HRPT Properties Trust Second Quarter Conference Call Scheduled for Tuesday, August 5th

HRP plans to issue a press release containing its second quarter results before the NYSE opens on Tuesday, August 5, 2008. Later that afternoon at 1:00 p.m. Eastern Time, Adam Portnoy, Managing Trustee, and John Popeo, Chief Financial Officer, will host a conference call to discuss the second quarter results. Following the company's remarks, there will be a short question and answer period.

The conference call telephone number is (888) 256-0990. Participants calling from outside the United States and Canada should dial (913) 312-0840. No pass code is necessary to access the call from either number. Participants should dial in about 15 minutes prior to the scheduled start of the call. A replay of the conference call will be available through 4:00 p.m. Eastern Time on Tuesday, August 12th. To hear the replay, dial (719) 457-0820. The replay pass code is 4989931.

A live audio webcast of the conference call will also be available in a listen-only mode on the company's web site, which is located at www.hrpreit.com. Participants wanting to access the webcast should visit the company's web site about five minutes before the call. The archived webcast will be available for replay on the company's web site for about one week after the call.

HRPT Properties Trust is a real estate investment trust, or REIT, which primarily owns office buildings located throughout the United States, and it is the largest owner of industrial lands in the state of Hawaii. HRP is headquartered in Newton, Massachusetts. A Maryland Real Estate Investment 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.

SOURCE: HRPT Properties Trust

HRPT Properties Trust Timothy A. Bonang, 617-796-8222 Director of Investor Relations or Katherine L. Johnston, 617-796-8222 Manager of Investor Relations www.hrpreit.com