Boston Properties to Release Third Quarter 2009 Financial Results on October 27, 2009

BOSTON--(Business Wire)--
Boston Properties, Inc. (NYSE: BXP), a real estate investment trust, announced
today that it will release financial results for the Third Quarter 2009 on
Tuesday, October 27, 2009 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, October 28, 2009
to discuss the financial results of the Third 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 34803191. The replay will
be available through November 11, 2009 by dialing 800-642-1687 (Domestic) or
706-645-9291 (International) and entering the passcode 34803191. 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 properties and one hotel. 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.

Boston Properties, Inc.
Michael Walsh, 617-236-3410
Senior Vice President, Finance
or
Arista Joyner, 617-236-3343
Investor Relations Manager

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