FIRST AMENDMENT OF LEASE

Exhibit 10.5

FIRST AMENDMENT OF LEASE

THIS FIRST AMENDMENT OF LEASE, is made and entered into as of May 17, 2005 by and among (i) each of the parties identified on the signature page hereof as landlord (collectively, “Landlord”), and (ii) FIVE STAR QUALITY CARE TRUST, a Maryland business trust, as tenant (“Tenant”).

W I T N E S S E T H:

WHEREAS, pursuant to the terms of that certain Second Amended and Restated Lease Agreement, dated as of November 19, 2004 (the “Amended Lease”), Landlord leases to Tenant and Tenant leases from Landlord certain premises at various locations, including those premises as more particularly described on Exhibit A attached hereto (the “Farmington Premises”); and

WHEREAS, Landlord and Tenant now wish to terminate the Amended Lease with respect to the Farmington Premises and to amend the Amended Lease, subject to and upon the terms and conditions hereinafter provided;

NOW, THEREFORE, in consideration of the mutual covenants herein contained and other good and valuable consideration, the mutual receipt and legal sufficiency of which are hereby acknowledged, Landlord and Tenant hereby agree as follows:

1.   Tenant represents and warrants that Tenant has not assigned the Amended Lease with respect to the Farmington Premises or sublet all or any portion of the Farmington Premises or otherwise granted the right to occupy all or any portion of the Farmington Premises to any person or entity, other than pursuant to that certain Sublease Agreement dated as of December 31, 2001, by and between Tenant and Five Star Quality Care-MI, LLC (“Subtenant”), as amended by that certain Letter Agreement dated as of March 1, 2004, by and between Tenant and Certain Affiliates of Five Star Quality Care, Inc., including Subtenant, which Sublease Agreement is being terminated with respect to the Farmington Premises by that certain Amended and Restated Sublease Agreement of even date herewith, by and between Tenant and Subtenant.

2.   Effective as of the date hereof, the Amended Lease is terminated with respect to the Farmington Premises and no party shall have any further rights or liabilities thereunder with respect to the Farmington Premises, except those rights and liabilities which by their terms survive termination of the Amended Lease.