CommonWealth REIT Reconfirms Intent to Pursue Stock, Debt Offering

CommonWealth REIT (NYSE: CWH) (“CommonWealth”) today announced that its Boardof Trustees has re-confirmed its prior determination that the best interestsof CommonWealth will be served by CommonWealth continuing the common shareoffering and debt tender offer previously announced on February 25, 2013. Thissecond confirmation is issued to respond to the latest information received byCommonWealth from Corvex Management LP (“Corvex”) and Related Fund Management,LLC (“Related”).The Board of Trustees' decision to re-confirm was made after considering theamended Schedule 13D that was jointly filed on February 27, 2013 by Corvex andRelated with the Securities and Exchange Commission, including the additional“open letter” from Corvex and Related and the form of complaint that werefiled as exhibits to that amendment, and the litigation that was subsequentlycommenced by Corvex and Related. Commonwealth has included the additional openletter from Corvex and Related and the form of complaint that Corvex andRelated filed as exhibits to their Schedule 13D amendment as exhibits to aForm 8-K CommonWealth filed earlier today.The Corvex and Related documents mentioned above are not the Company'sdocuments and the Company does not endorse or confirm, and is not responsiblefor, their content. Reference to these Corvex and Related documents isintended only to provide context to today's announcement.This press release is neither an offer to sell nor a solicitation of an offerto buy CommonWealth common shares, nor shall there by any sale of thesesecurities in any state or jurisdiction in which the offer, solicitation orsale would be unlawful prior to registration or qualification under thesecurities laws of such state or jurisdiction. The preliminary prospectussupplement relating to this offering and related prospectus have been filedwith the Securities and Exchange Commission and copies can be obtained bycontacting the offices of Citigroup, c/o Broadridge Financial Solutions, 1155Long Island Avenue, Edgewood, NY 11717, telephone: (800) 831-9146; BofAMerrill Lynch, Attn: Prospectus Department, 222 Broadway, New York, NY 10038;email dg.prospectusrequests@baml.com; UBS Investment Bank, Attn. ProspectusDepartment, 299 Park Avenue, New York, NY 10171, telephone (888) 827-7275; orMorgan Stanley, Attn: Prospectus Department, 180 Varick Street, 2^nd floor,New York, NY 10014, telephone (866) 718-1649; email:prospectus@morganstanley.com.