NEWTON, Mass.--(BUSINESS WIRE)--May 23, 2006--HRPT Properties Trust (NYSE: HRP) today announced the election of William A. Lamkin and Adam D. Portnoy as new trustees at the annual meeting of the Company's shareholders.

Mr. Lamkin (age 46) will serve as one of HRPT's Independent Trustees. Mr. Portnoy (age 35), who formerly served as Executive Vice President of HRPT, will become a Managing Trustee and will continue to be actively involved in the Company's day to day operations.

All other matters presented for consideration at HRPT's annual shareholders meeting earlier today were overwhelmingly approved by shareholders, including a charter amendment to raise the percentage of HRPT's shares which may be owned by one shareholder (or an affiliated group of shareholders) from 8.5% to 9.8% and an amendment to permit the Board of Trustees to change the Company's name without further action by shareholders.

HRPT Properties Trust is a real estate investment trust, or REIT, which primarily owns office buildings located throughout the United States, as well as industrial lands located in Oahu, Hawaii. HRPT is headquartered in Newton, Massachusetts.

A Maryland Real Estate Trust with transferable shares of beneficial interest listed on the New York Stock Exchange.

No shareholder, Trustee or officer is personally liable for any act or obligation of the Trust.

    CONTACT: HRPT Properties Trust
             Timothy A. Bonang, 617-796-8149
             Manager of Investor Relations
             www.hrpreit.com

    SOURCE: HRPT Properties Trust