Boston Properties Completes the Acquisition of the John Hancock Tower in Boston, MA

December 29, 2010

BOSTON, Dec 29, 2010 (BUSINESS WIRE) --Boston Properties, Inc. (NYSE: BXP), a real estate investment trust, announced that it has completed the acquisition of the John Hancock Tower and Garage in Boston, MA for an aggregate purchase price of approximately $930.0 million. The seller is a joint venture between an affiliate of Normandy Real Estate Partners and an affiliate of Five Mile Capital Partners.

The purchase price consisted of approximately $289.5 million of cash and the assumption of approximately $640.5 million of indebtedness. The assumed debt is a securitized senior mortgage loan that bears interest at a fixed rate of 5.68% per annum and matures in January 2017. Boston Properties expects to incur an aggregate of approximately $3 million of acquisition-related costs, of which approximately $1 million will be expensed in the fourth quarter 2010.

The John Hancock Tower is an iconic 62-story, approximately 1,700,000 rentable square foot office tower located in the heart of Boston's Back Bay neighborhood. The garage is an eight-level, 2,013 space parking facility. As New England's tallest building, the John Hancock Tower features a 360-degree panoramic view of the Back Bay, Charles River, Cambridge, the Public Gardens, Boston Harbor and the Financial District.

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 prime Class A office space, one hotel, two residential properties and three retail properties. 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, DC, San Francisco and Princeton, NJ.

This press release contains forward-looking statements within the meaning of the Federal securities laws.You can identify these statements by our use of the words "assumes," "believes," "estimates," "expects," "guidance," "intends," "plans," "projects" and similar expressions that do not relate to historical matters.You should exercise caution in interpreting and relying on forward-looking statements because they involve known and unknown risks, uncertainties and other factors which are, in some cases, beyond Boston Properties' control and could materially affect actual results, performance or achievements.These factors include, without limitation, the ability to enter into new leases or renew leases on favorable terms, dependence on tenants' financial condition, the uncertainties of real estate development, acquisition and disposition activity, the ability to effectively integrate acquisitions, the costs and availability of financing, the effectiveness of our interest rate hedging contracts, the ability of our joint venture partners to satisfy their obligations, the effects of local economic and market conditions, the effects of acquisitions, dispositions and possible impairment charges on our operating results, the impact of newly adopted accounting principles on the Company's accounting policies and on period-to-period comparisons of financial results, regulatory changes and other risks and uncertainties detailed from time to time in the Company's filings with the Securities and Exchange Commission.Boston Properties does not undertake a duty to update or revise any forward-looking statement, whether as a result of new information, future events or otherwise.

SOURCE: Boston Properties, Inc.

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