10,000,000 Shares COMMONWEALTH REIT (a Maryland real estate investment trust) Common Shares of Beneficial Interest par value $.01 per share PURCHASE AGREEMENTPurchase Agreement • July 13th, 2011 • CommonWealth REIT • Real estate investment trusts • Maryland
Contract Type FiledJuly 13th, 2011 Company Industry JurisdictionThis letter shall terminate and be of no further force and effect unless the Purchase Agreement has been entered into and dated not later than July13, 2011.