Boston Properties Appoints Senior Vice President And Manager Of Boston Regional Office

December 1, 1999

BOSTON, MA, December 1, 1999– Boston Properties, Inc. (NYSE:BXP), a real estate investment trust, announced today that Bryan J. Koop has joined the Company as Senior Vice President and Regional Manager of the Boston office.

In this position, Mr. Koop, 41, will be responsible for overseeing the operation of the Company's existing assets, development activities, and the effort to identify, seize and capitalize on new business opportunities.

Mr. Koop comes to Boston Properties from the Trammell Crow Company where he has worked since 1981. Since 1995, he has been the Managing Director and City Leader of their New England commercial and retail real estate division located in Cambridge, Massachusetts. Prior to 1995, he held other management positions in the commercial and retail development and leasing areas within the Trammell Crow organization in Washington, DC and Dallas and Houston, Texas.

Edward H. Linde, President and CEO of Boston Properties, stated, “ We are extremely pleased that Bryan Koop will add his extensive experience and management skills to the talented team of real estate professionals in our Boston office. This organizational change will enable David Barrett, whom Bryan succeeds as Regional Manager, to devote his full time and attention to project development, which plays such a major role in Boston Properties' activities.”

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 the Northeast Corridor from Virginia to Greater Boston and in Greater San Francisco.

To receive Boston Properties' latest news and corporate developments via fax at no cost, please call 1-800-PRO-INFO; use company code BXP. Visit the Company's web site at www.bostonproperties.com. Also see www.frbinc.com.