SNH Senior Housing Properties Trust

Senior Housing Properties Trust (NYSE: SNH) today announced that the characterization of dividends for 2008 income tax reporting purposes is as follows:

Common Shares

� � � � Dividend Allocation Per Share � � � Unrecaptured � Declaration Record Paid/Payable Dividends Ordinary Qualified Capital Section 1250 Return of Dates Dates Dates Per Share Income Dividend Gain Gain Capital � 01/09/08 01/22/08 02/15/08 $0.3500 $0.2857 $0.0073 $0.0004 $0.0009 $0.0557 04/03/08 04/18/08 05/15/08 0.3500 0.2857 0.0073 0.0004 0.0009 0.0557 07/08/08 07/18/08 08/14/08 0.3500 0.2857 0.0073 0.0004 0.0009 0.0557 10/01/08 10/17/08 11/14/08 0.3500 0.2857 0.0073 0.0004 0.0009 0.0557 TOTALS: $1.4000 $1.1428 $0.0292 $0.0016 $0.0036 $0.2228 100.00% 81.63% 2.09% 0.11% 0.26% 15.91%

SNH�s common share CUSIP number is 81721M109. This information represents final income allocations.

SNH is a real estate investment trust 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.