News Release Details

BOSTON, Sept. 19 /PRNewswire-FirstCall/ -- Boston Properties, Inc. (NYSE: BXP), a real estate investment trust, announced today that its Board of Directors declared a regular quarterly dividend of $0.68 per share of common stock for the period July 1, 2005 to September 30, 2005, payable on October 31, 2005 to shareholders of record as of the close of business on September 30, 2005.

This dividend is in addition to the previously announced special cash dividend of $2.50 per common share that is also payable on October 31, 2005 to shareholders of record as of the close of business on September 30, 2005. Accordingly, on October 31, 2005 the Company will pay an aggregate of $3.18 per common share to shareholders of record as of the close of business on September 30, 2005. The holders of common units of limited partnership interest in the Company's Operating Partnership will receive the same amount, while holders of Series Two Preferred Units will participate on an as-converted basis at the time and on the terms provided in the Operating Partnership's partnership agreement.

Boston Properties is a fully integrated, self-administered, and self-managed real estate investment trust that develops, redevelops, acquires, manages, operates, and owns a property portfolio primarily comprised of Class-A office space and also includes three hotels and one industrial building. 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.

For more information about Boston Properties, please visit the Company's web site at www.bostonproperties.com

CONTACT
AT THE COMPANY
Michael Walsh
Senior Vice President, Finance
+1-617-236-3300

CONTACT
AT FINANCIAL RELATIONS BOARD
Marilynn Meek
General Info.
+1-212-827-3773