Document:

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                              AMENDED AND RESTATED
                                    AGREEMENT

     THIS AGREEMENT is entered into as of the 8th day of December, 2000 by and
between George Sowa ("Executive") and Brandywine Realty Trust (the "Company")
and amends and restates in its entirety the Agreement dated as of May 12, 1999
(the "Prior Agreement") between Executive and the Company.

     WHEREAS, Executive is currently employed by the Company and/or a Subsidiary
(as defined below) of the Company;

     WHEREAS, in order to encourage Executive to remain an employee of the
Company and/or a Subsidiary, the Company is entering into this Agreement with
Executive.

     NOW, THEREFORE, the parties hereto, intending to be legally bound, hereby
agree as follows:

     1. Payment Obligation. The Company agrees that if (i) a Change of Control
(as defined below) of the Company occurs at a time when Executive is then an
employee of the Company and/or a Subsidiary of the Company and (ii) within one
year of the occurrence of the Change of Control either (a) the Company or the
purchaser or successor thereto (the "Purchaser") terminates the employment of
Executive other than for Cause (as defined below) or (b) Executive resigns for
Good Reason (as defined below), then the Company or Purchaser will be obligated
to (i) continue to pay to Executive an amount equal to his base salary as in
effect at the time of the Change of Control for a period expiring 547 days after
the effective date of Executive's termination of employment and (ii) during the
period referenced in the preceding clause (i), pay to Executive, in equal
monthly installments, an amount equal to his bonus, if any, for the year
preceding the termination or resignation.

     2. No Right to Employment. This Agreement shall not confer upon Executive
any right to remain an employee of the Company or a Subsidiary of the Company,
and shall only entitle Executive to the salary continuation payments in the
limited circumstances set forth in Paragraph 1 above.

     3. Certain Definitions. As used herein: (i) the terms "Change of Control"
and "Subsidiary" shall have the respective meanings assigned to them in the
Company's 1997 Long-Term Incentive Plan, as amended (the "Plan"), (ii) the term
"Cause" shall have the meaning assigned to it in the Plan (except that
references in such Plan definition to "Company" shall be interpreted to mean the
Company or Purchaser, as applicable) and (iii) the term "Good Reason" shall mean
any of (a) a reduction in Executive's base salary as in effect at the time of
the Change of Control, (b) a significant adverse alteration in the nature or
status of Executive's responsibilities from those in effect at the time of the
Change of Control or (c) relocation of the place where Executive performs his
day-to-day responsibilities at the time of the Change of Control by more than 30
miles.

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     4. Tax Witholding, etc. All compensation payable under this Agreement shall
be subject to customary withholding taxes and other employment taxes as required
with respect to compensation paid by an employer to an employee and the amount
of compensation payable hereunder shall be reduced appropriately to reflect the
amount of any required withholding. The Company shall have no obligation to make
any payments to the Executive or make the Executive whole for the amount of any
required taxes.

     5. Miscellaneous.

          1. Controlling Law. This Agreement, and all questions relating to its
     validity, interpretation, performance and enforcement, shall be governed by
     and construed in accordance with the laws of the Commonwealth of
     Pennsylvania.

          2. Entire Agreement. This Agreement contains the entire understanding
     among the parties hereto with respect to the subject matter hereof and
     supersedes all prior agreements and understandings, inducements or
     conditions, express or implied, oral or written, except as herein
     contained. This Agreement may not be modified or amended other than by an
     agreement in writing.

          3. Liability of Trustees, etc. No recourse shall be had for any
     obligation of the Company hereunder, or for any claim based thereon or
     otherwise in respect thereof, against any past, present or future trustee,
     shareholder, officer or employee of the Company, whether by virtue of any
     statute or rule of law, or by the enforcement of any assessment or penalty
     or otherwise, all such liability being expressly waived and released by
     Executive.

          4. Prior Agreement. The Prior Agreement is hereby amended and restated
     in its entirety.

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement as of
the day and year first above written.

                                       BRANDYWINE REALTY TRUST

                                       By: /s/ Gerard H. Sweeney
                                           -------------------------------------
                                           President and Chief Executive Officer

                                          /s/ George Sowa
                                          --------------------------------------
                                          George Sowa

                                      -2-<PAGE>
                                    AGREEMENT

                  THIS AGREEMENT is entered into as of the 21st day of March
2001 by and between Bradley W. Harris ("Executive") and Brandywine Realty Trust
(the "Company").

                  WHEREAS, Executive is currently employed by the Company and/or
a Subsidiary (as defined below) of the Company;

                  WHEREAS, in order to encourage Executive to remain an employee
of the Company and/or a Subsidiary, the Company is entering into this Agreement
with Executive.

                  NOW, THEREFORE, the parties hereto, intending to be legally
bound, hereby agree as follows:

                  1. Payment Obligation. The Company agrees that if (i) a Change
of Control (as defined below) of the Company occurs at a time when Executive is
then an employee of the Company and/or a Subsidiary of the Company and (ii)
within one year of the occurrence of the Change of Control either (a) the
Company or the purchaser or successor thereto (the "Purchaser") terminates the
employment of Executive other than for Cause (as defined below) or (b) Executive
resigns for Good Reason (as defined below), then the Company or Purchaser will
be obligated to (i) continue to pay to Executive an amount equal to his base
salary as in effect at the time of the Change of Control for a period expiring
365 days after the effective date of Executive's termination of employment and
(ii) during the period referenced in the preceding clause (i), pay to Executive,
in equal monthly installments, an amount equal to his bonus, if any, for the
year preceding the termination or resignation.

                  2. No Right to Employment. This Agreement shall not confer
upon Executive any right to remain an employee of the Company or a Subsidiary of
the Company, and shall only entitle Executive to the salary continuation
payments in the limited circumstances set forth in Paragraph 1 above.

                  3. Certain Definitions. As used herein: (i) the terms "Change
of Control" and "Subsidiary" shall have the respective meanings assigned to them
in the Company's 1997 Long-Term Incentive Plan, as amended (the "Plan"), (ii)
the term "Cause" shall have the meaning assigned to it in the Plan (except that
references in such Plan definition to "Company" shall be interpreted to mean the
Company or Purchaser, as applicable) and (iii) the term "Good Reason" shall mean
any of (a) a reduction in Executive's base salary as in effect at the time of
the Change of Control, (b) a significant adverse alteration in the nature or
status of Executive's responsibilities from those in effect at the time of the
Change of Control or (c) relocation of the place where Executive performs his
day-to-day responsibilities at the time of the Change of Control by more than 30
miles.

<PAGE>

                  4. Tax Witholding, etc. All compensation payable under this
Agreement shall be subject to customary withholding taxes and other employment
taxes as required with respect to compensation paid by an employer to an
employee and the amount of compensation payable hereunder shall be reduced
appropriately to reflect the amount of any required withholding. The Company
shall have no obligation to make any payments to the Executive or make the
Executive whole for the amount of any required taxes.

                  5. Miscellaneous.

                     1. Controlling Law. This Agreement, and all questions
relating to its validity, interpretation, performance and enforcement, shall be
governed by and construed in accordance with the laws of the Commonwealth of
Pennsylvania.

                     2. Entire Agreement. This Agreement contains the entire
understanding among the parties hereto with respect to the subject matter hereof
and supersedes all prior agreements and understandings, inducements or
conditions, express or implied, oral or written, except as herein contained.
This Agreement may not be modified or amended other than by an agreement in
writing.

                     3. Liability of Trustees, etc. No recourse shall be had for
any obligation of the Company hereunder, or for any claim based thereon or
otherwise in respect thereof, against any past, present or future trustee,
shareholder, officer or employee of the Company, whether by virtue of any
statute or rule of law, or by the enforcement of any assessment or penalty or
otherwise, all such liability being expressly waived and released by Executive.

                  IN WITNESS WHEREOF, the parties hereto have executed this
Agreement as of the day and year first above written.

                                      BRANDYWINE REALTY TRUST

                                      By:
                                         -------------------------------------
                                         President and Chief Executive Officer

                                      __________________________
                                      Bradley W. Harris

                                      -2-

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