Boston Properties to Release Fourth Quarter 2004 Financial Results on January 25, 2005

January 4, 2005

BOSTON, Jan. 4 /PRNewswire-FirstCall/ - Boston Properties, Inc. (NYSE: BXP), a real estate investment trust, announced today that it will release financial results for the Fourth Quarter 2004 on Tuesday, January 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, January 26, 2005 to discuss the financial results of the Fourth Quarter and provide a Company update.

The conference call can be accessed by dialing 800-240-2430 (Domestic) or 303-275-2170 (International); no passcode is required. The replay will be available through February 2, 2005 by dialing 800-405-2236 (Domestic) or 303- 590-3000 (International) / passcode 11020358. The Company will audio web cast the call which may be accessed through for individual investors or through the password-protected event management site,, for institutional investors. A link to the audio web cast will also be available on the Company's own site at in the Investors section. A replay of the audio web cast will be archived in the Investors section of the Company's web site under the heading Audio Archive.

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, industrial and hotel properties. The Company is one of the largest owners and developers of Class-A office properties in the United States, concentrated in four core markets - Boston, Midtown Manhattan, Washington, D.C. and San Francisco.

Visit the Company's web site at

SOURCE Boston Properties, Inc.
CONTACT: Kathleen DiChiara, Boston Properties, Inc., Investor Relations,
+1-617-236-3300; General Information: Marilynn Meek, +1-212-827-3773, Media:
Timothy Grace, +1-312-640-6667, both of Financial Relations Board for Boston
Properties, Inc.
Web site: