X0306 4 2022-01-31 0 0000790816 BRANDYWINE REALTY TRUST BDN 0000944673 SWEENEY GERARD H 2929 ARCH STREET SUITE 1800 PHILADELPHIA PA 19104 1 1 0 0 President and CEO Common Shares of Beneficial Interest 2022-01-31 4 F 0 12217 12.86 D 1475799 D Reflects common shares withheld to satisfy payroll taxes due with respect to a scheduled distribution from the Company's deferred compensation plan. This filing also reports in the ending balance 3,682.47 additional common shares acquired under the Company's Dividend Reinvestment Plan (DRIP). Under the DRIP, 1,170.35 shares were acquired on July 21, 2021 at a transaction price of $14.40 per share, 1,242.75 shares were acquired on October 22, 2021 at a transaction price of $13.90 per share and 1,269.38 shares were acquired on January 21, 2022 at a transaction price of $13.95 per share. This filing also reports in the ending balance of shares owned, 2,114.36 additional common shares acquired under the Company's Employee Share Purchase Plan (ESPP). The ESPP shares were purchased following the Reporting Person's last Section 16 filing. Under the ESPP, 1,046.90 shares were acquired on September 8, 2021 at a transaction price of $11.94 per share and 1,067.46 shares were acquired on December 9, 2021 at a transaction price of $11.71 per share. The ESPP provides for the purchase of fractional shares. The numbers reported herein are rounded to the nearest whole number. /s/ Gerard H. Sweeney 2022-02-02