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|   | BORROWER:                                 |
|--------|-------------------------------------------|
|   |                                      |
|   | LAKEPOINTE      ASSETS LLC,               |
|   | a      Delaware limited liability company |
|   |                                      |   |
|   |                                      |   |
|   | By:                                       | /s/      J. Richard Rosenberg |
|   | Name:                                     | J.      Richard Rosenberg, |
|   | Title:                                    | Vice      President and Chief Financial Officer |
|   |                                      |   |
|   |                                      |   |
|   |                                      |   |
|   |                                      |   |
|   |                                      |   |
|   |                                      |   |

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|   | LENDER:                                     |
|--------|---------------------------------------------|
|   |                                        |
|   | LEGG      MASON REAL ESTATE SERVICES, INC., |
|   | a      Pennsylvania corporation             |
|   |                                        |   |
|   |                                        |   |
|   | By:                                         | /s/      Judith M. Shewbridge |
|   | Name:                                       | Judith      M. Shewbridge, |
|   | Title:                                      | Assistant      Vice President |
|   |                                        |   |
|   |                                        |   |
|   |                                        |   |
|   |                                        |   |
|   |                                        |   |
|   |                                        |   |

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| TABLE      OF CONTENTS                                                                                            |
|-------------------------------------------------------------------------------------------------------------------|
|                                                                                                              |
| Article      1       DEFINITIONS AND RULES OF      CONSTRUCTION                |   |
| Section 1.01                                                                                                      | Definitions |   |
| Section 1.02                                                                                                      | Resolution of Drafting      Ambiguities |   |
| Article      2       THE NOTE                                                  |   |
| Section 2.01                                                                                                      | Form of Note |   |
| Section 2.02                                                                                                      | Payment ofDebt |   |
| Section 2.03                                                                                                      | [Intentionally      Omitted] |   |
| Section 2.04                                                                                                      | Prepayment of the      Note |   |
| Section 2.05                                                                                                      | Defeasance of the      Note |   |
| Section 2.06                                                                                                      | Default Interest and Late      Charge |   |
| Article      3       OBLIGATIONS      SECURED/SECURITY/APPLICATION OF PAYMENTS |   |
| Section 3.01                                                                                                      | Obligations      Secured |   |
| Section 3.02                                                                                                      | Other Security for Payment of      the Note |   |
| Section 3.03                                                                                                      | Application of      Payments |   |
| Article      4       COVENANTS                                                 |   |
| Section 4.01                                                                                                      | Insurance |   |
| Section 4.02                                                                                                      | Payment of Taxes and      Impositions, etc |   |
| Section 4.03                                                                                                      | Escrow Fund |   |
| Section 4.04                                                                                                      | Changes in the Legal      Requirements Regarding |   |
| Taxation                                                                                                          |   |
| Section 4.05                                                                                                      | No Credits on Account of the      Debt |   |
| Section 4.06                                                                                                      | Documentary    Stamps |   |
| Section 4.07                                                                                                      | Maintenance of Mortgaged      Property |   |
| Section 4.08                                                                                                      | Books and    Records |   |
| Section 4.09                                                                                                      | Performance of Other      Agreements |   |
| Section 4.10                                                                                                      | ERISA |   |
| Section 4.11                                                                                                      | Hazardous      Substances |   |
| Article      5       TRANSFER                                                  |   |
| Section 5.01                                                                                                      | Transfer    Generally |   |
| Section 5.02                                                                                                      | Permitted Transfer of      Beneficial Interest |   |
| Section 5.03                                                                                                      | Permitted Transfer of Mortgaged      Property |   |
| Section 5.04                                                                                                      | No Impairment |   |
| Section 5.05                                                                                                      | Lender Consent |   |
| Section 5.06                                                                                                      | Cost ofTransfer |   |
| Section 5.07                                                                                                      | No Release of      Liability |   |
| Article      6       SINGLE PURPOSE      ENTITY                                |   |
| Section 6.01                                                                                                      | Separateness Representations      and Covenants |   |
| Article      7       REPRESENTATIONS AND      WARRANTIES                       |   |
| Section 7.01                                                                                                      | Organization |   |
| Section 7.02                                                                                                      | Authority |   |
| Section 7.03                                                                                                      | Consents |   |
| Section 7.04                                                                                                      | No Litigation |   |
| Section 7.05                                                                                                      | Agreements |   |
| Section 7.06                                                                                                      | Enforceability |   |
| Section 7.07                                                                                                      | Disclosure |   |
| Section 7.08                                                                                                      | No Default |   |
| Section 7.09                                                                                                      | Condemnation |   |
| Section 7.10                                                                                                      | Federal Reserve      Regulations |   |
| Section 7.11                                                                                                      | Utilities and Public      Access |   |
| Section 7.12                                                                                                      | Not Foreign    Person |   |
| Section 7.13                                                                                                      | IndentureLiens |   |
| Section 7.14                                                                                                      | Assignment of      Leases |   |
| Section 7.15                                                                                                      | No Adverse    Change |   |
| Section 7.16                                                                                                      | Lease and Management      Agreements |   |

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| Section 7.17                                                                                               | Condition,      Compliance                         |   |
|------------------------------------------------------------------------------------------------------------|----------------------------------------------------|--------|
| Section 7.18                                                                                               | Related Party      Loans                           |   |
| Section 7.19                                                                                               | Service    Contract                                |   |
| Section 7.20                                                                                               | No Insolvency or      Judgment                     |   |
| Section 7.21                                                                                               | Separateness                                       |   |
| Section 7.22                                                                                               | Subleases                                          |   |
| Section 7.23                                                                                               | Taxes                                              |   |
| Section 7.24                                                                                               | No Broker                                          |   |
| Section 7.25                                                                                               | Investment Company      Act                        |   |
| Section 7.26                                                                                               | Compliance with ERISA and      State Statutes on   |   |
|                                                                                                       | Governmental    Plans                              |   |
| Section 7.27                                                                                               | Hazardous      Substances                          |   |
| Article      8       CASUALITY AND      CONDEMNATION                    |                                               |
| Section 8.01                                                                                               | Notice;    Settlement                              |   |
| Section 8.02                                                                                               | Restoration                                        |   |
| Section 8.03                                                                                               | Claims for Net      Award                          |   |
| Article      9       EVENTS OF      DEFAULT/REMEDIES                    |                                               |
| Section 9.01                                                                                               | Events of    Default                               |   |
| Section 9.02                                                                                               | Remedies    Generally                              |   |
| Section 9.03                                                                                               | Right to Cure      Defaults                        |   |
| Section 9.04                                                                                               | Prepayment After Event of      Default             |   |
| Section 9.05                                                                                               | Right of Entry                                     |   |
| Section 9.06                                                                                               | Remedies under Security      Documents             |   |
| Section 9.07                                                                                               | Actions and      Proceedings                       |   |
| Section 9.08                                                                                               | Waiver of      Counterclaim                        |   |
| Section 9.09                                                                                               | Recovery of Sums Required to      Be Paid          |   |
| Article      10     LEASE/LEASE TERMINATION                                       |                                               |
| Section 10.01                                                                                              | The Lease, Management      Agreements, Multi-Party |   |
|                                                                                                       | Agreement and Other      Leases                    |   |
| Section 10.02                                                                                              | Permitted Lease Termination      Events            |   |
| Article      11     INDEMNIFICATION                                               |                                               |
| Section 11.01                                                                                              | General      Indemnification                       |   |
| Section 11.02                                                                                              | Tax      Indemnification                           |   |
| Article      12             MISCELLANEOUS |                                               |
| Section 12.01                                                                                              | Waiver of    Notice                                |   |
| Section 12.02                                                                                              | Remedies of      Borrower                          |   |
| Section 12.03                                                                                              | Sole Discretion of      Lender                     |   |
| Section 12.04                                                                                              | Non-Waiver                                         |   |
| Section 12.05                                                                                              | No Oral Change                                     |   |
| Section 12.06                                                                                              | Liability/Successor and      Assigns               |   |
| Section 12.07                                                                                              | Unenforceable      Provisions                      |   |
| Section 12.08                                                                                              | Servicer                                           |   |
| Section 12.09                                                                                              | Duplicate      Originals                           |   |
| Section 12.10                                                                                              | Assignments                                        |   |
| Section 12.11                                                                                              | Risk of Loss,    etc.                              |   |
| Section 12.12                                                                                              | Cooperation                                        |   |
| Section 12.13                                                                                              | Recourse      Provisions                           |   |
| Section 12.14                                                                                              | Governing Law; Submission to      Jurisdiction     |   |
| Section 12.15                                                                                              | Waiver of Jury      Trial                          |   |
| Section 12.16                                                                                              | Consent Specific/No Deemed      Waiver             |   |
| Section 12.17                                                                                              | No Forfeiture                                      |   |
| Section 12.18                                                                                              | Notices                                            |   |
| Section 12.19                                                                                              | Estoppel      Certificates                         |   |
| Section 12.20                                                                                              | Usury Laws                                         |   |
| Section 12.21                                                                                              | Approval of RVI      Insurer                       |   |

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| APPENDIX      A – Definitions and Rules of Construction |                                                         |
|---------------------------------------------------------------|--------------------------------------------------------------|
|                                                          |                                                         |   |
| EXHIBITS                                                      |                                                         |
|                                                          |                                                         |
| A                                                             | Form of Note                                                 |   |
| B                                                             | Other    Properties                                          |   |
| C                                                             | Beneficial Owner Instrument of      Accession and Assumption |   |
| D                                                             | Certificate of Compliance and      Release                   |   |
| E                                                             | Instrument of Accession and      Assumption                  |   |
| F                                                             | Certificate of Compliance and      Release                   |   |

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| (a)   |         Assignment      of Aetna Lease and MCI Lease. |
|-----------------|-----------------------------------------------------------------------------------------------|

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|   | (i) | all      payments to Borrower by Tenant pursuant to any indemnity under the Lease      which by the terms thereof are payable to Borrower or its successors,      permitted assigns, employees, officers, directors, shareholders, members,      servants, agents and affiliatesthereof; |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (ii) | any      insurance proceeds to the extent payable under general public liability      policies maintained by Tenant pursuant to paragraph 13 of the Lease,      which, by the terms of such policies, are solely for the benefit of and      payable directly to Borrower or its successors, permitted assigns,      employees, officers, directors, shareholders, members, servants, agents      and affiliates thereof, in each such case for their own respective      accounts; |
|--------|------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (iii) | so      long as no Event of Default exists, Borrower's right, in addition to      Lender's right, (A) to receive from Tenant, Manager, Lease Guarantor,      Management Agreement Guarantor and Multi-Party Agreement Guarantor      certificates and other documents and information that Tenant, Manager,      Lease Guarantor, Management Agreement Guarantor and Multi-Party Agreement      Guarantor are required to give or furnish to Borrower pursuant to the      Lease, the Lease Guaranty, the Management Agreements, the Guaranty of      Management Agreements, the Multi-Party Agreement or the Guaranty of      Multi-Party Agreement (B) to inspect the Mortgaged Property and all      records relating thereto, and (c) to undertake repairs and maintenance of      the Mortgaged Property; |
|--------|-------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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|   | (iv) | so      long as no Event of Default exists, Borrower's right to send Notices of      default by Tenant or Manager to pay (A) any amount due under clauses (i)      and (ii) hereof, and (B) any other amount, other than Basic Rent, due      under the Lease or the Management Agreements to be paid to a third party      such as Taxes and Impositions, Insurance Premiums, utility charges and      similar payments (any payments due under clauses (i) and (ii) and this      clause (iv) are called collectively, the "EXCEPTED    PAYMENTS"); |
|--------|------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (v) | so      long as no Event of Default exists, Borrower's right to (A) sue for      damages resulting from any failure by Tenant or Lease Guarantor to pay any      Excepted Payments, and (B) enforce performance or observance by (i) Tenant      under the Lease, (ii) Lease Guarantor under the Lease Guaranty, (iii)      Manager under the Management Agreements, (iv) Management Agreement      Guarantor under the Guaranty of Management Agreements, (v) Tenant, the      Aetna SPE or the MCI SPE under the Multi-Party Agreement, or (vi)      Multi-Party Agreement Guarantor under the Guaranty of Multi-Party      Agreement of the applicable covenants and terms of the Lease, the Lease      Guaranty, the Management Agreements, the Guaranty of Management      Agreements, the Multi-Party Agreement or the Guaranty of Multi-Party      Agreement, as allowed by law, equity; provided, however, Borrower may not      (x) accelerate the payment of Rent, or (y) give any Notice, sue or take      any other action relating to Tenant's or Manager's failure to pay such      Excepted Payment that might have the effect of terminating the Lease      and/or the Management Agreement, dispossessing Tenant, declaring the Lease      or Management Agreement forfeited, terminating or reducing any obligations      of Tenant, Lease Guarantor, Manager, Management Agreement Guarantor,      Multi-Party Agreement Guarantor, the Aetna SPE or the MCI SPE under the      Lease, the Lease Guaranty, the Management Agreements, the Guaranty of      Management Agreements, the Multi-Party Agreement, the Guaranty of      Multi-Party Agreement or pursuing any comparable remedy without in each      instance Lender's prior written approval which Lender may grant or      withhold in its sole discretion;and |
|--------|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (vi) | so      long as no Event of Default exists where Lender's approval or consent is      not required by the terms of the Lease or the Management Agreements,      Borrower may (A) determine Tenant's compliance with the provisions of the      Lease and the Manager's compliance with the Management Agreements, and (B)      provide any approval, consent or waiver under or pursuant to the Lease and      the Management Agreements; provided, however, if the Lease or the      Management Agreements give a concurrent right to Lender to determine      compliance or to grant any approval, consent or waiver, then Lender's      determination or Lender's approval, consent or waiver shall be final,      regardless of Borrower's determination, approval, consent or waiver, and;      provided, further, in the instance of (A) and (B) Borrower may not make      any determination or provide any approval, consent or waiver      or take any other action under or pursuant to the Lease or the Management      Agreements that might adversely affect (i) Borrower's rights under the      Lease, (ii) the Lease Guarantor's rights under the Lease Guaranty, (iii)      Manager's rights under the Management Agreements, (iv) Management      Agreement Guarantor's rights under the Guaranty of Management Agreements,      (v) Tenant's, the Aetna SPE's or the MCI SPE's rights under the      Multi-Party Agreement, (vi) Multi-Party Agreement Guarantor's rights under      the Guaranty of Multi-Party Agreement, (vii) the value of the Mortgaged      Property, or (viii) Lender's rights under the Loan      Documents. |
|--------|------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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|   | (i) | calculating      the yield for a hypothetical U.S. Treasury security having a maturity      equal to the Remaining Average Life of such Prepayment Amount as of such      Settlement Date by interpolating linearly between (1) the "on the run"      current U.S. Treasury security with the maturity closest to and greater      than the Remaining Average Life and (2) the "on the run" current U.S.      Treasury security with the maturity closest to and less than the Remaining      Average Life, both as reported by Bloomberg Financial Markets as of 10:00      A.M. (New York City time) on the second Business Day preceding the      Settlement Date with respect to such Prepayment Amount;  OR, |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (ii) | if such yields are      not reported as of such time or the yields reported as of such time are      not ascertainable (including by way of interpolation), the Treasury      Constant Maturity Series Yields reported, for the latest day for which      such yields have been so reported as of the second Business Day preceding      the Settlement Date with respect to such PrePayment Amount, in Federal      Reserve Statistical Release H.15 (159) (or any comparable successur      publication for actively traded U.S. Treasury securities having a constant      maturity equal to the Remaining Average Life of such Prepayment Amount as      of such Settlement Date.  Such implied yield will be determined, if      necessary, by (a) converting U.S. Treasury bill quotations to      bond-equivalent yields in accordance with accepted financial practice and      (b) interpolating linearly between (1) the on the run U.S. Treasury      security with the maturity closest to and greater than the Remaining      Average Life and (2) the on the run U.S. Treasury security with the      maturity closest to and less than the Remaining Average  Life. |
|--------|------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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