SNH Senior Housing Properties Trust

Senior Housing Properties Trust (NYSE: SNH) today announced that the characterization of dividends for 2015 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

01/12/15 01/23/15 02/24/15 $0.39 $0.2008 $0.0028 $0.0000 $0.0000 $0.1864 04/13/15 04/24/15 05/21/15 $0.39 $0.2008 $0.0028 $0.0000 $0.0000 $0.1864 07/13/15 07/24/15 08/20/15 $0.39 $0.2008 $0.0028 $0.0000 $0.0000 $0.1864 10/13/15 10/23/15 11/19/15 $0.39 $0.2008 $0.0028 $0.0000 $0.0000 $0.1864 11/16/15 11/27/15 12/14/15 $0.13(1) $0.0679 $0.0009 $0.0000 $0.0000 $0.0631 TOTALS: $1.69 $0.8711 $0.0121 $0.0000 $0.0000 $0.8087 100.00% 51.48% 0.72% 0.00% 0.00% 47.80%  

(1) Represents the distribution of shares of The RMR Group (NASDAQ: RMR). The distribution was paid to SNH’s common shareholders of record as of the close of business on November 27, 2015 and distributed on or about December 14, 2015. Each common shareholder of SNH entitled to receive RMR shares in the distribution received 0.0111 of a share of Class A Common Stock of RMR for each common share of beneficial interest of SNH held and each registered shareholder and Depositary Trust Company participant received cash, without interest, in lieu of any fractional RMR share that it was otherwise entitled to receive as a result of the distribution.

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

Senior Housing Properties Trust is a real estate investment trust, or REIT, which owns senior living communities, medical office buildings and wellness centers throughout the United States. SNH is managed by the operating subsidiary of The RMR Group Inc. (NASDAQ: RMR), an alternative asset management company that is 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.

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Senior Housing Properties TrustOlivia Snyder, 617-796-8234Investor Relations Analyst