SNH Senior Housing Properties Trust

Senior Housing Properties Trust (Nasdaq: SNH) today announced that the characterization of dividends for 2016 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

01/11/16 01/22/16 02/23/16 $0.39 $0.2292 $0.0022 $0.0000 $0.0000 $0.1586 04/13/16 04/25/16 05/19/16 $0.39 $0.2292 $0.0022 $0.0000 $0.0000 $0.1586 07/12/16 07/22/16 08/18/16 $0.39 $0.2292 $0.0022 $0.0000 $0.0000 $0.1586 10/11/16 10/21/16 11/17/16 $0.39 $0.2292 $0.0022 $0.0000 $0.0000 $0.1586 TOTALS: $1.56 $0.9168 $0.0088 $0.0000 $0.0000 $0.6344 100.00% 58.77% 0.56% 0.00% 0.00% 40.67%

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

Shareholders should look to IRS Form 1099-DIV for their tax reporting. This press release is not intended to replace the Form 1099-DIV.

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 Nasdaq.No shareholder, Trustee or officer is personally liable for any act or obligation of the Trust.

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Senior Housing Properties TrustBrad Shepherd, 617-796-8234Director, Investor Relations