Brandywine Realty Trust Announces New 10:00 a.m. Time for Its November 1, 2007 Third Quarter Conference Call

Market Wire, October, 2007

Brandywine Realty Trust (NYSE: BDN) announced today that it has moved up the time of its third quarter conference call to 10:00 a.m. Eastern Time on Thursday, November 1, 2007 due to earnings call conflicts with other companies. The conference call can be accessed by dialing 1-800-683-1525 and providing conference ID #9240729. Beginning two hours after the conference call, a taped replay of the call can be accessed through Thursday, November 15, 2007, by calling 1-877-519-4471 and entering access code 9240729. The release of its third quarter earnings is unchanged and will take place after the market close on Wednesday, October 31, 2007.

About Brandywine Realty Trust

Brandywine Realty Trust is one of the largest, publicly traded, full-service, integrated real estate companies in the United States. Organized as a real estate investment trust and operating in select markets, Brandywine owns, develops and manages a primarily Class A, suburban and urban office portfolio aggregating approximately 44.1 million square feet, including 30.6 million square feet which it currently owns on a consolidated basis. For more information, visit our website at www.brandywinerealty.com .

Forward-Looking Statements

Certain statements in this release constitute forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements involve known and unknown risks, uncertainties and other factors that may cause the actual results, performance, achievements or transactions of the Company and its affiliates or industry results to be materially different from any future results, performance, achievements or transactions expressed or implied by such forward-looking statements. Such risks, uncertainties and other factors relate to, among others, the Company's ability to lease vacant space and to renew or relet space under expiring leases at expected levels, the potential loss of major tenants, interest rate levels, the availability and terms of debt and equity financing, competition with other real estate companies for tenants and acquisitions, risks of real estate acquisitions, dispositions and developments, including cost overruns and construction delays, unanticipated operating costs and the effects of general and local economic and real estate conditions. Additional information or factors which could impact the Company and the forward-looking statements contained herein are included in the Company's filings with the Securities and Exchange Commission. The Company assumes no obligation to update or supplement forward-looking statements that become untrue because of subsequent events.

Investor/Press Contact: Marge Boccuti Manager, Investor Relations Brandywine Realty Trust 610-832-7702 marge.boccuti@bdnreit.com Company Contact: Howard M. Sipzner EVP & CFO Brandywine Realty Trust 610-832-4907 howard.sipzner@bdnreit.com