CommonWealth REIT (NYSE: CWH) today announced that it will host a conference call in conjunction with the announcement of its third quarter 2012 financial results. CWH plans to issue a press release containing its third quarter financial results before the NYSE opens on Wednesday, November 7, 2012. Later that afternoon, at 1:00 p.m. Eastern Time, Adam Portnoy, President and Managing Trustee, and John Popeo, Chief Financial Officer, will host a conference call to discuss the third quarter results. Following the company’s remarks, there will be a short question and answer period. The conference call telephone number is (800) 230-1074. Participants calling from outside the United States and Canada should dial (612) 234-9959. No pass code is necessary to access either call. 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 11:59 p.m. Eastern Time on Wednesday, November 14, 2012. To hear the replay, dial (320) 365-3844. The replay pass code is 260119. 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.cwhreit.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. CommonWealth REIT is a real estate investment trust, or REIT, which primarily owns office and industrial properties located throughout the United States. CWH is headquartered in Newton, MA. 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.