. Subsequent changes to the estimated liquidation values of the assets and liabilities of the consolidated real estate ventures will
affect the Companys estimate of the aggregate settlement value. The partnership agreements do not limit the amount that the non-controlling interest partners would be entitled to in the event of liquidation of the assets and liabilities and
dissolution of the respective partnerships.

12. BENEFICIARIES EQUITY

Earnings per Share (EPS)

The following table details the number of shares and net income used to calculate basic and diluted earnings per share (in thousands, except share and per share amounts; results may not add due to rounding):



|                                                                                         |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|---------------------------------------------------------------------------------------- |  | --------------------------------------- | ----------- | - | ------- | - | ----------- | ----- |  | - | ---------- | - |  | - | ---------- | -
|                                                                                         |  | Three-month periods ended September 30, |            
|                                                                                         |  | 2009                                    |             |   | 2008    |  
|                                                                                         |  | Basic                                   |             |   | Diluted |   |             | Basic |  |   | Diluted    |  
|                                                                                         |  |                                         |             |  
|Numerator                                                                                |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Income (loss) from continuing operations                                                 |  | $                                       | 5,925       |   |         | $ | 5,925       |       |  | $ | (3,848     | ) |  | $ | (3,848     | )
|                                                                                         |  |                                         |             |  
|Net (loss) income from continuing operations attributable to non-controlling interests   |  |                                         | (131        | ) |         |   | (131        | )     |  |   | 153        |   |  |   | 153        |  
|Amount allocable to unvested restricted shareholders                                     |  |                                         | (73         | ) |         |   | (73         | )     |  |   | (226       | ) |  |   | (226       | )
|Preferred share dividends                                                                |  |                                         | (1,998      | ) |         |   | (1,998      | )     |  |   | (1,998     | ) |  |   | (1,998     | )
|                                                                                         |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Income (loss) from continuing operations available to common shareholders                |  |                                         | 3,723       |   |         |   | 3,723       |       |  |   | (5,919     | ) |  |   | (5,919     | )
|                                                                                         |  |                                         |             |  
|Income from discontinued operations                                                      |  |                                         | 1,384       |   |         |   | 1,384       |       |  |   | 5,594      |   |  |   | 5,594      |  
|Net income (loss) from discontinued operations attributable to non-controlling interests |  |                                         | (30         | ) |         |   | (30         | )     |  |   | (202       | ) |  |   | (202       | )
|                                                                                         |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Discontinued operations attributable to common shareholders                              |  |                                         | 1,354       |   |         |   | 1,354       |       |  |   | 5,392      |   |  |   | 5,392      |  
|                                                                                         |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Net income available to common shareholders                                              |  | $                                       | 5,077       |   |         | $ | 5,077       |       |  | $ | (527       | ) |  | $ | (527       | )
|                                                                                         |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|                                                                                         |  |                                         |             |  
|Denominator                                                                              |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Weighted-average shares outstanding                                                      |  |                                         | 128,582,498 |   |         |   | 128,582,498 |       |  |   | 87,695,892 |   |  |   | 87,695,892 |  
|Contingent securities/Stock based compensation                                           |  |                                         |            |   |         |   | 1,343,612   |       |  |   |           |   |  |   |           |  
|                                                                                         |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Total weighted-average shares outstanding                                                |  |                                         | 128,582,498 |   |         |   | 129,926,110 |       |  |   | 87,695,892 |   |  |   | 87,695,892 |  
|                                                                                         |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|                                                                                         |  |                                         |             |  
|Earnings per Common Share:                                                               |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Income from continuing operations attributable to common shareholders                    |  | $                                       | 0.03        |   |         | $ | 0.03        |       |  | $ | (0.07      | ) |  | $ | (0.07      | )
|Discontinued operations attributable to common shareholders                              |  |                                         | 0.01        |   |         |   | 0.01        |       |  |   | 0.06       |   |  |   | 0.06       |  
|                                                                                         |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Net income attributable to common shareholders                                           |  | $                                       | 0.04        |   |         | $ | 0.04        |       |  | $ | (0.01      | ) |  | $ | (0.01      | )
|                                                                                         |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



|                                                                                         |  |                                        |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|---------------------------------------------------------------------------------------- |  | -------------------------------------- | ----------- | - | ------- | - | ----------- | ----- |  | - | ---------- | - |  | - | ---------- | -
|                                                                                         |  | Nine-month periods ended September 30, |            
|                                                                                         |  | 2009                                   |             |   | 2008    |  
|                                                                                         |  | Basic                                  |             |   | Diluted |   |             | Basic |  |   | Diluted    |  
|Numerator                                                                                |  |                                        |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Income (loss) from continuing operations                                                 |  | $                                      | 12,263      |   |         | $ | 12,263      |       |  | $ | (4,140     | ) |  | $ | (4,140     | )
|                                                                                         |  |                                        |             |  
|Net (loss) income from continuing operations attributable to non-controlling interests   |  |                                        | (248        | ) |         |   | (248        | )     |  |   | 217        |   |  |   | 217        |  
|Amount allocable to unvested restricted shareholders                                     |  |                                        | (183        | ) |         |   | (183        | )     |  |   | (620       | ) |  |   | (620       | )
|Preferred share dividends                                                                |  |                                        | (5,994      | ) |         |   | (5,994      | )     |  |   | (5,994     | ) |  |   | (5,994     | )
|                                                                                         |  |                                        |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Income (loss) from continuing operations available to common shareholders                |  |                                        | 5,838       |   |         |   | 5,838       |       |  |   | (10,537    | ) |  |   | (10,537    | )
|                                                                                         |  |                                        |             |  
|Income (loss) from discontinued operations                                               |  |                                        | (47         | ) |         |   | (47         | )     |  |   | 27,696     |   |  |   | 27,696     |  
|Net income (loss) from discontinued operations attributable to non-controlling interests |  |                                        | 14          |   |         |   | 14          |       |  |   | (1,094     | ) |  |   | (1,094     | )
|                                                                                         |  |                                        |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Discontinued operations attributable to common shareholders                              |  |                                        | (33         | ) |         |   | (33         | )     |  |   | 26,602     |   |  |   | 26,602     |  
|                                                                                         |  |                                        |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Net income available to common shareholders                                              |  | $                                      | 5,805       |   |         | $ | 5,805       |       |  | $ | 16,065     |   |  | $ | 16,065     |  
|                                                                                         |  |                                        |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|                                                                                         |  |                                        |             |  
|Denominator                                                                              |  |                                        |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Weighted-average shares outstanding                                                      |  |                                        | 106,273,509 |   |         |   | 106,273,509 |       |  |   | 87,423,108 |   |  |   | 87,423,108 |  
|Contingent securities/Stock based compensation                                           |  |                                        |            |   |         |   | 933,042     |       |  |   |           |   |  |   | 14,025     |  
|                                                                                         |  |                                        |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Total weighted-average shares outstanding                                                |  |                                        | 106,273,509 |   |         |   | 107,206,551 |       |  |   | 87,423,108 |   |  |   | 87,437,133 |  
|                                                                                         |  |                                        |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|                                                                                         |  |                                        |             |  
|Earnings per Common Share:                                                               |  |                                        |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Income from continuing operations attributable to common shareholders                    |  | $                                      | 0.05        |   |         | $ | 0.05        |       |  | $ | (0.12      | ) |  | $ | (0.12      | )
|Discontinued operations attributable to common shareholders                              |  |                                        |            |   |         |   |            |       |  |   | 0.30       |   |  |   | 0.30       |  
|                                                                                         |  |                                        |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Net income attributable to common shareholders                                           |  | $                                      | 0.05        |   |         | $ | 0.05        |       |  | $ | 0.18       |   |  | $ | 0.18       |  
|                                                                                         |  |                                        |             |   |         |   |             |       |  |   |            |   |  |   |            |  

Securities totaling 2,816,621 and 3,276,662 as of September 30, 2009 and 2008, respectively,
were excluded from the earnings per share computations because their effect would have been anti-dilutive.

The contingent securities/stock
based compensation impact is calculated using the treasury stock method and relates to employee awards settled in shares of the Company. The effect of these securities is anti-dilutive for periods that the Company incurs a net loss available to
common shareholders and therefore is excluded from the dilutive earnings per share calculation in such periods.

Unvested restricted shares
are considered participating securities which require the use of the two-class method for the computation of basic and diluted earnings per share. For the nine months ended September 30, 2009 and 2008, earnings representing nonforfeitable
dividends as noted in the table above were allocated to the unvested restricted shares.

Common and Preferred Shares

On September 16, 2009, the Company declared a distribution of $0.10 per Common Share, totaling $12.9 million, which was paid on
October 19, 2009 to shareholders of record as of October 5, 2009. On September 16, 2009, the Company declared distributions on its Series C Preferred Shares and Series D Preferred Shares to holders of record as of September 30,
2009. These shares are entitled to a preferential return of 7.50% and 7.375%, respectively. Distributions paid on October 15, 2009 to holders of Series C Preferred Shares and Series D Preferred Shares totaled $0.9 million and $1.1 million,
respectively.

On June 2, 2009, the Company completed its public offering (the offering) of 40,250,000 of its common shares,
par value $0.01 per share. The common shares were issued and sold by the Company to the underwriters at a public offering price of $6.30 per common share in accordance with an underwriting agreement. The common shares sold include 5,250,000 shares
issued and sold pursuant to the underwriters exercise in full of their over-allotment option under the underwriting agreement. The Company received net proceeds of approximately $242.3 million from the offering net of underwriting discounts,
commissions and expenses. The Company used the net proceeds from the offering to repay outstanding borrowings under its $600.0 million unsecured revolving credit facility amounting to $242.0 million and for general corporate purposes.



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



The Company issued 2,000,000 7.50% Series C Cumulative Redeemable Preferred Shares (the Series C
Preferred Shares) for net proceeds of $48.1 million in 2003. The Series C Preferred Shares are perpetual. On or after December 30, 2008, the Company, at its option, may redeem the Series C Preferred Shares, in whole or in part, by
paying $25.00 per share, which is equivalent to its liquidation preference, plus accrued but unpaid dividends.

The Company issued 2,300,000
7.375% Series D Cumulative Redeemable Preferred Shares (the Series D Preferred Shares) for net proceeds of $55.5 million in 2004. The Series D Preferred Shares are perpetual. On or after February 27, 2009, the Company, at its
option, may redeem the Series D Preferred Shares, in whole or in part, by paying $25.00 per share, which is equivalent to its liquidation preference, plus accrued but unpaid dividends. The Company could not redeem Series D Preferred Shares before
February 27, 2009 except to preserve its REIT status.

Common Share Repurchases

The Company maintains a share repurchase program under which the Board has authorized the Company to repurchase its common shares from time to time. The
Board initially authorized this program in 1998 and has periodically replenished capacity under the program. On May 2, 2006 the Companys Board restored capacity to 3.5 million common shares.

The Company did not repurchase any shares during the three-and nine-month periods ended September 30, 2009. As of September 30, 2009, the Company
may purchase an additional 0.5 million shares under the plan.

Repurchases may be made from time to time in the open market or in
privately negotiated transactions, subject to market conditions and compliance with legal requirements. The share repurchase program does not contain any time limitation and does not obligate the Company to repurchase any shares. The Company may
discontinue the program at any time.

13. SHARE BASED AND DEFERRED COMPENSATION

Stock Options

At
September 30, 2009, the Company had 2,431,139 options outstanding under its shareholder approved equity incentive plan. There were 1,806,163 options unvested as of September 30, 2009 and $0.7 million of unrecognized compensation expense
associated with these options recognized over a weighted average of 1.9 years. During the nine months ended September 30, 2009 the Company recognized $0.3 million of compensation expense, included in general and administrative expense related
to unvested options.

Option activity as of September 30, 2009 and changes during the nine months ended September 30, 2009 were as
follows:



|                                         |  |           |  |                       |       |                                      |      |                                     |   |             |  
|---------------------------------------- |  | --------- |  | --------------------- | ----- | ------------------------------------ | ---- | ----------------------------------- | - | ----------- | -
|                                         |  | Shares    |  | AverageExercise Price |       | Remaining ContractualTerm (in years) |      | Aggregate IntrinsicValue (in 000s) |  
|Outstanding at January 1, 2009           |  | 1,754,648 |  | $                     | 20.41 |                                      | 8.77 |                                     | $ | (30,093     | )
|Granted                                  |  | 676,491   |  |                       | 2.91  |                                      | 9.51 |                                     |   | 5,499,869   |  
|Exercised                                |  |          |  |                       |      |                                      |     |                                     |   |            |  
|Forfeited or expired                     |  |          |  |                       |      |                                      |     |                                     |   |            |  
|                                         |  |           |  |                       |       |                                      |      |                                     |   |             |  
|Outstanding at September 30, 2009        |  | 2,431,139 |  | $                     | 15.54 |                                      | 8.63 |                                     | $ | (10,936,607 | )
|                                         |  |           |  |                       |       |                                      |      |                                     |   |             |  
|                                         |  |           |  |                      
|Vested/Exercisable at September 30, 2009 |  | 624,976   |  | $                     | 20.04 |                                      | 7.80 |                                     | $ | (5,571,999  | )



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September 30, 2009



Restricted Share Awards

As of September 30, 2009, 734,057 restricted shares were outstanding and vest over three to seven years from the initial grant date. The remaining
compensation expense to be recognized at September 30, 2009 was approximately $6.2 million. That expense is expected to be recognized over a weighted average remaining vesting period of 2.3 years. The Company recognized compensation expense
related to outstanding restricted shares of $2.5 million during the nine months ended September 30, 2009, of which $0.7 million was capitalized as part of the Companys review of employee salaries eligible for capitalization. The Company
recognized $2.4 million of compensation expense during the nine months period ended September 30, 2008. The expensed amounts are included in general and administrative expense on the Companys consolidated statement of operations in the
respective periods.

The following table summarizes the Companys restricted share activity for the nine-months ended September 30,
2009:



|                                 |  |          |   |  |                                      |      
|-------------------------------- |  | -------- | - |  | ------------------------------------ | -----
|                                 |  | Shares   |   |  | WeightedAverage GrantDate Fair value
|Non-vested at January 1, 2009    |  | 475,496  |   |  | $                                    | 26.21
|Granted                          |  | 372,586  |   |  |                                      | 3.36 
|Vested                           |  | (111,703 | ) |  |                                      | 22.85
|Forfeited                        |  | (2,322   | ) |  |                                      | 22.19
|                                 |  |          |   |  |                                      |      
|Non-vested at September 30, 2009 |  | 734,057  |   |  | $                                    | 9.78 
|                                 |  |          |   |  |                                      |      

Restricted Performance Share Units Plan

On April 1, 2009 the Compensation Committee of the Companys Board of Trustees awarded 488,292 share-based units, referred to as Restricted
Performance Share Units (RPSU), to executive participants. The awards are contingent upon the Companys total shareholder return as compared to its industry peers and the employment status of the participants through the performance
period. The performance period commenced on January 1, 2009 and will end on the earlier of December 31, 2011 or the date of a change in control.

If the total shareholder return during the measurement period places the Company at or above a certain percentile as compared to its peers based on an industry-based index at the end of the measurement
period then the number of shares that will be delivered shall equal a certain percentage of the participants base units.

The
participants will also receive dividend equivalent rights (DER) based on the initial number of the units awarded. The DER will be calculated throughout the vesting period and the dollar value of the DER will be used to purchase
additional RPSU. All shares due to the participants will be delivered on March 1, 2012. On April 1, 2009, the Company awarded 488,292 RPSU to its officers. The shares awarded have a three year cliff vesting period which is the period the
$1.1 million fair value of the awards will be amortized. On the date of the grant, the awards were valued using a Monte Carlo simulation. For the three and nine month periods ended September 30, 2009, the Company recognized compensation expense
of $0.1 and $0.2 million, respectively, related to this plan.

Outperformance Program

On August 28, 2006, the Compensation Committee of the Companys Board of Trustees adopted a long-term incentive compensation program (the
outperformance program) under the 1997 Plan. The outperformance program provided for share-based awards, with share issuances (if any), to take the form of both vested and restricted common shares and with any share issuances contingent
upon the Companys total shareholder return during a three year measurement period exceeding specified performance hurdles. These hurdles were not met and, accordingly, no shares were delivered under the outperformance program and the
outperformance program, has terminated in accordance with its terms. The awards under the outperformance program were accounted for in accordance with the accounting standard for stock-based compensation. The aggregate grant date fair values of the
awards under the outperformance



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program, as adjusted for estimated forfeitures, were approximately $5.9 million (with the values determined through a Monte Carlo simulation) and are being amortized into expense over the
five-year vesting period beginning on the grant dates using a graded vesting attribution model.

For the three-and nine-month periods ended
September 30, 2009, the Company recognized $0.2 million and $0.8 million, respectively, of compensation expenses related to the outperformance program. For the three-and nine-month periods ended September 30, 2008, the Company recognized
$0.4 million and $1.1 million, respectively, of compensation expense related to the outperformance program.

Employee
Share Purchase Plan

On May 9, 2007, the Companys shareholders approved the 2007 Non-Qualified Employee Share Purchase Plan
(the ESPP). The ESPP is intended to provide eligible employees with a convenient means to purchase common shares of the Company through payroll deductions and voluntary cash purchases at an amount equal to 85% of the average closing
price per share for a specified period. Under the plan document, the maximum participant contribution for the 2009 plan year is limited to the lesser of 20% of compensation or $25,000. The number of shares reserved for issuance under the ESPP is
1.25 million. During the three-and nine-month periods ended September 30, 2009, employees made purchases of $0.1 million and $0.3 million, respectively, under the ESPP. The Company recognized $0.1 million of compensation expense related to the
ESPP during the nine months ended September 30, 2009. During the three-and nine-month periods ended September 30, 2008, employees made purchases of $0.1 million and $0.5 million, respectively under the ESPP. The Company recognized $0.1
million of compensation expense related to the ESPP during the nine months ended September 30, 2008. The Board of Trustees of the Company may terminate the ESPP at its sole discretion at anytime.

Deferred Compensation

In January 2005, the Company adopted a Deferred Compensation Plan (the Plan) that allows trustees and certain key employees to voluntarily defer compensation. Compensation expense is recorded for the deferred compensation and a
related liability is recognized. Participants may elect designated benchmark investment options for the notational investment of their deferred compensation. The deferred compensation obligation is adjusted for deemed income or loss related to the
investments selected. At the time the participants defer compensation, the Company records a liability, which is included in the Companys consolidated balance sheet. The liability is adjusted for changes in the market value of the participants
selected investments at the end of each accounting period, and the impact of adjusting the liability is recorded as an increase or decrease to compensation cost. As of September 30, 2009 and 2008, the Company recorded a net increase in
compensation costs of $1.2 million and a reduction of $1.3 million, respectively, in connection with the Plan due to the change in market value of the participant investments in the Plan.

The deferred compensation obligations are unfunded, but the Company has purchased company-owned life insurance policies which can be utilized as a future
funding source for the obligations related to the Plan. Participants in the Plan have no interest in any assets set aside by the Company to meet its obligations under the deferral plan.

Participants in the Plan may elect to have all or a portion of their deferred compensation invested in the Companys common shares. The Company holds these shares in a rabbi trust, which is subject
to the claims of the Companys creditors in the event of the Companys bankruptcy or insolvency. The Plan does not provide for diversification of a participants deferral allocated to the Company common share and deferrals allocated
to Company common share can only be settled with a fixed number of shares. In accordance with the accounting standard for deferred compensation arrangements where amounts earned are held in a rabbi trust and invested, the deferred compensation
obligation associated with Companys common share is classified as a component of shareholders equity and the related shares are treated as shares to be issued and are included in total shares outstanding. At September 30, 2009 and
2008, there were 0.3 million and 0.2 million shares, respectively, to be issued included in total shares outstanding. Subsequent changes in the fair value of the common shares are not reflected in operations or shareholders equity of
the Company.



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September 30, 2009



14. TAX CREDIT TRANSACTIONS

Historic Tax Credit Transaction

On November 17, 2008, the Company closed a transaction with US Bancorp (USB) related to the historic rehabilitation of the 30th Street Post Office in Philadelphia, Pennsylvania
(Project), an 862,692 square foot office building which is 100% pre-leased to the Internal Revenue Service (expected commencement of the IRS lease is August 2010). USB has agreed to contribute approximately $67.9 million of Project costs
and advanced $10.2 million of that contemporaneously with the closing of the transaction. The remaining funds will be advanced in 2009 and 2010 subject to the Companys achievement of certain construction milestones and its compliance with the
federal rehabilitation regulations. In return for the investment, USB will, upon completion of the Project in 2010, receive substantially all of the rehabilitation credits available under section 47 of the Internal Revenue Code.

In exchange for its contributions into the Project, USB is entitled to substantially all of the benefits derived from the tax credit, but does not have a
material interest in the underlying economics of the property. This transaction also includes a put/call provision whereby the Company may be obligated or entitled to repurchase USBs interest in the Project. The Company believes the put will
be exercised and an amount attributed to that puttable non-controlling interest obligation is included in other liabilities.

Based on the
contractual arrangements that obligate the Company to deliver tax benefits and provide other guarantees to USB and that entitle the Company through fee arrangements to receive substantially all available cash flow from the Project, the Company
concluded that the Project should be consolidated in accordance with the accounting standard for consolidation. The Company also concluded that capital contributions received from USB, in substance, are consideration that the Company receives in
exchange for its obligation to deliver tax credits and other tax benefits to USB. These receipts other than the amounts allocated to the put obligation will be recognized as revenue in the consolidated financial statements beginning when the
obligation to USB is relieved upon delivery of the expected tax benefits net of any associated costs. The USB contribution made during 2008 of $10.0 million, net of the amount allocated to non-controlling interest of $0.2 million described above, is
included in other liabilities on the Companys consolidated balance sheet at September 30, 2009 and December 31, 2008. The Company anticipates that upon completion of the Project in 2010 it will begin to recognize the cash received as
revenue as the five year credit recapture period expires as defined in the Internal Revenue Code.

Direct and incremental costs incurred in
structuring the arrangement are deferred and amortized in proportion to the recognition of the related revenue. The deferred cost at September 30, 2009 is $2.3 million and is included in other assets on the Companys consolidated balance
sheet. Amounts included in interest expense related to the accretion of the non-controlling interest liability and the 2% return expected to be paid to USB on its non-controlling interest aggregate to $0.1 million for the nine months ended
September 30, 2009.

New Markets Tax Credit Transaction

On December 30, 2008, the Company entered into a transaction with USB related to the Cira Garage Project (garage project) in Philadelphia,
Pennsylvania and expects to receive a net benefit of $7.8 million under a qualified New Markets Tax Credit Program (NMTC). The NMTC was provided for in the Community Renewal Tax Relief Act of 2000 (the Act) and is intended to
induce investment capital in underserved and impoverished areas of the United States. The Act permits taxpayers (whether companies or individuals) to claim credits against their Federal income taxes for up to 39% of qualified investments in
qualified, active low-income businesses or ventures.

USB contributed $13.3 million into the garage project and as such they are entitled to
substantially all of the benefits derived from the tax credit, but they do not have a material interest in the underlying economics of the garage project. This transaction also includes a put/call provision whereby the Company may be obligated or
entitled to repurchase USBs interest. The Company believes the put will be exercised and an amount attributed to that puttable non controlling interest obligation is included in other liabilities.



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September 30, 2009



Based on the contractual arrangements that obligate the Company to deliver tax benefits and provide
various other guarantees to USB, the Company concluded that the project should be consolidated in accordance with FIN 46R. Proceeds received in exchange for the transfer of the tax credits will be recognized when the tax benefits are delivered
without risk of recapture to the tax credit investors and the Companys obligation is relieved. Accordingly, the USB contribution of $13.3 million is included in other liabilities on the Companys consolidated balance sheet at
September 30, 2009 and December 31, 2008.

Direct and incremental costs incurred in structuring the arrangement are deferred and
amortized over the expected duration of the arrangement in proportion to the recognition of the related revenue. The deferred asset at September 30, 2009 is $5.3 million and is included in other assets on the Companys consolidated balance
sheet.

The Company anticipates that it will recognize the net cash received as revenue within other income/expense in the year ended
December 31, 2015. The NMTC is subject to 100% recapture for a period of seven years.

15. SEGMENT INFORMATION

As of September 30, 2009, the Company manages its portfolio within six segments: (1) Pennsylvania, (2) Metropolitan Washington D.C,
(3) New Jersey/Delaware, (4) Richmond, Virginia, (5) California and (6) Austin, Texas. The Pennsylvania segment includes properties in Chester, Delaware, Bucks, and Montgomery counties in the Philadelphia suburbs and the City of
Philadelphia in Pennsylvania. The Metropolitan Washington, D.C. segment includes properties in Northern Virginia and suburban Maryland. The New Jersey/Delaware segment includes properties in Burlington, Camden and Mercer counties and counties in the
southern and central part of New Jersey and in New Castle county in the state of Delaware. The Richmond, Virginia segment includes properties primarily in Albemarle, Chesterfield, Goochland and Henrico counties and Durham, North Carolina. The
California segment includes properties in Oakland, Concord, Carlsbad and Rancho Bernardo. The Austin, Texas segment includes properties in Coppell and Austin. The corporate group is responsible for cash and investment management, development of
certain real estate properties during the construction period, and certain other general support functions. Land held for development and construction in progress are transferred to operating properties by region upon completion of the associated
construction or project.

The Austin, Texas segment was previously known as the Southwest segment. In order to provide specificity and to
reflect the disposition of properties in Dallas, Texas in 2007, the Company now considers this segment to be Austin, Texas. The California segment was previously broken out into California  North and California  South. Upon the
completion of the Northern California transaction in 2008, the Company owns three properties and two land parcels in Northern California. As a result, the California  North and the California  South segments, effective as of the fourth
quarter of 2008, are combined into the California segment. The Company has restated the corresponding items of segment information for the three and nine month periods ended September 30, 2008 to conform to the new presentation.



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September 30, 2009



Segment information is as follows (in thousands):



|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|---------------------------------------------------------------------------------- |  | ------------ | --------- | ------------------ | - | ------------------- |  | ----------------- | ------- | ---------- | - | ------------- |  | --------- | ------- |  | ----- | ------- |  | - | ------- | - |  | - | ---------
|                                                                                   |  | Pennsylvania |           | Metropolitan, D.C. |   | New Jersey/Delaware |  | Richmond,Virginia |         | California |   | Austin, Texas |  | Corporate |         |  | Total
|As of September 30, 2009:                                                          |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Real estate investments, at cost:                                                  |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Operating properties                                                               |  | $            | 1,724,866 |                    | $ | 1,365,086           |  | $                 | 600,191 |            | $ | 297,969       |  | $         | 248,549 |  | $     | 276,717 |  | $ |        |   |  | $ | 4,513,378
|Construction-in-progress                                                           |  | $            |          |                    | $ |                    |  | $                 |        |            | $ |              |  | $         |        |  | $     |        |  | $ | 229,259 |   |  | $ | 229,259  
|Land inventory                                                                     |  | $            |          |                    | $ |                    |  | $                 |        |            | $ |              |  | $         |        |  | $     |        |  | $ | 97,390  |   |  | $ | 97,390   
|                                                                                   |  |              |           |                    |   |                     |  |                  
|As of December 31, 2008:                                                           |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Real estate investments, at cost:                                                  |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Operating properties                                                               |  | $            | 1,734,948 |                    | $ | 1,371,997           |  | $                 | 674,503 |            | $ | 297,171       |  | $         | 248,876 |  | $     | 280,825 |  | $ |        |   |  | $ | 4,608,320
|Construction-in-progress                                                           |  | $            |          |                    | $ |                    |  | $                 |        |            | $ |              |  | $         |        |  | $     |        |  | $ | 122,219 |   |  | $ | 122,219  
|Land inventory                                                                     |  | $            |          |                    | $ |                    |  | $                 |        |            | $ |              |  | $         |        |  | $     |        |  | $ | 100,516 |   |  | $ | 100,516  
|                                                                                   |  |              |           |                    |   |                     |  |                  
|For the three-months ended September 30, 2009:                                     |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Total revenue                                                                      |  | $            | 59,156    |                    | $ | 35,412              |  | $                 | 26,241  |            | $ | 9,031         |  | $         | 8,572   |  | $     | 8,493   |  | $ | (312    | ) |  | $ | 146,593  
|Property operating expenses, real estate taxes and third party management expenses |  |              | 21,073    |                    |   | 12,552              |  |                   | 12,195  |            |   | 3,417         |  |           | 3,735   |  |       | 3,606   |  |   | (24     | ) |  |   | 56,554   
|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Net operating income                                                               |  | $            | 38,083    |                    | $ | 22,860              |  | $                 | 14,046  |            | $ | 5,614         |  | $         | 4,837   |  | $     | 4,887   |  | $ | (288    | ) |  | $ | 90,039   
|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|                                                                                   |  |              |           |                    |   |                     |  |                  
|For the three-months ended September 30, 2008:                                     |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Total revenue                                                                      |  | $            | 58,727    |                    | $ | 34,049              |  | $                 | 25,988  |            | $ | 9,400         |  | $         | 7,299   |  | $     | 9,352   |  | $ | (477    | ) |  | $ | 144,338  
|Property operating expenses, real estate taxes and third party management expenses |  |              | 21,692    |                    |   | 12,032              |  |                   | 13,027  |            |   | 3,132         |  |           | 2,293   |  |       | 3,958   |  |   | (679    | ) |  |   | 55,455   
|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Net operating income                                                               |  | $            | 37,035    |                    | $ | 22,017              |  | $                 | 12,961  |            | $ | 6,268         |  | $         | 5,006   |  | $     | 5,394   |  | $ | 202     |   |  | $ | 88,883   
|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|                                                                                   |  |              |           |                    |   |                     |  |                  
|For the nine-months ended September 30, 2009:                                      |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Total revenue                                                                      |  | $            | 178,215   |                    | $ | 105,222             |  | $                 | 77,136  |            | $ | 27,481        |  | $         | 22,104  |  | $     | 26,411  |  | $ | (985    | ) |  | $ | 435,584  
|Property operating expenses, real estate taxes and third party management expenses |  |              | 65,441    |                    |   | 39,304              |  |                   | 35,424  |            |   | 10,704        |  |           | 10,513  |  |       | 11,615  |  |   | (746    | ) |  |   | 172,255  
|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Net operating income                                                               |  | $            | 112,774   |                    | $ | 65,918              |  | $                 | 41,712  |            | $ | 16,777        |  | $         | 11,591  |  | $     | 14,796  |  | $ | (239    | ) |  | $ | 263,329  
|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|                                                                                   |  |              |           |                    |   |                     |  |                  
|For the nine-months ended September 30, 2008:                                      |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Total revenue                                                                      |  | $            | 183,073   |                    | $ | 102,538             |  | $                 | 77,681  |            | $ | 28,221        |  | $         | 21,938  |  | $     | 28,335  |  | $ | (1,475  | ) |  | $ | 440,311  
|Property operating expenses, real estate taxes and third party management expenses |  |              | 64,509    |                    |   | 36,264              |  |                   | 35,532  |            |   | 9,314         |  |           | 8,345   |  |       | 12,316  |  |   | 2,545   |   |  |   | 168,825  
|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Net operating income                                                               |  | $            | 118,564   |                    | $ | 66,274              |  | $                 | 42,149  |            | $ | 18,907        |  | $         | 13,593  |  | $     | 16,019  |  | $ | (4,020  | ) |  | $ | 271,486  
|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          



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September 30, 2009



Net operating income is defined as total revenue less property operating expenses, real estate taxes and
third party management expenses. Segment net operating income includes revenue, real estate taxes and property operating expenses directly related to operation and management of the properties owned and managed within the respective geographical
region. Segment net operating income excludes property level depreciation and amortization, revenue and expenses directly associated with third party real estate management services, expenses associated with corporate administrative support
services, and inter-company eliminations. Below is a reconciliation of consolidated net operating income to consolidated income from continuing operations:



|                                                            |  |                                        |         |   |                                       |   |         |      |  |   |          |   |  |   |          |  
|----------------------------------------------------------- |  | -------------------------------------- | ------- | - | ------------------------------------- | - | ------- | ---- |  | - | -------- | - |  | - | -------- | -
|                                                            |  | Three-month periodsended September 30, |         |   | Nine-month periodsended
September 30, |  
|                                                            |  | 2009                                   |         |   | 2008                                  |   |         | 2009 |  |   | 2008     |  
|Consolidated net operating income                           |  | $                                      | 90,039  |   |                                       | $ | 88,883  |      |  | $ | 263,329  |   |  | $ | 271,486  |  
|Less:                                                       |  |                                        |         |   |                                       |   |         |      |  |   |          |   |  |   |          |  
|Interest expense                                            |  |                                        | (31,455 | ) |                                       |   | (36,037 | )    |  |   | (102,045 | ) |  |   | (109,822 | )
|Deferred financing costs                                    |  |                                        | (1,579  | ) |                                       |   | (1,092  | )    |  |   | (4,725   | ) |  |   | (3,798   | )
|Recognized hedge activity                                   |  |                                        | (1,517  | ) |                                       |   |        |      |  |   | (1,822   | ) |  |   |         |  
|Depreciation and amortization                               |  |                                        | (51,422 | ) |                                       |   | (50,019 | )    |  |   | (155,852 | ) |  |   | (151,627 | )
|General & administrative expenses                           |  |                                        | (5,018  | ) |                                       |   | (6,863  | )    |  |   | (15,491  | ) |  |   | (17,902  | )
|Plus:                                                       |  |                                        |         |   |                                       |   |         |      |  |   |          |   |  |   |          |  
|Interest income                                             |  |                                        | 473     |   |                                       |   | 221     |      |  |   | 1,695    |   |  |   | 603      |  
|Equity in income of real estate ventures                    |  |                                        | 1,331   |   |                                       |   | 1,059   |      |  |   | 3,450    |   |  |   | 3,838    |  
|Net loss on sales of interests in undepreciated real estate |  |                                        |        |   |                                       |   |        |      |  |   |         |   |  |   | (24      | )
|Gain on early extinguishment of debt                        |  |                                        | 5,073   |   |                                       |   |        |      |  |   | 23,724   |   |  |   | 3,106    |  
|                                                            |  |                                        |         |   |                                       |   |         |      |  |   |          |   |  |   |          |  
|Income (loss) from continuing operations                    |  |                                        | 5,925   |   |                                       |   | (3,848  | )    |  |   | 12,263   |   |  |   | (4,140   | )
|Income (loss) from discontinued operations                  |  |                                        | 1,384   |   |                                       |   | 5,594   |      |  |   | (47      | ) |  |   | 27,696   |  
|                                                            |  |                                        |         |   |                                       |   |         |      |  |   |          |   |  |   |          |  
|Net income                                                  |  | $                                      | 7,309   |   |                                       | $ | 1,746   |      |  | $ | 12,216   |   |  | $ | 23,556   |  
|                                                            |  |                                        |         |   |                                       |   |         |      |  |   |          |   |  |   |          |  

16. COMMITMENTS AND CONTINGENCIES

Legal Proceedings

The Company is involved from time to time in litigation on various matters, including disputes with tenants and disputes arising out of agreements to purchase or sell properties. Given the nature of the Companys business activities,
these lawsuits are considered routine to the conduct of its business. The result of any particular lawsuit cannot be predicted, because of the very nature of litigation, the litigation process and its adversarial nature, and the jury system. The
Company does not expect that the liabilities, if any, that may ultimately result from such legal actions will have a material adverse effect on the consolidated financial position, results of operations or cash flows of the Company.

Environmental

As an
owner of real estate, the Company is subject to various environmental laws of federal, state, and local governments. The Companys compliance with existing laws has not had a material adverse effect on its financial condition and results of
operations, and the Company does not believe it will have a material adverse effect in the future. However, the Company cannot predict the impact of unforeseen environmental contingencies or new or changed laws or regulations on its current
Properties or on properties that the Company may acquire.

Ground Rent

Future minimum rental payments under the terms of all non-cancellable ground leases under which the Company is the lessee are expensed on a straight-line
basis regardless of when payments are due. Minimum future rental payments on non-cancelable leases at September 30, 2009 are as follows (in thousands):



|           |  |   |        
|---------- |  | - | -------
|2009       |  | $ | 497    
|2010       |  |   | 2,236  
|2011       |  |   | 2,318  
|2012       |  |   | 2,318  
|2013       |  |   | 2,318  
|Thereafter |  |   | 290,313



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##### Table of Contents

BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



One of the land leases for a property (currently under development) provides for contingent rent
participation by the lessor in certain capital transactions and net operating cash flows of the property after certain returns are achieved by the Company. Such amounts, if any, will be reflected as contingent rent when incurred. The leases also
provide for payment by the Company of certain operating costs relating to the land, primarily real estate taxes. The above schedule of future minimum rental payments does not include any contingent rent amounts nor any reimbursed expenses.

Other Commitments or Contingencies

As part of the Companys September 2004 acquisition of a portfolio of properties from The Rubenstein Company (which the Company refers to as the TRC acquisition), the Company acquired its interest in
Two Logan Square, a 702,006 square foot office building in Philadelphia, primarily through its ownership of a second and third mortgage secured by this property. This property is consolidated as the borrower is a variable interest entity and the
Company, through its ownership of the second and third mortgages, is the primary beneficiary. The Company currently does not expect to take title to Two Logan Square until, at the earliest, September 2019. If the Company takes fee title to Two Logan
Square upon a foreclosure of its mortgage, the Company has agreed to pay an unaffiliated third party that holds a residual interest in the fee owner of this property an amount equal to $0.6 million (if we must pay a state and local transfer taxes
upon taking title) and $2.9 million (if no transfer tax is payable upon the transfer).

The Company is currently being audited by the Internal
Revenue Service for its 2004 tax year. The audit concerns the tax treatment of the TRC transaction in September 2004 in which the Company acquired a portfolio of properties through the acquisition of a limited partnership. At this time it does
not appear that an adjustment would result in a material tax liability for the Company. However, an adjustment could raise a question as to whether a contributor of partnership interests in the 2004 transaction could assert a claim against the
Company under the tax protection agreement entered into as part of the transaction.

As part of the Companys 2006 acquisition of
Prentiss Properties Trust, the TRC acquisition in 2004 and several of our other transactions, the Company agreed not to sell certain of the properties it acquired in transactions that would trigger taxable income to the former owners. In the case of
the TRC acquisition, the Company agreed not to sell acquired properties for periods up to 15 years from the date of the TRC acquisition as follows at September 30, 2009: One Rodney Square and 130/150/170 Radnor Financial Center (January 2015);
and One Logan Square, Two Logan Square and Radnor Corporate Center (January 2020). In the Prentiss acquisition, the Company assumed the obligation of Prentiss not to sell Concord Airport Plaza before March 2018. The Companys agreements
generally provide that it may dispose of the subject properties only in transactions that qualify as tax-free exchanges under Section 1031 of the Internal Revenue Code or in other tax deferred transactions. If the Company were to sell a
restricted property before expiration of the restricted period in a non-exempt transaction, the Company may be required to make significant payments to the parties who sold it the applicable property on account of tax liabilities attributed to them.

The Company invests in its properties and regularly incurs capital expenditures in the ordinary course to maintain the properties. The
Company believes that such expenditures enhance our competitiveness. The Company also enters into construction, utility and service contracts in the ordinary course of business which may extend beyond one year. These contracts typically provide for
cancellation with insignificant or no cancellation penalties.

During 2008, in connection with our development of the Post Office project and
the garage project, the Company entered into a historic tax credit and new market tax credit arrangement, respectively (see Note 13). The Company is required to be in compliance with various laws, regulations and contractual provisions that apply to
its historic and new market tax credit arrangements. Non-compliance with applicable requirements could result in projected tax benefits not being realized and require a refund or



37



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BRANDYWINE REALTY TRUST

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



reduction of investor capital contributions, which are principally reported as deferred income within other liabilities in the Companys consolidated balance sheet, until such time as its
obligation to deliver tax benefits is relieved. The remaining compliance periods for its tax credit arrangements runs through 2015. The Company does not anticipate that any material refunds or reductions of investor capital contributions will be
required in connection with these arrangements.

On June 29, 2009, the Company entered into a forward financing commitment to borrow up
to $256.5 million under two separate loans which are secured by mortgages on the Post Office project, the garage project and by the leases of space at these facilities upon the completion of these projects (See Note 7). In order for funding to
occur, certain conditions must be met by the Company and primarily relate to the completion of the projects and the commencement of the rental payments from the respective leases on these properties. The expected funding date is scheduled on
August 26, 2010 which is also the anticipated completion date of the projects. In the event the said conditions were not met, the Company has the right to extend the funding date by paying an extension fee amounting to $1.8 million for each 30
day extension within the allowed two year extension period. In addition, the Company can also voluntarily elect to terminate the loans during the forward period including the extension period by paying a termination fee. The Company is also subject
to the termination fee if the conditions were not met on the final advance date. The termination fee is calculated as the greater of the 0.5% of the total available principal to be funded or the difference between the present value of the scheduled
interest and principal payments (based on the principal amount to be funded and the then 20-year treasury rate plus 50 basis points) from the funding date through the loans maturity date and the amount to be funded. In addition, deferred
financing costs related to these loans will be accelerated if the Company chose to terminate the forward financing commitment.

17.
SUBSEQUENT EVENTS

On October 1, 2009, the Company sold two office properties, totaling 473,658 net rentable square feet in Trenton,
New Jersey for an aggregate sales price of $85.0 million. The Company provided to the buyer a $22.5 million seven-year, approximately 6.00% cash pay/7.64% accrual second mortgage loan.

On October 13, 2009, the Company sold a condominium interest in an office building consisting of 40,508 square feet in Lawrenceville, New Jersey, for a sales price of $7.9 million.

The Company has evaluated subsequent events through November 6, 2009, the date the financial statements were issued.



38



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##### Table of Contents

PART I - FINANCIAL INFORMATION

Item 1. - Financial Statements

BRANDYWINE OPERATING PARTNERSHIP, L.P.

CONSOLIDATED BALANCE SHEETS

(unaudited, in thousands, except unit and per unit information)



|                                                                                                                                                                                    |  |                   |           |   |                                |   |           |  
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |  | ----------------- | --------- | - | ------------------------------ | - | --------- | -
|                                                                                                                                                                                    |  | September 30,2009 |           |   | December 31,2008 (as adjusted) |  
|ASSETS                                                                                                                                                                              |  |                   |           |   |                                |   |           |  
|Real estate investments:                                                                                                                                                            |  |                   |           |   |                                |   |           |  
|Operating properties                                                                                                                                                                |  | $                 | 4,513,378 |   |                                | $ | 4,608,320 |  
|Accumulated depreciation                                                                                                                                                            |  |                   | (695,870  | ) |                                |   | (639,688  | )
|                                                                                                                                                                                    |  |                   |           |   |                                |   |           |  
|Operating real estate investments, net                                                                                                                                              |  |                   | 3,817,508 |   |                                |   | 3,968,632 |  
|Construction-in-progress                                                                                                                                                            |  |                   | 229,259   |   |                                |   | 122,219   |  
|Land inventory                                                                                                                                                                      |  |                   | 97,390    |   |                                |   | 100,516   |  
|                                                                                                                                                                                    |  |                   |           |   |                                |   |           |  
|Total real estate investments, net                                                                                                                                                  |  |                   | 4,144,157 |   |                                |   | 4,191,367 |  
|                                                                                                                                                                                    |  |                  
|Cash and cash equivalents                                                                                                                                                           |  |                   | 3,296     |   |                                |   | 3,924     |  
|Cash in escrow                                                                                                                                                                      |  |                   |          |   |                                |   | 31,385    |  
|Accounts receivable, net                                                                                                                                                            |  |                   | 7,282     |   |                                |   | 11,762    |  
|Accrued rent receivable, net                                                                                                                                                        |  |                   | 85,708    |   |                                |   | 86,362    |  
|Asset held for sale, net                                                                                                                                                            |  |                   | 74,006    |   |                                |   |          |  
|Investment in real estate ventures, at equity                                                                                                                                       |  |                   | 75,929    |   |                                |   | 71,028    |  
|Deferred costs, net                                                                                                                                                                 |  |                   | 109,503   |   |                                |   | 89,327    |  
|Intangible assets, net                                                                                                                                                              |  |                   | 114,080   |   |                                |   | 145,757   |  
|Notes receivable                                                                                                                                                                    |  |                   | 49,114    |   |                                |   | 48,048    |  
|Other assets                                                                                                                                                                        |  |                   | 58,227    |   |                                |   | 59,008    |  
|                                                                                                                                                                                    |  |                   |           |   |                                |   |           |  
|                                                                                                                                                                                    |  |                  
|Total assets                                                                                                                                                                        |  | $                 | 4,721,302 |   |                                | $ | 4,737,968 |  
|                                                                                                                                                                                    |  |                   |           |   |                                |   |           |  
|                                                                                                                                                                                    |  |                  
|LIABILITIES AND EQUITY                                                                                                                                                              |  |                   |           |   |                                |   |           |  
|Mortgage notes payable                                                                                                                                                              |  | $                 | 554,616   |   |                                | $ | 487,525   |  
|Borrowing under credit facilities                                                                                                                                                   |  |                   |          |   |                                |   | 153,000   |  
|Unsecured term loan                                                                                                                                                                 |  |                   | 183,000   |   |                                |   | 183,000   |  
|Unsecured senior notes, net of discounts                                                                                                                                            |  |                   | 1,771,903 |   |                                |   | 1,917,970 |  
|Accounts payable and accrued expenses                                                                                                                                               |  |                   | 96,877    |   |                                |   | 74,824    |  
|Distributions payable                                                                                                                                                               |  |                   | 15,238    |   |                                |   | 29,288    |  
|Tenant security deposits and deferred rents                                                                                                                                         |  |                   | 52,012    |   |                                |   | 58,692    |  
|Acquired below market leases, net                                                                                                                                                   |  |                   | 39,639    |   |                                |   | 47,626    |  
|Other liabilities                                                                                                                                                                   |  |                   | 61,539    |   |                                |   | 63,545    |  
|Liabilities related to assets held for sale                                                                                                                                         |  |                   | 666       |   |                                |   |          |  
|                                                                                                                                                                                    |  |                   |           |   |                                |   |           |  
|Total liabilities                                                                                                                                                                   |  |                   | 2,775,490 |   |                                |   | 3,015,470 |  
|                                                                                                                                                                                    |  |                  
|Commitments and contingencies (Note 15)                                                                                                                                             |  |                   |           |   |                                |   |           |  
|                                                                                                                                                                                    |  |                  
|Redeemable limited partnership units                                                                                                                                                |  |                   |           |   |                                |   |           |  
|2,816,621 issued and outstanding in 2009 and 2008.                                                                                                                                  |  |                   | 43,699    |   |                                |   | 54,166    |  
|                                                                                                                                                                                    |  |                  
|Brandywine Operating Partnerships equity:                                                                                                                                          |  |                   |           |   |                                |   |           |  
|7.50% Series D Preferred Mirror Units; 2,000,000 issued and outstanding in 2009 and 2008                                                                                            |  |                   | 47,912    |   |                                |   | 47,912    |  
|7.375% Series E Preferred Mirror Units; 2,300,000 issued and outstanding in 2009 and 2008                                                                                           |  |                   | 55,538    |   |                                |   | 55,538    |  
|General Partnership Capital, 128,849,176 and 88,610,053 units issued in 2009 and 2008, respectively and 128,582,334 and
88,158,937 units outstanding in 2009 and 2008, respectively |  |                   | 1,809,186 |   |                                |   | 1,581,887 |  
|Accumulated other comprehensive loss                                                                                                                                                |  |                   | (10,666   | ) |                                |   | (17,005   | )
|                                                                                                                                                                                    |  |                   |           |   |                                |   |           |  
|Total Brandywine Operating Partnerships equity                                                                                                                                     |  |                   | 1,901,970 |   |                                |   | 1,668,332 |  
|                                                                                                                                                                                    |  |                  
|Non-controlling interest - consolidated real estate ventures                                                                                                                        |  |                   | 143       |   |                                |   |          |  
|                                                                                                                                                                                    |  |                   |           |   |                                |   |           |  
|Total equity                                                                                                                                                                        |  |                   | 1,902,113 |   |                                |   | 1,668,332 |  
|                                                                                                                                                                                    |  |                   |           |   |                                |   |           |  
|                                                                                                                                                                                    |  |                  
|Total liabilities and equity                                                                                                                                                        |  | $                 | 4,721,302 |   |                                | $ | 4,737,968 |  
|                                                                                                                                                                                    |  |                   |           |   |                                |   |           |  

The accompanying notes are an integral part of these consolidated financial
statements.



39



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##### Table of Contents

BRANDYWINE OPERATING PARTNERSHIP, L.P.

CONSOLIDATED STATEMENTS OF OPERATIONS

(unaudited, in thousands, except unit and per unit information)



|                                                                   |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|------------------------------------------------------------------ |  | --------------------------------- | ----------- | - | -------------------------------- | - | ---------- | ---- |  | - | ------------------ | - |  | - | ---------- | -
|                                                                   |  | For the three-month periods ended |             |   | For the nine-month periods ended |  
|                                                                   |  | September 30,                     |             |   | September 30,                    |  
|                                                                   |  | 2009                              |             |   | 2008 (as adjusted)               |   |            | 2009 |  |   | 2008 (as adjusted) |  
|Revenue:                                                           |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|Rents                                                              |  | $                                 | 119,599     |   |                                  | $ | 120,285    |      |  | $ | 359,513            |   |  | $ | 362,342    |  
|Tenant reimbursements                                              |  |                                   | 19,164      |   |                                  |   | 18,553     |      |  |   | 56,853             |   |  |   | 55,920     |  
|Termination fees                                                   |  |                                   | 1,764       |   |                                  |   | 338        |      |  |   | 2,840              |   |  |   | 4,462      |  
|Third party management fees, labor reimbursement and leasing       |  |                                   | 5,194       |   |                                  |   | 4,390      |      |  |   | 14,055             |   |  |   | 15,239     |  
|Other                                                              |  |                                   | 872         |   |                                  |   | 772        |      |  |   | 2,323              |   |  |   | 2,348      |  
|                                                                   |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|Total revenue                                                      |  |                                   | 146,593     |   |                                  |   | 144,338    |      |  |   | 435,584            |   |  |   | 440,311    |  
|                                                                   |  |                                   |             |  
|Operating Expenses:                                                |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|Property operating expenses                                        |  |                                   | 40,050      |   |                                  |   | 39,143     |      |  |   | 122,857            |   |  |   | 118,032    |  
|Real estate taxes                                                  |  |                                   | 14,248      |   |                                  |   | 14,522     |      |  |   | 43,059             |   |  |   | 44,376     |  
|Third party management expenses                                    |  |                                   | 2,256       |   |                                  |   | 1,790      |      |  |   | 6,339              |   |  |   | 6,417      |  
|Depreciation and amortization                                      |  |                                   | 51,422      |   |                                  |   | 50,019     |      |  |   | 155,852            |   |  |   | 151,627    |  
|General & administrative expenses                                  |  |                                   | 5,018       |   |                                  |   | 6,863      |      |  |   | 15,491             |   |  |   | 17,902     |  
|                                                                   |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|Total operating expenses                                           |  |                                   | 112,994     |   |                                  |   | 112,337    |      |  |   | 343,598            |   |  |   | 338,354    |  
|                                                                   |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|                                                                   |  |                                   |             |  
|Operating income                                                   |  |                                   | 33,599      |   |                                  |   | 32,001     |      |  |   | 91,986             |   |  |   | 101,957    |  
|                                                                   |  |                                   |             |  
|Other Income (Expense):                                            |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|Interest income                                                    |  |                                   | 473         |   |                                  |   | 221        |      |  |   | 1,695              |   |  |   | 603        |  
|Interest expense                                                   |  |                                   | (31,455     | ) |                                  |   | (36,037    | )    |  |   | (102,045           | ) |  |   | (109,822   | )
|Interest expense - Deferred financing costs                        |  |                                   | (1,579      | ) |                                  |   | (1,092     | )    |  |   | (4,725             | ) |  |   | (3,798     | )
|Recognized hedge activity                                          |  |                                   | (1,517      | ) |                                  |   |           |      |  |   | (1,822             | ) |  |   |           |  
|Equity in income of real estate ventures                           |  |                                   | 1,331       |   |                                  |   | 1,059      |      |  |   | 3,450              |   |  |   | 3,838      |  
|Net loss on disposition of undepreciated real estate               |  |                                   |            |   |                                  |   |           |      |  |   |                   |   |  |   | (24        | )
|Gain on early extinguishment of debt                               |  |                                   | 5,073       |   |                                  |   |           |      |  |   | 23,724             |   |  |   | 3,106      |  
|                                                                   |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|Income (loss) from continuing operations                           |  |                                   | 5,925       |   |                                  |   | (3,848     | )    |  |   | 12,263             |   |  |   | (4,140     | )
|                                                                   |  |                                   |             |  
|Discontinued operations:                                           |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|Income from discontinued operations                                |  |                                   | 1,390       |   |                                  |   | 5,594      |      |  |   | 4,690              |   |  |   | 13,145     |  
|Net gain on disposition of discontinued operations                 |  |                                   | (6          | ) |                                  |   |           |      |  |   | (1,037             | ) |  |   | 21,401     |  
|Provision for impairment                                           |  |                                   |            |   |                                  |   |           |      |  |   | (3,700             | ) |  |   | (6,850     | )
|                                                                   |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|                                                                   |  |                                   | 1,384       |   |                                  |   | 5,594      |      |  |   | (47                | ) |  |   | 27,696     |  
|                                                                   |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|                                                                   |  |                                   |             |  
|Net income                                                         |  |                                   | 7,309       |   |                                  |   | 1,746      |      |  |   | 12,216             |   |  |   | 23,556     |  
|                                                                   |  |                                   |             |  
|Net income allocated to non-controlling interests                  |  |                                   | (47         | ) |                                  |   | (39        | )    |  |   | (69                | ) |  |   | (117       | )
|                                                                   |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|                                                                   |  |                                   |             |  
|Net income attributable to Brandywine Operating Partnership        |  |                                   | 7,262       |   |                                  |   | 1,707      |      |  |   | 12,147             |   |  |   | 23,439     |  
|Preferred share dividends                                          |  |                                   | (1,998      | ) |                                  |   | (1,998     | )    |  |   | (5,994             | ) |  |   | (5,994     | )
|Amount allocated to unvested restricted shareholders               |  |                                   | (73         | ) |                                  |   | (226       | )    |  |   | (183               | ) |  |   | (620       | )
|                                                                   |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|Income allocated to Common Partnership Units                       |  | $                                 | 5,191       |   |                                  | $ | (517       | )    |  | $ | 5,970              |   |  | $ | 16,825     |  
|                                                                   |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|                                                                   |  |                                   |             |  
|Basic earnings (loss) per Common Partnership Unit:                 |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|Continuing operations                                              |  | $                                 | 0.03        |   |                                  | $ | (0.07      | )    |  | $ | 0.06               |   |  | $ | (0.12      | )
|Discontinued operations                                            |  |                                   | 0.01        |   |                                  |   | 0.06       |      |  |   | (0.01              | ) |  |   | 0.31       |  
|                                                                   |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|                                                                   |  | $                                 | 0.04        |   |                                  | $ | (0.01      | )    |  | $ | 0.05               |   |  | $ | 0.19       |  
|                                                                   |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|                                                                   |  |                                   |             |  
|Diluted earnings (loss) per Common Partnership Unit:               |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|Continuing operations                                              |  | $                                 | 0.03        |   |                                  | $ | (0.07      | )    |  | $ | 0.05               |   |  | $ | (0.12      | )
|Discontinued operations                                            |  |                                   | 0.01        |   |                                  |   | 0.06       |      |  |   | (0.00              | ) |  |   | 0.31       |  
|                                                                   |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|                                                                   |  | $                                 | 0.04        |   |                                  | $ | (0.01      | )    |  | $ | 0.05               |   |  | $ | 0.19       |  
|                                                                   |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|                                                                   |  |                                   |             |  
|Basic weighted average common partnership units outstanding        |  |                                   | 131,399,119 |   |                                  |   | 90,512,513 |      |  |   | 109,090,130        |   |  |   | 90,239,729 |  
|                                                                   |  |                                   |             |  
|Diluted weighted average common partnership units outstanding      |  |                                   | 132,742,731 |   |                                  |   | 90,512,513 |      |  |   | 110,023,172        |   |  |   | 90,253,754 |  
|                                                                   |  |                                   |             |  
|Net (loss) income attributable to Brandywine Operating Partnership |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|Income (loss) from continuing operations                           |  | $                                 | 5,878       |   |                                  | $ | (3,887     | )    |  | $ | 12,194             |   |  | $ | (4,257     | )
|Income (loss) from discontinued operations                         |  |                                   | 1,384       |   |                                  |   | 5,594      |      |  |   | (47                | ) |  |   | 27,696     |  
|                                                                   |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  
|Net income                                                         |  | $                                 | 7,262       |   |                                  | $ | 1,707      |      |  | $ | 12,147             |   |  | $ | 23,439     |  
|                                                                   |  |                                   |             |   |                                  |   |            |      |  |   |                    |   |  |   |            |  

The accompanying notes are an integral part of these consolidated financial
statements.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

CONSOLIDATED STATEMENTS OF OTHER COMPREHENSIVE INCOME

(unaudited, in thousands)



|                                                                                            |  |                                                |       |   |                                               |   |        |      |  |   |                    |   |  |   |        |  
|------------------------------------------------------------------------------------------- |  | ---------------------------------------------- | ----- | - | --------------------------------------------- | - | ------ | ---- |  | - | ------------------ | - |  | - | ------ | -
|                                                                                            |  | For the three-month periodsended September 30, |       |   | For the nine-month periodsended September 30, |  
|                                                                                            |  | 2009                                           |       |   | 2008 (as adjusted)                            |   |        | 2009 |  |   | 2008 (as adjusted) |  
|                                                                                            |  |                                                |       |  
|Net income                                                                                  |  | $                                              | 7,309 |   |                                               | $ | 1,746  |      |  | $ | 12,216             |   |  | $ | 23,556 |  
|Other comprehensive income (loss):                                                          |  |                                                |       |   |                                               |   |        |      |  |   |                    |   |  |   |        |  
|Unrealized gain (loss) on derivative financial instruments                                  |  |                                                | 328   |   |                                               |   | (1,664 | )    |  |   | 6,399              |   |  |   | (1,139 | )
|Reclassification of realized (gains) on derivative financial instruments to operations, net |  |                                                | (20   | ) |                                               |   | (20    | )    |  |   | (60                | ) |  |   | (60    | )
|Unrealized gain on available-for-sale securities                                            |  |                                                |      |   |                                               |   |       |      |  |   |                   |   |  |   | 248    |  
|                                                                                            |  |                                                |       |   |                                               |   |        |      |  |   |                    |   |  |   |        |  
|Total other comprehensive income (loss)                                                     |  |                                                | 308   |   |                                               |   | (1,684 | )    |  |   | 6,339              |   |  |   | (951   | )
|                                                                                            |  |                                                |       |   |                                               |   |        |      |  |   |                    |   |  |   |        |  
|Comprehensive income                                                                        |  | $                                              | 7,617 |   |                                               | $ | 62     |      |  | $ | 18,555             |   |  | $ | 22,605 |  
|                                                                                            |  |                                                |       |   |                                               |   |        |      |  |   |                    |   |  |   |        |  
|Comprehensive income attributable to non-controlling interests                              |  |                                                | (47   | ) |                                               |   | (39    | )    |  |   | (69                | ) |  |   | (117   | )
|                                                                                            |  |                                                |       |   |                                               |   |        |      |  |   |                    |   |  |   |        |  
|Comprehensive income attributable to Brandywine Operating Partnership                       |  | $                                              | 7,570 |   |                                               | $ | 23     |      |  | $ | 18,486             |   |  | $ | 22,488 |  
|                                                                                            |  |                                                |       |   |                                               |   |        |      |  |   |                    |   |  |   |        |  

The accompanying notes are an integral part of these consolidated financial
statements.



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BRANDYWINE OPERATING PARTNERSHIP L.P.

CONSOLIDATED STATEMENTS OF CASH FLOWS

(unaudited, in thousands)



|                                                                                          |  |                                        |          |   |                    |   |          |  
|----------------------------------------------------------------------------------------- |  | -------------------------------------- | -------- | - | ------------------ | - | -------- | -
|                                                                                          |  | Nine -month periodsended September
30, |         
|                                                                                          |  | 2009                                   |          |   | 2008 (as adjusted) |  
|Cash flows from operating activities:                                                     |  |                                        |          |   |                    |   |          |  
|Net income                                                                                |  | $                                      | 12,216   |   |                    | $ | 23,556   |  
|Adjustments to reconcile net income to net cash from operating activities:                |  |                                        |          |   |                    |   |          |  
|Depreciation                                                                              |  |                                        | 119,432  |   |                    |   | 120,185  |  
|Amortization:                                                                             |  |                                        |          |   |                    |   |          |  
|Deferred financing costs                                                                  |  |                                        | 4,725    |   |                    |   | 3,799    |  
|Amortization of debt discount                                                             |  |                                        | 3,015    |   |                    |   | 4,518    |  
|Deferred leasing costs                                                                    |  |                                        | 13,472   |   |                    |   | 12,306   |  
|Acquired above (below) market leases, net                                                 |  |                                        | (4,827   | ) |                    |   | (6,493   | )
|Acquired lease intangibles                                                                |  |                                        | 24,926   |   |                    |   | 31,589   |  
|Deferred compensation costs                                                               |  |                                        | 3,880    |   |                    |   | 3,952    |  
|Recognized hedge activity                                                                 |  |                                        | 1,822    |   |                    |   |         |  
|Straight-line rent                                                                        |  |                                        | (6,778   | ) |                    |   | (13,730  | )
|Provision for doubtful accounts                                                           |  |                                        | 4,643    |   |                    |   | 3,150    |  
|Provision for impairment in real estate                                                   |  |                                        | 3,700    |   |                    |   | 6,850    |  
|Real estate venture income in excess of distributions                                     |  |                                        | (1,450   | ) |                    |   | (569     | )
|Net gain on sale of interests in real estate                                              |  |                                        | 1,038    |   |                    |   | (21,377  | )
|Gain on early extinguishment of debt                                                      |  |                                        | (23,724  | ) |                    |   | (3,106   | )
|Cumulative interest accretion on repayments of unsecured notes                            |  |                                        | (3,730   | ) |                    |   | (435     | )
|Changes in assets and liabilities:                                                        |  |                                        |          |   |                    |   |          |  
|Accounts receivable                                                                       |  |                                        | 3,827    |   |                    |   | 7,046    |  
|Other assets                                                                              |  |                                        | (8,243   | ) |                    |   | (7,145   | )
|Accounts payable and accrued expenses                                                     |  |                                        | 18,102   |   |                    |   | 24,497   |  
|Tenant security deposits and deferred rents                                               |  |                                        | (4,594   | ) |                    |   | (4,851   | )
|Other liabilities                                                                         |  |                                        | 1,647    |   |                    |   | (3,592   | )
|                                                                                          |  |                                        |          |   |                    |   |          |  
|Net cash from operating activities                                                        |  |                                        | 163,099  |   |                    |   | 180,150  |  
|Cash flows from investing activities:                                                     |  |                                        |          |   |                    |   |          |  
|Sales of properties, net                                                                  |  |                                        | 33,354   |   |                    |   | 53,601   |  
|Capital expenditures                                                                      |  |                                        | (157,348 | ) |                    |   | (130,717 | )
|Investment in unconsolidated real estate ventures                                         |  |                                        | (14,980  | ) |                    |   | (853     | )
|Escrowed cash                                                                             |  |                                        | 31,385   |   |                    |   |         |  
|Cash distributions from unconsolidated real estate ventures in excess of equity in income |  |                                        | 11,528   |   |                    |   | 1,984    |  
|Leasing costs                                                                             |  |                                        | (22,687  | ) |                    |   | (7,302   | )
|                                                                                          |  |                                        |          |   |                    |   |          |  
|Net cash used in investing activities                                                     |  |                                        | (118,748 | ) |                    |   | (83,287  | )
|Cash flows from financing activities:                                                     |  |                                        |          |   |                    |   |          |  
|Proceeds from Credit Facility borrowings                                                  |  |                                        | 806,000  |   |                    |   | 302,000  |  
|Repayments of Credit Facility borrowings                                                  |  |                                        | (959,000 | ) |                    |   | (257,727 | )
|Proceeds from mortgage notes payable                                                      |  |                                        | 149,800  |   |                    |   |         |  
|Repayments of mortgage notes payable                                                      |  |                                        | (81,558  | ) |                    |   | (21,946  | )
|Proceeds from unsecured                                                                   |  |                                        | 247,030  |   |                    |   | 33,000   |  
|Repayments of unsecured notes                                                             |  |                                        | (369,862 | ) |                    |   | (27,958  | )
|Debt financing costs                                                                      |  |                                        | (24,354  | ) |                    |   | (273     | )
|Net proceeds from Issuance of Common Partnership Units                                    |  |                                        | 242,332  |   |                    |   |         |  
|Distributions paid to preferred and common partnership unitholders                        |  |                                        | (55,367  | ) |                    |   | (126,885 | )
|                                                                                          |  |                                        |          |   |                    |   |          |  
|Net cash used in financing activities                                                     |  |                                        | (44,979  | ) |                    |   | (99,789  | )
|                                                                                          |  |                                        |          |   |                    |   |          |  
|Increase (decrease) in cash and cash equivalents                                          |  |                                        | (628     | ) |                    |   | (2,926   | )
|Cash and cash equivalents at beginning of period                                          |  |                                        | 3,924    |   |                    |   | 5,600    |  
|                                                                                          |  |                                        |          |   |                    |   |          |  
|Cash and cash equivalents at end of period                                                |  | $                                      | 3,296    |   |                    | $ | 2,674    |  
|                                                                                          |  |                                        |          |   |                    |   |          |  
|Supplemental disclosure:                                                                  |  |                                        |          |   |                    |   |          |  
|Cash paid for interest, net of capitalized interest                                       |  | $                                      | 92,309   |   |                    | $ | 110,121  |  
|                                                                                          |  |                                       
|Supplemental disclosure of non-cash activity:                                             |  |                                        |          |   |                    |   |          |  
|Change in capital expenditures financed through accounts payable                          |  | $                                      | 8,290    |   |                    | $ | 1,072    |  

The accompanying notes are an integral part of these consolidated financial
statements.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

September 30, 2009

1. THE PARTNERSHIP

Brandywine Operating Partnership, L.P. (the Partnership) is the entity through which Brandywine Realty Trust, a Maryland real estate investment
trust (the Company), a self-administered and self-managed real estate investment trust, conducts its business and own its assets. The Partnerships activities include acquiring, developing, redeveloping, leasing and managing office
and industrial properties. The Companys common shares of beneficial interest are publicly traded on the New York Stock Exchange under the ticker symbol BDN.

As of September 30, 2009, the Partnership owned 213 office properties, 22 industrial facilities and three mixed-use properties (collectively, the Properties) containing an aggregate of
approximately 23.7 million net rentable square feet. The Partnership also has two properties under development and four properties under redevelopment containing an aggregate 2.0 million net rentable square feet. As of September 30,
2009, the Partnership consolidates three office properties owned by real estate ventures containing 0.4 million net rentable square feet. Therefore, the Company owns and consolidates 247 properties with an aggregate of 26.1 million net
rentable square feet. In addition, as of September 30, 2009, the Company owned economic interests in 11 unconsolidated real estate ventures that contain approximately 4.2 million net rentable square feet (collectively, the Real
Estate Ventures). The Properties and the properties owned by the Real Estate Ventures are located in or near Philadelphia, Pennsylvania, Metropolitan Washington, D.C., Southern and Central New Jersey, Richmond, Virginia, Wilmington, Delaware,
Austin, Texas and Oakland, Carlsbad and Rancho Bernardo, California. The Company is the sole general partner of the Operating Partnership and, as of September 30, 2009, owned a 97.9% interest in the Operating Partnership. The Partnership
conducts its third-party real estate management services business primarily through wholly-owned management company subsidiaries.

As of
September 30, 2009, the management company subsidiaries were managing properties containing an aggregate of approximately 36.5 million net rentable square feet, of which approximately 25.8 million net rentable square feet related to
Properties owned by the Partnership and approximately 10.7 million net rentable square feet related to properties owned by third parties and Real Estate Ventures.

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The consolidated financial statements have been prepared by the Partnership pursuant to the rules and regulations of the U.S.
Securities and Exchange Commission (SEC). Certain information and footnote disclosures normally included in the financial statements prepared in accordance with accounting principles generally accepted in the United States of America
have been condensed or omitted pursuant to such rules and regulations. In the opinion of management, all adjustments (consisting solely of normal recurring matters) for a fair statement of the financial position of the Partnership as of
September 30, 2009, the results of its operations for the three-and nine-month periods ended September 30, 2009 and 2008 and its cash flows for the nine-month periods ended September 30, 2009 and 2008 have been included. The results
of operations for such interim periods are not necessarily indicative of the results for a full year. These consolidated financial statements should be read in conjunction with the Partnerships consolidated financial statements and footnotes
included in the Partnerships 2008 Annual Report on Form 10-K filed with the SEC on March 2, 2009.

Reclassifications and Revisions

Certain amounts have been reclassified in prior years to conform to the current year
presentation. The reclassifications are primarily due to the treatment of sold or held for sale properties as discontinued operations on the statement of operations for all periods presented and the adoption of new accounting pronouncements.

See Accounting Pronouncements Adopted January 1, 2009 on a Retrospective Basis for details pertaining to the changes to
prior periods resulting from the adoption of new accounting pronouncements.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



Principles of Consolidation

When the Partnership obtains an economic interest in an entity, the Partnership evaluates the entity to determine if the entity is deemed a variable interest
entity (VIE), and if the Partnership is deemed to be the primary beneficiary, in accordance with the accounting standard for the consolidation of variable interest entities. When an entity is not deemed to be a VIE, the Partnership
considers the provisions of the same accounting standard to determine whether a general partner, or the general partners as a group, controls a limited partnership or similar entity when the limited partner have certain rights. The Partnership
consolidates (i) entities that are VIEs and of which the Partnership is deemed to be the primary beneficiary and (ii) entities that are non-VIEs which the Partnership controls and the limited partners neither have the ability to dissolve
the entity or remove the Partnership without cause nor any substantive participating rights. Entities that the Partnership accounts for under the equity method (i.e., at cost, increased or decreased by the Partnerships share of earnings
or losses, plus contributions, less distributions) include (i) entities that are VIEs and of which the Partnership is not deemed to be the primary beneficiary (ii) entities that are non-VIEs which the Partnership does not control, but over
which the Partnership has the ability to exercise significant influence and (iii) entities that are non-VIEs that the Partnership controls through its general partner status, but the limited partners in the entity have the substantive
ability to dissolve the entity or remove the Partnership without cause or have substantive participating rights. The Partnership will reconsider its determination of whether an entity is a VIE and who the primary beneficiary is, and whether or
not the limited partners in an entity have substantive rights, if certain events occur that are likely to cause a change in the original determinations. The portion of these entities not owned by the Partnership is presented as non-controlling
interest as of and during the periods consolidated. All intercompany accounts and transactions have been eliminated in consolidation.

Use of Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in
the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the
reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates. Management makes significant estimates regarding revenue, valuation of real estate and related intangible assets and liabilities,
impairment of long-lived assets, allowance for doubtful accounts and deferred costs.

Operating Properties

Operating properties are carried at historical cost less accumulated depreciation and impairment losses. The cost of operating
properties reflects their purchase price or development cost. Costs incurred for the acquisition and renovation of an operating property are capitalized to the Partnerships investment in that property. Ordinary repairs and maintenance are
expensed as incurred; major replacements and betterments, which improve or extend the life of the asset, are capitalized and depreciated over their estimated useful lives. Fully-depreciated assets are removed from the accounts.

Purchase Price Allocation

The Partnership allocates the purchase price of properties to net tangible and identified intangible assets acquired based on fair values. Above-market and below-market in-place lease values for acquired properties are recorded based on the
present value (using an interest rate which reflects the risks associated with the leases acquired) of the difference between (i) the contractual amounts to be paid pursuant to the in-place leases and (ii) the Partnerships estimate
of the fair market lease rates for the corresponding in-place leases, measured over a period equal to the remaining non-cancelable term of the lease. Capitalized above-market lease values are amortized as a reduction of rental income over the
remaining non-cancelable terms of the respective leases. Capitalized below-market lease values are amortized as an increase to rental income over the remaining non-cancelable terms of the respective leases, including any below market fixed-rate
renewal periods.

Other intangible assets also include amounts representing the value of tenant relationships and in-place leases based on the
Partnerships evaluation of the specific characteristics of each tenants lease and the Partnerships overall relationship with the respective tenant. The Partnership estimates the cost to execute leases with terms similar to the
remaining lease terms of the in-place



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



leases, including leasing commissions, legal and other related expenses. This intangible asset is amortized to expense over the remaining term of the respective leases. Partnership estimates of
value are made using methods similar to those used by independent appraisers or by using independent appraisals. Factors considered by the Partnership in this analysis include an estimate of the carrying costs during the expected lease-up periods
considering current market conditions and costs to execute similar leases. In estimating carrying costs, the Partnership includes real estate taxes, insurance and other operating expenses and estimates of lost rentals at market rates during the
expected lease-up periods, which primarily range from three to twelve months. The Partnership also considers information obtained about each property as a result of its pre-acquisition due diligence, marketing and leasing activities in estimating
the fair value of the tangible and intangible assets acquired. The Partnership also uses the information obtained as a result of its pre-acquisition due diligence as part of its consideration of the accounting standard governing asset retirement
obligations and when necessary, will record a conditional asset retirement obligation as part of its purchase price.

Characteristics
considered by the Partnership in allocating value to its tenant relationships include the nature and extent of the Partnerships business relationship with the tenant, growth prospects for developing new business with the tenant, the
tenants credit quality and expectations of lease renewals, among other factors. The value of tenant relationship intangibles is amortized over the remaining initial lease term and expected renewals, but in no event longer than the remaining
depreciable life of the building. The value of in-place leases is amortized over the remaining non-cancelable term of the respective leases and any below market fixed-rate renewal periods.

In the event that a tenant terminates its lease, the unamortized portion of each intangible, including market rate adjustments (above or below), in-place
lease values and tenant relationship values, would be charged to expense and market rate adjustments would be recorded to revenue.

Impairment or Disposal of Long-Lived Assets

The accounting standard for property, plant and equipment provides a single
accounting model for long-lived assets as held-for-sale, broadens the scope of businesses to be disposed of that qualify for reporting as discontinued operations and changes the timing of recognizing losses on such operations.

The Partnership reviews long-lived assets whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable.
The review of recoverability is based on an estimate of the future undiscounted cash flows (excluding interest charges) expected to result from the long-lived assets use and eventual disposition. These cash flows consider factors such as
expected future operating income, trends and prospects, as well as the effects of leasing demand, competition and other factors. If impairment exists due to the inability to recover the carrying value of a long-lived asset, an impairment loss is
recorded to the extent that the carrying value exceeds the estimated fair-value of the property. The Partnership is required to make subjective assessments as to whether there are impairments in the values of the investments in long-lived assets.
These assessments have a direct impact on its net income because recording an impairment loss results in an immediate negative adjustment to net income. The evaluation of anticipated cash flows is highly subjective and is based in part on
assumptions regarding future occupancy, rental rates and capital requirements that could differ materially from actual results in future periods. Although the Partnerships strategy is generally to hold its properties over the long-term, the
Partnership will dispose of properties to meet its liquidity needs or for other strategic needs. If the Companys strategy changes or market conditions otherwise dictate an earlier sale date, an impairment loss may be recognized to reduce the
property to the lower of the carrying amount or fair value less costs to sell, and such loss could be material. If the Partnership determines that impairment has occurred and the assets are classified as held and used, the affected assets must be
reduced to their fair-value.

Where properties have been identified as having a potential for sale, additional judgments are required related
to the determination as to the appropriate period over which the undiscounted cash flows should include the operating cash flows and the amount included as the estimated residual value. Management determines the amounts to be included based on a
probability weighted cash flow. This requires significant judgment. In some cases, the results of whether an impairment is indicated are sensitive to changes in assumptions input into the estimates, including the hold period until expected sale.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



For the nine month period ending September 30, 2009, the Partnership determined that one of its
properties, during testing for impairment under the held and used model, had a historical cost greater than the probability weighted undiscounted cash flows. Accordingly, the recorded amount was reduced to an amount based on managements
estimate of the current fair value. This property was sold in the second quarter. During the Partnerships impairment review for the three-month period ending September 30, 2009, it was determined that no additional impairment charges were
necessary.

Revenue Recognition

Rental revenue is recognized on the straight-line basis from the later of the date of the commencement of the lease or the date of acquisition of the property subject to existing leases, which averages
minimum rents over the terms of the leases. The straight-line rent adjustment increased revenue by approximately $2.1 million and $4.7 million for the three-and nine-month periods ended September 30, 2009 and approximately $1.7 million and
$11.6 million for the three-and nine month periods ended September 30, 2008. Deferred rents on the balance sheet represent rental revenue received prior to their due dates and amounts paid by the tenant for certain improvements considered to be
landlord assets that will remain the Partnerships property at the end of the tenants lease term. The amortization of the amounts paid by the tenant for such improvements is calculated on a straight-line basis over the term of the
tenants lease and is a component of straight-line rental income and increased revenue by $0.6 million and $2.1 million for the three-and nine-month periods ended September 30, 2009 and $0.7 million and $2.1 million for the three- and
nine-month periods ended September 30, 2008. Lease incentives, which are included as reductions of rental revenue in the accompanying consolidated statements of operations, are recognized on a straight-line basis over the term of lease. Lease
incentives decreased revenue by $0.4 million and $0.8 million for the three-and nine month periods ended September 30, 2009 and $0.2 million and $0.6 million for the three-and nine month periods ended September 30, 2008.

Leases also typically provide for tenant reimbursement of a portion of common area maintenance and other operating expenses to the extent that a
tenants pro rata share of expenses exceeds a base year level set in the lease or to the extent that the tenant has a lease on a triple net basis. Termination fees received from tenants, bankruptcy settlement fees, third party management fees,
labor reimbursement and leasing income are recorded when earned.

Stock-Based Compensation Plans

The Company maintains a shareholder-approved equity-incentive plan known as the Amended and Restated 1997 Long-Term Incentive Plan (the 1997
Plan). The 1997 Plan is administered by the Compensation Committee of the Companys Board of Trustees. Under the 1997 Plan, the Compensation Committee is authorized to award equity and equity-based awards, including incentive stock
options, non-qualified stock options, restricted shares and performance-based shares. As of September 30, 2009, 1.8 million common shares remained available for future awards under the 1997 Plan. Through September 30, 2009, all
options awarded under the 1997 Plan had a one to ten-year term.

The Partnership incurred stock-based compensation expense of $1.0 million and
$3.3 million during the three-and nine month periods ended September 30, 2009, of which $0.2 million and $0.7 million, respectively, were capitalized as part of the Partnerships review of employee salaries eligible for capitalization. The
Partnership recognized stock-based compensation expense of $1.3 million and $4.0 million during the three-and nine month periods ended September 30, 2008, respectively. The expensed amounts are included in general and administrative expense on
the Partnerships consolidated income statement in the respective periods.

Accounting for Derivative Instruments
and Hedging Activities

The Partnership accounts for its derivative instruments and hedging activities in accordance with the
accounting standard for derivative and hedging activities. The accounting standard requires the Partnership to measure every derivative instrument (including certain derivative instruments embedded in other contracts) at fair value and record them
in the balance sheet as either an asset or liability. See disclosures below related to the Partnerships adoption of the accounting standard for fair value measurements and disclosures.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



For derivatives designated as fair value hedges, the changes in fair value of both the derivative
instrument and the hedged item are recorded in earnings. For derivatives designated as cash flow hedges, the effective portions of changes in the fair value of the derivative are reported in other comprehensive income. During the three months ended
September 30, 2009, the Partnership recorded a $1.1 million fair value adjustment in its consolidated statements of operations related to two of its interest swaps in which the hedging relationship ceased due to the issuance of the unsecured
notes on September 25, 2009. The ineffective portions of hedges are recognized in earnings in the current period and during the three and nine month periods ended September 30, 2009, the Partnership recognized $0.4 million and $0.7
million, respectively, for the ineffective portion of its forward starting swaps prior to the termination of the hedging relationship (See Note 9).

The Partnership actively manages its ratio of fixed-to-floating rate debt. To manage its fixed and floating rate debt in a cost-effective manner, the Partnership, from time to time, enters into interest rate swap agreements as cash flow
hedges, under which it agrees to exchange various combinations of fixed and/or variable interest rates based on agreed upon notional amounts.

Fair Value Measurements

The Partnership adopted a newly issued accounting standard
for fair value measurements and disclosures. The new accounting standard defines fair value, establishes a framework for measuring fair value in GAAP and provides for expanded disclosure about fair value measurements. The accounting standard is
applied prospectively, and is applied to all other accounting pronouncements that require or permit fair value measurements. The accounting standard was applied to the Partnerships outstanding derivatives and available-for-sale securities
effective January 1, 2008 and to all non-financial assets and non-financial liabilities effective January 1, 2009.

The accounting
standard for fair value measurements and disclosures defines fair value as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability
in an orderly transaction between market participants on the measurement date. It also establishes a fair value hierarchy which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring
fair value. The standard describes three levels of inputs that may be used to measure fair value. Financial assets and liabilities recorded on the Consolidated Balance Sheets are categorized based on the inputs to the valuation techniques as
follows:

Level 1 inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities that the Partnership has the
ability to access. Level 2 inputs are inputs other than quoted prices included in Level 1 that are observable for the asset or liability, either directly or indirectly. Level 2 inputs may include quoted prices for similar assets and liabilities in
active markets, as well as inputs that are observable for the asset or liability (other than quoted prices), such as interest rates, foreign exchange rates, and yield curves that are observable at commonly quoted intervals. Level 3 inputs are
unobservable inputs for the asset or liability, which is typically based on an entitys own assumptions, as there is little, if any, related market activity or information. In instances where the determination of the fair value measurement is
based on inputs from different levels of the fair value hierarchy, the level in the fair value hierarchy within which the entire fair value measurement falls is based on the lowest level input that is significant to the fair value measurement in its
entirety. The Partnerships assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to the asset or liability.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



The following table sets forth the Partnerships financial assets and liabilities that were
accounted for at fair value on a recurring basis as of September 30, 2009:



|                              |  |                                                  |        |                                                             |   |                                             |  |                             |        |  |   |  
|----------------------------- |  | ------------------------------------------------ | ------ | ----------------------------------------------------------- | - | ------------------------------------------- |  | --------------------------- | ------ |  | - | -
|                              |  | Fair Value Measurements at Reporting Date Using:
|Description                   |  | September 30,2009                                |        | Quoted Prices inActive Markets forIdentical Assets(Level 1) |   | Significant OtherObservable Inputs(Level 2) |  | UnobservableInputs(Level 3)
|                              |  |                                                  |        |                                                            
|Recurring                     |  |                                                  |        |                                                             |   |                                             |  |                             |        |  |   |  
|Assets:                       |  |                                                  |        |                                                             |   |                                             |  |                             |        |  |   |  
|Available-for-Sale Securities |  | $                                                | 420    |                                                             | $ | 420                                         |  | $                           |       |  | $ | 
|                              |  |                                                  |        |                                                            
|Liabilities:                  |  |                                                  |        |                                                             |   |                                             |  |                             |        |  |   |  
|Interest Rate Swaps           |  | $                                                | 14,012 |                                                             | $ |                                            |  | $                           | 14,012 |  | $ | 

The following table sets forth the Partnerships financial assets and liabilities that were
accounted for at fair value on a recurring basis as of December 31, 2008:



|                                     |  |                                                  |        |                                                             |   |                                             |  |                             |        |  |   |  
|------------------------------------ |  | ------------------------------------------------ | ------ | ----------------------------------------------------------- | - | ------------------------------------------- |  | --------------------------- | ------ |  | - | -
|                                     |  | Fair Value Measurements at Reporting Date Using:
|Description                          |  | December 31,2008                                 |        | Quoted Prices inActive Markets forIdentical Assets(Level 1) |   | Significant OtherObservable Inputs(Level 2) |  | UnobservableInputs(Level 3)
|                                     |  |                                                  |        |                                                            
|Assets:                              |  |                                                  |        |                                                             |   |                                             |  |                             |        |  |   |  
|Available-for-Sale Securities        |  | $                                                | 423    |                                                             | $ | 423                                         |  | $                           |       |  | $ | 
|                                     |  |                                                  |        |                                                            
|Liabilities:                         |  |                                                  |        |                                                             |   |                                             |  |                             |        |  |   |  
|Interest Rate Swaps                  |  | $                                                | 10,985 |                                                             | $ |                                            |  | $                           | 10,985 |  | $ | 
|Forward Starting Interest Rate Swaps |  |                                                  | 7,481  |                                                             |   |                                            |  |                             | 7,481  |  |   | 
|                                     |  |                                                  |        |                                                             |   |                                             |  |                             |        |  |   |  
|                                     |  | $                                                | 18,466 |                                                             | $ |                                            |  | $                           | 18,466 |  | $ | 

The adoption of the accounting standard for fair value measurements and disclosures did not have a
material impact on the Partnerships financial and non-financial assets and liabilities. Non-financial assets and liabilities recorded at fair value on a non-recurring basis to which the Partnership would apply the accounting standard where a
measurement was required under fair value would include:



| |  |  | Non-financial assets and liabilities initially measured at fair value in an acquisition or business combination that are not re-measured at least
annually at fair value,
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Long-lived assets measured at fair value due to an impairment in accordance with the accounting standard for the impairment or disposal of long-lived
assets and
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Asset retirement obligations initially measured at fair value under the accounting standard for asset retirement obligations.
| | - |  | -----------------------------------------------------------------------------------------------------------------------------

There were no items that were accounted for at fair value on a non-recurring basis during the third quarter of 2009.

Income Taxes

In general, the Partnership is not subject to federal and state income taxes, and accordingly, no provision for income taxes has been made in the accompanying consolidated financial statements. The partners of the Partnership are required
to include their respective share of the Partnerships profits or losses in their respective tax returns. The Partnerships tax returns and the amount of allocable Partnership profits and losses are subject to examination by federal and
state taxing authorities. If such examination results in changes to Partnership profits or losses, then the tax liability of the partners would be changed accordingly.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



The Partnership has elected to treat several of its subsidiaries as real estate investment trusts (each
a REIT) under Sections 856 through 860 of the Code. As a result, each subsidiary REIT generally is not subject to federal and state income taxation at the corporate level to the extent it distributes annually at least 100% of its REIT
taxable income to its stockholders and satisfies certain other organizational and operational requirements. Each subsidiary REIT has met these requirements and, accordingly, no provision has been made for federal and state income taxes in the
accompanying consolidated financial statements. If any subsidiary REIT fails to qualify as a REIT in any taxable year, that subsidiary REIT will be subject to federal and state income taxes and may not be able to qualify as a REIT for the four
subsequent taxable years. Also, each subsidiary REIT may be subject to certain local income taxes.

The Partnership has elected to treat
several of its subsidiaries as taxable REIT subsidiaries (each a TRS). A TRS is subject to federal, state and local income tax. In general, a TRS may perform additional non-customary services for tenants and generally may engage in any
real estate or non-real estate related businesses that are not permitted REIT activities.

Accounting Pronouncements
Adopted January 1, 2009 on a Retrospective Basis

Effective January 1, 2009, the Partnership adopted a newly issued
accounting standard for convertible debt instruments. The new accounting standard requires the initial proceeds from convertible debt that may be settled in cash to be bifurcated between a liability component and an equity component. The objective
of the guidance is to require the liability and equity components of convertible debt to be separately accounted for in a manner such that the interest expense recorded on the convertible debt would not equal the contractual rate of interest on the
convertible debt, but instead would be recorded at a rate that would reflect the issuers conventional debt borrowing rate. This is accomplished through the creation of a discount on the debt that would be accreted using the effective interest
method as additional non-cash interest expense over the period the debt is expected to remain outstanding (i.e. through the first optional redemption date). The provisions of the new accounting standard were adopted on January 1, 2009 and
applied retrospectively.

The new accounting standard for convertible debt instruments impacted the Partnerships accounting for its
3.875% Exchangeable Notes and has a material impact on the Partnerships consolidated financial statements and results of operations. The principal amount outstanding is $159.5 million at September 30, 2009 and $282.3 million at
December 31, 2008 (see Note 7). At certain times and upon certain events, the notes are exchangeable for cash up to their principal amount and, with respect to the remainder, if any, of the exchange value in excess of such principal amount,
cash or common shares. The initial exchange rate is 25.4065 shares per $1,000 principal amount of notes (which is equivalent to an initial exchange price of $39.36 per share). The carrying amount of the equity component is $24.4 million. The
unamortized debt discount is $6.2 million at September 30, 2009 and $12.2 million at December 31, 2008 and will be amortized through October 15, 2011. The effective interest rate at September 30, 2009 and 2008 was 5.5%. The
Partnership recognized $1.9 million and $7.3 million of contractual coupon interest during the three-and nine-month periods ended September 30, 2009 and $3.0 million and $9.3 million for the three-and nine-month periods ended September 30,
2008, respectively. In addition, the Partnership recognized $0.9 million and $2.6 million of interest on amortization of the debt discount, during the three and nine month periods ended September 30, 2009 and $1.1 million and $3.3 million for
the three-and nine-month periods ended September 30, 2008. The application of the accounting standard for convertible debt resulted in an aggregate of approximately $3.9 million (net of incremental capitalized interest) of additional non-cash
interest expense retrospectively applied for the year ended December 31, 2008. Excluding the impact of capitalized interest, the additional non-cash interest expense was approximately $4.3 million for December 31, 2008. The application of
the new accounting standard required the Partnership to reduce the amount of gain recognized on early extinguishment of debt for the year ended December 31, 2008 by approximately $2.6 million.

Effective January 1, 2009, the Partnership adopted a newly issued accounting standard related to whether instruments granted in share-based payment
transactions are participating securities. This new standard requires that non-vested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents be treated as participating securities in the computation of
earnings per share pursuant to the two-class method. The accounting standard was applied retrospectively to all periods presented.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



The accounting standard required the Partnership to include the impact of its unvested restricted shares in earnings per share using this more dilutive methodology. The face of the
Partnerships consolidated statement of operations and earnings per share disclosure (See Note 11) has been updated to reflect the adoption of this accounting standard and are presented as amounts allocated to unvested restricted shareholders.
The adoption of the new accounting standard did not have a material impact on the Partnerships consolidated financial position or results of operations.

Effective January 1, 2009, the Partnership adopted a newly issued accounting standard for non-controlling interests. Under this new accounting standard, non-controlling interests are presented as a
component of consolidated shareholders equity unless these interests are considered redeemable. Also, under this standard, net income will encompass the total income of all consolidated subsidiaries and there will be separate disclosure on the
face of the income statement of the attribution of that income between controlling and non-controlling interests. Lastly, increases and decreases in non-controlling interests will be treated as equity transactions. The face of the Partnerships
consolidated balance sheet, statement of operations and statements of other comprehensive income has been updated to reflect the adoption of this accounting standard. The adoption of this accounting standard did not have material impact on the
Partnerships financial position or results of operations. As a result of the Partnerships adoption of this standard, amounts are now presented as non-controlling interests in consolidated real estate ventures within equity (amounts were
nominal as December 31, 2008). There has been no change in the measurement of this line item from amounts previously reported.

Limited
partnership units of the Partnership have been included in the mezzanine section (between liability and equity) on the accompanying consolidated balance sheets. These units are redeemable by the holders for the cash equivalent thereof, or at the
Companys option, a like number of unregistered common shares of the Company. Historically we have recorded the redeemable partnership units at their redemption amount (fair value) as of the balance sheet date. In accordance with the new
accounting standard the redeemable partnership units should be adjusted to the maximum redemption amount at each balance sheet date, however it is not appropriate to reduce the amounts below a certain floor. The units should not be recorded at
less than the original issue value of the units adjusted for income allocation and distributions. The revised presentation and floor measurement required by this accounting standard have been adopted retrospectively.

In accordance with the Partnerships retrospective adoption of the accounting standard for convertible debt and non-controlling interest, the
December 31, 2008 balance sheet herein has been revised as follows:



|                                     |  |             |           |                            |   |         |                                   |  |   |            |   |  |   |          
|------------------------------------ |  | ----------- | --------- | -------------------------- | - | ------- | --------------------------------- |  | - | ---------- | - |  | - | ---------
|                                     |  | As Reported |           | Convertible DebtAdjustment |   |         | Non-controllingInterestAdjustment |  |   | As Revised
|                                     |  |             |           |                           
|Construction-in-progress             |  | $           | 121,402   |                            | $ | 817     |                                   |  | $ |           |   |  | $ | 122,219  
|                                     |  |             |           |                           
|Deferred costs, net                  |  |             | 89,866    |                            |   | (539    | )                                 |  |   |           |   |  |   | 89,327   
|                                     |  |             |           |                           
|Unsecured bonds, net of discount     |  |             | 1,930,147 |                            |   | (12,177 | )                                 |  |   |           |   |  |   | 1,917,970
|                                     |  |             |           |                           
|Redeemable limited partnership units |  |             | 21,716    |                            |   |        |                                   |  |   | 32,450     |   |  |   | 54,166   
|                                     |  |             |           |                           
|General partnership capital          |  |             | 1,601,882 |                            |   | 12,455  |                                   |  |   | (32,450    | ) |  |   | 1,581,887
|                                     |  |             |           |                           
|Total equity                         |  | $           | 1,688,327 |                            | $ | 12,455  |                                   |  | $ | (32,450    | ) |  | $ | 1,668,332

Accounting Pronouncements Adopted During 2009 on a Prospective Basis

In June 2009, the Financial Accounting Standards Board (FASB) issued the FASB Accounting Standards Codification (Codification). The
Codification became the single source for all authoritative GAAP recognized by the FASB to be applied for financial statements issued for periods ending after September 15, 2009. The Codification is not expected to change GAAP and will not have
an effect on the Partnerships consolidated financial position or results of operations.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



In May 2009, the FASB issued a new accounting standard for subsequent events reporting. The new
accounting standard established principles and requirements for evaluating and reporting subsequent events and distinguishes which subsequent events should be recognized in the financial statements versus which subsequent events should be disclosed
in the financial statements. The accounting standard also requires disclosure of the date through which subsequent events are evaluated by management (see Note 17). The Partnerships adoption of the new standard did not have a material impact
on its consolidated financial position or results of operations.

In April 2009, the FASB issued an amendment to the disclosure requirements
about fair value instruments. The amendment require disclosures about fair value of financial instruments for interim reporting periods of publicly traded companies in addition to the annual financial statements. It also requires those disclosures
in summarized financial information at interim reporting periods. The amendment is effective for interim periods ending after June 15, 2009. Prior period presentation is not required for comparative purposes at initial adoption.

In April 2009, the FASB issued a new accounting standard for determining fair value when the volume and level of activity for financial and non-financial
assets or liabilities have significantly decreased and identifying transactions that are not orderly. The new accounting standard is effective for fiscal years and interim periods ending after June 15, 2009 and shall be applied prospectively.
The Partnerships adoption of the new standard did not have a material impact on its consolidated financial position or results of operations.

In April 2009, the FASB issued amendments to the recognition and presentation requirements of other-than-temporary impairments to make the guidance in U.S. GAAP for debt securities more operational and to improve the presentation and
disclosure of other-than temporary impairments on debt and equity securities in the financial statements. The amendments are effective for fiscal years and interim periods ending after June 15, 2009. The Partnerships adoption of these
amendments did not have a material impact on its consolidated financial position or results of operations.

Effective January 1, 2009,
the Partnership adopted the FASB issued accounting standard for disclosures about derivative instruments and hedging activities. This new standard enhances disclosure requirements for derivative instruments in order to provide users of financial
statements with an enhanced understanding of (i) how and why an entity uses derivative instruments, (ii) how derivative instruments and related hedged items are accounted for under the accounting standard for derivative instruments and
hedging activities and (iii) how derivative instruments and related hedged items affect an entitys financial position, financial performance, and cash flows. The new accounting standard is to be applied prospectively for the first annual
reporting period beginning on or after November 15, 2008. See Note 9 for further discussion.

In April 2008, the FASB issued a new
accounting standard for the proper determination of the useful life of intangible assets. The new accounting standard is to be applied prospectively for fiscal years beginning after December 15, 2008. The Partnership has not entered into any
acquisition transactions during the nine months ended September 30, 2009, therefore the adoption of this accounting standard did not have a material impact on the Partnerships consolidated financial statements.

New Pronouncements

In June 2009, the FASB issued an amendment to the accounting and disclosure requirements for transfers of financial assets. This amendment requires greater transparency and additional disclosures for transfers of financial assets and the
entitys continuing involvement with them and changes the requirements for derecognizing financial assets. In addition, this amendment eliminates the concept of a qualifying special-purpose entity (QSPE). This amendment is effective for fiscal
years beginning after November 15, 2009. The Partnership is currently evaluating the impact of adopting this amendment on its consolidated financial position or results of operations.

In June 2009, the FASB also issued an amendment to the accounting and disclosure requirements for the consolidation of variable interest entities (VIEs).
The elimination of the concept of a QSPE, as discussed above, removes the exception from applying the consolidation guidance within this amendment. This amendment requires an enterprise to perform a qualitative analysis when determining whether or
not it must consolidate a VIE. The amendment also requires an enterprise to continuously reassess whether it



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



must consolidate a VIE. Additionally, the amendment requires enhanced disclosures about an enterprises involvement with VIEs and any significant change in risk exposure due to that
involvement, as well as how its involvement with VIEs impacts the enterprises financial statements. Finally, an enterprise will be required to disclose significant judgments and assumptions used to determine whether or not to consolidate a
VIE. This amendment is effective for fiscal years beginning after November 15, 2009. The Partnership is currently evaluating the impact of adopting this amendment on its consolidated financial position or results of operations.

3. REAL ESTATE INVESTMENTS

As of
September 30, 2009 and December 31, 2008 the gross carrying value of the Partnerships operating properties was as follows (amounts in thousands):



|                          |  |                    |           |                   |   |          
|------------------------- |  | ------------------ | --------- | ----------------- | - | ---------
|                          |  | September 30, 2009 |           | December 31, 2008
|Land                      |  | $                  | 690,442   |                   | $ | 707,591  
|Building and improvements |  |                    | 3,390,344 |                   |   | 3,481,289
|Tenant improvements       |  |                    | 432,592   |                   |   | 419,440  
|                          |  |                    |           |                   |   |          
|                          |  | $                  | 4,513,378 |                   | $ | 4,608,320
|                          |  |                    |           |                   |   |          

Acquisitions and Dispositions

The Partnership did not complete any acquisitions during the periods covered in these financial statements.

On April 29, 2009, the Partnership sold 7735 Old Georgetown Road, a 122,543 net rentable square feet office property located in Bethesda, Maryland, for
a sales price of $26.5 million.

On March 16, 2009, the Partnership sold 305 Harper Drive, a 14,980 net rentable square feet office
property located in Moorestown, New Jersey, for a sales price of $1.1 million.

On February 4, 2009, the Partnership sold two office
properties, totaling 66,664 net rentable square feet in Exton, Pennsylvania, for an aggregate sales price of $9.0 million.

All sales above
and the three properties included as held for sale assets (see Note 10) are included within discontinued operations.

4. INVESTMENT IN
UNCONSOLIDATED VENTURES

As of September 30, 2009, the Partnership had an aggregate investment of approximately $75.9 million in its
11 actively operating unconsolidated Real Estate Ventures. The Partnership formed these ventures with unaffiliated third parties, or acquired them, to develop office properties or to acquire land in anticipation of possible development of office
properties. Ten of the Real Estate Ventures own 45 office buildings that contain an aggregate of approximately 4.3 million net rentable square feet and one Real Estate Venture developed a hotel property that contains 137 rooms in Conshohocken,
PA.

The Partnership accounts for its interests in its unconsolidated Real Estate Ventures using the equity method. The Partnerships
unconsolidated interests range from 3% to 50%, subject to specified priority allocations of distributable cash in certain of the Real Estate Ventures.

The amounts reflected in the following tables (except for the Partnerships share of equity and income) are based on the historical financial information of the individual Real Estate Ventures. One of the Real Estate Ventures, acquired
in connection with the Prentiss Properties Trust merger in 2006, had a negative equity balance on a historical cost basis as a result of historical depreciation and distribution of excess financing proceeds. The Partnership reflected its acquisition
of this Real Estate Venture interest at its relative fair value as of the date of the purchase of Prentiss. The difference between allocated cost and the underlying equity in the net



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



assets of the investee is accounted for as if the entity were consolidated (i.e., allocated to the Partnerships relative share of assets and liabilities with an adjustment to recognize
equity in earnings for the appropriate additional depreciation/amortization). The Partnership does not record operating losses of the Real Estate Ventures in excess of its investment balance unless the Partnership is liable for the obligations of
the Real Estate Venture or is otherwise committed to provide financial support to the Real Estate Venture.

The following is a summary of the
financial position of the Real Estate Ventures as of September 30, 2009 and December 31, 2008 (in thousands):



|                                                    |  |                   |         |                  |   |        
|--------------------------------------------------- |  | ----------------- | ------- | ---------------- | - | -------
|                                                    |  | September 30,2009 |         | December 31,2008
|Net property                                        |  | $                 | 546,557 |                  | $ | 554,424
|Other assets                                        |  |                   | 88,291  |                  |   | 96,278 
|Other Liabilities                                   |  |                   | 36,738  |                  |   | 39,388 
|Debt                                                |  |                   | 473,136 |                  |   | 514,308
|Equity                                              |  |                   | 124,974 |                  |   | 97,006 
|Partnerships share of equity (Partnerships basis) |  |                   | 75,929  |                  |   | 71,028 

The following is a summary of results of operations of the Real Estate Ventures for the three-and
nine-month periods ended September 30, 2009 and 2008 (in thousands):



|                                                    |  |                                        |        |      |                                       |        |      |  |      |        |  |   |        |  
|--------------------------------------------------- |  | -------------------------------------- | ------ | ---- | ------------------------------------- | ------ | ---- |  | ---- | ------ |  | - | ------ | -
|                                                    |  | Three-month periodsended September 30, |        |      | Nine-month periodsended September 30, |       
|                                                    |  | 2009                                   |        | 2008 |                                       |        | 2009 |  | 2008 |       
|Revenue                                             |  | $                                      | 24,228 |      | $                                     | 27,358 |      |  | $    | 77,917 |  | $ | 80,254 |  
|Operating expenses                                  |  |                                        | 7,725  |      |                                       | 10,931 |      |  |      | 26,401 |  |   | 28,727 |  
|Interest expense, net                               |  |                                        | 8,186  |      |                                       | 8,042  |      |  |      | 22,183 |  |   | 23,795 |  
|Depreciation and amortization                       |  |                                        | 7,698  |      |                                       | 9,794  |      |  |      | 25,379 |  |   | 28,418 |  
|Net income                                          |  |                                        | 619    |      |                                       | (1,409 | )    |  |      | 3,954  |  |   | (686   | )
|Partnerships share of income (Partnerships basis) |  |                                        | 1,331  |      |                                       | 1,059  |      |  |      | 3,450  |  |   | 3,838  |  

As of September 30, 2009, the Partnership had guaranteed repayment of approximately $2.1 million
of loans on behalf of certain Real Estate Ventures. The Partnership also provides customary environmental indemnities in connection with construction and permanent financing both for its own account and on behalf of its Real Estate Ventures.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



5. DEFERRED COSTS

As of September 30, 2009 and December 31, 2008, the Partnerships deferred costs were comprised of the following (in thousands):



|                |  |                    |         |                         |   |         |                    |  |   |        
|--------------- |  | ------------------ | ------- | ----------------------- | - | ------- | ------------------ |  | - | -------
|                |  | September 30, 2009
|                |  | Total Cost         |         | AccumulatedAmortization |   |         | DeferredCosts, net
|Leasing Costs   |  | $                  | 124,342 |                         | $ | (48,061 | )                  |  | $ | 76,281 
|Financing Costs |  |                    | 44,702  |                         |   | (11,480 | )                  |  |   | 33,222 
|                |  |                    |         |                         |   |         |                    |  |   |        
|Total           |  | $                  | 169,044 |                         | $ | (59,541 | )                  |  | $ | 109,503
|                |  |                    |         |                         |   |         |                    |  |   |        
|                | 
|                |  | December 31, 2008 
|                |  | Total Cost         |         | AccumulatedAmortization |   |         | DeferredCosts, net
|Leasing Costs   |  | $                  | 115,262 |                         | $ | (39,528 | )                  |  | $ | 75,734 
|Financing Costs |  |                    | 25,170  |                         |   | (11,577 | )                  |  |   | 13,593 
|                |  |                    |         |                         |   |         |                    |  |   |        
|Total           |  | $                  | 140,432 |                         | $ | (51,105 | )                  |  | $ | 89,327 
|                |  |                    |         |                         |   |         |                    |  |   |        

6. INTANGIBLE ASSETS

As of September 30, 2009 and December 31, 2008, the Partnerships intangible assets were comprised of the following (in thousands):



|                             |  |                    |         |                         |   |          |                       |  |   |        
|---------------------------- |  | ------------------ | ------- | ----------------------- | - | -------- | --------------------- |  | - | -------
|                             |  | September 30, 2009
|                             |  | Total Cost         |         | AccumulatedAmortization |   |          | IntangibleAssets, net
|In-place lease value         |  | $                  | 126,392 |                         | $ | (69,458  | )                     |  | $ | 56,934 
|Tenant relationship value    |  |                    | 99,111  |                         |   | (47,600  | )                     |  |   | 51,511 
|Above market leases acquired |  |                    | 16,829  |                         |   | (11,194  | )                     |  |   | 5,635  
|                             |  |                    |         |                         |   |          |                       |  |   |        
|Total                        |  | $                  | 242,332 |                         | $ | (128,252 | )                     |  | $ | 114,080
|                             |  |                    |         |                         |   |          |                       |  |   |        
|Below market leases acquired |  | $                  | 77,707  |                         | $ | (38,068  | )                     |  | $ | 39,639 
|                             |  |                    |         |                         |   |          |                       |  |   |        
|                             | 
|                             |  | December 31, 2008 
|                             |  | Total Cost         |         | AccumulatedAmortization |   |          | IntangibleAssets, net
|In-place lease value         |  | $                  | 145,518 |                         | $ | (71,138  | )                     |  | $ | 74,380 
|Tenant relationship value    |  |                    | 103,485 |                         |   | (40,835  | )                     |  |   | 62,650 
|Above market leases acquired |  |                    | 23,351  |                         |   | (14,624  | )                     |  |   | 8,727  
|                             |  |                    |         |                         |   |          |                       |  |   |        
|Total                        |  | $                  | 272,354 |                         | $ | (126,597 | )                     |  | $ | 145,757
|                             |  |                    |         |                         |   |          |                       |  |   |        
|Below market leases acquired |  | $                  | 82,950  |                         | $ | (35,324  | )                     |  | $ | 47,626 
|                             |  |                    |         |                         |   |          |                       |  |   |        

As of September 30, 2009, the Partnerships annual amortization for its intangible
assets/liabilities is as follows (in thousands and assuming no early lease terminations):



|           |  |        |         |             |   |       
|---------- |  | ------ | ------- | ----------- | - | ------
|           |  | Assets |         | Liabilities
|2009       |  | $      | 8,404   |             | $ | 2,379 
|2010       |  |        | 29,499  |             |   | 8,345 
|2011       |  |        | 22,772  |             |   | 7,051 
|2012       |  |        | 17,430  |             |   | 6,314 
|2013       |  |        | 12,636  |             |   | 5,874 
|Thereafter |  |        | 23,339  |             |   | 9,676 
|           |  |        |         |             |   |       
|Total      |  | $      | 114,080 |             | $ | 39,639
|           |  |        |         |             |   |       



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



7. DEBT OBLIGATIONS

The following table sets forth information regarding the Partnerships debt obligations outstanding at September 30, 2009 and December 31, 2008 (in thousands):



|                                                      |  |                   |           |   |                  |   |           |                       |  |               |              |  |        |    
|----------------------------------------------------- |  | ----------------- | --------- | - | ---------------- | - | --------- | --------------------- |  | ------------- | ------------ |  | ------ | ---
|                                                      |  | September 30,2009 |           |   | December 31,2008 |   |           | EffectiveInterestRate |  |               | MaturityDate | 
|MORTGAGE DEBT:                                        |  |                   |           |   |                  |   |           |                       |  |               |              |  |        |    
|200 Commerce Drive                                    |  | $                 |          |   |                  | $ | 5,684     |                       |  | 7.12          | % (a)        |  | Jan-10 |    
|Plymouth Meeting Exec.                                |  |                   | 42,234    |   |                  |   | 42,785    |                       |  | 7.00          | % (b)        |  | Dec-10 |    
|Four Tower Bridge                                     |  |                   | 10,243    |   |                  |   | 10,404    |                       |  | 6.62          | %            |  | Feb-11 |    
|Arboretum I, II, III & V                              |  |                   | 21,203    |   |                  |   | 21,657    |                       |  | 7.59          | %            |  | Jul-11 |    
|Midlantic Drive/Lenox Drive/DCC I                     |  |                   | 58,619    |   |                  |   | 59,784    |                       |  | 8.05          | %            |  | Oct-11 |    
|Research Office Center                                |  |                   | 40,203    |   |                  |   | 40,791    |                       |  | 5.30          | % (b)        |  | Oct-11 |    
|Concord Airport Plaza                                 |  |                   | 35,856    |   |                  |   | 36,617    |                       |  | 5.55          | % (b)        |  | Jan-12 |    
|Six Tower Bridge                                      |  |                   | 13,774    |   |                  |   | 14,185    |                       |  | 7.79          | %            |  | Aug-12 |    
|Newtown Square/Berwyn Park/Libertyview                |  |                   | 59,899    |   |                  |   | 60,910    |                       |  | 7.25          | %            |  | May-13 |    
|Coppell Associates                                    |  |                   | 2,856     |   |                  |   | 3,273     |                       |  | 6.89          | %            |  | Dec-13 |    
|Southpoint III                                        |  |                   | 3,412     |   |                  |   | 3,863     |                       |  | 7.75          | %            |  | Apr-14 |    
|Tysons Corner                                         |  |                   | 98,435    |   |                  |   | 99,529    |                       |  | 5.36          | % (b)        |  | Aug-15 |    
|Coppell Associates                                    |  |                   | 16,600    |   |                  |   | 16,600    |                       |  | 5.75          | %            |  | Feb-16 |    
|Two Logan Square                                      |  |                   | 89,800    |   |                  |   | 68,808    |                       |  | 7.57          | % (c)        |  | Apr-16 |    
|One Logan Square                                      |  |                   | 60,000    |   |                  |   |          |                       |  | 4.50          | % (d)        |  | Jul-16 |    
|                                                      |  |                   |           |   |                  |   |           |                       |  |               |              |  |        |    
|Principal balance outstanding                         |  |                   | 553,134   |   |                  |   | 484,890   |                       |  |               |              |  |        |    
|Plus: unamortized fixed-rate debt premiums, net       |  |                   | 1,482     |   |                  |   | 2,635     |                       |  |               |              |  |        |    
|                                                      |  |                   |           |   |                  |   |           |                       |  |               |              |  |        |    
|Total mortgage indebtedness                           |  | $                 | 554,616   |   |                  | $ | 487,525   |                       |  |               |              |  |        |    
|                                                      |  |                   |           |   |                  |   |           |                       |  |               |              |  |        |    
|                                                      |  |                   |           |  
|UNSECURED DEBT:                                       |  |                   |           |   |                  |   |           |                       |  |               |              |  |        |    
|$275.0M 4.500% Guaranteed Notes due 2009              |  |                   | 102,550   |   |                  |   | 196,680   |                       |  | 4.62          | %            |  | Nov-09 | (e)
|Bank Term Loan                                        |  |                   | 183,000   |   |                  |   | 183,000   |                       |  | LIBOR + 0.80  | %            |  | Oct-10 | (f)
|$300.0M 5.625% Guaranteed Notes due 2010              |  |                   | 210,546   |   |                  |   | 275,545   |                       |  | 5.61          | %            |  | Dec-10 |    
|Credit Facility                                       |  |                   |          |   |                  |   | 153,000   |                       |  | LIBOR + 0.725 | %            |  | Jun-11 | (f)
|$320.7M 3.875% Guaranteed Exchangeable Notes due 2026 |  |                   | 159,540   |   |                  |   | 282,030   |                       |  | 5.50          | %            |  | Oct-11 |    
|$300.0M 5.750% Guaranteed Notes due 2012              |  |                   | 187,825   |   |                  |   | 300,000   |                       |  | 5.77          | %            |  | Apr-12 |    
|$250.0M 5.400% Guaranteed Notes due 2014              |  |                   | 242,681   |   |                  |   | 250,000   |                       |  | 5.53          | %            |  | Nov-14 |    
|$250.0M 7.500% Guaranteed Notes due 2015              |  |                   | 250,000   |   |                  |   |          |                       |  | 7.75          | %            |  | May-15 |    
|$250.0M 6.000% Guaranteed Notes due 2016              |  |                   | 250,000   |   |                  |   | 250,000   |                       |  | 5.95          | %            |  | Apr-16 |    
|$300.0M 5.700% Guaranteed Notes due 2017              |  |                   | 300,000   |   |                  |   | 300,000   |                       |  | 5.75          | %            |  | May-17 |    
|Indenture IA (Preferred Trust I)                      |  |                   | 27,062    |   |                  |   | 27,062    |                       |  | LIBOR + 1.25  | %            |  | Mar-35 |    
|Indenture IB (Preferred Trust I)                      |  |                   | 25,774    |   |                  |   | 25,774    |                       |  | LIBOR + 1.25  | %            |  | Apr-35 |    
|Indenture II (Preferred Trust II)                     |  |                   | 25,774    |   |                  |   | 25,774    |                       |  | LIBOR + 1.25  | %            |  | Jul-35 |    
|                                                      |  |                   |           |   |                  |   |           |                       |  |               |              |  |        |    
|Principal balance outstanding                         |  |                   | 1,964,752 |   |                  |   | 2,268,865 |                       |  |               |              |  |        |    
|Less: unamortized exchangeable debt discount          |  |                   | (6,243    | ) |                  |   | (12,177   | )                     |  |               |              |  |        |    
|unamortized fixed-rate debt discounts, net            |  |                   | (3,606    | ) |                  |   | (2,718    | )                     |  |               |              |  |        |    
|                                                      |  |                   |           |   |                  |   |           |                       |  |               |              |  |        |    
|Total unsecured indebtedness                          |  | $                 | 1,954,903 |   |                  | $ | 2,253,970 |                       |  |               |              |  |        |    
|                                                      |  |                   |           |   |                  |   |           |                       |  |               |              |  |        |    
|Total Debt Obligation                                 |  | $                 | 2,509,519 |   |                  | $ | 2,741,495 |                       |  |               |              |  |        |    
|                                                      |  |                   |           |   |                  |   |           |                       |  |               |              |  |        |    



|(a) | On September 30, 2009, the Partnership pre-paid the remaining balance of the mortgage debt with no penalty.
|--- | -----------------------------------------------------------------------------------------------------------

|(b) | Loans were assumed upon acquisition of the related property. Interest rates presented above reflect the market rate at the time of acquisition.
|--- | -----------------------------------------------------------------------------------------------------------------------------------------------

|(c) | The Two Logan Square mortgage loan was re-financed in the amount of $89.8 million on April 1, 2009. The new loan bears interest at 7.57% per annum and has a
seven year term with three years of interest only payments followed by a thirty year amortization schedule.
|--- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|(d) | The Partnership obtained a mortgage on a previously unencumbered property during the third quarter 2009. The loan features a floating rate of LIBOR plus 350 basis
points (subject to a LIBOR floor) and a seven-year term with three years interest only followed by a thirty-year amortization schedule at a 7.5% constant.
|--- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|(e) | On November 2, 2009, the Partnership paid off the loan at maturity.
|--- | -------------------------------------------------------------------

|(f) | These loans may be extended to June 29, 2012 at the Partnerships discretion.
|--- | -----------------------------------------------------------------------------

On September 25, 2009, the Partnership closed a registered offering of $250.0 million in aggregate principal amount of its 7.50% senior unsecured notes due 2015. The notes were priced at 99.412% of
their face amount with a yield to maturity of 7.625%,



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



representing a spread at the time of pricing of 5.162% to the yield on the August 2014 Treasury note. The notes have been reflected net of discount of $1.5 million in the consolidated balance
sheet as of September 30, 2009. The net proceeds which amounted to $247.0 million after deducting underwriting discounts and offering expenses were used to repay the Partnerships indebtedness under its unsecured revolving credit facility
and for general corporate purposes.

On July 8, 2009, the Partnership closed a $60.0 million first mortgage on One Logan Square, a
594,361 square foot office property located in Philadelphia, Pennsylvania. This loan accrues interest at a rate of LIBOR plus 3.5% with a minimum LIBOR rate of 1% over a seven-year term with three years of interest only payments and interest and
principal payments based on a thirty-year amortization schedule for the remaining four years. The loan proceeds were used for general corporate purposes including repayment of existing indebtedness.

On June 29, 2009, the Partnership entered into a forward financing commitment to borrow up to $256.5 million under two separate
loans which are secured by mortgages on the 30thStreet
Post Office (the Post Office project), the Cira South Garage (the garage project) and by the leases of space at these facilities upon the completion of these projects. Of the total borrowings, $209.7 million and $46.8 million
of the total borrowings will be allocated to the Post Office project and to the garage project, respectively. The Partnership paid a $17.7 million commitment fee, which includes a $1.5 million arrangement fee, in connection with this commitment. The
total loan amount together with the net commitment fee was deposited in an escrow account to be administered by The Bank of New York Mellon (the trustee). In accordance with the trust agreement between the lender and the trustee, the
lender assigned its rights under the loans to the Trust. The Trust issued certificates to third parties in an amount equal to the funding commitment. Upon investment of the escrow account in a portfolio of U.S. Government treasuries, the net
commitment of $16.2 million will be used together with the interest earned on the escrow account to pay interest costs of the loans through August 26, 2010 which is also the anticipated completion date of the projects and the expected funding
date. In order for funding to occur, certain conditions must be met by the Partnership which primarily relate to the completion of the projects and the commencement of the rental payments from the respective leases with the IRS on these properties.
The loans will bear interest at 5.93% and require principal and interest payments based on a twenty year amortization schedule. The Partnership intends to use the loan proceeds to reduce borrowings under its credit facility and for general corporate
purposes. As of June 30, 2009, the commitment fee is included as part of the deferred costs in the Partnerships consolidated balance sheet as it believes the funding is probable of occurring. The Partnership will amortize this cost over
the term of the loan starting on the date the funding of the loans has occurred. In the event that the Partnership believes the funding will not occur, this cost will be written off in the period that such determination was made. In addition, should
the funding not occur either because the Partnership does not meet the conditions or the Company decides not to proceed with the funding, a termination fee is payable (see Note 16).

During the nine-month periods ended September 30, 2009 and 2008, the Partnerships weighted-average effective interest rate on its mortgage notes payable was 6.45% and 6.41%, respectively.

During the nine-months ended September 30, 2009, the Partnership repurchased $401.1 million of its existing Notes in a series of
transactions which are summarized in the table below:



|             |  |                  |         |           |   |         |  |                                |        |  |   |      
|------------ |  | ---------------- | ------- | --------- | - | ------- |  | ------------------------------ | ------ |  | - | -----
|Notes        |  | RepurchaseAmount |         | Principal |   | Gain    |  | Deferred FinancingAmortization
|2009 Notes   |  | $                | 92,736  |           | $ | 94,130  |  | $                              | 1,377  |  | $ | 88   
|2010 Notes   |  |                  | 59,257  |           |   | 64,999  |  |                                | 5,760  |  |   | 190  
|2012 Notes   |  |                  | 109,104 |           |   | 112,175 |  |                                | 2,610  |  |   | 369  
|2014 Notes   |  |                  | 6,329   |           |   | 7,319   |  |                                | 961    |  |   | 330  
|3.875% Notes |  |                  | 106,166 |           |   | 122,490 |  |                                | 13,016 |  |   | 1,111
|             |  |                  |         |           |   |         |  |                                |        |  |   |      
|             |  | $                | 373,592 |           | $ | 401,113 |  | $                              | 23,724 |  | $ | 2,088
|             |  |                  |         |           |   |         |  |                                |        |  |   |      

The Partnership utilizes credit facility borrowings for general business purposes, including the
acquisition, development and redevelopment of properties and the repayment of other debt. The maturity date of the $600.0 million Credit Facility (the Credit



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



Facility) is June 29, 2011 (subject to an extension of one year, at the Partnerships option, upon its payment of an extension fee equal to 15 basis points of the committed amount
under the Credit Facility). The per annum variable interest rate on outstanding balances is LIBOR plus 0.725%. The interest rate and facility fee are subject to adjustment upon a change in the Partnerships unsecured debt ratings. The
Partnership has the option to increase the Credit Facility to $800.0 million subject to the absence of any defaults and the Partnerships ability to acquire additional commitments from its existing lenders or new lenders. As of
September 30, 2009, the Partnership had no outstanding borrowings under the Credit Facility but had $15.9 million of letters of credit outstanding, and a $15.3 million holdback in connection with its historic tax credit transaction leaving
$568.8 million of unused availability. During the nine-month periods ended September 30, 2009 and 2008, the weighted-average interest rate on Credit Facility borrowings was 1.97% and 4.37% respectively. As of September 30, 2008, the
weighted average interest rate on Credit Facility borrowings was 3.89%.

The Credit Facility requires the maintenance of ratios related to
minimum net worth, debt-to-total capitalization and fixed charge coverage and includes non-financial covenants. The Partnership was in compliance with all financial covenants as of September 30, 2009.

In April 2007, the Partnership entered into a $20.0 million Sweep Agreement (the Sweep Agreement) to be used for cash management purposes.
Borrowings under the Sweep Agreement bear interest at one-month LIBOR plus 0.75%.

The Sweep Agreement ended in April 2009 at which point the
agreement was not renewed.

As of September 30, 2009, the Partnerships aggregate scheduled principal payments of debt obligations,
excluding amortization of discounts and premiums, are as follows (in thousands):



|                                   |  |   |           |  
|---------------------------------- |  | - | --------- | -
|2009                               |  | $ | 104,951   |  
|2010                               |  |   | 444,804   |  
|2011                               |  |   | 291,836   |  
|2012                               |  |   | 239,489   |  
|2013                               |  |   | 59,754    |  
|Thereafter                         |  |   | 1,377,052 |  
|                                   |  |   |           |  
|Total principal payments           |  |   | 2,517,886 |  
|Net unamortized premiums/discounts |  |   | (8,367    | )
|                                   |  |   |           |  
|Outstanding indebtedness           |  | $ | 2,509,519 |  
|                                   |  |   |           |  

8. FAIR VALUE OF FINANCIAL STATEMENTS

The following fair value disclosure was determined by the Partnership using available market information and discounted cash flow analyses as of
September 30, 2009 and December 31, 2008, respectively. The discount rate used in calculating fair value is the sum of the current risk free rate and the risk premium on the date of measurement of the instruments or obligations.
Considerable judgment is necessary to interpret market data and to develop the related estimates of fair value. Accordingly, the estimates presented are not necessarily indicative of the amounts that the Partnership could realize upon disposition.
The use of different estimation methodologies may have a material effect on the estimated fair value amounts. The Partnership believes that the carrying amounts reflected in the Consolidated Balance Sheets at September 30, 2009 and
December 31, 2008 approximate the fair values for cash and cash equivalents, accounts receivable, other assets, accounts payable and accrued expenses.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



The following are financial instruments for which the Partnership estimates of fair value differ from
the carrying amounts (in thousands):



|                                          |  |                    |           |                   |   |                |  |           |           |  |   |          
|----------------------------------------- |  | ------------------ | --------- | ----------------- | - | -------------- |  | --------- | --------- |  | - | ---------
|                                          |  | September 30, 2009 |           | December 31, 2008
|                                          |  | CarryingAmount     |           | FairValue         |   | CarryingAmount |  | FairValue
|                                          |  |                    |           |                  
|Mortgage payable, net of premiums         |  | $                  | 554,616   |                   | $ | 525,224        |  | $         | 484,890   |  | $ | 487,525  
|Unsecured notes payable, net of discounts |  | $                  | 1,693,293 |                   | $ | 1,627,652      |  | $         | 1,854,186 |  | $ | 1,152,056
|Variable Rate Debt Instruments            |  | $                  | 261,610   |                   | $ | 252,068        |  | $         | 414,610   |  | $ | 398,748  
|Notes Receivable                          |  | $                  | 49,114    |                   | $ | 47,558         |  | $         | 48,048    |  | $ | 46,227   

9. RISK MANAGEMENT AND USE OF FINANCIAL INSTRUMENTS

Risk Management

In
the course of its on-going business operations, the Partnership encounters economic risk. There are three main components of economic risk: interest rate risk, credit risk and market risk. The Partnership is subject to interest rate risk on its
interest-bearing liabilities. Credit risk is primarily the risk of inability or unwillingness of tenants to make contractually required payments. Market risk is the risk of declines in the value of properties due to changes in rental rates, interest
rates or other market factors affecting the valuation of properties held by the Partnership.

Risks and Uncertainties

Deteriorating economic conditions have generally resulted in a reduction of the availability of financing and higher borrowing costs.
These factors, coupled with a slowing economy, have reduced the volume of real estate transactions and created credit stresses on most businesses. The Partnership believes that vacancy rates will increase through 2009 and possibly beyond as the
current economic climate negatively impacts tenants in the Properties. The current financial markets also have an adverse effect on the Partnerships other counter parties such as the counter parties in its derivative contracts.

The Partnership expects that the impact of the current state of the economy, including rising unemployment and the unprecedented volatility and illiquidity
in the financial and credit markets, will continue to have a dampening effect on the fundamentals of its business, including increases in past due accounts, tenant defaults, lower occupancy and reduced effective rents. These conditions would
negatively affect the Partnerships future net income and cash flows and could have a material adverse effect on its financial condition.

The Partnerships Credit Facility, Bank Term Loan and the indenture governing the unsecured public debt securities (Note 7) contain restrictions, requirements and other limitations on the ability to incur indebtedness, including total
debt to asset ratios, secured debt to total asset ratios, debt service coverage ratios and minimum ratios of unencumbered assets to unsecured debt which it must maintain. The ability to borrow under the Credit Facility is subject to compliance with
such financial and other covenants. In the event that the Partnership fails to satisfy these covenants, it would be in default under the Credit Facility, the Bank Term Loan and the indenture and may be required to repay such debt with capital from
other sources. Under such circumstances, other sources of capital may not be available, or may be available only on unattractive terms.

Availability of borrowings under the Credit Facility is subject to a traditional material adverse effect clause. Each time the Partnership borrows it must represent to the lenders that there have been no events of a nature which would have
a material adverse effect on the business, assets, operations, condition (financial or otherwise) or prospects of the Partnership taken as a whole or which could negatively effect the ability of the Partnership to perform its obligations under the
Credit Facility. While the Partnership believes that there are currently no material adverse effect events, the Partnership is operating in unprecedented economic times and it is possible that such events could arise which would limit the
Partnerships borrowings under the Credit Facility. If an event occurs which is considered to have a material adverse effect, the lenders could consider the Partnership in default under the terms of the Credit



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



Facility and the borrowings under the Credit Facility if any, would become due and payable. If the Partnership is unable to obtain a waiver, this would have a material adverse effect on the
Partnerships financial position and results of operations.

The Partnership was in compliance with all financial covenants as of
September 30, 2009. Management continuously monitors the Partnerships compliance with and anticipated compliance with the covenants. Certain of the covenants restrict managements ability to obtain alternative sources of capital.
While the Partnership currently believes it will remain in compliance with its covenants, in the event of a continued slow-down and continued crisis in the credit markets, the Partnership may not be able to remain in compliance with such covenants
and if the lender would not provide a waiver, it could result in an event of default.

Use of Derivative Financial
Instruments

The Partnerships use of derivative instruments is limited to the utilization of interest rate agreements or other
instruments to manage interest rate risk exposures and not for speculative purposes. The principal objective of such arrangements is to minimize the risks and/or costs associated with the Partnerships operating and financial structure, as well
as to hedge specific transactions. The counterparties to these arrangements are major financial institutions with which the Partnership and its affiliates may also have other financial relationships. The Partnership is potentially exposed to credit
loss in the event of non-performance by these counterparties. However, because of the high credit ratings of the counterparties, the Partnership does not anticipate that any of the counterparties will fail to meet these obligations as they come due.
The Partnership does not hedge credit or property value market risks through derivative financial instruments.

The Partnership formally
assesses, both at inception of the hedge and on an on-going basis, whether each derivative is highly-effective in offsetting changes in cash flows of the hedged item. If management determines that a derivative is not highly-effective as a hedge or
if a derivative ceases to be a highly-effective hedge, the Partnership will discontinue hedge accounting prospectively. The related ineffectiveness would be charged to the Statement of Operations.

The valuation of these instruments is determined using widely accepted valuation techniques including discounted cash flow analysis on the expected cash
flows of each derivative. This analysis reflects the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate curves and implied volatilities. The fair values of
interest rate swaps are determined using the market standard methodology of netting the discounted future fixed cash receipts (or payments) and the discounted expected variable cash payments (or receipts). The variable cash payments (or
receipts) are based on an expectation of future interest rates (forward curves) derived from observable market interest rate curves.

To comply
with the provisions of accounting standard for fair value measurements and disclosures, the Partnership incorporates credit valuation adjustments to appropriately reflect both its own nonperformance risk and the respective counterpartys
nonperformance risk in the fair value measurements. In adjusting the fair value of its derivative contracts for the effect of nonperformance risk, the Partnership has considered the impact of netting and any applicable credit enhancements, such as
collateral postings, thresholds, mutual puts, and guarantees.

Although the Partnership has determined that the majority of the inputs used to
value its derivatives fall within Level 2 of the fair value hierarchy, the credit valuation adjustments associated with its derivatives utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default by
itself and its counterparties. However, as of September 30, 2009 and December 31, 2008, the Partnership has assessed the significance of the impact of the credit valuation adjustments on the overall valuation of its derivative positions
and has determined that the credit valuation adjustments are not significant to the overall valuation of its derivatives. As a result, the Partnership has determined that its derivative valuations in their entirety are classified in Level 2 of the
fair value hierarchy.

The following table summarizes the terms and fair values of the Partnerships derivative financial instruments at
September 30, 2009 and December 31, 2008. The notional amounts provide an indication of the extent of the Partnerships involvement in these instruments at that time, but do not represent exposure to credit, interest rate or market
risks.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



The fair value of the hedges at September 30, 2009 and December 31, 2008 is included in other
liabilities and accumulated other comprehensive income in the accompanying balance sheet, except for the $1.1 million fair value adjustment of the hedges charged to the consolidated statements of operations during the three months ended
September 30, 2009 relating to two of the Partnerships interest rate swaps. The hedging relationship with these swaps ceased upon the Companys planned issuance of its unsecured notes effective September 21, 2009, and as such
the interest rate swaps no longer qualify for hedge accounting. Accordingly, changes in the fair value of these interest rate swaps will be charged to our consolidated statements of operations until they are cash settled which the Company does not
expect to settle until the latter part of the last quarter of 2009. The Partnership also recognized $0.4 million and $0.7 million of ineffectiveness of the hedges during the three and nine months ended September 30, 2009, respectively.



|              |  |               |  |             |  |            |  |                 |         |  |        |           |     |            |       |              |  |            |  |          |  |   |        |  |   |       
|------------- |  | ------------- |  | ----------- |  | ---------- |  | --------------- | ------- |  | ------ | --------- | --- | ---------- | ----- | ------------ |  | ---------- |  | -------- |  | - | ------ |  | - | ------
|Hedge Product |  | Hedge Type    |  | Designation |  |            |  | Notional Amount |         |  | Strike |           |     | TradeDate  |       | MaturityDate |  | Fair Value
|              |  |               |  | 9/30/2009   |  | 12/31/2008 |  |                 |         |  |        | 9/30/2009 |     | 12/31/2008
|Swap          |  | Interest Rate |  | Cash Flow   |  | (b)        |  | $               | 107,700 |  | $      | 78,000    | (a) |            | 4.709 | %            |  | 9/20/07    |  | 10/18/10 |  | $ | 6,185  |  | $ | 7,204 
|Swap          |  | Interest Rate |  | Cash Flow   |  | (b)        |  |                 | 25,000  |  |        | 25,000    |     |            | 4.415 | %            |  | 10/19/07   |  | 10/18/10 |  |   | 1,069  |  |   | 1,439 
|Swap          |  | Interest Rate |  | Cash Flow   |  | (b)        |  |                 | 25,000  |  |        | 25,000    |     |            | 3.747 | %            |  | 11/26/07   |  | 10/18/10 |  |   | 845    |  |   | 1,111 
|Swap          |  | Interest Rate |  | Cash Flow   |  | (b)        |  |                 | 25,000  |  |        | 25,000    |     |            | 3.338 | %            |  | 1/4/08     |  | 12/18/09 |  |   | 181    |  |   | 603   
|Swap          |  | Interest Rate |  | Cash Flow   |  | (b)        |  |                 | 25,774  |  |        | 25,774    |     |            | 2.975 | %            |  | 10/16/08   |  | 10/30/10 |  |   | 641    |  |   | 628   
|Swap          |  | Interest Rate |  | Cash Flow   |  | (b)        |  |                 | 25,000  |  |        | 25,000    |     |            | 4.770 | %            |  | 1/4/08     |  | 12/18/19 |  |   | 2,922  |  |   | 4,079 
|Swap          |  | Interest Rate |  | Cash Flow   |  | (b)        |  |                 | 25,000  |  |        | 25,000    |     |            | 4.423 | %            |  | 3/19/08    |  | 12/18/19 |  |   | 2,169  |  |   | 3,402 
|              |  |               |  |             |  |            |  |                 |         |  |        |           |     |            |       |              |  |            |  |          |  |   |        |  |   |       
|              |  |               |  |             |  |            |  | $               | 258,474 |  | $      | 228,774   |     |            |       |              |  |            |  |          |  | $ | 14,012 |  | $ | 18,466
|              |  |               |  |             |  |            |  |                 |         |  |        |           |     |            |       |              |  |            |  |          |  |   |        |  |   |       



|(a) | - Notional amount accreting up to $155,000 through October 8, 2010.
|--- | -------------------------------------------------------------------

|(b) | - Hedging unsecured variable rate debt.
|--- | ---------------------------------------

Concentration of Credit Risk

Concentrations of credit risk arise when a number of tenants related to the
Partnerships investments or rental operations are engaged in similar business activities, or are located in the same geographic region, or have similar economic features that would cause their inability to meet contractual obligations,
including those to the Partnership, to be similarly affected. The Partnership regularly monitors its tenant base to assess potential concentrations of credit risk. Management believes the current credit risk portfolio is reasonably well diversified
and does not contain any unusual concentration of credit risk. No tenant accounted for 5% or more of the Partnerships rents during the three and nine-month periods ended September 30, 2009 and 2008. Recent developments in the general
economy and the global credit markets have had a significant adverse effect on companies in numerous industries. The Partnership has tenants concentrated in various industries that may be experiencing adverse effects from the current economic
conditions and the Partnership could be adversely affected if such tenants go into default under their leases.

10. DISCONTINUED OPERATIONS

For the three-and nine-month periods ended September 30, 2009, income from discontinued operations relates to the four properties
that the Partnership sold during 2009 and three properties designated as held for sale at September 30, 2009. The Partnership determined that these three properties, consisting of two office buildings located in Trenton, New Jersey and a
condominium interest in an office building in Lawrenceville, New Jersey, met the criteria for assets to be disposed of by sale pursuant to the related requirements provided for the classification as held for under the accounting standard for long
lived assets. Accordingly, at September 30, 2009, these asset groups are required to be measured at the lower of their carrying value or the estimated fair value less costs to sell. No provision for impairment was recognized at
September 30, 2009 as the estimated fair value of the properties less costs to sell is higher than the carrying value. The sale of the two office buildings and the condominium interest were closed on October 2 and October 13, 2009,
respectively. See Note 17 for details of the sale transactions.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



The following table summarizes the revenue and expense information for the properties classified as
discontinued operations for the three-and nine-month periods ended September 30, 2009 (in thousands):



|                                                                                            |  |                                            |       |   |                                           |   |        |  
|------------------------------------------------------------------------------------------- |  | ------------------------------------------ | ----- | - | ----------------------------------------- | - | ------ | -
|                                                                                            |  | Three-month periodended September 30, 2009 |       |   | Nine-month periodended September 30, 2009 |  
|Revenue:                                                                                    |  |                                            |       |   |                                           |   |        |  
|Rents                                                                                       |  | $                                          | 2,171 |   |                                           | $ | 7,976  |  
|Tenant reimbursements                                                                       |  |                                            | 1,602 |   |                                           |   | 5,025  |  
|Other                                                                                       |  |                                            | 1     |   |                                           |   | 122    |  
|                                                                                            |  |                                            |       |   |                                           |   |        |  
|Total revenue                                                                               |  |                                            | 3,774 |   |                                           |   | 13,123 |  
|                                                                                            |  |                                           
|Expenses:                                                                                   |  |                                            |       |   |                                           |   |        |  
|Property operating expenses                                                                 |  |                                            | 1,341 |   |                                           |   | 4,540  |  
|Real estate taxes                                                                           |  |                                            | 531   |   |                                           |   | 1,734  |  
|Depreciation and amortization                                                               |  |                                            | 512   |   |                                           |   | 2,158  |  
|Provision for impairment of discontinued operations                                         |  |                                            |      |   |                                           |   | 3,700  |  
|                                                                                            |  |                                            |       |   |                                           |   |        |  
|Total operating expenses                                                                    |  |                                            | 2,384 |   |                                           |   | 12,132 |  
|Interest income                                                                             |  |                                            |      |   |                                           |   | (1     | )
|                                                                                            |  |                                            |       |   |                                           |   |        |  
|Loss from discontinued operations before gain on sale of interests in real estate           |  |                                            | 1,390 |   |                                           |   | 990    |  
|Net loss on sale of interests in real estate                                                |  |                                            | (6    | ) |                                           |   | (1,037 | )
|                                                                                            |  |                                            |       |   |                                           |   |        |  
|Income (loss) from discontinued operations attributable to Brandywine Operating Partnership |  | $                                          | 1,384 |   |                                           | $ | (47    | )
|                                                                                            |  |                                            |       |   |                                           |   |        |  

For the three-and nine-month periods ended September 30, 2008, income from discontinued
operations relates to properties that the Partnership sold from January 1, 2008 through September 30, 2009 and the properties that were designated as held for sale at September 30, 2009. The following table summarizes the revenue and
expense information for properties classified as discontinued operations for the three-and nine-month periods ended September 30, 2008 (in thousands):



|                                                                                     |  |                                            |        |   |                                           |   |        |  
|------------------------------------------------------------------------------------ |  | ------------------------------------------ | ------ | - | ----------------------------------------- | - | ------ | -
|                                                                                     |  | Three-month periodended September 30, 2008 |        |   | Nine-month periodended September 30, 2008 |  
|Revenue:                                                                             |  |                                            |        |   |                                           |   |        |  
|Rents                                                                                |  | $                                          | 15,659 |   |                                           | $ | 48,754 |  
|Tenant reimbursements                                                                |  |                                            | 1,864  |   |                                           |   | 5,397  |  
|Other                                                                                |  |                                            | 54     |   |                                           |   | 250    |  
|                                                                                     |  |                                            |        |   |                                           |   |        |  
|Total revenue                                                                        |  |                                            | 17,577 |   |                                           |   | 54,401 |  
|                                                                                     |  |                                           
|Expenses:                                                                            |  |                                            |        |   |                                           |   |        |  
|Property operating expenses                                                          |  |                                            | 6,733  |   |                                           |   | 18,897 |  
|Real estate taxes                                                                    |  |                                            | 1,860  |   |                                           |   | 5,463  |  
|Depreciation and amortization                                                        |  |                                            | 1,627  |   |                                           |   | 12,450 |  
|Provision for impairment of discontinued operations                                  |  |                                            |       |   |                                           |   | 6,850  |  
|                                                                                     |  |                                            |        |   |                                           |   |        |  
|Total operating expenses                                                             |  |                                            | 10,220 |   |                                           |   | 43,660 |  
|Interest income                                                                      |  |                                            | 4      |   |                                           |   | 15     |  
|Interest expense                                                                     |  |                                            | (1,767 | ) |                                           |   | (4,461 | )
|                                                                                     |  |                                            |        |   |                                           |   |        |  
|Income from discontinued operations before gain on sale of interests in real estate  |  |                                            | 5,594  |   |                                           |   | 6,295  |  
|Net gain on sale of interests in real estate                                         |  |                                            |       |   |                                           |   | 21,401 |  
|                                                                                     |  |                                            |        |   |                                           |   |        |  
|Income from discontinued operations attributable to Brandywine Operating Partnership |  | $                                          | 5,594  |   |                                           | $ | 27,696 |  
|                                                                                     |  |                                            |        |   |                                           |   |        |  



61



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



The following table summarizes the balance sheet information for the three properties identified as held
for sale at September 30, 2009 (in thousands):



|                                                                  |  |   |         |  
|----------------------------------------------------------------- |  | - | ------- | -
|Real Estate Investments:                                          |  |   |         |  
|Operating property, development land and construction-in-progress |  | $ | 85,123  |  
|Accumulated depreciation                                          |  |   | (20,453 | )
|                                                                  |  |   |         |  
|                                                                  |  |   | 64,670  |  
|                                                                  | 
|Receivables                                                       |  |   | 1,556   |  
|Other assets                                                      |  |   | 7,780   |  
|                                                                  |  |   |         |  
|Total Assets Held for Sale                                        |  | $ | 74,006  |  
|                                                                  |  |   |         |  
|Liabilities held for sale                                         |  | $ | 666     |  
|                                                                  |  |   |         |  

Discontinued operations have not been segregated in the consolidated statements of cash flows.
Therefore, amounts for certain captions will not agree with respective data in the consolidated statements of operations.

11.
NON-CONTROLLING INTEREST - PARTNERS SHARE OF CONSOLIDATED REAL ESTATE VENTURES

As of September 30, 2009 and December 31,
2008, the Partnership owned interests in three consolidated real estate ventures that own three office properties containing approximately 0.4 million net rentable square feet. The Partnership is the primary beneficiary and these consolidated
real estate ventures are variable interest entities under the accounting standard for consolidation.

The non-controlling interests associated
with certain of the real estate ventures that have finite lives under the terms of the partnership agreements represent mandatorily redeemable interests as defined under the accounting standard for certain financial instruments with characteristics
of both liabilities and equity. The aggregate amount related to these non-controlling interests classified within equity is $0.1 million at September 30, 2009 and a nominal amount as of December 31, 2008. The Partnership believes that the
aggregate settlement value of these interests was approximately $8.7 million and $9.1 million as of September 30, 2009 and December 31, 2008, respectively. This amount is based on the estimated liquidation values of the assets and
liabilities and the resulting proceeds that the Partnership would distribute to its real estate venture partners upon dissolution, as required under the terms of the respective partnership agreements. Subsequent changes to the estimated liquidation
values of the assets and liabilities of the consolidated real estate ventures will affect the Partnerships estimate of the aggregate settlement value. The partnership agreements do not limit the amount that the minority partners would be
entitled to in the event of liquidation of the assets and liabilities and dissolution of the respective partnerships.



62



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



12. PARTNERS EQUITY

Earnings per Common Partnership Unit

The following table details the number of units and net income used to calculate basic and diluted earnings per common partnership unit (in thousands, except unit and per unit amounts; results may not add
due to rounding):



|                                                                                |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|------------------------------------------------------------------------------- |  | --------------------------------------- | ----------- | - | ------- | - | ----------- | ----- |  | - | ---------- | - |  | - | ---------- | -
|                                                                                |  | Three-month periods ended September 30, |            
|                                                                                |  | 2009                                    |             |   | 2008    |  
|                                                                                |  | Basic                                   |             |   | Diluted |   |             | Basic |  |   | Diluted    |  
|Numerator                                                                       |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Income (loss) from continuing operations                                        |  | $                                       | 5,925       |   |         | $ | 5,925       |       |  | $ | (3,848     | ) |  | $ | (3,848     | )
|                                                                                |  |                                         |             |  
|Net income from continuing operations attributable to non-controlling interests |  |                                         | (47         | ) |         |   | (47         | )     |  |   | (39        | ) |  |   | (39        | )
|Amount allocable to unvested restricted shareholders                            |  |                                         | (73         | ) |         |   | (73         | )     |  |   | (226       | ) |  |   | (226       | )
|Preferred share dividends                                                       |  |                                         | (1,998      | ) |         |   | (1,998      | )     |  |   | (1,998     | ) |  |   | (1,998     | )
|                                                                                |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Income (loss) from continuing operations available to common unitholders        |  |                                         | 3,807       |   |         |   | 3,807       |       |  |   | (6,111     | ) |  |   | (6,111     | )
|                                                                                |  |                                         |             |  
|Discontinued operations attributable to common unitholders                      |  |                                         | 1,384       |   |         |   | 1,384       |       |  |   | 5,594      |   |  |   | 5,594      |  
|                                                                                |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Net income available to common unitholders                                      |  | $                                       | 5,191       |   |         | $ | 5,191       |       |  | $ | (517       | ) |  | $ | (517       | )
|                                                                                |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|                                                                                |  |                                         |             |  
|Denominator                                                                     |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Weighted-average units outstanding                                              |  |                                         | 131,399,119 |   |         |   | 131,399,119 |       |  |   | 90,512,513 |   |  |   | 90,512,513 |  
|Contingent securities/Stock based compensation                                  |  |                                         |            |   |         |   | 1,343,612   |       |  |   |           |   |  |   |           |  
|                                                                                |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Total weighted-average common partnership units outstanding                     |  |                                         | 131,399,119 |   |         |   | 132,742,731 |       |  |   | 90,512,513 |   |  |   | 90,512,513 |  
|                                                                                |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|                                                                                |  |                                         |             |  
|Earnings per Common Partnership Unit:                                           |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Income from continuing operations attributable to common unitholders            |  | $                                       | 0.03        |   |         | $ | 0.03        |       |  | $ | (0.07      | ) |  | $ | (0.07      | )
|Discontinued operations attributable to common unitholders                      |  |                                         | 0.01        |   |         |   | 0.01        |       |  |   | 0.06       |   |  |   | 0.06       |  
|                                                                                |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Net (loss) income attributable to common unitholders                            |  | $                                       | 0.04        |   |         | $ | 0.04        |       |  | $ | (0.01      | ) |  | $ | (0.01      | )
|                                                                                |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|                                                                                | 
|                                                                                |  | Nine-month periods ended September 30,  |            
|                                                                                |  | 2009                                    |             |   | 2008    |  
|                                                                                |  | Basic                                   |             |   | Diluted |   |             | Basic |  |   | Diluted    |  
|Numerator                                                                       |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Income (loss) from continuing operations                                        |  | $                                       | 12,263      |   |         | $ | 12,263      |       |  | $ | (4,140     | ) |  | $ | (4,140     | )
|                                                                                |  |                                         |             |  
|Net income from continuing operations attributable to non-controlling interests |  |                                         | (69         | ) |         |   | (69         | )     |  |   | (117       | ) |  |   | (117       | )
|Amount allocable to unvested restricted shareholders                            |  |                                         | (183        | ) |         |   | (183        | )     |  |   | (620       | ) |  |   | (620       | )
|Preferred share dividends                                                       |  |                                         | (5,994      | ) |         |   | (5,994      | )     |  |   | (5,994     | ) |  |   | (5,994     | )
|                                                                                |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Income (loss) from continuing operations available to common unitholders        |  |                                         | 6,017       |   |         |   | 6,017       |       |  |   | (10,871    | ) |  |   | (10,871    | )
|                                                                                |  |                                         |             |  
|Discontinued operations attributable to common unitholders                      |  |                                         | (47         | ) |         |   | (47         | )     |  |   | 27,696     |   |  |   | 27,696     |  
|                                                                                |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Net income available to common unitholders                                      |  | $                                       | 5,970       |   |         | $ | 5,970       |       |  | $ | 16,825     |   |  | $ | 16,825     |  
|                                                                                |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|                                                                                |  |                                         |             |  
|Denominator                                                                     |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Weighted-average units outstanding                                              |  |                                         | 109,090,130 |   |         |   | 109,090,130 |       |  |   | 90,239,729 |   |  |   | 90,239,729 |  
|Contingent securities/Stock based compensation                                  |  |                                         |            |   |         |   | 933,042     |       |  |   |           |   |  |   | 14,025     |  
|                                                                                |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Total weighted-average common partnership units outstanding                     |  |                                         | 109,090,130 |   |         |   | 110,023,172 |       |  |   | 90,239,729 |   |  |   | 90,253,754 |  
|                                                                                |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|                                                                                |  |                                         |             |  
|Earnings per Common Partnership Unit:                                           |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Income from continuing operations attributable to common unitholders            |  | $                                       | 0.06        |   |         | $ | 0.05        |       |  | $ | (0.12      | ) |  | $ | (0.12      | )
|Discontinued operations attributable to common unitholders                      |  |                                         | (0.01       | ) |         |   |            |       |  |   | 0.31       |   |  |   | 0.31       |  
|                                                                                |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  
|Net (loss) income attributable to common unitholders                            |  | $                                       | 0.05        |   |         | $ | 0.05        |       |  | $ | 0.19       |   |  | $ | 0.19       |  
|                                                                                |  |                                         |             |   |         |   |             |       |  |   |            |   |  |   |            |  

Unvested restricted shares are considered participating securities which require the use of the
two-class method for the computation of basic and diluted earnings per share. For the three-and nine months ended September 30, 2009 and 2008, earnings representing nonforfeitable dividends as noted in the table above were allocated to the
unvested restricted shares.



63



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



Common Partnership Unit and Preferred Mirror Units

On September 16, 2009, the Partnership declared a distribution of $0.10 per Common Partnership Unit, totaling $12.9 million, which was paid on
October 19, 2009 to unitholders of record as of October 5, 2009.

On September 16, 2009, the Partnership declared distributions
on its Series C Preferred Mirror Units and Series D Preferred Mirror Units to holders of record as of September 30, 2009. These units are entitled to a preferential return of 7.50% and 7.375%, respectively. Distributions paid on
October 15, 2009 to holders of Series C Preferred Mirror Units and Series D Preferred Mirror Units totaled $0.9 million and $1.1 million, respectively.

On June 2, 2009, the Company completed its public offering (the offering) of 40,250,000 of its common shares, par value $0.01 per share. The common shares were issued and sold by the
Company to the underwriters at a public offering price of $6.30 per common share in accordance with an underwriting agreement. The common shares sold include 5,250,000 shares issued and sold pursuant to the underwriters exercise in full of
their over-allotment option under the underwriting agreement. The Company received net proceeds of approximately $242.3 million from the offering net of underwriting discounts, commissions and expenses. The Company used the net proceeds from the
offering to repay outstanding borrowings under its $600.0 million unsecured revolving credit facility amounting to $242.0 million and for general corporate purposes. The Company contributed the proceeds received from the sale of its shares to the
Partnership and the Partnership then issued 40,250,000 common partnership units to the Company.

Common Share
Repurchases

The Company maintains a share repurchase program under which the Board has authorized the Company to repurchase its common
shares from time to time. The Board initially authorized this program in 1998 and has periodically replenished capacity under the program. On May 2, 2006 the Companys Board restored capacity to 3.5 million common shares.

Neither the Company nor the Partnership repurchased any shares during the three-and nine month periods ended September 30, 2009. As of
September 30, 2009, the Company and the Partnership may purchase an additional 0.5 million shares under the plan.

Repurchases may
be made from time to time in the open market or in privately negotiated transactions, subject to market conditions and compliance with legal requirements. The share repurchase program does not contain any time limitation and does not obligate the
Company or the Partnership to repurchase any shares. The Company and the Partnership may discontinue the program at any time.

13. SHARE
BASED AND DEFERRED COMPENSATION

Stock Options

At September 30, 2009, the Company had 2,431,139 options outstanding under its shareholder approved equity incentive plan. There were 1,806,163 options unvested as of September 30, 2009 and $0.7
million of unrecognized compensation expense associated with these options recognized over a weighted average of 1.9 years. During the nine months ended September 30, 2009 the Partnership recognized $0.3 million of compensation expense,
included in general and administrative expense related to unvested options.



64



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##### Table of Contents

BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



Option activity as of September 30, 2009 and changes during the nine months ended
September 30, 2009 were as follows:



|                                         |  |           |  |                       |       |                                      |      |                                     |   |             |  
|---------------------------------------- |  | --------- |  | --------------------- | ----- | ------------------------------------ | ---- | ----------------------------------- | - | ----------- | -
|                                         |  | Shares    |  | AverageExercise Price |       | Remaining ContractualTerm (in years) |      | Aggregate IntrinsicValue (in 000s) |  
|Outstanding at January 1, 2009           |  | 1,754,648 |  | $                     | 20.41 |                                      | 8.77 |                                     | $ | (30,093     | )
|Granted                                  |  | 676,491   |  |                       | 2.91  |                                      | 9.51 |                                     |   | 5,499,869   |  
|Exercised                                |  |          |  |                       |      |                                      |     |                                     |   |            |  
|Forfeited or expired                     |  |          |  |                       |      |                                      |     |                                     |   |            |  
|                                         |  |           |  |                       |       |                                      |      |                                     |   |             |  
|Outstanding at September 30, 2009        |  | 2,431,139 |  | $                     | 15.54 |                                      | 8.63 |                                     | $ | (10,936,607 | )
|                                         |  |           |  |                       |       |                                      |      |                                     |   |             |  
|                                         |  |           |  |                      
|Vested/Exercisable at September 30, 2009 |  | 624,976   |  | $                     | 20.04 |                                      | 7.80 |                                     | $ | (5,571,999  | )

Restricted Share Awards

As of September 30, 2009, 734,057 restricted shares were outstanding and vest over three to seven years from the initial grant date. The remaining
compensation expense to be recognized at September 30, 2009 was approximately $6.2 million. That expense is expected to be recognized over a weighted average remaining vesting period of 2.3 years. The Partnership recognized compensation expense
related to outstanding restricted shares of $2.5 million during the nine-month periods ended September 30, 2009, of which $0.7 million of the current year expense was capitalized as part of the Partnerships review of employee salaries
eligible for capitalization. The Partnership recognized $2.4 million of compensation expense during the nine months period ended September 30, 2008. The expensed amounts are included in general and administrative expense on the
Partnerships consolidated statements of operations in the respective periods.

The following table summarizes the Partnerships
restricted share activity for the nine-months ended September 30, 2009:



|                                 |  |          |   |  |                                      |      
|-------------------------------- |  | -------- | - |  | ------------------------------------ | -----
|                                 |  | Shares   |   |  | WeightedAverage GrantDate Fair value
|Non-vested at January 1, 2009    |  | 475,496  |   |  | $                                    | 26.21
|Granted                          |  | 372,586  |   |  |                                      | 3.36 
|Vested                           |  | (111,703 | ) |  |                                      | 22.85
|Forfeited                        |  | (2,322   | ) |  |                                      | 22.19
|                                 |  |          |   |  |                                      |      
|Non-vested at September 30, 2009 |  | 734,057  |   |  | $                                    | 9.78 
|                                 |  |          |   |  |                                      |      

Restricted Performance Share Units Plan

On April 1, 2009 the Compensation Committee of the Companys Board of Trustees awarded 488,292 share-based units, referred to as referred to as
Restricted Performance Share Units (RPSU). The awards are contingent upon the Partnerships total shareholder return as compared to its industry peers and the employment status of the participants through the performance period. The
performance period commenced on January 1, 2009 and will end on the earlier of December 31, 2011 or the date of a change in control.

If the total shareholder return during the measurement period places the Partnership at or above a certain percentile as compared to its peers based on an industry-based index at the end of the measurement period then the number of shares
that will be delivered shall equal a certain percentage of the participants base units.

The participants will also receive dividend
equivalent rights (DER) based on the initial number of the units awarded. The DER will be calculated throughout the vesting period and the dollar value of the DER will be used to purchase additional RPSU. All shares due to the
participants will be delivered on March 1, 2012. On April 1, 2009, the Partnership awarded 488,292 RPSU to its officers. The shares awarded have a 3 year cliff vesting period which is the period the $1.1 million fair value of the awards
will be amortized. On the date of the grant, the awards were valued using a Monte Carlo simulation. For the three and nine month periods ended September 30, 2009, the Partnership recognized compensation expense of $0.1 and $0.2 million,
respectively, related to this plan.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



Outperformance Program

On August 28, 2006, the Compensation Committee of the Companys Board of Trustees adopted a long-term incentive compensation program (the
outperformance program) under the Plan. The outperformance program provided for share-based awards, with share issuances (if any) to take the form of both vested and restricted common shares and with any share issuances contingent upon
the Companys total shareholder return during a three year measurement period exceeding specified performance hurdles. These hurdles were not met and, accordingly, no shares were delivered under the outperformance program and the outperformance
program has terminated in accordance with its terms. The awards under the outperformance program were accounted for in accordance with the accounting standard for stock-based compensation. The aggregate grant date fair values of the awards under the
outperformance program, as adjusted for estimated forfeitures, were approximately $5.9 million (with the values determined through a Monte Carlo simulation) and are being amortized into expense over the five-year vesting period beginning on the
grant dates using a graded vesting attribution model.

For the three-and nine-month periods ended September 30, 2009, the Partnership
recognized $0.2 million and $0.8 million, respectively, of compensation expenses related to the outperformance program. For the three-and nine-month periods ended September 30, 2008, the Partnership recognized $0.4 million and $1.1 million,
respectively, of compensation expense related to the outperformance program.

Employee Share Purchase Plan

On May 9, 2007, the Companys shareholders approved the 2007 Non-Qualified Employee Share Purchase Plan (the
ESPP). The ESPP is intended to provide eligible employees with a convenient means to purchase common shares of the Partnership through payroll deductions and voluntary cash purchases at an amount equal to 85% of the average closing price
per share for a specified period. Under the plan document, the maximum participant contribution for the 2009 plan year is limited to the lesser of 20% of compensation or $25,000. The number of shares reserved for issuance under the ESPP is 1.25
million. During the three-and nine-month periods ended September 30, 2009, employees made purchases of $0.1 million and $0.3 million, respectively, under the ESPP. The Partnership recognized $0.1 million of compensation expense related to the
ESPP during the nine months ended September 30, 2009. During the three-and nine-month periods ended September 30, 2008, employees made purchases of $0.1 million and $0.5 million, respectively under the ESPP. The Partnership recognized
$0.1 million of compensation expense related to the ESPP during the nine months ended September 30, 2008. The Board of Trustees of the Company may terminate the ESPP at its sole discretion at anytime.

Deferred Compensation

In January 2005, the Company adopted a Deferred Compensation Plan (the Plan) that allows trustees and certain key employees to voluntarily defer compensation. Compensation expense is recorded for the deferred compensation and a
related liability is recognized. Participants may elect designated benchmark investment options for the notational investment of their deferred compensation. The deferred compensation obligation is adjusted for deemed income or loss related to the
investments selected. At the time the participants defer compensation, the Partnership records a liability, which is included in the Partnerships consolidated balance sheet. The liability is adjusted for changes in the market value of the
participants selected investments at the end of each accounting period, and the impact of adjusting the liability is recorded as an increase or decrease to compensation cost. As of September 30, 2009 and 2008, the Partnership recorded a net
increase in compensation costs of $1.2 million and a reduction of $1.3 million, respectively, in connection with the Plan due to the change in market value of the participant investments in the Plan.

The deferred compensation obligations are unfunded, but the Partnership has purchased company-owned life insurance policies which can be utilized as a
future funding source for the obligations related to the Plan. Participants in the Plan have no interest in any assets set aside by the Partnership to meet its obligations under the deferral plan.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



Participants in the Deferred Compensation Plan may elect to have all or a portion of their deferred
compensation invested in the Companys common shares. The Company holds these shares in a rabbi trust, which is subject to the claims of the Companys creditors in the event of the Companys bankruptcy or insolvency. The Plan does not
provide for diversification of a participants deferral allocated to the Company common share and deferrals allocated to Company common share can only be settled with a fixed number of shares. In accordance with the accounting standard for
deferred compensation arrangements where amounts earned are held in a rabbi trust and invested,, the deferred compensation obligation associated with Company common share is classified as a component of shareholders equity and the related
shares are treated as shares to be issued and are included in total shares outstanding. At September 30, 2009 and 2008, there were 0.3 million and 0.2 million shares, respectively, to be issued included in total shares outstanding.
Subsequent changes in the fair value of the common shares are not reflected in operations or shareholders equity of the Company.

14.
TAX CREDIT TRANSACTIONS

Historic Tax Credit Transaction

On November 17, 2008, the Partnership closed a transaction with US Bancorp (USB) related to the historic rehabilitation of the 30th Street
Post Office in Philadelphia, Pennsylvania (Project), an 862,692 square foot office building which is 100% pre-leased to the Internal Revenue Service (expected commencement of the IRS lease is August 2010). USB has agreed to contribute
approximately $67.9 million of Project costs and advanced $10.2 million of that contemporaneously with the closing of the transaction. The remaining funds will be advanced in 2009 and 2010 subject to the Partnerships achievement of certain
construction milestones and its compliance with the federal rehabilitation regulations. In return for the investment, USB will, upon completion of the Project in 2010, receive substantially all of the rehabilitation credits available under section
47 of the Internal Revenue Code.

In exchange for its contributions into the Project, USB is entitled to substantially all of the benefits
derived from the tax credit, but does not have a material interest in the underlying economics of the property. This transaction also includes a put/call provision whereby the Partnership may be obligated or entitled to repurchase USBs
interest in the Project. The Partnership believes the put will be exercised and an amount attributed to that puttable non-controlling interest obligation is included in other liabilities.

Based on the contractual arrangements that obligate the Partnership to deliver tax benefits and provide other guarantees to USB and that entitle the
Partnership through fee arrangements to receive substantially all available cash flow from the Project, the Partnership concluded that the Project should be consolidated in accordance with accounting standard for consolidation. The Partnership also
concluded that capital contributions received from USB, in substance, are consideration that the Partnership receives in exchange for its obligation to deliver tax credits and other tax benefits to USB. These receipts, other than amounts allocated
to the put obligation, will be recognized as revenue in the consolidated financial statements beginning when the obligation to USB is relieved upon delivery of the expected tax benefits net of any associated costs. The USB contribution made during
2008 of $10.0 million, net of the amount allocated to non-controlling interest of $0.2 million as described above, is included in other liabilities on the Partnerships consolidated balance sheet at September 30, 2009 and December 31,
2008. The Partnership anticipates that upon completion of the Project in 2010 it will begin to recognize the cash received as revenue as the five year credit recapture period expires as defined in the Internal Revenue Code.

Direct and incremental costs incurred in structuring the arrangement are deferred and amortized in proportion to the recognition of the related revenue. The
deferred cost at September 30, 2009 is $2.3 million and is included in other assets on the Partnerships consolidated balance sheet. Amounts included in interest expense related to the accretion of the non-controlling interest liability
and the 2% return expected to be paid to USB on its non-controlling interest aggregate to $0.1 million for the nine months ended September 30, 2009.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



New Markets Tax Credit Transaction

On December 30, 2008, the Partnership entered into a transaction with USB related to the Cira Garage Project (garage project) in
Philadelphia, Pennsylvania and expects to receive a net benefit of $7.8 million under a qualified New Markets Tax Credit Program (NMTC). The NMTC was provided for in the Community Renewal Tax Relief Act of 2000 (the Act) and
is intended to induce investment capital in underserved and impoverished areas of the United States. The Act permits taxpayers (whether companies or individuals) to claim credits against their Federal income taxes for up to 39% of qualified
investments in qualified, active low-income businesses or ventures.

USB contributed $13.3 million into the garage project and as such they
are entitled to substantially all of the benefits derived from the tax credit, but they do not have a material interest in the underlying economics of the garage project. This transaction also includes a put/call provision whereby the Partnership
may be obligated or entitled to repurchase USBs interest. The Partnership believes the put will be exercised and an amount attributed to that obligation is included in other liabilities.

Based on the contractual arrangements that obligate the Partnership to deliver tax benefits and provide various other guarantees to USB, the Partnership
concluded that the project should be consolidated in accordance with FIN 46R. Proceeds received in exchange for the transfer of the tax credits will be recognized when the tax benefits are delivered without risk of recapture to the tax credit
investors and the Partnerships obligation is relieved. Accordingly, the USB contribution of $13.3 million is included in other liabilities on the Partnerships consolidated balance sheet at September 30, 2009 and December 31,
2008.

Direct and incremental costs incurred in structuring the arrangement are deferred and amortized over the expected duration of the
arrangement in proportion to the recognition of the related revenue. The deferred asset at September 30, 2009 is $5.3 million and is included in other assets on the Partnerships consolidated balance sheet.

The Partnership anticipates that it will recognize the net cash received as revenue in the year ended December 31, 2015. The NMTC is subject to 100%
recapture for a period of seven years.

15. SEGMENT INFORMATION

As of September 30, 2009, the Partnership manages its portfolio within six segments: (1) Pennsylvania, (2) Metropolitan Washington D.C, (3) New Jersey/Delaware, (4) Richmond,
Virginia, (5) California and (6) Austin, Texas. The Pennsylvania segment includes properties in Chester, Delaware, Bucks, and Montgomery counties in the Philadelphia suburbs and the City of Philadelphia in Pennsylvania. The Metropolitan
Washington, D.C. segment includes properties in Northern Virginia and suburban Maryland. The New Jersey/Delaware segment includes properties in Burlington, Camden and Mercer counties and in counties in the southern and central part of New Jersey and
in New Castle county in the state of Delaware. The Richmond, Virginia segment includes properties primarily in Albemarle, Chesterfield, Goochland and Henrico counties and Durham, North Carolina. The California segment includes properties in Oakland,
Concord, Carlsbad and Rancho Bernardo. The Austin, Texas segment includes properties in Coppell and Austin. The corporate group is responsible for cash and investment management, development of certain real estate properties during the construction
period, and certain other general support functions. Land held for development and construction in progress are transferred to operating properties by region upon completion of the associated construction or project.

The Austin, Texas segment was previously known as the Southwest segment. In order to provide specificity and to reflect the disposition of properties in
Dallas, Texas in 2007, the Partnership now considers this segment to be Austin, Texas. The California segment was previously broken out into California  North and California  South. Upon the completion of the Northern California
transaction in 2008, the Partnership owns three properties and two land parcels in Northern California. As a result, the California  North and the California  South segments are now combined into the California segment. The Partnership
has restated the corresponding items of segment information for the three and nine month periods ended September 30, 2008 to conform to the new presentation.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



Segment information is as follows (in thousands):



|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|---------------------------------------------------------------------------------- |  | ------------ | --------- | ------------------ | - | ------------------- |  | ----------------- | ------- | ---------- | - | ------------- |  | --------- | ------- |  | ----- | ------- |  | - | ------- | - |  | - | ---------
|                                                                                   |  | Pennsylvania |           | Metropolitan, D.C. |   | New Jersey/Delaware |  | Richmond,Virginia |         | California |   | Austin, Texas |  | Corporate |         |  | Total
|As of September 30, 2009:                                                          |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Real estate investments, at cost:                                                  |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Operating properties                                                               |  | $            | 1,724,866 |                    | $ | 1,365,086           |  | $                 | 600,191 |            | $ | 297,969       |  | $         | 248,549 |  | $     | 276,717 |  | $ |        |   |  | $ | 4,513,378
|Construction-in-progress                                                           |  | $            |          |                    | $ |                    |  | $                 |        |            | $ |              |  | $         |        |  | $     |        |  | $ | 229,259 |   |  | $ | 229,259  
|Land inventory                                                                     |  | $            |          |                    | $ |                    |  | $                 |        |            | $ |              |  | $         |        |  | $     |        |  | $ | 97,390  |   |  | $ | 97,390   
|                                                                                   |  |              |           |                    |   |                     |  |                  
|As of December 31, 2008:                                                           |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Real estate investments, at cost:                                                  |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Operating properties                                                               |  | $            | 1,734,948 |                    | $ | 1,371,997           |  | $                 | 674,503 |            | $ | 297,171       |  | $         | 248,876 |  | $     | 280,825 |  | $ |        |   |  | $ | 4,608,320
|Construction-in-progress                                                           |  | $            |          |                    | $ |                    |  | $                 |        |            | $ |              |  | $         |        |  | $     |        |  | $ | 122,219 |   |  | $ | 122,219  
|Land inventory                                                                     |  | $            |          |                    | $ |                    |  | $                 |        |            | $ |              |  | $         |        |  | $     |        |  | $ | 100,516 |   |  | $ | 100,516  
|                                                                                   |  |              |           |                    |   |                     |  |                  
|For the three-months ended September 30, 2009:                                     |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Total revenue                                                                      |  | $            | 59,156    |                    | $ | 35,412              |  | $                 | 26,241  |            | $ | 9,031         |  | $         | 8,572   |  | $     | 8,493   |  | $ | (312    | ) |  | $ | 146,593  
|Property operating expenses, real estate taxes and third party management expenses |  |              | 21,073    |                    |   | 12,552              |  |                   | 12,195  |            |   | 3,417         |  |           | 3,735   |  |       | 3,606   |  |   | (24     | ) |  |   | 56,554   
|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Net operating income                                                               |  | $            | 38,083    |                    | $ | 22,860              |  | $                 | 14,046  |            | $ | 5,614         |  | $         | 4,837   |  | $     | 4,887   |  | $ | (288    | ) |  | $ | 90,039   
|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|                                                                                   |  |              |           |                    |   |                     |  |                  
|For the three-months ended September 30, 2008:                                     |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Total revenue                                                                      |  | $            | 58,727    |                    | $ | 34,049              |  | $                 | 25,988  |            | $ | 9,400         |  | $         | 7,299   |  | $     | 9,352   |  | $ | (477    | ) |  | $ | 144,338  
|Property operating expenses, real estate taxes and third party management expenses |  |              | 21,692    |                    |   | 12,032              |  |                   | 13,027  |            |   | 3,132         |  |           | 2,293   |  |       | 3,958   |  |   | (679    | ) |  |   | 55,455   
|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Net operating income                                                               |  | $            | 37,035    |                    | $ | 22,017              |  | $                 | 12,961  |            | $ | 6,268         |  | $         | 5,006   |  | $     | 5,394   |  | $ | 202     |   |  | $ | 88,883   
|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|                                                                                   |  |              |           |                    |   |                     |  |                  
|For the nine-months ended September 30, 2009:                                      |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Total revenue                                                                      |  | $            | 178,215   |                    | $ | 105,222             |  | $                 | 77,136  |            | $ | 27,481        |  | $         | 22,104  |  | $     | 26,411  |  | $ | (985    | ) |  | $ | 435,584  
|Property operating expenses, real estate taxes and third party management expenses |  |              | 65,441    |                    |   | 39,304              |  |                   | 35,424  |            |   | 10,704        |  |           | 10,513  |  |       | 11,615  |  |   | (746    | ) |  |   | 172,255  
|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Net operating income                                                               |  | $            | 112,774   |                    | $ | 65,918              |  | $                 | 41,712  |            | $ | 16,777        |  | $         | 11,591  |  | $     | 14,796  |  | $ | (239    | ) |  | $ | 263,329  
|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|                                                                                   |  |              |           |                    |   |                     |  |                  
|For the nine-months ended September 30, 2008:                                      |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Total revenue                                                                      |  | $            | 183,073   |                    | $ | 102,538             |  | $                 | 77,681  |            | $ | 28,221        |  | $         | 21,938  |  | $     | 28,335  |  | $ | (1,475  | ) |  | $ | 440,311  
|Property operating expenses, real estate taxes and third party management expenses |  |              | 64,509    |                    |   | 36,264              |  |                   | 35,532  |            |   | 9,314         |  |           | 8,345   |  |       | 12,316  |  |   | 2,545   |   |  |   | 168,825  
|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          
|Net operating income                                                               |  | $            | 118,564   |                    | $ | 66,274              |  | $                 | 42,149  |            | $ | 18,907        |  | $         | 13,593  |  | $     | 16,019  |  | $ | (4,020  | ) |  | $ | 271,486  
|                                                                                   |  |              |           |                    |   |                     |  |                   |         |            |   |               |  |           |         |  |       |         |  |   |         |   |  |   |          



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



Net operating income is defined as total revenue less property operating expenses, real estate taxes and
third party management expenses. Segment net operating income includes revenue, real estate taxes and property operating expenses directly related to operation and management of the properties owned and managed within the respective geographical
region. Segment net operating income excludes property level depreciation and amortization, revenue and expenses directly associated with third party real estate management services, expenses associated with corporate administrative support
services, and inter-company eliminations. Below is a reconciliation of consolidated net operating income to consolidated income from continuing operations:



|                                                            |  |                                        |         |   |                                       |   |         |      |  |   |          |   |  |   |          |  
|----------------------------------------------------------- |  | -------------------------------------- | ------- | - | ------------------------------------- | - | ------- | ---- |  | - | -------- | - |  | - | -------- | -
|                                                            |  | Three-month periodsended September 30, |         |   | Nine-month periodsended September
30, |  
|                                                            |  | 2009                                   |         |   | 2008                                  |   |         | 2009 |  |   | 2008     |  
|Consolidated net operating income                           |  | $                                      | 90,039  |   |                                       | $ | 88,883  |      |  | $ | 263,329  |   |  | $ | 271,486  |  
|Less:                                                       |  |                                        |         |   |                                       |   |         |      |  |   |          |   |  |   |          |  
|Interest expense                                            |  |                                        | (31,455 | ) |                                       |   | (36,037 | )    |  |   | (102,045 | ) |  |   | (109,822 | )
|Deferred financing costs                                    |  |                                        | (1,579  | ) |                                       |   | (1,092  | )    |  |   | (4,725   | ) |  |   | (3,798   | )
|Recognized hedge activity                                   |  |                                        | (1,517  | ) |                                       |   |        |      |  |   | (1,822   | ) |  |   |         |  
|Depreciation and amortization                               |  |                                        | (51,422 | ) |                                       |   | (50,019 | )    |  |   | (155,852 | ) |  |   | (151,627 | )
|General & administrative expenses                           |  |                                        | (5,018  | ) |                                       |   | (6,863  | )    |  |   | (15,491  | ) |  |   | (17,902  | )
|Plus:                                                       |  |                                        |         |   |                                       |   |         |      |  |   |          |   |  |   |          |  
|Interest income                                             |  |                                        | 473     |   |                                       |   | 221     |      |  |   | 1,695    |   |  |   | 603      |  
|Equity in income of real estate ventures                    |  |                                        | 1,331   |   |                                       |   | 1,059   |      |  |   | 3,450    |   |  |   | 3,838    |  
|Net loss on sales of interests in undepreciated real estate |  |                                        |        |   |                                       |   |        |      |  |   |         |   |  |   | (24      | )
|Gain on early extinguishment of debt                        |  |                                        | 5,073   |   |                                       |   |        |      |  |   | 23,724   |   |  |   | 3,106    |  
|                                                            |  |                                        |         |   |                                       |   |         |      |  |   |          |   |  |   |          |  
|Income (loss) from continuing operations                    |  |                                        | 5,925   |   |                                       |   | (3,848  | )    |  |   | 12,263   |   |  |   | (4,140   | )
|Income (loss) from discontinued operations                  |  |                                        | 1,384   |   |                                       |   | 5,594   |      |  |   | (47      | ) |  |   | 27,696   |  
|                                                            |  |                                        |         |   |                                       |   |         |      |  |   |          |   |  |   |          |  
|Net income                                                  |  | $                                      | 7,309   |   |                                       | $ | 1,746   |      |  | $ | 12,216   |   |  | $ | 23,556   |  
|                                                            |  |                                        |         |   |                                       |   |         |      |  |   |          |   |  |   |          |  

16. COMMITMENTS AND CONTINGENCIES

Legal Proceedings

The Partnership is involved from time to time in litigation on various matters, including disputes with tenants and disputes arising out of agreements to purchase or sell properties. Given the nature of the Partnerships business
activities, these lawsuits are considered routine to the conduct of its business. The result of any particular lawsuit cannot be predicted, because of the very nature of litigation, the litigation process and its adversarial nature, and the jury
system. The Partnership does not expect that the liabilities, if any, that may ultimately result from such legal actions will have a material adverse effect on the consolidated financial position, results of operations or cash flows of the
Partnership.

Environmental

As an owner of real estate, the Partnership is subject to various environmental laws of federal, state, and local governments. The Partnerships compliance with existing laws has not had a material
adverse effect on its financial condition and results of operations, and the Partnership does not believe it will have a material adverse effect in the future. However, the Partnership cannot predict the impact of unforeseen environmental
contingencies or new or changed laws or regulations on its current Properties or on properties that the Partnership may acquire.



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



Ground Rent

Future minimum rental payments under the terms of all non-cancellable ground leases under which the Partnership is the lessee are expensed on a straight-line basis regardless of when payments are due.
Minimum future rental payments on non-cancelable leases at March 31, 2009 are as follows (in thousands):



|           |  |   |        
|---------- |  | - | -------
|2009       |  | $ | 497    
|2010       |  |   | 2,236  
|2011       |  |   | 2,318  
|2012       |  |   | 2,318  
|2013       |  |   | 2,318  
|Thereafter |  |   | 290,313

One of the land leases for a property (currently under development) provide for contingent rent
participation by the lessor in certain capital transactions and net operating cash flows of the property after certain returns are achieved by the Partnership. Such amounts, if any, will be reflected as contingent rent when incurred. The leases also
provide for payment by the Partnership of certain operating costs relating to the land, primarily real estate taxes. The above schedule of future minimum rental payments does not include any contingent rent amounts nor any reimbursed expenses.

Other Commitments or Contingencies

As part of the Partnerships September 2004 acquisition of a portfolio of properties from The Rubenstein Partnership (which the Partnership refers to as the TRC acquisition), the Partnership acquired
its interest in Two Logan Square, a 702,006 square foot office building in Philadelphia, primarily through its ownership of a second and third mortgage secured by this property. This property is consolidated as the borrower is a variable interest
entity and the Partnership, through its ownership of the second and third mortgages, is the primary beneficiary. The Partnership currently does not expect to take title to Two Logan Square until, at the earliest, September 2019. If the Partnership
takes fee title to Two Logan Square upon a foreclosure of its mortgage, the Partnership has agreed to pay an unaffiliated third party that holds a residual interest in the fee owner of this property an amount equal to $0.6 million (if we must pay a
state and local transfer upon taking title) and $2.9 million (if no transfer tax is payable upon the transfer).

The Partnership is currently
being audited by the Internal Revenue Service for its 2004 tax year. The audit concerns the tax treatment of the TRC transaction in September 2004 in which the Partnership acquired a portfolio of properties through the acquisition of a limited
partnership. At this time it does not appear that an adjustment would result in a material tax liability for the Partnership. However, an adjustment could raise a question as to whether a contributor of partnership interests in the 2004
transaction could assert a claim against the Partnership under the tax protection agreement entered into as part of the transaction.

As part
of the Partnerships 2006 acquisition of Prentiss Properties Trust, the TRC acquisition in 2004 and several of our other transactions, the Partnership agreed not to sell certain of the properties it acquired in transactions that would trigger
taxable income to the former owners. In the case of the TRC acquisition, the Partnership agreed not to sell acquired properties for periods up to 15 years from the date of the TRC acquisition date as follows at June 30, 2009: One Rodney Square
and 130/150/170 Radnor Financial Center (January 2015); and One Logan Square, Two Logan Square and Radnor Corporate Center (January 2020). In the Prentiss acquisition, the Partnership assumed the obligation of Prentiss not to sell Concord Airport
Plaza before March 2018. The Partnerships agreements generally provide that it may dispose of the subject properties only in transactions that qualify as tax-free exchanges under Section 1031 of the Internal Revenue Code or in other tax
deferred transactions. If the Partnership were to sell a restricted property before expiration of the restricted period in a non-exempt transaction, the Partnership may be required to make significant payments to the parties who sold it the
applicable property on account of tax liabilities attributed to them.

The Partnership invests in its properties and regularly incurs capital
expenditures in the ordinary course to maintain the properties. The Partnership believes that such expenditures enhance our competitiveness. The Partnership also enters into construction, utility and service contracts in the ordinary course of
business which may extend beyond one year. These contracts typically provide for cancellation with insignificant or no cancellation penalties.

During 2008, in connection with our development of the Post Office project and garage project, we entered into a historic tax credit and new market tax credit arrangement, respectively (See Note 13). The Partnership is required to be in
compliance with various laws, regulations and contractual provisions that apply to its historic and new market tax credit arrangements. Non-compliance with



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BRANDYWINE OPERATING PARTNERSHIP, L.P.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS(Continued)

September 30, 2009



applicable requirements could result in projected tax benefits not being realized and require a refund or reduction of investor capital contributions, which are principally reported as deferred
income within other liabilities in the Partnerships consolidated balance sheet, until such time as its obligation to deliver tax benefits is relieved. The remaining compliance periods for its tax credit arrangements runs through 2015. The
Partnership does not anticipate that any material refunds or reductions of investor capital contributions will be required in connection with these arrangements.

On June 29, 2009, the Partnership entered into a forward financing commitment to borrow up to $256.5 million under two separate loans which are secured by mortgages on the Post Office project, the
garage project and by the leases of space at these facilities upon the completion of these projects (See Note 7). In order for funding to occur, certain conditions must be met by the Partnership and primarily relate to the completion of the projects
and the commencement of the rental payments from the respective leases on these properties. The expected funding date is scheduled on August 26, 2010 which is also the anticipated completion date of the projects. In the event the said
conditions were not met, the Partnership has the right to extend the funding date by paying an extension fee amounting to $1.8 million for each 30 day extension within the allowed two year extension period. In addition, the Partnership can also
voluntarily elect to terminate the loans during the forward period including the extension period by paying a termination fee. The Partnership is also subject to the termination fee if the conditions were not met on the final advance date. The
termination fee is calculated as the greater of the 0.5% of the total available principal to be funded or the difference between the present value of the scheduled interest and principal payments (based on the principal amount to be funded and the
then 20-year treasury rate plus 50 basis points) from the funding date through the loans maturity date and the amount to be funded. In addition, deferred financing costs related to these loans will be accelerated if the Partnership chose to
terminate the forward financing commitment.

17. SUBSEQUENT EVENTS

On October 2, 2009, the Company sold two office properties, totaling 473,658 net rentable square feet in Trenton, New Jersey for an aggregate sales price of $85.0 million. The Partnership provided to
the buyer a $22.5 million seven-year, approximately 6.00% cash pay/7.64%% accrual second mortgage loan.

On October 13, 2009, the Company
sold a condominium interest in an office building consisting of 40,508 square feet in Lawrenceville, New Jersey, for a sales price of $7.9 million.

The Company has evaluated subsequent events through November 6, 2009, the date the financial statements were issued.



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|Item 2. | Managements Discussion and Analysis of Financial Condition and Results of Operations
|------- | -------------------------------------------------------------------------------------

The Private Securities Litigation Reform Act of 1995 provides a safe harbor for forward-looking statements. This Quarterly Report on Form 10-Q
and other materials filed by us with the SEC (as well as information included in oral or other written statements made by us) contain statements that are forward-looking, including statements relating to business and real estate development
activities, acquisitions, dispositions, future capital expenditures, financing sources, governmental regulation (including environmental regulation) and competition. We intend such forward-looking statements to be covered by the safe-harbor
provisions of the 1995 Act. The words anticipate, believe, estimate, expect, intend, will, should and similar expressions, as they relate to us, are intended to
identify forward-looking statements. Although we believe that the expectations reflected in such forward-looking statements are based on reasonable assumptions, we can give no assurance that our expectations will be achieved. As forward-looking
statements, these statements involve important risks, uncertainties and other factors that could cause actual results to differ materially from the expected results and, accordingly, such results may differ from those expressed in any
forward-looking statements made by us or on our behalf. Factors that could cause actual results to differ materially from our expectations include, but are not limited to:



| |  |  | the continuing impact of the recent credit crisis and global economic slowdown, which is having and may continue to have negative effect on the
following, among other things:
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | the fundamentals of our business, including overall market occupancy and rental rates;
| | - |  | --------------------------------------------------------------------------------------



| |  |  | the financial condition of our tenants, many of which are financial, legal and other professional firms, our lenders, counterparties to our derivative
financial instruments and institutions that hold our cash balances and short-term investments, which may expose us to increased risks of default by these parties;
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | ability to obtain financing on attractive terms or at all, which may adversely impact our future interest expense and our ability to pursue acquisition
and development opportunities and refinance existing debt; and
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | value of real estate assets, which may limit our ability to dispose of assets at attractive prices or obtain or maintain debt financing secured by our
properties or on an unsecured basis.
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | changes in local real estate conditions (including changes in rental rates and the number of properties that compete with our properties);
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | changes in the economic conditions affecting industries in which our principal tenants compete;
| | - |  | -----------------------------------------------------------------------------------------------



| |  |  | the unavailability of equity and debt financing for us or our tenants, particularly in light of the current economic environment;
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------



| |  |  | our failure to lease unoccupied space in accordance with our projections;
| | - |  | -------------------------------------------------------------------------



| |  |  | our failure to re-lease occupied space upon expiration of leases;
| | - |  | -----------------------------------------------------------------



| |  |  | tenant defaults and the bankruptcy of major tenants;
| | - |  | ----------------------------------------------------



| |  |  | changes in prevailing interest rates;
| | - |  | -------------------------------------



| |  |  | risks associated with interest rate hedging contracts and the effectiveness of such arrangements;
| | - |  | -------------------------------------------------------------------------------------------------



| |  |  | failure of acquisitions to perform as expected;
| | - |  | -----------------------------------------------



| |  |  | unanticipated costs associated with the acquisition, integration and operation of, our acquisitions;
| | - |  | ----------------------------------------------------------------------------------------------------



| |  |  | unanticipated costs to complete, lease-up and operate our developments and redevelopments;
| | - |  | ------------------------------------------------------------------------------------------



| |  |  | impairment charges;
| | - |  | -------------------



| |  |  | increased costs for, or lack of availability of, adequate insurance, including for terrorist acts;
| | - |  | --------------------------------------------------------------------------------------------------



| |  |  | risks associated with actual or threatened terrorist attacks;
| | - |  | -------------------------------------------------------------



| |  |  | demand for tenant services beyond those traditionally provided by landlords;
| | - |  | ----------------------------------------------------------------------------



| |  |  | potential liability under environmental or other laws;
| | - |  | ------------------------------------------------------



| |  |  | failure or bankruptcy of real estate venture partners;
| | - |  | ------------------------------------------------------



| |  |  | inability of real estate venture partners to fund venture obligations;
| | - |  | ----------------------------------------------------------------------



| |  |  | failure of dispositions to close in a timely manner;
| | - |  | ----------------------------------------------------



| |  |  | failure of buyers to comport with terms of their financing agreements to us;
| | - |  | ----------------------------------------------------------------------------



| |  |  | earthquakes and other natural disasters;
| | - |  | ----------------------------------------



| |  |  | risks associated with federal, state and local tax audits;
| | - |  | ----------------------------------------------------------



| |  |  | complex regulations relating to our status as a REIT and the adverse consequences of our failure to qualify as a REIT; and
| | - |  | --------------------------------------------------------------------------------------------------------------------------



| |  |  | the impact of newly adopted accounting principles on our accounting policies and on period-to-period comparisons of financial results.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------



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Given these uncertainties, and the other risks identified in the Risk Factors section of our
2008 Annual Report on Form 10-K, we caution readers not to place undue reliance on forward-looking statements. We assume no obligation to update or supplement forward-looking statements that become untrue because of subsequent events.

The discussion that follows is based primarily on our consolidated financial statements as of September 30, 2009 and December 31, 2008 and for the
three-and nine months ended September 30, 2009 and 2008 and should be read along with the consolidated financial statements and related notes appearing elsewhere in this report. The ability to compare one period to another may be significantly
affected by acquisitions completed, development properties placed in service and dispositions made during those periods.



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OVERVIEW

As of September 30, 2009, our portfolio consisted of 213 office properties, 22 industrial facilities and three mixed-use properties that contain an aggregate of approximately 23.7 million net
rentable square feet. In addition, we consolidate three office properties owned by real estate ventures containing 0.4 million net rentable square feet. These 241 properties make up our core portfolio. We also had, as of September 30,
2009, two properties under development and four properties under redevelopment containing an aggregate 2.0 million net rentable square feet. Therefore, as of September 30, 2009, we consolidated 247 properties with an aggregate of
26.1 million net rentable square feet. As of September 30, 2009, we also held economic interests in 11 unconsolidated real estate ventures (the Real Estate Ventures) that we formed with third parties to develop or own
commercial properties. The properties owned by these Real Estate Ventures contain approximately 4.2 million net rentable square feet.

As
of September 30, 2009, we managed our portfolio within six geographic segments: (1) Pennsylvania, (2) Metropolitan Washington D.C, (3) New Jersey/Delaware, (4) Richmond, Virginia, (5) California and (6) Austin,
Texas. The Pennsylvania segment includes properties in Chester, Delaware, Bucks, and Montgomery counties in the Philadelphia suburbs and the City of Philadelphia in Pennsylvania. The Metropolitan Washington, D.C. segment includes properties in
Northern Virginia and suburban Maryland. The New Jersey/Delaware segment includes properties in Burlington, Camden and Mercer counties and counties in the southern and central part of New Jersey and in New Castle county in the state of Delaware. The
Richmond, Virginia segment includes properties primarily in Albemarle, Chesterfield, Goochland and Henrico counties and Durham, North Carolina. The California segment includes properties in Oakland, Concord, Carlsbad and Rancho Bernardo. The Austin,
Texas segment includes properties in Austin and Coppell.

We generate cash and revenue from leases of space at our properties and, to a lesser
extent, from the management of properties owned by third parties and from investments in the Real Estate Ventures. Factors that we evaluate when leasing space include rental rates, costs of tenant improvements, tenant creditworthiness, current and
expected operating costs, the length of the lease, vacancy levels and demand for office and industrial space. We also generate cash through sales of assets, including assets that we do not view as core to our portfolio, either because of location or
expected growth potential, and assets that are commanding premium prices from third party investors.

Our financial and operating performance
is dependent upon the demand for office, industrial and other commercial space in our markets, our leasing results, our acquisition, disposition and development activity, our financing activity, our cash requirements and economic and market
conditions, including prevailing interest rates.

Deteriorating economic conditions have resulted in a reduction of the availability of
financing and higher borrowing costs. These factors, coupled with a slowing economy, have reduced the volume of real estate transactions and created credit stresses on most businesses. We believe that vacancy rates may increase through 2009 and
possibly beyond as the current economic climate negatively impacts tenants in our Properties.

We expect that the impact of the current state
of the economy, including rising unemployment and the unprecedented volatility and illiquidity in the financial and credit markets, will continue to have a dampening effect on the fundamentals of our business, including increases in past due
accounts, tenant defaults, lower occupancy and reduced effective rents. These conditions would negatively affect our future net income and cash flows and could have a material adverse effect on our financial condition. We believe that the quality of
our assets and our strong balance sheet will enable us to raise debt capital, if necessary, from sources such as traditional term or secured loans from banks, pension funds and life insurance companies, however these sources are lending fewer
dollars, under stricter terms and at higher borrowing rates, and there can be no assurance that we will be able to borrow funds on terms that are economically attractive or at all.

We seek revenue growth at our portfolio through an increase in occupancy and rental rates. Occupancy at our core portfolio at September 30, 2009 was 88.4%. Our overall occupancy at September 30,
2009, including our six properties under development or redevelopment, was 83.2%.

In seeking to increase revenue through our operating,
financing and investment activities, we also seek to minimize operating risks, including (i) tenant rollover risk, (ii) tenant credit risk and (iii) development risk.



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Tenant Rollover Risk:

We are subject to the risk that tenant leases, upon expiration, are not renewed, that space may not be relet, or that the terms of renewal or reletting (including the cost of renovations) may be less
favorable to us than the current lease terms. Leases accounting for approximately 2.2% of our aggregate final annualized base rents as of September 30, 2009 (representing approximately 2.1% of the net rentable square feet of the Properties)
expire without penalty in 2009. We maintain an active dialogue with our tenants in an effort to maximize lease renewals. During the nine months ended September 30, 2009, we achieved a 75.6% retention rate in our core portfolio. If we are unable
to renew leases or relet space under expiring leases, at anticipated rental rates, or if tenants terminate their leases early, our cash flow would be adversely impacted.

Tenant Credit Risk:

In the event of a tenant default, we may experience delays in
enforcing our rights as a landlord and may incur substantial costs in protecting our investment. Our management regularly evaluates our accounts receivable reserve policy in light of our tenant base and general and local economic conditions. Our
accounts receivable allowance was $17.5 million or 15.6% of total receivables (including accrued rent receivable) as of September 30, 2009 compared to $15.5 million or 13.6% of total receivables (including accrued rent receivable) as of
December 31, 2008.

If economic conditions persist or deteriorate further, we may experience increases in past due accounts, defaults,
lower occupancy and reduced effective rents. This condition would negatively affect our future net income and cash flows and could have a material adverse effect on our financial condition.

Development Risk:

At September 30, 2009, we were proceeding on two developments and four redevelopments sites aggregating 2.0 million square feet with total projected costs of $417.7 million of which $192.4
million remained to be funded. These amounts include $355.4 million of total project costs for the combined 30thStreet Post Office (100% pre-leased to the Internal Revenue Service) and Cira South Garage (94.3% pre-leased to the Internal Revenue Service) in Philadelphia, Pennsylvania of which $174.2
million remained to be funded at September 30, 2009. See Note 7 to our consolidated financial statements and the liquidity and capital resources section herein for a description of the forward financing commitment that was closed during the
second quarter related to these projects. We are also finishing the lease-up of seven recently completed developments and redevelopments for which we expect to spend an additional $16.3 million in the remainder of 2009. We are actively marketing
space at these projects to prospective tenants but can provide no assurance as to the timing or terms of any leases of space at these projects.

As of September 30, 2009, we owned approximately 492 acres of undeveloped land. When the market recovers, we will look to opportunistically dispose of those parcels that we do not anticipate developing. For the parcels of land that we
ultimately develop, we would be subject to risks associated with development of this land including construction cost increases or overruns and construction delays, insufficient occupancy rates, building moratoriums and inability to obtain necessary
zoning, land-use, building, occupancy and other required governmental approvals.

RECENT PROPERTY TRANSACTIONS

To date, during 2009, we have sold six office properties and a condominium unit, containing an aggregate of 0.7 million net rentable
square feet. Specifically:



| |  |  | On February 4, 2009, we sold 748 and 855 Springdale Drive, two office properties located in Exton, Pennsylvania containing 66,664 net rentable
square feet, for a sales price of $9.0 million.
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On March 16, 2009, we sold 305 Harper Drive, an office property located in Moorestown, New Jersey containing 14,980 net rentable square feet, for
a sales price of $1.1 million.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On April 29, 2009, we sold 7735 Old Georgetown Road, an office property located in Bethesda, Maryland containing 122,543 net rentable square feet,
for a sales price of $26.5 million. At March 31, 2009, we incurred an impairment charge of $3.7 million to record this building to its fair market value.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On October 2, 2009, we sold two office properties, totaling 473,658 net rentable square feet in Trenton, New Jersey for an aggregate sales price
of $85.0 million. We provided the buyer a $22.5 million seven-year, approximately 6.00% cash pay/7.64% accrual second mortgage loan.
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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| |  |  | On October 13, 2009, we sold a condominium interest in an office building consisting of 40,508 square feet in Lawrenceville, New Jersey, for a
sales price of $7.9 million
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------

We continually reassess our portfolio to determine properties that may be in our best interest
to sell depending on strategic or economic factors. From time to time, the decision to sell properties in the short term could result in an impairment or other loss being taken by us and such losses could be material to the statement of
operations.



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CRITICAL ACCOUNTING POLICIES AND ESTIMATES

Managements Discussion and Analysis of Financial Condition and Results of Operations discuss our consolidated financial statements, which have been
prepared in accordance with accounting principles generally accepted in the United States of America. The preparation of these financial statements in conformity with accounting principles generally accepted in the United States of America requires
management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent liabilities at the date of the financial statements and the reported amounts of revenue and expenses during the
reporting period. Certain accounting policies are considered to be critical accounting policies, as they require management to make assumptions about matters that are highly uncertain at the time the estimate is made and changes in accounting
policies are reasonably likely to occur from period to period. Management bases its estimates and assumptions on historical experience and current economic conditions. On an on-going basis, management evaluates its estimates and assumptions
including those related to revenue, impairment of long-lived assets and the allowance for doubtful accounts. Actual results may differ from those estimates and assumptions.

Our Annual Report on Form 10-K for the year ended December 31, 2008 contains a discussion of our critical accounting policies. There have been no significant changes in our critical accounting
policies since December 31, 2008. See also Note 2 in our unaudited consolidated financial statements for the three-and nine-month period ended September 30, 2009 set forth herein. Management discusses our critical accounting policies and
managements judgments and estimates with our Audit Committee.



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RESULTS OF OPERATIONS

Comparison of the Three-Month Periods Ended September 30, 2009 and 2008

The table below shows selected operating information for the Same Store Property Portfolio and the Total Portfolio. The Same Store
Property Portfolio consists of 232 properties containing an aggregate of approximately 22.6 million net rentable square feet that we owned for the entire three-month periods ended September 30, 2009 and 2008. This table also includes a
reconciliation from the Same Store Property Portfolio to the Total Portfolio net income (i.e., all properties owned by us during the three-month periods ended September 30, 2009 and 2008) by providing information for the properties which were
acquired, placed into service, under development or redevelopment and administrative/elimination information for the three-month periods ended September 30, 2009 and 2008 (in thousands).

The Total Portfolio net income presented in the table is equal to the net income of Brandywine Realty Trust. The only difference between the reported net
income of Brandywine Realty Trust and Brandywine Operating Partnership is the allocation of the non-controlling interest attributable to continuing and discontinued operations for limited partnership units that is on the statement of operations for
Brandywine Realty Trust.



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Comparison of three-months ended September 30, 2009 to the three-months ended
September 30, 2008



|                                                             |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   |         |   |  |   |         |   |  |   |        |  
|------------------------------------------------------------ |  | ----------------------------- | ------- | ---- | --------------------------- | ------------------- | --------------------------------------- | - | ------ | ------------------- | ---- | - | --------------- |  | - | ----- |  | - | ----- | - |  | ---- | ----- | - | ---- | - | ------ | ---- |  | - | ------------------- | - |  | - | ------- | - |  | - | ------- | - |  | - | ------ | -
|                                                             |  | Same Store Property Portfolio |         |      | RecentlyCompletedProperties |                     | Development/RedevelopmentProperties (a) |   |        | Other(Eliminations) |      |   | Total Portfolio | 
|(dollars in thousands)                                       |  | 2009                          |         | 2008 |                             | Increase/(Decrease) |                                         |   | 2009   |                     | 2008 |   | 2009            |  |   | 2008  |  |   | 2009  |   |  | 2008 |       |   | 2009 |   |        | 2008 |  |   | Increase/(Decrease) |  
|Revenue:                                                     |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   |         |   |  |   |         |   |  |   |        |  
|Cash rents                                                   |  | $                             | 110,570 |      | $                           | 113,551             |                                         | $ | (2,981 | )                   |      | $ | 3,794           |  | $ | 1,647 |  | $ | 1,910 |   |  | $    | 1,754 |   |      | $ | (579   | )    |  | $ | (751                | ) |  | $ | 115,695 |   |  | $ | 116,201 |   |  | $ | (506   | )
|Straight-line rents                                          |  |                               | 1,395   |      |                             | 1,747               |                                         |   | (352   | )                   |      |   | 1,188           |  |   | 523   |  |   | (20   | ) |  |      | 21    |   |      |   |       |      |  |   |                    |   |  |   | 2,563   |   |  |   | 2,291   |   |  |   | 272    |  
|Above/below market rent amortization                         |  |                               | 1,464   |      |                             | 1,366               |                                         |   | 98     |                     |      |   |                |  |   |      |  |   | (123  | ) |  |      | 427   |   |      |   |       |      |  |   |                    |   |  |   | 1,341   |   |  |   | 1,793   |   |  |   | (452   | )
|                                                             |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   |         |   |  |   |         |   |  |   |        |  
|Total rents                                                  |  |                               | 113,429 |      |                             | 116,664             |                                         |   | (3,235 | )                   |      |   | 4,982           |  |   | 2,170 |  |   | 1,767 |   |  |      | 2,202 |   |      |   | (579   | )    |  |   | (751                | ) |  |   | 119,599 |   |  |   | 120,285 |   |  |   | (686   | )
|Tenant reimbursements                                        |  |                               | 18,044  |      |                             | 17,154              |                                         |   | 890    |                     |      |   | 733             |  |   | 402   |  |   | 345   |   |  |      | 597   |   |      |   | 42     |      |  |   | 400                 |   |  |   | 19,164  |   |  |   | 18,553  |   |  |   | 611    |  
|Termination fees                                             |  |                               | 548     |      |                             | 338                 |                                         |   | 210    |                     |      |   |                |  |   |      |  |   | 1,216 |   |  |      |      |   |      |   |       |      |  |   |                    |   |  |   | 1,764   |   |  |   | 338     |   |  |   | 1,426  |  
|Third party management fees, labor reimbursement and leasing |  |                               |        |      |                             |                    |                                         |   |       |                     |      |   |                |  |   |      |  |   |      |   |  |      |      |   |      |   | 5,194  |      |  |   | 4,390               |   |  |   | 5,194   |   |  |   | 4,390   |   |  |   | 804    |  
|Other, excluding termination fees                            |  |                               | 598     |      |                             | 527                 |                                         |   | 71     |                     |      |   | 43              |  |   | 14    |  |   | 80    |   |  |      | (1    | ) |      |   | 151    |      |  |   | 232                 |   |  |   | 872     |   |  |   | 772     |   |  |   | 100    |  
|                                                             |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   |         |   |  |   |         |   |  |   |        |  
|Total revenue                                                |  |                               | 132,619 |      |                             | 134,683             |                                         |   | (2,064 | )                   |      |   | 5,758           |  |   | 2,586 |  |   | 3,408 |   |  |      | 2,798 |   |      |   | 4,808  |      |  |   | 4,271               |   |  |   | 146,593 |   |  |   | 144,338 |   |  |   | 2,255  |  
|                                                             |  |                               |         |      |                             |                     |                                         |   |        |                     |      |  
|Property operating expenses                                  |  |                               | 39,545  |      |                             | 41,013              |                                         |   | 1,468  |                     |      |   | 1,886           |  |   | 482   |  |   | 1,023 |   |  |      | 1,309 |   |      |   | (2,404 | )    |  |   | (3,661              | ) |  |   | 40,050  |   |  |   | 39,143  |   |  |   | (907   | )
|Real estate taxes                                            |  |                               | 13,200  |      |                             | 13,437              |                                         |   | 237    |                     |      |   | 571             |  |   | 692   |  |   | 271   |   |  |      | 247   |   |      |   | 206    |      |  |   | 146                 |   |  |   | 14,248  |   |  |   | 14,522  |   |  |   | 274    |  
|Third party management expenses                              |  |                               |        |      |                             |                    |                                         |   |       |                     |      |   |                |  |   |      |  |   |      |   |  |      |      |   |      |   | 2,256  |      |  |   | 1,790               |   |  |   | 2,256   |   |  |   | 1,790   |   |  |   | (466   | )
|                                                             |  |                               |         |      |                             |                     |                                         |   |        |                     |      |  
|Subtotal                                                     |  |                               | 79,874  |      |                             | 80,233              |                                         |   | (359   | )                   |      |   | 3,301           |  |   | 1,412 |  |   | 2,114 |   |  |      | 1,242 |   |      |   | 4,750  |      |  |   | 5,996               |   |  |   | 90,039  |   |  |   | 88,883  |   |  |   | 1,156  |  
|                                                             |  |                               |         |      |                             |                     |                                         |   |        |                     |      |  
|General & administrative expenses                            |  |                               |        |      |                             |                    |                                         |   |       |                     |      |   |                |  |   |      |  |   |      |   |  |      |      |   |      |   | 5,018  |      |  |   | 6,863               |   |  |   | 5,018   |   |  |   | 6,863   |   |  |   | 1,845  |  
|Depreciation and amortization                                |  |                               | 46,384  |      |                             | 47,124              |                                         |   | 740    |                     |      |   | 2,093           |  |   | 829   |  |   | 2,251 |   |  |      | 976   |   |      |   | 694    |      |  |   | 1,090               |   |  |   | 51,422  |   |  |   | 50,019  |   |  |   | (1,403 | )
|                                                             |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   |         |   |  |   |         |   |  |   |        |  
|Operating Income (loss)                                      |  | $                             | 33,490  |      | $                           | 33,109              |                                         | $ | 381    |                     |      | $ | 1,208           |  | $ | 583   |  | $ | (137  | ) |  | $    | 266   |   |      | $ | (962   | )    |  | $ | (1,957              | ) |  | $ | 33,599  |   |  | $ | 32,001  |   |  | $ | 1,598  |  
|                                                             |  |                               |         |      |                             |                     |                                         |   |        |                     |      |  
|Number of properties                                         |  |                               | 232     |      |                             | 232                 |                                         |   |        |                     |      |   | 7               |  |   | 7     |  |   | 6     |   |  |      | 6     |   |      |   |        |      |  |   |                     |   |  |   | 245     |   |  |   | 245     |   |  |   |        |  
|Square feet                                                  |  |                               | 22,578  |      |                             | 22,578              |                                         |   |        |                     |      |   | 1,025           |  |   | 1,025 |  |   | 1,944 |   |  |      | 1,944 |   |      |   |        |      |  |   |                     |   |  |   | 25,547  |   |  |   | 25,547  |   |  |   |        |  
|                                                             |  |                               |         |      |                             |                     |                                         |   |        |                     |      |  
|Other Income (Expense):                                      |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   |         |   |  |   |         |   |  |   |        |  
|Interest income                                              |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   | 473     |   |  |   | 221     |   |  |   | 252    |  
|Interest expense                                             |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   | (31,455 | ) |  |   | (36,037 | ) |  |   | 4,582  |  
|Interest expense - Deferred financing costs                  |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   | (1,579  | ) |  |   | (1,092  | ) |  |   | (487   | )
|Recognized hedge activity                                    |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   | (1,517  | ) |  |   |        |   |  |   | (1,517 | )
|Equity in income of real estate ventures                     |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   | 1,331   |   |  |   | 1,059   |   |  |   | 272    |  
|Gain on early extinguishment of debt                         |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   | 5,073   |   |  |   |        |   |  |   | 5,073  |  
|                                                             |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   |         |   |  |   |         |   |  |   |        |  
|Income (loss) from continuing operations                     |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   | 5,925   |   |  |   | (3,848  | ) |  |   | 9,773  |  
|Income from discontinued operations                          |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   | 1,384   |   |  |   | 5,594   |   |  |   | (4,210 | )
|                                                             |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   |         |   |  |   |         |   |  |   |        |  
|Net income                                                   |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  | $ | 7,309   |   |  | $ | 1,746   |   |  | $ | 5,563  |  
|                                                             |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   |         |   |  |   |         |   |  |   |        |  
|Earnings per common share                                    |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  | $ | 0.04    |   |  | $ | (0.01   | ) |  | $ | 0.05   |  
|                                                             |  |                               |         |      |                             |                     |                                         |   |        |                     |      |   |                 |  |   |       |  |   |       |   |  |      |       |   |      |   |        |      |  |   |                     |   |  |   |         |   |  |   |         |   |  |   |        |  



EXPLANATORY NOTES

(a) - Results include: two developments and four redevelopment properties.



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Total Revenue

Cash rents from the Total Portfolio decreased by $0.5 million from third quarter 2008 to third quarter 2009 primarily due to a decrease of $3.0 million at the same store portfolio as a result of the
decrease in same store occupancy of 3.6%. This decrease was offset by an increase of $2.2 million from seven properties that we completed and placed in service subsequent to the third quarter of 2008.

Termination fees at the Total Portfolio increased by $1.4 million from the third quarter of 2008 to the third quarter of 2009 primarily due to a $1.2
million termination fee received from one tenant at one of the redevelopment properties.

Third party management fees, labor reimbursement and
leasing increased by $0.8 million mainly due to a $0.7 million of leasing commission received.

Property Operating Expenses

Property operating expenses at the Total Portfolio increased by $0.9 million from the third quarter of 2008 to the third quarter of 2009
primarily due to the expenses from seven properties that we completed and placed in service subsequent to the third quarter of 2008.

General and Administrative Expense

General and Administrative Expense decreased by $1.8 million mainly due to a severance
accrual of $1.1 million in the third quarter of 2008 and a decrease in salary expense of $0.2 million due to a reduction in employee headcount from the prior year. The remainder of the decrease is due to lower professional fees in the third quarter
of 2009 as a result of planned cost saving initiatives.

Depreciation and Amortization Expense

Depreciation and amortization increased by $1.4 million from third quarter 2008 to third quarter 2009, primarily due to $1.3 million of depreciation and
amortization expense recorded on the seven properties completed and placed in service subsequent to the third quarter of 2008.

Interest Expense

The decrease in interest expense of $4.6 million is primarily due to the following:



| |  |  | decrease of $1.2 million resulting from the payoff at maturity of our $113.0 million private placement notes in December 2008.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------



| |  |  | decrease of $1.2 million resulting from the pay-off of our Credit Facility balance at the end of the quarter and a lower weighted average interest rate
on such borrowings at September 30, 2009 compared to September 30, 2008.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | decrease of $2.2 million resulting from lower weighted average interest rates on our $183.0 million Bank Term Loan and our three Preferred Trust
borrowings. Such borrowings have variable interest rates and a portion of such borrowings are swapped to fixed rate debt through our hedging program. This decrease is offset by an increase of $1.6 million paid under these hedges since the
variable interest rates on such debt is lower than the swapped fixed rate on the hedges assigned to these borrowings.
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | decrease of $5.6 million resulting from our buybacks of various unsecured notes subsequent to the third quarter of 2008. The details of the
various purchases completed during the three months ended September 30, 2009 are noted in the Gain on early extinguishment of debt section below and details for all purchases during 2008 are included in our Annual Report on Form 10-K for
2008. This decrease is offset by an increase of $0.3 million of interest on issuance of new notes.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

The above explained net
decrease of $8.3 million is offset by a decrease in capitalized interest of $2.3 million as a result of the decrease in cumulative spending on open development and redevelopment projects and an increase of $1.4 million from a higher outstanding
mortgage notes payable balance as of September 30, 2009 compared to September 30, 2008.



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Deferred financing costs increased by $0.5 million due to the acceleration of such expenses incurred in the
debt repurchase activities during the third quarter of 2009.

Recognized hedge activity

During the third quarter of 2009, we recorded a $1.1 million mark to market adjustment relating to two of our swaps that were applied to our offering of
$250.0 million 7.50% senior unsecured notes due 2015 completed in September 2009. The swaps no longer qualify for hedge accounting upon completion of this offering since the hedging relationship was terminated and we do not expect to cash settle
these swaps until the latter portion of the fourth quarter of 2009. Change in the fair value of the swaps will be reflected in our statement of operations until they are cash settled. We also recognized $0.4 million for the ineffective portion of
the forward starting swaps during the third quarter prior to the termination of the hedging relationship.

Gain on early
extinguishment of debt

During the three months ended September 30, 2009, we repurchased $46.2 million of our $345.0 million 3.875%
Exchangeable Notes, $47.6 million of our $275.0 million 4.500% Guaranteed Notes due 2009, $102.2 million of our $300.0 million 5.750% Guaranteed Notes due 2012 and $7.3 million of our $250.0 million 5.400% Guaranteed Notes due 2014 which resulted in
a net gain on early extinguishment of debt of $5.1 million. The gain on early extinguishment of debt is inclusive of adjustments made to reflect our adoption of the new accounting standard for convertible debt instruments.

We did not repurchase any debt during the third quarter of 2008.

Discontinued Operations

During the third quarter of 2009, we classified two properties in
Trenton, NJ and a condominium interest in an office building in Lawrenceville, NJ as held for sale. These properties had total revenue of $3.8 million, operating expenses of $1.9 million and depreciation and amortization expense of $0.5 million.

The September 30, 2008 amounts are reclassified to include the operations of the properties sold and held for sale through the third
quarter of 2009, as well as all properties that were sold through the year ended December 31, 2008. Therefore, the discontinued operations amount for the third quarter of 2008 includes total revenue of $17.6 million, operating expenses of $8.6
million, depreciation and amortization expense of $1.6 million and interest expense of $1.8 million.

Net Income

Net income increased by $5.6 million from the third quarter of 2008 as a result of the factors described above. Net income is
significantly impacted by depreciation of operating properties and amortization of acquired intangibles. These non-cash charges do not directly affect our ability to pay dividends. Such charges can be expected to continue until the values ascribed
to the lease intangibles are fully amortized. These intangibles are generally amortizing over the related lease terms or estimated duration of the tenant relationship.

Earnings (loss) per Common Share

Earnings per share was $0.04 for the third quarter of
2009 as compared to loss per share $0.01 for the third quarter of 2008 as a result of the factors described above and an increase in the average number of common shares outstanding. The increase in the average number of common shares outstanding is
primarily the result of a $242.3 million public equity offering of 40,250,000 shares during the second quarter of 2009.



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RESULTS OF OPERATIONS

Comparison of the Nine-Month Periods Ended September 30, 2009 and 2008

The table below shows selected operating information for the Same Store Property Portfolio and the Total Portfolio. The Same Store
Property Portfolio consists of 232 properties containing an aggregate of approximately 22.6 million net rentable square feet that we owned for the entire nine-month periods ended September 30, 2009 and 2008. This table also includes a
reconciliation from the Same Store Property Portfolio to the Total Portfolio net income (i.e., all properties owned by us during the nine-month periods ended September 30, 2009 and 2008) by providing information for the properties which were
acquired, placed into service, under development or redevelopment and administrative/elimination information for the nine-month periods ended September 30, 2009 and 2008 (in thousands).

The Total Portfolio net income presented in the table is equal to the net income of Brandywine Realty Trust. The only difference between the reported net
income of Brandywine Realty Trust and Brandywine Operating Partnership is the allocation of the non-controlling interest attributable to continuing and discontinued operations for limited partnership units that is on the statement of operations for
Brandywine Realty Trust.



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Comparison of nine-months ended September 30, 2009 to the nine-months ended
September 30, 2008



|                                                             |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   |          |   |  |   |          |   |  |   |         |  
|------------------------------------------------------------ |  | ----------------------------- | ------- | ---- | --------------------------- | ------------------- |  | --------------------------------------- | ------ | ------------------- |  | ---- | --------------- | - | ---- | - | ------ | ---- |  | ---- | ------ | - | ---- | - | ------ | ---- | - | ------ | ---- |  | - | ------------------- | - |  | - | -------- | - |  | - | -------- | - |  | - | ------- | -
|                                                             |  | Same Store Property Portfolio |         |      | RecentlyCompletedProperties |                     |  | Development/RedevelopmentProperties (a) |        | Other(Eliminations) |  |      | Total Portfolio |  
|(dollars in thousands)                                       |  | 2009                          |         | 2008 |                             | Increase/(Decrease) |  |                                         | 2009   |                     |  | 2008 |                 |   | 2009 |   |        | 2008 |  | 2009 |        |   | 2008 |   |        | 2009 |   |        | 2008 |  |   | Increase/(Decrease) |  
|Revenue:                                                     |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   |          |   |  |   |          |   |  |   |         |  
|Cash rents                                                   |  | $                             | 336,342 |      | $                           | 336,616             |  | $                                       | (274   | )                   |  | $    | 3,762           |   |      | $ | 493    |      |  | $    | 9,931  |   |      | $ | 9,082  |      | $ | (1,763 | )    |  | $ | (2,374              | ) |  | $ | 348,272  |   |  | $ | 343,817  |   |  | $ | 4,455   |  
|Straight-line rents                                          |  |                               | 4,293   |      |                             | 11,829              |  |                                         | (7,536 | )                   |  |      | 1,699           |   |      |   | 134    |      |  |      | 442    |   |      |   | 904    |      |   |       |      |  |   |                    |   |  |   | 6,434    |   |  |   | 12,867   |   |  |   | (6,433  | )
|Above/below market rent amortization                         |  |                               | 4,809   |      |                             | 4,376               |  |                                         | 433    |                     |  |      |                |   |      |   |       |      |  |      | (2     | ) |      |   | 1,282  |      |   |       |      |  |   |                    |   |  |   | 4,807    |   |  |   | 5,658    |   |  |   | (851    | )
|                                                             |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   |          |   |  |   |          |   |  |   |         |  
|Total rents                                                  |  |                               | 345,444 |      |                             | 352,821             |  |                                         | (7,377 | )                   |  |      | 5,461           |   |      |   | 627    |      |  |      | 10,371 |   |      |   | 11,268 |      |   | (1,763 | )    |  |   | (2,374              | ) |  |   | 359,513  |   |  |   | 362,342  |   |  |   | (2,829  | )
|Tenant reimbursements                                        |  |                               | 53,684  |      |                             | 52,350              |  |                                         | 1,334  |                     |  |      | 1,008           |   |      |   | 200    |      |  |      | 1,935  |   |      |   | 2,802  |      |   | 226    |      |  |   | 568                 |   |  |   | 56,853   |   |  |   | 55,920   |   |  |   | 933     |  
|Termination fees                                             |  |                               | 1,625   |      |                             | 4,462               |  |                                         | (2,837 | )                   |  |      |                |   |      |   |       |      |  |      | 1,215  |   |      |   |       |      |   |       |      |  |   |                    |   |  |   | 2,840    |   |  |   | 4,462    |   |  |   | (1,622  | )
|Third party management fees, labor reimbursement and leasing |  |                               |        |      |                             |                    |  |                                         |       |                     |  |      |                |   |      |   |       |      |  |      |       |   |      |   |       |      |   | 14,055 |      |  |   | 15,239              |   |  |   | 14,055   |   |  |   | 15,239   |   |  |   | (1,184  | )
|Other, excluding termination fees                            |  |                               | 1,312   |      |                             | 1,425               |  |                                         | (113   | )                   |  |      | 2               |   |      |   |       |      |  |      | 250    |   |      |   | 28     |      |   | 759    |      |  |   | 895                 |   |  |   | 2,323    |   |  |   | 2,348    |   |  |   | (25     | )
|                                                             |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   |          |   |  |   |          |   |  |   |         |  
|Total revenue                                                |  |                               | 402,065 |      |                             | 411,058             |  |                                         | (8,993 | )                   |  |      | 6,471           |   |      |   | 827    |      |  |      | 13,771 |   |      |   | 14,098 |      |   | 13,277 |      |  |   | 14,328              |   |  |   | 435,584  |   |  |   | 440,311  |   |  |   | (4,727  | )
|                                                             |  |                               |         |      |                             |                     |  |                                         |        |                     |  |     
|Property operating expenses                                  |  |                               | 118,367 |      |                             | 118,378             |  |                                         | 11     |                     |  |      | 2,541           |   |      |   | (1,195 | )    |  |      | 5,740  |   |      |   | 6,364  |      |   | (3,291 | )    |  |   | (5,515              | ) |  |   | 122,857  |   |  |   | 118,032  |   |  |   | (4,825  | )
|Real estate taxes                                            |  |                               | 39,765  |      |                             | 41,497              |  |                                         | 1,732  |                     |  |      | 1,477           |   |      |   | 1,272  |      |  |      | 1,326  |   |      |   | 1,297  |      |   | 491    |      |  |   | 310                 |   |  |   | 43,059   |   |  |   | 44,376   |   |  |   | 1,317   |  
|Third party management expenses                              |  |                               |        |      |                             |                    |  |                                         |       |                     |  |      |                |   |      |   |       |      |  |      |        |   |      |   |       |      |   | 6,339  |      |  |   | 6,417               |   |  |   | 6,339    |   |  |   | 6,417    |   |  |   | 78      |  
|                                                             |  |                               |         |      |                             |                     |  |                                         |        |                     |  |     
|Subtotal                                                     |  |                               | 243,933 |      |                             | 251,183             |  |                                         | (7,250 | )                   |  |      | 2,453           |   |      |   | 750    |      |  |      | 6,705  |   |      |   | 6,437  |      |   | 9,738  |      |  |   | 13,116              |   |  |   | 263,329  |   |  |   | 271,486  |   |  |   | (8,157  | )
|                                                             |  |                               |         |      |                             |                     |  |                                         |        |                     |  |     
|General & administrative expenses                            |  |                               |        |      |                             |                    |  |                                         |       |                     |  |      |                |   |      |   |       |      |  |      |       |   |      |   |       |      |   | 15,491 |      |  |   | 17,902              |   |  |   | 15,491   |   |  |   | 17,902   |   |  |   | 2,411   |  
|Depreciation and amortization                                |  |                               | 142,699 |      |                             | 143,629             |  |                                         | 930    |                     |  |      | 3,353           |   |      |   | 188    |      |  |      | 7,224  |   |      |   | 4,887  |      |   | 2,576  |      |  |   | 2,923               |   |  |   | 155,852  |   |  |   | 151,627  |   |  |   | (4,225  | )
|                                                             |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   |          |   |  |   |          |   |  |   |         |  
|Operating Income (loss)                                      |  | $                             | 101,234 |      | $                           | 107,554             |  | $                                       | (6,320 | )                   |  | $    | (900            | ) |      | $ | 562    |      |  | $    | (519   | ) |      | $ | 1,550  |      | $ | (8,329 | )    |  | $ | (7,709              | ) |  | $ | 91,986   |   |  | $ | 101,957  |   |  | $ | (9,971  | )
|                                                             |  |                               |         |      |                             |                     |  |                                         |        |                     |  |     
|Number of properties                                         |  |                               | 232     |      |                             | 232                 |  |                                         |        |                     |  |      | 4               |   |      |   | 4      |      |  |      | 9      |   |      |   | 9      |      |   |        |      |  |   |                     |   |  |   | 245      |   |  |   | 245      |   |  |   |         |  
|Square feet                                                  |  |                               | 22,578  |      |                             | 22,578              |  |                                         |        |                     |  |      | 669             |   |      |   | 669    |      |  |      | 2,300  |   |      |   | 2,300  |      |   |        |      |  |   |                     |   |  |   | 25,547   |   |  |   | 25,547   |   |  |   |         |  
|                                                             |  |                               |         |      |                             |                     |  |                                         |        |                     |  |     
|Other Income (Expense):                                      |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   |          |   |  |   |          |   |  |   |         |  
|Interest income                                              |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   | 1,695    |   |  |   | 603      |   |  |   | 1,092   |  
|Interest expense                                             |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   | (102,045 | ) |  |   | (109,822 | ) |  |   | 7,777   |  
|Interest expense - Deferred financing costs                  |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   | (4,725   | ) |  |   | (3,798   | ) |  |   | (927    | )
|Recognized hedge activity                                    |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   | (1,822   | ) |  |   |         |   |  |   | (1,822  | )
|Equity in income of real estate ventures                     |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   | 3,450    |   |  |   | 3,838    |   |  |   | (388    | )
|Net loss on disposition of undepreciated assets              |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   |         |   |  |   | (24      | ) |  |   | 24      |  
|Gain on early extinguishment of debt                         |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   | 23,724   |   |  |   | 3,106    |   |  |   | 20,618  |  
|                                                             |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   |          |   |  |   |          |   |  |   |         |  
|Income (loss) from continuing operations                     |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   | 12,263   |   |  |   | (4,140   | ) |  |   | 16,403  |  
|Income from discontinued operations                          |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   | (47      | ) |  |   | 27,696   |   |  |   | (27,743 | )
|                                                             |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   |          |   |  |   |          |   |  |   |         |  
|Net (loss) income                                            |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  | $ | 12,216   |   |  | $ | 23,556   |   |  | $ | (11,340 | )
|                                                             |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   |          |   |  |   |          |   |  |   |         |  
|Earnings per common share                                    |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  | $ | 0.05     |   |  | $ | 0.18     |   |  | $ | (0.13   | )
|                                                             |  |                               |         |      |                             |                     |  |                                         |        |                     |  |      |                 |   |      |   |        |      |  |      |        |   |      |   |        |      |   |        |      |  |   |                     |   |  |   |          |   |  |   |          |   |  |   |         |  



EXPLANATORY NOTES

(a) - Results include: two developments and seven redevelopment properties.



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Total Revenue

Cash rents from the Total Portfolio increased by $4.4 million from the nine month period ended September 30, 2008 to the nine-month period ended September 30, 2009, primarily reflecting:



| | 1) | An additional $3.3 million from four properties that we completed and placed in service subsequent to the third quarter of 2008.
| | -- | --------------------------------------------------------------------------------------------------------------------------------



| | 2) | An additional $0.9 million of rental income due to increased occupancy at nine development/redevelopment properties in the nine months period ended September 30,
2009 in comparison to the nine months period ended September 30, 2008.
| | -- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Straight-line rents at the Total Portfolio
decreased by $6.4 million primarily due to free rent converting to cash rent during the nine months ended September 30, 2009.

Tenant
reimbursements at the Total Portfolio increased by $0.9 million as a result of increased operating expenses of $3.5 million in the nine months period ended September 30, 2009 in comparison to the nine months period ended September 30,
2008.

The decrease in termination fees of $1.6 million from the nine months period ended September 30, 2008 to the nine months period
ended September 30, 2009 is mainly due to the recognition of a $3.1 million termination fee from one tenant during that period in 2008 in comparison to a $1.2 million termination fee received from one tenant at one of redevelopment properties
in 2009.

Third party management fees, labor reimbursement and leasing decreased by $1.2 million from the nine months period ended
September 30, 2008 to the nine months period ended September 30, 2009 as a result of the termination of the management fee contract on March 31, 2008 that we entered into when we sold the 10 office properties located in Reading and
Harrisburg, PA. As the contract was terminated early, approximately $0.8 million of unamortized deferred management fees were taken into income during the nine months period ended September 30, 2008. The decrease also resulted from the
termination of other management fee contracts during the first quarter of 2009.

Property Operating Expenses

Property operating expenses at the Total Portfolio increased by $4.8 million from the nine months period ended September 30, 2008 to
the nine months period ended September 30, 2009 due to an increase in bad debt expense of $1.5 million. We also incurred an additional $3.7 million of expenses from four properties that we completed and placed in service subsequent to the third
quarter of 2008.

Real Estate Taxes

The decrease in real estate taxes of $1.3 million from the third quarter of 2008 to the third quarter of 2009 is due to successful appeals that lead to reduced assessments across the Company.

General and Administrative Expense

General and Administrative Expense decreased by $2.4 million mainly due to the severance accrual of $1.1 million in the third quarter of 2008 that we did not have in the third quarter of 2009. The
remainder of the difference is due to a decrease of $1.1 million in professional fees from the nine months ended September 30, 2008 to the nine months ended September 30, 2009. The decrease in professional fees is the result of the
Companys planned cost-savings initiatives at the corporate level.

Depreciation and Amortization Expense

Depreciation and amortization increased by $4.2 million from the nine months period ended September 30, 2008 to the nine months
period ended September 30, 2009, primarily due to $3.2 million of depreciation and amortization expense recorded on the four properties completed and placed in service subsequent to the third quarter of 2008. An additional $2.3 million of
depreciation and amortization expense was recorded on portions of the nine development properties that were placed in service subsequent to the third quarter of 2008. The increase was offset by the decrease of $1.0 million at the Same Store
Portfolio for asset write-offs related to early move-outs.



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Provision for Impairment on Real Estate

During our Q1 2009 impairment review, we determined that one of the properties tested for impairment under the held and used model had a historical cost
greater than the probability weighted undiscounted cash flows. Accordingly, the recorded amount was reduced to an amount based on managements estimate of the current fair value. During the nine months period ended September 30, 2008, we
recorded a provision of $6.85 million for impairment relating to the sale of the five Northern California properties classifies as held for sale.

Where properties have been identified as having a potential for sale, additional judgments are required related to the determination as to the appropriate period over which the undiscounted cash flows should include the operating cash flows
and the amount included as the estimated residual value. Management determines the amounts to be included based on a probability weighted cash flow. This requires significant judgment. In some cases, the results of whether an impairment is indicated
are sensitive to changes in assumptions input into the estimates, including the hold period until expected sale.

Interest
Income/Expense

The increase in interest income by approximately $1.1 million is due to the accretion of the $40.0 million interest free
note receivable from the sale of the five Northern California properties in the fourth quarter of 2008. The note receivable was recorded at its present value on the date of sale of $37.1 million.

The decrease in interest expense of $7.8 million is mainly due to the following:



| |  |  | decrease of $3.7 million resulting from the payoff at maturity of our $113.0 million private placement notes in December 2008.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------



| |  |  | decrease of $3.0 million resulting from the pay-off of our Credit Facility balance at the end of the quarter and a lower weighted average interest rate
on such borrowings at September 30, 2009 compared to September 30, 2008.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | decrease of $5.0 million resulting from lower weighted average interest rates on our $183.0 million Bank Term Loan and our three Preferred Trust
borrowings. Such borrowings have variable interest rates and a portion of such borrowings are swapped to fixed rate debt through our hedging program. This decrease is offset by an increase of $4.2 million paid under these hedges since the
variable interest rates on such debt is lower than the swapped fixed rate on the hedges assigned to these borrowings.
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | decrease of $10.4 million resulting from our buybacks of various unsecured notes subsequent to the third quarter of 2008. The details of the
various purchases completed during the nine months ended September 30, 2009 are noted in the Gain on early extinguishment of debt section below and details for all purchases during and subsequent to the nine months ended
September 30, 2008 are included in our Annual Report on Form 10-K for 2008. This decrease is offset by an increase of $0.3 million of interest on issuance of new notes.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

The above explained net decrease of $17.6 million is offset by a decrease in capitalized interest of $8.3 million as a result of the decrease in cumulative
spending on open development and redevelopment projects and an increase of $1.5 million from a higher outstanding mortgage notes payable balance as of September 30, 2009 compared to September 30, 2008.

Deferred financing costs increased by $0.9 million due to the acceleration of such expenses incurred in the debt repurchase activities during the third
quarter of 2009.

Recognized hedge activity

During the nine months ended September 30, 2009, we recorded a $1.1 million mark to market adjustment relating to two of our swaps that were applied to our offering of $250.0 million 7.50% senior
unsecured notes due 2015 completed in September 2009. The swaps no longer qualify for hedge accounting upon completion of this offering since the hedging relationship was terminated and we do not expect to cash settle these swaps until the latter
portion of the fourth quarter of 2009. Change in the fair value of the swaps will be reflected in our statement of operations until they are cash settled. During the nine months ended September 30, 2009, we also recorded $0.7 million related to
the ineffective portion of our hedges.



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Gain on early extinguishment of debt

During the nine months period ended September 30, 2009, we repurchased $122.5 million of our $345.0 million 3.875% Exchangeable Notes, $94.1 million of
our $275.0 million 4.500% Guaranteed Notes due 2009, $65.0 million of our $300.0 million 5.625% Guaranteed Notes due 2010, $112.2 million of our $300.0 million 5.750% Guaranteed Notes due 2012 and $7.3 million of our $250.0 million 5.400% Guaranteed
Notes due 2014 which resulted in a net gain on early extinguishment of debt of $23.7 million. The gain on early extinguishment of debt is inclusive of adjustments made to reflect our adoption of the new accounting standard for convertible debt
instruments.

During the nine month period ended September 30, 2008, we repurchased $31.5 million of our $345.0 million 3.875% Guaranteed
Exchangeable Notes which resulted in a $3.1 million gain we reported for the early extinguishment of debt. The gain on extinguishment of debt has been retrospectively adjusted to reflect our adoption of the new accounting standard for convertible
debt instruments.

Discontinued Operations

During the nine months period ended September 30, 2009, we sold two properties in Exton, PA, one property in Moorestown, NJ and one property in Bethesda, MD. We also classified two properties in
Trenton, NJ and a condominium interest in an office building in Lawrenceville, NJ as held for sale. These properties had total revenue of $13.1 million, operating expenses of $6.3 million, depreciation and amortization expenses of $2.2 million and
loss on sale of 1.0 million. We also recorded a $3.7 million loss provision during the first quarter of 2009 in connection with the property in Bethesda, MD sold during the second quarter of 2009 which reduced our income from discontinued
operations.

The September 30, 2008 amounts are reclassified to include the operations of the properties sold and classified as held for
sale during the nine months period end September 30, 2009, as well as all properties that were sold through the year ended December 31, 2008. Therefore, the discontinued operations amount for the nine months period ended September 30,
2008 includes total revenue of $54.4 million, operating expenses of $24.4 million, depreciation and amortization expense of $12.5 million, interest expense of $4.5 million and gains on sale of $21.4 million. We also recorded a $6.85 million loss
provision in connection with the five Northern California properties classified as held for sale during the second quarter of 2008 which reduced our income from discontinued operations.

Net Income

Net income
decreased by $11.3 million from the third quarter of 2008 as a result of the factors described above. Net income is significantly impacted by depreciation of operating properties and amortization of acquired intangibles. These non-cash charges do
not directly affect our ability to pay dividends. Such charges can be expected to continue until the values ascribed to the lease intangibles are fully amortized. These intangibles are generally amortizing over the related lease terms or estimated
duration of the tenant relationship.

Earnings per Common Share

Earnings per share was $0.05 for the third quarter of 2009 as compared to earnings per share $0.18 for the third quarter of 2008 as a result of the factors
described above and an increase in the average number of common shares outstanding. The increase in the average number of common shares outstanding is primarily the result of a $242.3 million public equity offering of 40,250,000 shares during the
second quarter of 2009.



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LIQUIDITY AND CAPITAL RESOURCES

General

Our principal
liquidity needs for the next twelve months are as follows:



| |  |  | fund normal recurring expenses,
| | - |  | -------------------------------



| |  |  | fund capital expenditures, including capital and tenant improvements and leasing costs,
| | - |  | ---------------------------------------------------------------------------------------



| |  |  | fund repayment of certain debt instruments when they mature,
| | - |  | ------------------------------------------------------------



| |  |  | fund current development and redevelopment costs, and
| | - |  | -----------------------------------------------------



| |  |  | fund distributions declared by our Board of Trustees.
| | - |  | -----------------------------------------------------

We believe that with the general downturn in the economy, it is reasonably likely that vacancy rates may continue to increase, effective rental rates on new and renewed leases may continue to decrease and
tenant installation costs, including concessions, may continue to increase in most or all of our markets in 2009 and possibly beyond. If economic conditions persist or deteriorate, we may experience increases in past due accounts, defaults, lower
occupancy and reduced effective rents. This condition would negatively affect our future net income and cash flows and could have a material adverse effect on our financial condition. As a result of the potential negative effects on our revenue
from the overall reduced demand for office space, our cash flow could be insufficient to cover increased tenant installation costs over the short-term. If this situation were to occur, we expect that we would finance any shortfalls through
borrowings under our Credit Facility and other debt and equity financings.

We believe that our liquidity needs will be satisfied through cash
flows generated by operations, financing activities and selective Property sales. Rental revenue, expense recoveries from tenants, and other income from operations are our principal sources of cash that we use to pay operating expenses, debt
service, recurring capital expenditures and the minimum distributions required to maintain our REIT qualification. We seek to increase cash flows from our properties by maintaining quality standards for our properties that promote high occupancy
rates and permit increases in rental rates while reducing tenant turnover and controlling operating expenses. Our revenue also includes third-party fees generated by our property management, leasing, development and construction businesses. We
believe our revenue, together with proceeds from property sales and debt financings, will continue to provide funds for our short-term liquidity needs. However, material changes in our operating or financing activities may adversely affect our net
cash flows. Such changes, in turn, would adversely affect our ability to fund distributions, debt service payments and tenant improvements. In addition, a material adverse change in our cash provided by operations would affect the financial
performance covenants under our unsecured credit facility, unsecured term loan and unsecured notes.

Financial markets have recently
experienced unusual volatility and uncertainty. Liquidity has tightened in all financial markets. Our ability to fund development projects, as well as our ability to repay or refinance debt maturities could be adversely affected by an
inability to secure financing at reasonable terms beyond those already completed in 2009. It is possible, in these unusual and uncertain times that one or more lenders in our revolving credit facility could fail to fund a borrowing
request. Such an event could adversely affect our ability to access funds from our revolving credit facility when needed.

Our liquidity
management remains a top priority. We have proactively pursued new financing opportunities to ensure an appropriate balance sheet position. As a result of these dedicated efforts, we are comfortable with our ability to meet future debt maturities
and development funding needs. We believe that our current balance sheet is in an adequate position at the date of this filing, despite the ongoing disruption in the credit markets. The following are our significant activities during 2009 affecting
our liquidity management:



| |  |  | On April 1, 2009, we closed on an $89.8 million first mortgage financing on our Two Logan Square property. The new loan bears interest at
7.57% per annum and has a seven-year term with three years of interest only payments with principal payments based on a thirty-year amortization schedule. We used $68.6 million in net proceeds to repay without penalty the balance of the former
Two Logan Square first mortgage loan and $21.2 million for general corporate purposes including the repayment of existing indebtedness.
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On July 8, 2009, we closed on a $60 million first mortgage financing on our One Logan Square property. The new loan bears interest at a floating
rate of LIBOR plus 350 basis points (subject to a LIBOR floor) and has a seven-year term with three years of interest only payments with principal payments based on a thirty-year amortization schedule at a 7.5% rate. We used the loan proceeds for
general corporate purposes including repayment of existing indebtedness.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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| |  |  | On June 29, 2009, we entered into a forward financing commitment to borrow up to $256.5 million under two separate loans at a per annum interest
rate of 5.93%. The loans, when funded, will be secured by mortgages on the 30thStreet Post Office (the Post Office project), the Cira South Garage (the garage project) projects and by the leases of space at these facilities upon the completion of these
projects. Of the total borrowings, $209.7 million and $46.8 million will be allocated to the Post Office project and to the garage project, respectively. In order for funding to occur we need to meet certain conditions which primarily relate to the
completion of the projects and the commencement of the rental payments from the respective leases on these properties.
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | On September 25, 2009, we consummated a registered public offering of $250.0 million in aggregate principal amount of our 7.50% senior unsecured
notes due 2015. The notes were priced at 99.412% of their face amount with a yield to maturity of 7.625%, representing a spread at the time of pricing of 5.162% to the yield on the August 2014 Treasury note. The notes have been reflected net of
discount of $1.5 million in the consolidated balance sheet as of September 30, 2009. The net proceeds which amounted to $247.0 million after deducting underwriting discounts and offering expenses will be used to repay our indebtedness under our
existing unsecured revolving credit facility and for general corporate purposes.
| | - |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

We will also consider other properties
within our portfolio as necessary, where it may be in our best interest to obtain a secured mortgage.

We draw on multiple financing sources
to fund our long-term capital needs. We use our credit facility for general business purposes, including the acquisition, development and redevelopment of properties and the repayment of other debt.

Our ability to incur additional debt is dependent upon a number of factors, including our credit ratings, the value of our unencumbered assets, our degree
of leverage and borrowing restrictions imposed by our current lenders. If more than one rating agency were to downgrade our credit rating, our access to capital in the unsecured debt market would be more limited and the interest rate under our
existing credit facility and term loan would increase.

Our ability to sell common and preferred shares is dependent on, among other things,
general market conditions for REITs, market perceptions about our company and the current trading price of our shares. We regularly analyze which source of capital is most advantageous to us at any particular point in time. On June 2, 2009, we
completed the public offering of 40,250,000 of our common shares, par value $0.01 per share. The common shares were issued and sold to the underwriters at a public offering price of $6.30 per common share in accordance with an underwriting
agreement. The common shares sold include 5,250,000 shares issued and sold pursuant to the underwriters exercise in full of their over-allotment option under the underwriting agreement. We received net proceeds of approximately $242.3 million
from the offering net of underwriting discounts, commissions and expenses. We used the net proceeds from the offering to repay our outstanding borrowings under our $600.0 million unsecured revolving credit facility amounting to $242.0 million and
for general corporate purposes.

We will also consider sales of selected Properties as another source of managing our liquidity. In addition,
during 2009, our expectation is that we will receive $23.8 million as the second contribution under the historic tax credit transaction that we entered into with US Bancorp. Asset sales during 2008 and through 2009 have been a source of cash. During
2009, we sold seven properties containing 0.7 million in net rentable square feet for net cash proceeds of $98.7 million. Since mid-2007, we have used proceeds from asset sales to repay existing indebtedness, provide capital for our development
activities and strengthen our financial condition. There is no guarantee that we will be able to raise similar or even lesser amounts of capital from future asset sales.

Cash Flows

The following discussion of our cash flows is based on the consolidated
statement of cash flows and is not meant to be a comprehensive discussion of the changes in our cash flows for the periods presented.



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As of September 30, 2009 and December 31, 2008, we maintained cash and cash equivalents of $3.3
million and $3.9 million, respectively. The following are the changes in cash flow from our activities for the nine-month periods ended September 30 (in thousands):



|               |  |      |          |   |      |   |         |  
|-------------- |  | ---- | -------- | - | ---- | - | ------- | -
|Activity       |  | 2009 |          |   | 2008 |  
|Operating      |  | $    | 163,099  |   |      | $ | 180,150 |  
|Investing      |  |      | (118,748 | ) |      |   | (83,287 | )
|Financing      |  |      | (44,979  | ) |      |   | (99,789 | )
|               |  |      |          |   |      |   |         |  
|Net cash flows |  | $    | (628     | ) |      | $ | (2,926  | )
|               |  |      |          |   |      |   |         |  

Our principal source of cash flows is from the operation of our properties. The decrease in cash
flows from operating activities is primarily the result of the timing of cash receipts from our tenants and cash expenditures in the normal course of operations and the decrease in the number of operating properties. We do not restate our cash flow
for discontinued operations.

The net increase in cash flows used in investing activities is primarily attributable to our capital
expenditures for tenant and building improvements and leasing commissions which increased by $42.0 million during the nine months period ended September 30, 2009 when compared to the nine months period ended September 30, 2008. In
addition, net proceeds from sales of properties during the nine months period ended September 30, 2009 decreased by $20.2 million when compared to the nine months period ended September 30, 2008. This increase was offset by the receipt of
funds held in escrow during the last quarter of 2008 related to the Cira garage projects amounting to $31.4 million.

The net decrease in cash
used in financing activities is mainly due to the following:



| |  |  | Net proceeds received from the public offering of common shares amounting to $242.3 million.
| | - |  | --------------------------------------------------------------------------------------------



| |  |  | Decrease in our distributions paid to shareholders from $126.9 million during the nine months period ended September 30, 2008 to $55.4 million
during the nine months period ended September 30, 2009.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | During the nine months period ended September 30, 2009, we also obtained a total of $149.8 million first mortgage financings on our One Logan and
Two Logan Square office properties located in Philadelphia, Pennsylvania.
| | - |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Completion of a registered public offering of $250.0 million in aggregate principal amount of our 7.50% senior unsecured notes due 2015. We received
$247.0 million in net proceeds from this offering after deducting underwriting discounts and offering expenses.
| | - |  | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Increase in the net activity of our credit facility and unsecured notes of $572.2 million during the nine months period ended September 30, 2008
when compared to the nine months period ended September 30, 2009.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | Repayments of mortgage notes payable also increased from $21.9 million during the nine months period ended September 30, 2008 to $81.6 million
during the nine months period ended September 30, 2009.
| | - |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| |  |  | In addition, deferred financing costs also increased during the nine months period ended September 30, 2009 by $24.1 million when compared to the
nine months period ended September 30, 2008 and primarily relate to the payment of the $17.7 million forward financing commitment fee.
| | - |  | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Capitalization

Indebtedness

During the nine-months ended September 30, 2009, we repurchased $401.1 million of our existing Notes in a series of transactions which are summarized in
the table below:



|             |  |                  |         |           |   |         |  |                                |        |  |   |      
|------------ |  | ---------------- | ------- | --------- | - | ------- |  | ------------------------------ | ------ |  | - | -----
|Notes        |  | RepurchaseAmount |         | Principal |   | Gain    |  | Deferred FinancingAmortization
|2009 Notes   |  | $                | 92,736  |           | $ | 94,130  |  | $                              | 1,377  |  | $ | 88   
|2010 Notes   |  |                  | 59,257  |           |   | 64,999  |  |                                | 5,760  |  |   | 190  
|2012 Notes   |  |                  | 109,104 |           |   | 112,175 |  |                                | 2,610  |  |   | 369  
|2014 Notes   |  |                  | 6,329   |           |   | 7,319   |  |                                | 961    |  |   | 330  
|3.875% Notes |  |                  | 106,166 |           |   | 122,490 |  |                                | 13,016 |  |   | 1,111
|             |  |                  |         |           |   |         |  |                                |        |  |   |      
|             |  | $                | 373,592 |           | $ | 401,113 |  | $                              | 23,724 |  | $ | 2,088
|             |  |                  |         |           |   |         |  |                                |        |  |   |      



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The table below summarizes our mortgage notes payable, our unsecured notes and our revolving credit facility
(net of discounts) at September 30, 2009 and December 31, 2008:



|                                                |  |                        |           |   |                  |   |           |  
|----------------------------------------------- |  | ---------------------- | --------- | - | ---------------- | - | --------- | -
|                                                |  | September 30,2009      |           |   | December 31,2008 |  
|                                                |  | (dollars in thousands) |          
|Balance:                                        |  |                        |           |   |                  |   |           |  
|Fixed rate (includes variable swapped to fixed) |  | $                      | 2,456,383 |   |                  | $ | 2,505,659 |  
|Variable rate - unhedged                        |  |                        | 53,136    |   |                  |   | 235,836   |  
|                                                |  |                        |           |   |                  |   |           |  
|Total                                           |  | $                      | 2,509,519 |   |                  | $ | 2,741,495 |  
|                                                |  |                        |           |   |                  |   |           |  
|                                                |  |                       
|Percent of Total Debt:                          |  |                        |           |   |                  |   |           |  
|Fixed rate (includes variable swapped to fixed) |  |                        | 97.9      | % |                  |   | 91.4      | %
|Variable rate - unhedged                        |  |                        | 2.1       | % |                  |   | 8.6       | %
|                                                |  |                        |           |   |                  |   |           |  
|Total                                           |  |                        | 100       | % |                  |   | 100       | %
|                                                |  |                        |           |   |                  |   |           |  
|                                                |  |                       
|Weighted-average interest rate at period end:   |  |                        |           |   |                  |   |           |  
|Fixed rate (includes variable swapped to fixed) |  |                        | 5.8       | % |                  |   | 5.6       | %
|Variable rate - unhedged                        |  |                        | 3.2       | % |                  |   | 2.1       | %
|Total                                           |  |                        | 5.7       | % |                  |   | 5.1       | %

The variable rate debt shown above generally bear interest based on various spreads over a LIBOR term
selected by us.

We use credit facility borrowings for general business purposes, including the acquisition, development and redevelopment of
properties and the repayment of other debt. The Credit Facility requires the maintenance of financial covenants, including ratios related to minimum net worth, debt to total capitalization and fixed charge coverage and customary non-financial
covenants. We were in compliance with all covenants as of September 30, 2009.

The indenture under which we issued our unsecured notes
including those issued in September 2009, and the note purchase agreement that governed an additional $113.0 million of 4.34% unsecured notes that matured in December 2008, contain (or contained) financial covenants, including (1) a leverage
ratio not to exceed 60%, (2) a secured debt leverage ratio not to exceed 40%, (3) a debt service coverage ratio of greater than 1.5 to 1.0 and (4) an unencumbered asset value of not less than 150% of unsecured debt. We were in
compliance with all covenants as of September 30, 2009.

We have mortgage loans that are collateralized by certain of our Properties.
Payments on mortgage loans are generally due in monthly installments of principal and interest, or interest only. We intend to refinance or repay our mortgage loans as they mature through the use of proceeds from selective Property sales and secured
or unsecured borrowings. However, in the current and expected future economic environment one or more of these sources may not be available on attractive terms or at all.

Our charter documents do not limit the amount or form of indebtedness that we may incur, and our policies on debt incurrence are solely within the discretion of our Board, subject to financial covenants
in the Credit Facility, indenture and other credit agreements.

As of September 30, 2009, we had guaranteed repayment of approximately
$2.1 million of loans on behalf of certain Real Estate Ventures. We also provide customary environmental indemnities and completion guarantees in connection with construction and permanent financing both for our own account and on behalf of certain
of the Real Estate Ventures.

Equity

On September 16, 2009, we declared a distribution of $0.10 per Common Share, totaling $12.9 million, which we paid on October 19, 2009 to shareholders of record as of October 5, 2009. The
Operating Partnership simultaneously declared a $0.10 per unit cash distribution to holders of Class A Units totaling $0.3 million.



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On September 16, 2009, we declared distributions on our Series C Preferred Shares and Series D
Preferred Shares to holders of record as of October 5, 2009. These shares are entitled to a preferential return of 7.50% and 7.375%, respectively. Distributions paid on October 15, 2009 to holders of Series C Preferred Shares and Series D
Preferred Shares totaled $0.9 million and $1.1 million, respectively.

On June 2, 2009, we completed the public offering (the
offering) of 40,250,000 of our common shares, par value $0.01 per share. The common shares were issued and sold to the underwriters at a public offering price of $6.30 per common share in accordance with an underwriting agreement. The
common shares sold include 5,250,000 shares issued and sold pursuant to the underwriters exercise in full of their over-allotment option under the underwriting agreement. We received net proceeds of approximately $242.3 million from the
offering net of underwriting discounts, commissions and expenses. We used the net proceeds from the offering to repay our outstanding borrowings under our $600.0 million unsecured revolving credit facility amounting to $242.0 million and for general
corporate purposes.

We maintain a share repurchase program under which our Board has authorized us to repurchase our common shares from time
to time. Our Board initially authorized this program in 1998 and has periodically replenished capacity under the program. On May 2, 2006, our Board restored capacity to 3.5 million common shares. As of September 30, 2009, there are
approximately 0.5 million shares remaining to be repurchased under this program. Our Board has not limited the duration of the program; however, it may be terminated at any time.

Shelf Registration Statement

Together with our Operating Partnership, we maintain a shelf registration statement that registered common shares, preferred shares, depositary shares and warrants and unsecured debt securities. Subject to our ongoing compliance with
securities laws, and if warranted by market conditions, we may offer and sell equity and debt securities from time to time under the registration statement.

Short- and Long-Term Liquidity

We believe that our cash flow from operations is
adequate to fund our short-term liquidity requirements, excluding principal payments under our debt obligations. Cash flow from operations is generated primarily from rental revenues and operating expense reimbursements from tenants and management
services income from providing services to third parties. We intend to use these funds to meet short-term liquidity needs, which are to fund operating expenses, recurring capital expenditures, tenant allowances, leasing commissions, interest expense
and the minimum distributions required to maintain our REIT qualification under the Internal Revenue Code. We expect to meet short-term scheduled debt maturities through borrowings under the Credit Facility and proceeds from asset dispositions. As
of September 30, 2009, we have $210.5 million of unsecured debt and $42.2 million of mortgage debt that is scheduled to mature through December 2010. The aforementioned amounts exclude the repayment of the November 2009 notes which were funded
by our Credit Facility and available cash. We expect to extend our term loan of $183.0 million and for the remaining debt maturities we expect to have sufficient capacity under our Credit Facility but we will also continue to look to the other
listed sources to fund these maturities.

We expect to meet our long-term liquidity requirements, such as for property acquisitions,
development, investments in real estate ventures, scheduled debt maturities, major renovations, expansions and other significant capital improvements, through cash from operations, borrowings under the Credit Facility, additional secured and
unsecured indebtedness, the issuance of equity securities, contributions from joint venture investors and proceeds from asset dispositions.

Many commercial real estate lenders have substantially tightened underwriting standards or have withdrawn from the lending marketplace. Also, spreads in the investment grade bond market have substantially widened. These
circumstances have materially impacted liquidity in the debt markets, making financing terms less attractive, and in certain cases have resulted in the unavailability of certain types of debt financing. As a result, we expect debt financings
will be more difficult to obtain and that borrowing costs on new and refinanced debt will be more expensive. Moreover, the volatility in the financial markets, in general, will make it more difficult or costly, for us to raise capital through
the issuance of common stock, preferred stock or other equity instruments or through public issuances of debt securities from our shelf registration statements as we have been able to do in the past. Such conditions would also limit our ability to
raise capital through asset dispositions at attractive prices or at all.



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Inflation

A majority of our leases provide for reimbursement of real estate taxes and operating expenses either on a triple net basis or over a base amount. In addition, many of our office leases provide for fixed
base rent increases. We believe that inflationary increases in expenses will be partially offset by expense reimbursement and contractual rent increases.

Commitments and Contingencies

The following table outlines the timing of payment
requirements related to our contractual commitments as of September 30, 2009:



|                           |  |                                   |           |                 |           |         |           |   |           |                  |   |         |  |   |          
|-------------------------- |  | --------------------------------- | --------- | --------------- | --------- | ------- | --------- | - | --------- | ---------------- | - | ------- |  | - | ---------
|                           |  | Payments by Period (in thousands)
|                           |  |                                   |           | Less than1
Year |           |         |           |   |           | More than5
Years
|                           |  | Total                             |           |                 | 1-3 Years |         | 3-5 Years |  
|Mortgage notes payable (a) |  | $                                 | 553,133   |                 | $         | 9,003   |           | $ | 226,441   |                  | $ | 156,204 |  | $ | 161,485  
|Revolving credit facility  |  |                                   |          |                 |           |        |           |   |          |                  |   |        |  |   |         
|Unsecured term loan        |  |                                   | 183,000   |                 |           |        |           |   | 183,000   |                  |   |        |  |   |         
|Unsecured debt (a)         |  |                                   | 1,781,758 |                 |           | 102,550 |           |   | 398,377   |                  |   | 492,681 |  |   | 788,150  
|Ground leases (b)          |  |                                   | 300,000   |                 |           | 497     |           |   | 6,872     |                  |   | 6,954   |  |   | 285,677  
|Interest expense           |  |                                   | 729,145   |                 |           | 124,905 |           |   | 216,727   |                  |   | 239,218 |  |   | 148,295  
|Development contracts (c)  |  |                                   | 94,358    |                 |           | 84,250  |           |   | 10,108    |                  |   |        |  |   |         
|Other liabilities          |  |                                   | 7,022     |                 |           | 251     |           |   |          |                  |   |        |  |   | 6,771    
|                           |  |                                   |           |                 |           |         |           |   |           |                  |   |         |  |   |          
|                           |  | $                                 | 3,648,416 |                 | $         | 321,456 |           | $ | 1,041,525 |                  | $ | 895,057 |  | $ | 1,390,378
|                           |  |                                   |           |                 |           |         |           |   |           |                  |   |         |  |   |          



|(a) | Amounts do not include unamortized discounts and/or premiums.
|--- | -------------------------------------------------------------

|(b) | Future minimum rental payments under the terms of all non-cancelable ground leases under which we are the lessee are expensed on a straight-line basis regardless of
when payments are due.
|--- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|(c) | Represents contractual obligations for certain development projects and does not contemplate all costs expected to be incurred for such developments.
|--- | -----------------------------------------------------------------------------------------------------------------------------------------------------

As part of the TRC acquisition, we acquired our interest in Two Logan Square, a 702,006 square foot office building in
Philadelphia, primarily through our ownership of a second and third mortgage secured by this property. This property is consolidated as the borrower is a variable interest entity and we, through our ownership of the second and third mortgages are
the primary beneficiary. We currently do not expect to take title to Two Logan Square until, at the earliest, September 2019. If we take fee title to Two Logan Square upon a foreclosure of our mortgage, we have agreed to pay an unaffiliated third
party that holds a residual interest in the fee owner of this property an amount equal to $0.6 million (if we must pay a state and local transfer upon taking title) and $2.9 million (if no transfer tax is payable upon the transfer).

We are currently being audited by the Internal Revenue Service for our 2004 tax year. The audit concerns the tax treatment of the transaction in September
2004 in which we acquired a portfolio of properties through the acquisition of a limited partnership. At this time it does not appear that an adjustment would result in a material tax liability for us. However, an adjustment could raise a question
as to whether a contributor of partnership interests in the 2004 transaction could assert a claim against us under the tax protection agreement entered into as part of the transaction.

As part of our 2006 acquisition of Prentiss Properties Trust, the TRC acquisition in 2004 and several of our other transactions, we agreed not to sell certain of the properties we acquired in transactions
that would trigger taxable income to the former owners. In the case of the TRC acquisition, we agreed not to sell acquired properties for periods up to 15 years from the date of the TRC acquisition as follows at September 30, 2009: One Rodney
Square and 130/150/170 Radnor Financial Center (January 2015); and One Logan Square, Two Logan Square and Radnor Corporate Center (January 2020). In the Prentiss acquisition, we assumed the obligation of Prentiss not to sell Concord Airport Plaza
before March 2018. Our agreements generally provide that we may dispose of the subject properties only in transactions that qualify as tax-free exchanges under Section 1031 of the Internal Revenue Code or in other tax deferred transactions. If
we were to sell a restricted property before expiration of the restricted period in a non-exempt transaction, we would be required to make significant payments to the parties who sold us the applicable property for tax liabilities triggered to them.



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In connection with our development of the PO Box/IRS and Cira Garage projects, during 2008, we entered into
a historic tax credit and new markets tax credit arrangement, respectively. We are required to be in compliance with various laws, regulations and contractual provisions that apply to our historic and new market tax credit arrangements.
Non-compliance with applicable requirements could result in projected tax benefits not being realized and therefore, require a refund to USB or reduction of investor capital contributions, which are reported as deferred income in our consolidated
balance sheet, until such time as our obligation to deliver tax benefits is relieved. The remaining compliance periods for our tax credit arrangements runs through 2015. We do not anticipate that any material refunds or reductions of investor
capital contributions will be required in connection with these arrangements.

On June 29, 2009, we entered into a
forward financing commitment to borrow up to $256.5 million under two separate loans which are secured by mortgages on the 30thStreet Post Office (the Post Office project), the Cira South Garage (the garage project)
projects and by the leases of space at these facilities upon the completion of these projects (See Note 7). In order for funding to occur we need to meet certain conditions which primarily relate to the completion of the projects and the
commencement of the rental payments from the respective leases on these properties. The expected funding date is scheduled on August 26, 2010 which is also the anticipated completion date of the projects. In the event the said conditions were
not met, we have the right to extend the funding date by paying an extension fee amounting to $1.8 million for each 30 day extension within the allowed two year extension period. In addition, we can also voluntarily elect to terminate the loans
during the forward period including the extension period by paying a termination fee. We are also subject to the termination fee if the conditions were not met on the final advance date. The termination fee is calculated as the greater of the 0.5%
of the total available principal to be funded or the present value of the scheduled interest and principal payments (based on the principal amount to be funded and the then 20 year treasury rate plus 50 basis points) from the funding date
through the loans maturity date and the amount to be funded. In addition, deferred financing costs related to these loans will be accelerated if we chose to terminate the forward financing commitment.

We invest in our properties and regularly incur capital expenditures in the ordinary course to maintain the properties. We believe that such expenditures
enhance our competitiveness. We also enter into construction, utility and service contracts in the ordinary course of business which may extend beyond one year. These contracts typically provide for cancellation with insignificant or no cancellation
penalties.

Interest Rate Risk and Sensitivity Analysis

The analysis below presents the sensitivity of the market value of our financial instruments to selected changes in market rates. The range of changes chosen
reflects our view of changes which are reasonably possible over a one-year period. Market values are the present value of projected future cash flows based on the market rates chosen.

Our financial instruments consist of both fixed and variable rate debt. As of September 30, 2009, our consolidated debt consisted of $554.6 million in fixed rate mortgages, $183.0 million borrowings
in an unsecured term loan and $1,771.9 million in unsecured notes (net of discounts) of which $1,718.8 million are fixed rate borrowings and $53.1 million are variable rate borrowings. All financial instruments were entered into for other than
trading purposes and the net market value of these financial instruments is referred to as the net financial position. Changes in interest rates have different impacts on the fixed and variable rate portions of our debt portfolio. A change in
interest rates on the fixed portion of the debt portfolio impacts the net financial instrument position, but has no impact on interest incurred or cash flows. A change in interest rates on the variable portion of the debt portfolio impacts the
interest incurred and cash flows, but does not impact the net financial instrument position.

As of September 30, 2009, based on
prevailing interest rates and credit spreads, the fair value of our unsecured notes was $1.6 billion. For sensitivity purposes, a 100 basis point change in the discount rate equates to a change in the total fair value of our debt, including the
Notes, of approximately $17.0 million at September 30, 2009.

We use derivative instruments to manage interest rate risk exposures and
not for speculative purposes. As of September 30, 2009, we effectively hedged debt with a notional amount of $208.5 million through five interest rate swap agreements. These instruments have an aggregate fair value of $8.9 million at
September 30, 2009.

We also have two interest swaps with a notional amount of $50.0 million at September 30, 2009, which we have
applied in the registered offering of our unsecured notes on September 21, 2009. The related interest swaps no longer qualify for hedge accounting upon the completion of the offering as the hedging relationship was terminated and we do not
expect to settle them in cash until the latter part of the of the last quarter of this year. Accordingly, changes in the fair value of these interest rate swaps will be charged to our consolidated statements of operations until they are cash
settled. We also recognized $0.7 million of ineffectiveness of the hedges during the nine months ended September 30, 2009.



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The total carrying value of our variable rate debt was approximately $261.6 million and $414.6 million at
September 30, 2009 and December 31, 2008, respectively. The total fair value of our debt, excluding the Notes, was approximately $252.1 million and $398.7 million at September 30, 2009 and December 31, 2008, respectively. For
sensitivity purposes, a 100 basis point change in the discount rate equates to a change in the total fair value of our debt, excluding the Notes of approximately $0.6 million at September 30, 2009, and a 100 basis point change in the discount
rate equates to a change in the total fair value of our debt of approximately $2.4 million at December 31, 2008.

If market rates of
interest increase by 1%, the fair value of our outstanding fixed-rate mortgage debt would decrease by approximately $17.0 million. If market rates of interest decrease by 1%, the fair value of our outstanding fixed-rate mortgage debt would increase
by approximately $17.9 million.

At September 30, 2009, our outstanding variable rate debt based on LIBOR totaled approximately $261.6
million. At September 30, 2009, the interest rate on our variable rate debt was approximately 1.84%. If market interest rates on our variable rate debt change by 100 basis points, total interest expense would change by approximately $0.2
million for the quarter ended September 30, 2009.

These amounts were determined solely by considering the impact of hypothetical
interest rates on our financial instruments. Due to the uncertainty of specific actions we may undertake to minimize possible effects of market interest rate increases, this analysis assumes no changes in our financial structure.



|Item 3. | Quantitative and Qualitative Disclosures about Market Risk
|------- | ----------------------------------------------------------

Market risk is the exposure to loss resulting from changes in interest rates, commodity prices and equity prices. In pursuing our business plan, the primary market risk to which we are exposed is interest
rate risk. Changes in the general level of interest rates prevailing in the financial markets may affect the spread between our yield on invested assets and cost of funds and, in turn, our ability to make distributions or payments to our
shareholders. While we have not experienced any significant credit losses, in the event of a significant rising interest rate environment and/or economic downturn, defaults could increase and result in losses to us which adversely affect our
operating results and liquidity.

See Interest Rate Risk and Sensitivity Analysis in Item 2 above.



|Item 4. | Controls and Procedures
|------- | -----------------------



| | (a) | Evaluation of disclosure controls and procedures.Under the supervision and with the participation of our management, including our principal executive officer
and principal financial officer, we conducted an evaluation of our disclosure controls and procedures, as such term is defined under Rule 13a-15(e) promulgated under the Securities Exchange Act of 1934, as amended (the Exchange Act) as of the
end of the period covered by this quarterly report and have concluded that the Companys disclosure controls and procedures are effective.
| | --- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



| | (b) | Changes in internal controls over financial reporting.There was no change in the Companys internal control over financial reporting that occurred during
the period covered by this quarterly report that has materially affected, or is reasonably likely to materially affect, the Companys internal control over financial reporting.
| | --- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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Part II. OTHER INFORMATION



|Item 1. | Legal Proceedings
|------- | -----------------

Not applicable.



|Item 1A. | Risk Factors
|-------- | ------------

There has been no material
change to the risk factors previously disclosed by us in our Form 10-K for the fiscal year ended December 31, 2008.



|Item 2. | Unregistered Sales of Equity Securities and Use of Proceeds
|------- | -----------------------------------------------------------

The following table summarizes the share repurchases during the three-month period ended September 30, 2009:



|          |  |                               |  |                            |  |                                                              |  |                                                                       
|--------- |  | ----------------------------- |  | -------------------------- |  | ------------------------------------------------------------ |  | ----------------------------------------------------------------------
|          |  | TotalNumber ofSharesPurchased |  | AveragePrice Paid PerShare |  | SharesPurchased asPart of PubliclyAnnounced Plansor Programs |  | Number ofShares that MayYet Be PurchasedUnder the Plansor Programs (a)
|          |  |                               |  |                           
|2009:     |  |                               |  |                            |  |                                                              |  |                                                                       
|July      |  |                              |  |                            |  |                                                             |  | 539,200                                                               
|August    |  |                              |  |                            |  |                                                             |  | 539,200                                                               
|September |  |                              |  |                            |  |                                                             |  | 539,200                                                               
|          |  |                               |  |                            |  |                                                              |  |                                                                       
|Total     |  |                              |  |                            |  |                                                             |  |                                                                       
|          |  |                               |  |                            |  |                                                              |  |                                                                       



|(a) | On May 2, 2006, our Board of Trustees authorized an increase in the number of common shares that we may repurchase, whether in open-market or privately negotiated
transactions. The Board authorized us to purchase up to an aggregate of 3,500,000 common shares (inclusive of the remaining share repurchase availability under the Boards prior authorization from September 2001). There is no expiration date on
the share repurchase program.
|--- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



|Item 3. | Defaults Upon Senior Securities
|------- | -------------------------------

Not
applicable.



|Item 4. | Submission of Matters to a Vote of Security Holders
|------- | ---------------------------------------------------

Not applicable



|Item 5. | Other Information
|------- | -----------------

Not applicable.



|Item 6. | Exhibits
|------- | --------

(a)
Exhibits



|     |  |                                                                                                                                                                                                                        
|---- |  | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|31.1 |  | Certification of the Chief Executive Officer of Brandywine Realty Trust pursuant to 13a-14 under the Securities Exchange Act of 1934                                                                                   
|     | 
|31.2 |  | Certification of the Chief Financial Officer of Brandywine Realty Trust pursuant to 13a-14 under the Securities Exchange Act of 1934                                                                                   
|     | 
|31.3 |  | Certification of the Chief Executive Officer of Brandywine Realty Trust, in its capacity as the general partner of Brandywine Operating Partnership, L.P., pursuant to 13a-14 under
the Securities Exchange Act of 1934
|     | 
|31.4 |  | Certification of the Chief Financial Officer of Brandywine Realty Trust, in its capacity as the general partner of Brandywine Operating Partnership, L.P., pursuant to 13a-14 under
the Securities Exchange Act of 1934
|     | 
|32.1 |  | Certification of the Chief Executive Officer of Brandywine Realty Trust pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of
2002                                       



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|     |  |                                                                                                                                                                                                                                                                    
|---- |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|32.2 |  | Certification of the Chief Financial Officer of Brandywine Realty Trust pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act
of 2002                                                                                   
|     | 
|32.3 |  | Certification of the Chief Executive Officer of Brandywine Realty Trust, in its capacity as the general partner of Brandywine Operating Partnership, L.P., pursuant to 18 U.S.C.
Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
|     | 
|32.4 |  | Certification of the Chief Financial Officer of Brandywine Realty Trust, in its capacity as the general partner of Brandywine Operating Partnership, L.P., pursuant to 18 U.S.C.
Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002



|** | Management contract or compensatory plan or arrangement
|-- | -------------------------------------------------------



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SIGNATURES OF REGISTRANT

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.



|                       |  |                         |  |                                                                        
|---------------------- |  | ----------------------- |  | -----------------------------------------------------------------------
|                       |  | BRANDYWINE REALTY TRUST
|                       |  | (Registrant)           
|                       |  |                        
|Date: November 6, 2009 |  | By:                     |  | /S/    GERARD H.
SWEENEY                                               
|                       |  |                         |  | Gerard H. Sweeney, President and Chief Executive Officer               
|                       |  |                         |  | (Principal Executive Officer)                                          
|                       |  |                        
|Date: November 6, 2009 |  | By:                     |  | /S/    HOWARD M.
SIPZNER                                               
|                       |  |                         |  | Howard M. Sipzner, Executive Vice President and Chief Financial Officer
|                       |  |                         |  | (Principal Financial Officer)                                          
|                       |  |                        
|Date: November 6, 2009 |  | By:                     |  | /S/    GABRIEL J.
MAINARDI                                             
|                       |  |                         |  | Gabriel J. Mainardi, Vice President, Accounting & Treasurer            
|                       |  |                         |  | (Principal Accounting Officer)                                         



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SIGNATURES OF REGISTRANT

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized.



|                       |  |                                                                 |  |                                                                        
|---------------------- |  | --------------------------------------------------------------- |  | -----------------------------------------------------------------------
|                       |  | BRANDYWINE OPERATING PARTNERSHIP, L.P.             (Registrant)
|                       | 
|                       |  | BRANDYWINE REALTY TRUST, as general partner                    
|                       |  |                                                                
|Date: November 6, 2009 |  | By:                                                             |  | /S/    GERARD H.
SWEENEY                                               
|                       |  |                                                                 |  | Gerard H. Sweeney, President and Chief Executive Officer               
|                       |  |                                                                 |  | (Principal Executive Officer)                                          
|                       |  |                                                                
|Date: November 6, 2009 |  | By:                                                             |  | /S/    HOWARD M.
SIPZNER                                               
|                       |  |                                                                 |  | Howard M. Sipzner, Executive Vice President and Chief Financial Officer
|                       |  |                                                                 |  | (Principal Financial Officer)                                          
|                       |  |                                                                
|Date: November 6, 2009 |  | By:                                                             |  | /S/    GABRIEL J.
MAINARDI                                             
|                       |  |                                                                 |  | Gabriel J. Mainardi, Vice President, Accounting & Treasurer            
|                       |  |                                                                 |  | (Principal Accounting Officer)                                         



99