Boston Properties to Release Third Quarter 2005 Financial Results on October 25, 2005

September 28, 2005

BOSTON, Sept. 28 /PRNewswire-FirstCall/ -- Boston Properties, Inc. (NYSE: BXP), a real estate investment trust, announced today that it will release financial results for the third Quarter 2005 on Tuesday, October 25, 2005 after the close of the day's 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, October 26, 2005 to discuss the financial results of the Third Quarter and provide a Company update.

The conference call can be accessed by dialing 800-218-0204 (Domestic) or 303-262-2191 (International); no passcode is required. The replay will be available through November 2, 2005 by dialing 800-405-2236 (Domestic) or 303-590-3000 (International) / passcode 11040118. The Company will audio web cast the call which may be accessed through www.earnings.com for individual investors or through the password-protected event management site, www.streetevents.com, for institutional investors. A link to the audio web cast will also be available on the Company's own site at www.bostonproperties.com in the Investor Relations section. A replay of the audio web cast will be archived in the Investor Relations section of the Company's web site under the heading Events & Webcasts.

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 properties and also includes three hotels and one industrial property. 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, D.C., San Francisco and Princeton, N.J.

Visit the Company's web site at http://www.bostonproperties.com.

CONTACT:
Michael Walsh
Senior Vice President, Finance
Boston Properties, Inc.
+1-617-236-3410

General Info.
Marilynn Meek
Financial Relations Board
+1-212-827-3773