X0306 4 2014-03-07 0 0001075415 SENIOR HOUSING PROPERTIES TRUST NYSE: SNH 0001273871 PORTNOY ADAM C/O REIT MANAGEMENT & RESEARCH LLC TWO NEWTON PL., 255 WASH. ST., STE. 300 NEWTON MA 02458 1 0 0 0 Common Shares of Beneficial Interest 2014-03-07 4 J 0 4331.7 21.60 A 8971.65 I See Footnote Common Shares of Beneficial Interest 127873.55 D Owned by Reit Management & Research LLC ("RMR"), of which Reit Management & Research Trust ("RMR Trust") is the sole member. Mr. Portnoy is the President and Chief Executive Officer and a director of RMR, and the President and Chief Executive Officer, a beneficial owner and a trustee of RMR Trust. These shares were issued as a portion of the management fee paid by the Issuer to RMR pursuant to a business management agreement between the Issuer and RMR (the "Management Agreement"). Pursuant to the terms of the Management Agreement, the per share price amount listed above is the average of the closing prices of the Common Shares on the New York Stock Exchange for each trading day during the month of February 2014. /s/ Adam D. Portnoy 2014-03-07