GOVERNMENT PROPERTIES INCOME TRUST

SCHEDULE III

REAL ESTATE AND ACCUMULATED DEPRECIATION

December 31, 2012

(dollars in thousands)

				Initial Cost to Company								Cost amount carried at Close of Period
Location	State	Encumbrances		Land		Buildings and Equipment		Costs Capitalized Subsequent to Acquisition		Impairment/ Writedowns		Land		Buildings and Equipment		Total(1)		Accumulated Depreciation(2)			Date Acquired	Original Construction Date
Montgomery	AL	$	—	$	920	$	9,084	$	22	$	—	$	920	$	9,106	$	10,026	$	(341	)	06/22/2011	2007
Phoenix	AZ	—		2,687		11,532		1,471		—		2,729		12,961		15,690		(4,831		)	05/15/1997	1997
Safford	AZ	—		460		11,708		58		—		460		11,766		12,226		(732		)	06/16/2010	1992
Fresno	CA	—		7,276		61,118		9		—		7,277		61,126		68,403		(15,854		)	08/29/2002	1971
Sacramento	CA	—		2,290		35,891		2,420		—		2,290		38,311		40,601		(2,775		)	12/17/2009	1988
Sacramento	CA	—		1,550		12,263		669		—		1,550		12,932		14,482		(945		)	12/23/2009	1988
Sacramento	CA	—		1,450		9,465		1,038		—		1,450		10,503		11,953		(318		)	09/14/2011	1992
San Diego	CA	—		2,916		12,456		1,284		—		2,967		13,689		16,656		(5,399		)	03/31/1997	1994
San Diego	CA	—		4,269		18,316		869		—		4,347		19,107		23,454		(7,600		)	03/31/1997	1996
San Diego	CA	—		685		5,530		423		—		685		5,953		6,638		(1,673		)	06/24/2002	1986
San Diego	CA	—		5,250		10,549		2,223		—		5,250		12,772		18,022		(661		)	07/16/2010	1981
Stockton	CA	—		563		5,470		—		—		563		5,470		6,033		(57		)	07/20/2012	2012
Golden	CO	—		494		152		6,347		—		495		6,498		6,993		(2,348		)	03/31/1997	1997
Lakewood	CO	—		936		9,160		412		—		936		9,572		10,508		(2,355		)	10/11/2002	1981
Lakewood	CO	—		915		9,106		813		—		915		9,919		10,834		(2,356		)	10/11/2002	1981
Lakewood	CO	—		1,035		9,271		630		—		1,036		9,900		10,936		(2,401		)	10/11/2002	1981
Lakewood	CO	9,165		2,640		23,777		769		—		2,640		24,546		27,186		(1,804		)	01/15/2010	1997
Washington	DC	—		12,008		51,528		20,601		—		12,227		71,910		84,137		(24,164		)	03/31/1997	1996
Washington DC	DC	—		26,000		25,955		2,039		—		26,000		27,994		53,994		(1,534		)	08/17/2010	1989
Plantation	FL	—		4,800		30,592		135		—		4,800		30,727		35,527		(1,276		)	05/12/2011	1999
Tampa	FL	10,247		1,100		11,773		78		—		1,100		11,851		12,951		(662		)	10/15/2010	1994
Atlanta	GA	—		425		4,119		119		—		425		4,238		4,663		(920		)	07/16/2004	1967
Atlanta	GA	—		1,713		7,649		906		—		1,713		8,555		10,268		(1,862		)	07/16/2004	1967
Atlanta	GA	—		372		3,600		148		—		372		3,748		4,120		(812		)	07/16/2004	1967
Atlanta	GA	—		364		3,527		87		—		364		3,614		3,978		(754		)	07/16/2004	1967
Atlanta	GA	—		1,122		10,867		337		—		1,122		11,204		12,326		(2,482		)	07/16/2004	1967
Atlanta	GA	—		1,521		11,826		107		—		1,521		11,933		13,454		(2,505		)	07/16/2004	1972
Atlanta	GA	—		10,250		27,933		88		—		10,250		28,021		38,271		(873		)	09/30/2011	1968
Atlanta	GA	—		4,047		20,017		—		—		4,047		20,017		24,064		(209		)	07/25/2012	2005

GOVERNMENT PROPERTIES INCOME TRUST

SCHEDULE III

REAL ESTATE AND ACCUMULATED DEPRECIATION (Continued)

December 31, 2012

(dollars in thousands)

			Initial Cost to Company				Cost amount carried at Close of Period
Location	State	Encumbrances	Land	Buildings and Equipment	Costs Capitalized Subsequent to Acquisition	Impairment/ Writedowns	Land	Buildings and Equipment	Total(1)	Accumulated Depreciation(2)		Date Acquired	Original Construction Date
Ellenwood	GA	—	1,390	19,635	—	—	1,390	19,635	21,025	(205	)	07/25/2012	2007
Savannah	GA	—	950	2,376	46	—	950	2,422	3,372	(144	)	07/16/2010	1990
Boise	ID	—	1,152	12,755	—	—	1,152	12,755	13,907	(106	)	09/11/2012	1996
Boise	ID	—	1,162	8,398	—	—	1,162	8,398	9,560	(70	)	09/11/2012	1997
Boise	ID	—	1,076	7,873	—	—	1,076	7,873	8,949	(66	)	09/11/2012	2002
Arlington Heights	IL	—	1,450	13,160	456	—	1,450	13,616	15,066	(1,019	)	12/29/2009	2002
Indianapolis	IN	22,173	1,250	20,018	360	—	1,250	20,378	21,628	(637	)	10/14/2011	2000
Indianapolis	IN	27,101	1,460	24,984	349	—	1,460	25,333	26,793	(790	)	10/14/2011	2001
Indianapolis	IN	—	1,460	23,886	312	—	1,460	24,198	25,658	(755	)	10/14/2011	2008
Kansas City	KS	—	640	9,932	741	—	640	10,673	11,313	(623	)	06/16/2010	1990
Florence	KY	—	1,698	11,722	—	—	1,698	11,722	13,420	—		12/31/2012	1980
Boston	MA	—	5,100	17,293	465	—	5,100	17,758	22,858	(1,015	)	08/17/2010	1988
Malden	MA	—	1,050	31,086	—	—	1,050	31,086	32,136	(2,001	)	05/24/2010	2008
Quincy	MA	—	2,700	9,199	116	—	2,700	9,315	12,015	(433	)	02/16/2011	1985
Stoneham	MA	—	1,670	11,035	258	—	1,670	11,293	12,963	(695	)	06/16/2010	1987
Baltimore	MD	—	900	8,097	1,139	—	901	9,235	10,136	(3,398	)	10/15/1998	1989
Germantown	MD	—	2,305	9,890	736	—	2,347	10,584	12,931	(4,096	)	03/31/1997	1995
Landover	MD	24,441	4,110	36,371	114	—	4,110	36,485	40,595	(2,577	)	02/26/2010	2004
Riverdale	MD	—	6,240	30,368	192	—	6,240	30,560	36,800	(2,317	)	09/17/2010	1994
Rockville	MD	—	3,251	29,258	4,323	—	3,251	33,581	36,832	(11,435	)	02/02/1998	1986
Windsor Hill	MD	—	1,598	10,219	—	—	1,598	10,219	11,817	(21	)	11/16/2012	1972
Woodlawn	MD	—	2,220	14,750	86	—	2,220	14,836	17,056	(708	)	02/15/2011	1973
Woodlawn	MD	—	1,515	6,759	12	—	1,515	6,771	8,286	(324	)	02/15/2011	1973
Detroit	MI	—	630	18,002	—	—	630	18,002	18,632	(1,200	)	04/23/2010	2009
Minneapolis	MN	—	3,990	18,186	987	—	3,990	19,173	23,163	(1,159	)	07/16/2010	1980
Roseville	MN	—	672	6,045	1,162	—	672	7,207	7,879	(2,604	)	12/01/1999	1987
Kansas City	MO	—	1,443	6,193	3,764	—	1,780	9,620	11,400	(3,640	)	03/31/1997	1995
Kansas City	MO	—	2,776	12,070	—	—	2,776	12,070	14,846	(75	)	09/27/2012	2011
Jackson	MS	—	440	25,458	—	—	440	25,458	24,898	(265	)	07/25/2012	2009

GOVERNMENT PROPERTIES INCOME TRUST

SCHEDULE III

REAL ESTATE AND ACCUMULATED DEPRECIATION (Continued)

December 31, 2012

(dollars in thousands)

				Initial Cost to Company								Cost amount carried at Close of Period
Location	State	Encumbrances		Land		Buildings and Equipment		Costs Capitalized Subsequent to Acquisition		Impairment/ Writedowns		Land		Buildings and Equipment		Total(1)		Accumulated Depreciation(2)			Date Acquired	Original Construction Date
Nashua	NH	—		3,000		14,052		88		—		3,000		14,140		17,140		(1,172		)	08/31/2009	1997
Trenton	NJ	—		5,000		38,203		443		—		5,000		38,646		43,646		(1,919		)	12/30/2010	1989
Albuquerque	NM	—		710		1,651		169		—		710		1,820		2,530		(114		)	07/16/2010	1984
Albany	NY	—		790		6,400		—		—		790		6,400		7,190		(80		)	06/22/2012	2004
Buffalo	NY	—		4,405		18,899		1,592		—		4,485		20,411		24,896		(8,202		)	03/31/1997	1994
Holtsville	NY	—		6,530		17,711		769		—		6,530		18,480		25,010		(602		)	08/31/2011	2000
New York	NY	—		36,800		66,661		175		—		36,800		66,836		103,636		(2,639		)	05/27/2011	2008
Salem	OR	—		6,510		17,973		498		—		6,510		18,471		24,981		(449		)	12/20/2011	2007
Columbia	SC	—		659		5,622		358		—		659		5,980		6,639		(943		)	05/10/2006	1985
Columbia	SC	—		410		2,535		695		—		410		3,230		3,640		(164		)	09/17/2010	1982
Columbia	SC	—		370		2,986		97		—		370		3,083		3,453		(171		)	09/17/2010	1982
Memphis	TN	—		1,630		5,645		678		—		1,630		6,323		7,953		(344		)	09/17/2010	1985
Waco	TX	—		2,030		8,708		2,123		—		2,060		10,801		12,861		(3,510		)	12/23/1997	1997
Falls Church	VA	—		3,456		14,828		4,463		—		3,519		19,228		22,747		(8,162		)	03/31/1997	1993
Stafford	VA	—		1,431		3,344		11		—		1,431		3,355		4,786		(125		)	06/22/2011	1988
Stafford	VA	—		659		4,121		10		—		659		4,131		4,790		(155		)	06/22/2011	1999
S. Burlington	VT	—		700		8,416		—		—		700		8,416		9,116		(577		)	04/09/2010	2009
Everett	WA	—		2,155		9,823		—		—		2,155		9,823		11,978		(123		)	06/28/2012	1985
Everett	WA	—		1,205		5,553		—		—		1,205		5,553		6,758		(69		)	06/28/2012	1985
Richland	WA	—		2,515		10,790		706		—		2,587		11,424		14,011		(4,550		)	03/31/1997	1995
Richland	WA	—		1,455		6,245		178		—		1,455		6,423		7,878		(2,569		)	03/31/1997	1995
Milwaukee	WI	—		945		4,539		88		—		945		4,627		5,572		(182		)	06/09/2011	2006
Falling Waters	WV	—		906		3,886		357		—		922		4,227		5,149		(1,599		)	03/31/1997	1993
Cheyenne	WY	—		1,915		8,217		1,136		—		1,950		9,318		11,268		(3,751		)	03/31/1997	1995
		$	93,127	$	242,542	$	1,206,060	$	74,352	$	—	$	243,611	$	1,279,343	$	1,522,954	$	(175,052	)

(1) Excludes value of real estate intangibles. Aggregate cost for federal income tax purposes is approximately $1,675,339.

(2) Depreciation on buildings and improvements is provided for periods ranging up to 40 years and on equipment up to 12 years.

GOVERNMENT PROPERTIES INCOME TRUST

SCHEDULE III

REAL ESTATE AND ACCUMULATED DEPRECIATION

December 31, 2012

(dollars in thousands)

Analysis of the carrying amount of real estate properties and accumulated depreciation:

	Real Estate Properties			Accumulated Depreciation
Balance at December 31, 2009	$	576,757		$	113,027
Additions	389,863			17,946
Balance at December 31, 2010	966,620			130,973
Additions	378,275			26,615
Disposals	(1,314		)	(1,314		)
Balance at December 31, 2011	1,343,581			156,274
Additions	192,673			32,078
Disposals	(13,300		)	(13,300		)
Balance at December 31, 2012	$	1,522,954		$	175,052