10,000,000 Shares COMMONWEALTH REIT (a Maryland real estate investment trust) 7¼% Series E Cumulative Redeemable Preferred Shares (Liquidation Preference $25.00 Per Share) PURCHASE AGREEMENTPurchase Agreement • May 31st, 2011 • CommonWealth REIT • Real estate investment trusts • Maryland
CommonWealth REIT, a Maryland real estate investment trust (the “Company”), confirms its agreement with Merrill Lynch, Pierce, Fenner & Smith Incorporated (“Merrill Lynch”), Citigroup Global Markets Inc. (“Citi”), UBS Securities LLC (“UBS”) and Wells Fargo Securities, LLC (“Wells Fargo Securities”) and each of the other Underwriters named in Schedule A hereto (collectively, the “Underwriters” which term shall also include any underwriter substituted as hereinafter provided in Section 10 hereof), for whom Merrill Lynch, Citi, UBS and Wells Fargo Securities are acting as representatives (in such capacity, the “Representatives”), with respect to the issuance and sale by the Company and the purchase by the Underwriters, acting severally and not jointly, of the respective numbers of 7¼% Series E Cumulative Redeemable Preferred Shares (liquidation preference $25.00 per share), par value $.01 per share, of the Company (the “Series E Shares”) set forth in said Schedule A and with respect to th
