Government Properties Income Trust Announces 2012 Dividend Allocation13:45 EST Friday, January 18, 2013 NEWTON, Mass. (Business Wire) -- Government Properties Income Trust (NYSE: GOV) today announced that the characterization of dividends for 2012 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 DatesDatesDatesPer ShareIncomeDividendGainGainCapital 01/09/12 01/26/12 02/24/12 $ 0.4200 0.3375 0.0000 0.0000 0.0000 0.0825 04/09/12 04/26/12 05/24/12 $ 0.4200 0.3375 0.0000 0.0000 0.0000 0.0825 07/09/12 07/23/12 08/22/12 $ 0.4200 0.3375 0.0000 0.0000 0.0000 0.0825 10/09/12 10/22/12 11/21/12 $0.4300     0.3456     0.0000     0.0000     0.0000     0.0844   TOTALS: $1.6900   $1.3581   $0.0000   $0.0000   $0.0000   $0.3319   100.00 % 80.36 % 0.00 % 0.00 % 0.00 % 19.64 % GOV's common share CUSIP number is 38376A103. This information represents final income allocations. Government Properties Income Trust is a real estate investment trust, or REIT, which owns properties leased primarily to the U.S. Government and state governments located throughout the United States. GOV 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. Government Properties Income TrustTimothy A. Bonang, 617-219-1410Vice President, Investor RelationsorElisabeth A. Heiss, 617-219-1410Manager, Investor Relationswww.govreit.com