BRANDYWINE REALTY TRUST — Director's Dealing 2010

Jan 20, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: BRANDYWINE REALTY TRUST (BDN)
CIK: 0000790816
Period of Report: 2010-01-15

Reporting Person: Mainardi Gabriel J (Vice President-Treasurer)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Shares of Beneficial Interest	10779	Direct

Footnotes

F1: This Form 4 is being filed to solely and voluntarily report the acquisition of 1,160 common shares acquired under the Company's Dividend Reinvestment Plan (DRIP) and the Company's Employee Share Purchase Plan (ESPP). The shares were purchased following the Reporting Person's last Section 16 filing. The DRIP and the ESPP provide for the purchase of fractional shares. The number reported which is included in the final balance of shares owned is the nearest whole number. The details of these acquisitions are reflected in footnote 2 herein.

F2: The DRIP shares were executed at the following prices and amounts: 38.080528 shares acquired on April 17, 2009, at a transaction price of $4.7909 per share; 31.882569 shares acquired on July 17, 2009, at a transaction price of $7.2996 per share; and 27.630548 shares acquired on October 19, 2009, at a transaction price of $10.3429 per share. The ESPP shares were executed at the following prices and amounts: 464.804938 shares acquired on June 9, 2009, at a transaction price of $4.05 per share; 498.57265 shares acquired on September 2, 2009, at a transaction price of $7.02 per share; and 99.316686 shares acquired on December 7, 2009, at a transaction price of $8.81 per share.