Boston Properties Declares Increase in Quarterly Dividend

May 11, 2005

BOSTON, May 11 /PRNewswire-FirstCall/ -- Boston Properties, Inc. (NYSE: BXP), a real estate investment trust, announced today that its Board of Directors declared a dividend of $0.68 per share of common stock for the period April 1, 2005 to June 30, 2005, payable on July 29, 2005 to shareholders of record as of the close of business on June 30, 2005. This represents an increase of 4.6% over last quarter's dividend of $0.65 per share.

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 http://www.bostonproperties.com

CONTACT:
Investor Relations - Kathleen DiChiara
+1-617-236-3300

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