Boston Properties, Inc. to Release Fourth Quarter 2010 Financial Results on January 25, 2011

Boston Properties, Inc. (NYSE: BXP), a real estate investment trust, announced today that it will release financial results for the Fourth Quarter 2010 on Tuesday, January 25, 2011 after the close of trading on the New York Stock Exchange. The Company will host a conference call and audio web cast, both open to the general public, at 10:00 A.M. Eastern Time on Wednesday, January 26, 2011 to discuss the financial results of the Fourth Quarter and provide a Company update.

The conference call can be accessed by dialing 877-706-4503 (Domestic) or 281-913-8731 (International) and entering the passcode 34013524. The replay will be available through February 11, 2011 by dialing 800-642-1687 (Domestic) or 706-645-9291 (International) and entering the passcode 34013524. There will also be a live audio webcast of the call, which may be accessed on the Company’s website at www.bostonproperties.com in the Investor Relations section. Shortly after the call, a replay of the webcast will be available in the Investor Relations section of the Company’s website and archived for up to twelve months following the call.

Boston Properties is a fully integrated, self-administered and self-managed real estate investment trust that develops, redevelops, acquires, manages, operates and owns a diverse portfolio of Class A office space, one hotel, two residential properties and three retail properties. The Company is one of the largest owners and developers of Class A office properties in the United States, concentrated in five markets – Boston, Midtown Manhattan, Washington, DC, San Francisco and Princeton, NJ.