Item 15. Exhibits and Financial Statement Schedules

(a) Financial Statement Schedule

Boston Properties, Inc. Schedule III - Real Estate and Accumulated Depreciation December 31, 2017 (dollars in thousands)
Property Name		Type		Location		Encumbrances					Original								Costs Capitalized Subsequent to Acquisition				Land and Improvements				Building and Improvements				Land Held for Development					Development and Construction in Progress				Total				Accumulated Depreciation				Year(s) Built/ Renovated		Year(s) Acquired		Depreciable Lives (Years)
Land				Building
767 Fifth Avenue (the General Motors Building)		Office		New York, NY		$	2,267,041				$	1,796,252			$	1,532,654			$	135,559			$	1,796,252			$	1,668,213			$	—				$	—			$	3,464,465			$	222,981			1968		2013		(1)
Prudential Center		Office		Boston, MA		—					92,077				948,357				501,709				115,638				1,426,505				—					—				1,542,143				511,605				1965/1993/2002/2016-2017		1998/1999/2000		(1)
Embarcadero Center		Office		San Francisco, CA		—					179,697				847,410				366,780				195,987				1,197,900				—					—				1,393,887				596,100				1970/1989		1998-1999		(1)
399 Park Avenue		Office		New York, NY		—					339,200				700,358				181,418				354,107				866,869				—					—				1,220,976				310,262				1961		2002		(1)
601 Lexington Avenue		Office		New York, NY		672,142					241,600				494,782				290,590				289,639				634,134				—					103,199				1,026,972				254,932				1977/1997		2001		(1)
200 Clarendon Street and Garage		Office		Boston, MA		—					219,543				667,884				139,189				219,616				799,991				7,009					—				1,026,616				161,471				1976		2010		(1)
250 West 55th Street		Office		New York, NY		—					285,263				603,167				43,296				285,263				646,463				—					—				931,726				72,058				2014		2007		(1)
Carnegie Center		Office		Princeton, NJ		—					107,997				389,359				157,960				108,948				543,514				2,854					—				655,316				228,171				1983-2016		1998/1999/2000/2007/2014/2017		(1)
100 Federal Street		Office		Boston, MA		—					131,067				435,954				79,035				131,067				514,989				—					—				646,056				97,630				1971-1975/2017		2012		(1)
Times Square Tower		Office		New York, NY		—					165,413				380,438				87,050				169,193				463,708				—					—				632,901				191,435				2004		2000		(1)
Atlantic Wharf		Office		Boston, MA		—					63,988				454,537				17,473				63,988				472,010				—					—				535,998				101,525				2011		2007		(1)
Fountain Square		Office		Reston, VA		—					56,853				306,298				17,834				56,853				320,474				3,658					—				380,985				60,098				1986-1990		2012		(1)
510 Madison Avenue		Office		New York, NY		—					103,000				253,665				23,875				103,000				277,540				—					—				380,540				54,056				2012		2010		(1)
599 Lexington Avenue		Office		New York, NY		—					81,040				100,507				165,350				87,852				259,045				—					—				346,897				165,739				1986		1997		(1)
680 Folsom Street		Office		San Francisco, CA		—					72,545				219,766				7,545				72,545				227,311				—					—				299,856				30,577				2014		2012		(1)
South of Market and Democracy Tower		Office		Reston, VA		—					13,603				237,479				14,991				13,687				252,386				—					—				266,073				87,711				2008-2009		2003		(1)
601 Massachusetts Avenue		Office		Washington, DC		—					95,310				165,173				2,353				95,322				167,514				—					—				262,836				12,177				2016		2008		(1)
Bay Colony Corporate Center		Office		Waltham, MA		—					18,789				148,451				73,418				18,789				221,869				—					—				240,658				57,320				1985-1989		2011		(1)
Gateway Center		Office		San Francisco, CA		—					28,255				139,245				59,019				30,627				195,892				—					—				226,519				102,634				1984/1986/2002		1999		(1)
535 Mission Street		Office		San Francisco, CA		—					40,933				148,378				3,259				40,933				151,637				—					—				192,570				14,637				2015		2013		(1)
2200 Pennsylvania Avenue		Office		Washington, DC		—					—				183,541				4,907				—				188,448				—					—				188,448				46,780				2011		2008		(1)
Mountain View Research Park		Office		Mountain View, CA		—					95,066				68,373				8,136				95,066				76,509				—					—				171,575				15,146				1977-1981/2007-2013		2013		(1)
Reservoir Place		Office		Waltham, MA		—					18,605				104,124				43,255				20,108				145,876				—					—				165,984				66,230				1955/1987/2017		1997/1998		(1)
1330 Connecticut Avenue		Office		Washington, DC		—					25,982				82,311				32,839				27,135				113,997				—					—				141,132				22,530				1984		2004		(1)
1333 New Hampshire Avenue		Office		Washington, DC		—					34,032				85,660				11,473				35,382				95,783				—					—				131,165				40,499				1996		2003		(1)
Kingstowne Towne Center		Office		Alexandria, VA		—					18,021				109,038				1,371				18,062				110,368				—					—				128,430				39,048				2003-2006		2007		(1)

Boston Properties, Inc. Schedule III - Real Estate and Accumulated Depreciation December 31, 2017 (dollars in thousands)
Property Name		Type		Location		Encumbrances					Original								Costs Capitalized Subsequent to Acquisition				Land and Improvements				Building and Improvements				Land Held for Development					Development and Construction in Progress				Total				Accumulated Depreciation				Year(s) Built/ Renovated		Year(s) Acquired		Depreciable Lives (Years)
Land				Building
One Freedom Square		Office		Reston, VA		—					9,929				84,504				32,618				11,293				115,758				—					—				127,051				50,313				2000		2003		(1)
Capital Gallery		Office		Washington, DC		—					4,725				29,565				89,514				8,662				115,142				—					—				123,804				66,009				1981/2006		2007		(1)
Weston Corporate Center		Office		Weston, MA		—					25,753				92,312				(123		)		25,854				92,088				—					—				117,942				23,125				2010		2001		(1)
Two Freedom Square		Office		Reston, VA		—					13,930				77,739				23,379				15,420				99,628				—					—				115,048				47,936				2001		2003		(1)
One and Two Reston Overlook		Office		Reston, VA		—					16,456				66,192				25,111				16,179				91,580				—					—				107,759				44,626				1999		2000		(1)
Discovery Square		Office		Reston, VA		—					11,198				71,782				24,414				12,533				94,861				—					—				107,394				43,184				2001		2003		(1)
140 Kendrick Street		Office		Needham, MA		—					18,095				66,905				17,492				19,092				83,400				—					—				102,492				29,013				2000		2004		(1)
355 Main Street		Office		Cambridge, MA		—					18,863				53,346				27,450				21,173				78,486				—					—				99,659				26,915				1981/1996/2013		2006		(1)
10 CityPoint		Office		Waltham, MA		—					1,953				85,752				2,833				2,116				88,422				—					—				90,538				4,673				2016		1997		(1)
90 Broadway		Office		Cambridge, MA		—					19,104				52,078				17,180				20,785				67,577				—					—				88,362				19,254				1983/1998/2013		2006		(1)
230 CityPoint		Office		Waltham, MA		—					13,189				49,823				25,236				13,593				74,655				—					—				88,248				26,562				1992		2005		(1)
Waltham Weston Corporate Center		Office		Waltham, MA		—					10,385				60,694				11,030				11,097				71,012				—					—				82,109				30,036				2003		1999		(1)
77 CityPoint		Office		Waltham, MA		—					13,847				60,383				5,703				13,873				66,060				—					—				79,933				23,044				2008		2001		(1)
3625-3635 Peterson Way		Office		Santa Clara, CA		—					63,206				14,879				138				63,206				14,879				138					—				78,223				5,120				1979		2016		(1)
North First Business Park		Office		San Jose, CA		—					58,402				13,069				4,416				23,377				16,600				35,910					—				75,887				15,839				1981		2007		(1)
300 Binney Street		Office		Cambridge, MA		—					18,080				51,262				140				18,080				51,402				—					—				69,482				7,755				2013		2009		(1)
2440 West El Camino Real		Office		Mountain View, CA		—					16,741				51,285				1,287				16,741				52,572				—					—				69,313				10,790				1987/2003		2011		(1)
Wisconsin Place		Office		Chevy Chase, MD		—					—				53,349				14,907				—				68,256				—					—				68,256				19,775				2009		2004		(1)
Reston Corporate Center		Office		Reston, VA		—					9,135				50,857				6,236				10,148				56,080				—					—				66,228				26,769				1984		1998		(1)
New Dominion Technology Park, Bldg. Two		Office		Herndon, VA		—					5,584				51,868				4,157				6,510				55,099				—					—				61,609				23,652				2004		1998		(1)
200 West Street		Office		Waltham, MA		—					16,148				24,983				10,673				16,813				34,991				—					—				51,804				21,140				1999		1997		(1)
New Dominion Technology Park, Bldg. One		Office		Herndon, VA		32,691					3,880				43,227				3,882				4,583				46,406				—					—				50,989				25,940				2001		1998		(1)
Sumner Square		Office		Washington, DC		—					624				28,745				19,000				1,478				46,891				—					—				48,369				23,570				1985		1999		(1)
255 Main Street		Office		Cambridge, MA		—					134				25,110				21,583				548				46,279				—					—				46,827				28,250				1987		1997		(1)
University Place		Office		Cambridge, MA		7,407					—				37,091				9,007				390				45,708				—					—				46,098				26,295				1985		1998		(1)
2600 Tower Oaks Boulevard		Office		Rockville, MD		—					4,243				31,125				9,867				4,785				40,450				—					—				45,235				21,020				2001		1998		(1)
Quorum Office Park		Office		Chelmsford, MA		—					3,750				32,454				5,813				5,187				36,830				—					—				42,017				16,594				2001		2000		(1)
500 E Street		Office		Washington, DC		—					109				22,420				14,743				2,379				34,893				—					—				37,272				23,781				1987		1997		(1)
150 Broadway		Office		Cambridge, MA		—					850				25,042				8,540				1,323				33,109				—					—				34,432				16,933				1999		1997		(1)
325 Main Street		Office		Cambridge, MA		—					174				12,200				11,963				965				23,372				—					—				24,337				12,852				1987/2013		1997		(1)
105 Broadway		Office		Cambridge, MA		—					1,299				12,943				8,214				2,395				20,061				—					—				22,456				13,493				1990		1997		(1)
Lexington Office Park		Office		Lexington, MA		—					998				1,426				18,219				1,264				19,379				—					—				20,643				13,404				1982		1997		(1)
201 Spring Street		Office		Lexington, MA		—					2,849				15,303				694				3,124				15,722				—					—				18,846				7,931				1997		1997		(1)
The Point		Office		Waltham, MA		—					6,395				10,040				409				6,480				10,364				—					—				16,844				714				2015		2007		(1)
92-100 Hayden Avenue		Office		Lexington, MA		—					594				6,748				8,181				802				14,721				—					—				15,523				12,495				1985		1997		(1)
91 Hartwell Avenue		Office		Lexington, MA		—					784				6,464				8,269				941				14,576				—					—				15,517				9,849				1985		1997		(1)

Boston Properties, Inc. Schedule III - Real Estate and Accumulated Depreciation December 31, 2017 (dollars in thousands)
Property Name		Type		Location		Encumbrances					Original								Costs Capitalized Subsequent to Acquisition				Land and Improvements				Building and Improvements				Land Held for Development					Development and Construction in Progress				Total				Accumulated Depreciation				Year(s) Built/ Renovated		Year(s) Acquired		Depreciable Lives (Years)
Land				Building
690 Folsom Street		Office		San Francisco, CA		—					3,219				11,038				1,157				3,219				12,195				—					—				15,414				1,295				2015		2012		(1)
181 Spring Street		Office		Lexington, MA		—					1,066				9,520				2,318				1,160				11,744				—					—				12,904				5,194				1999		1997		(1)
195 West Street		Office		Waltham, MA		—					1,611				6,652				4,340				1,858				10,745				—					—				12,603				7,963				1990		1997		(1)
33 Hayden Avenue		Office		Lexington, MA		—					266				3,234				8,381				425				11,456				—					—				11,881				8,211				1979		1997		(1)
7501 Boston Boulevard, Building Seven		Office		Springfield, VA		—					665				9,273				819				791				9,966				—					—				10,757				4,848				1997		1997		(1)
7435 Boston Boulevard, Building One		Office		Springfield, VA		—					392				3,822				3,997				659				7,552				—					—				8,211				5,510				1982		1997		(1)
250 Binney Street		Office		Cambridge, MA		—					110				4,483				3,593				273				7,913				—					—				8,186				5,066				1983		1997		(1)
8000 Grainger Court, Building Five		Office		Springfield, VA		—					366				4,282				3,375				601				7,422				—					—				8,023				5,644				1984		1997		(1)
7450 Boston Boulevard, Building Three		Office		Springfield, VA		—					1,165				4,681				1,773				1,430				6,189				—					—				7,619				3,451				1987		1998		(1)
453 Ravendale Drive		Office		Mountain View, CA		—					5,477				1,090				408				5,477				1,498				—					—				6,975				472				1977		2012		(1)
17 Hartwell Avenue		Office		Lexington, MA		—					26				150				6,252				65				6,363				—					—				6,428				1,098				1968		1997		(1)
7601 Boston Boulevard, Building Eight		Office		Springfield, VA		—					200				878				5,052				551				5,579				—					—				6,130				4,263				1986		1997		(1)
7300 Boston Boulevard, Building Thirteen		Office		Springfield, VA		—					608				4,773				709				661				5,429				—					—				6,090				2,785				2002		1997		(1)
7500 Boston Boulevard, Building Six		Office		Springfield, VA		—					138				3,749				1,655				406				5,136				—					—				5,542				3,965				1985		1997		(1)
8000 Corporate Court, Building Eleven		Office		Springfield, VA		—					136				3,071				1,596				774				4,029				—					—				4,803				2,909				1989		1997		(1)
7374 Boston Boulevard, Building Four		Office		Springfield, VA		—					241				1,605				1,913				398				3,361				—					—				3,759				2,578				1984		1997		(1)
7375 Boston Boulevard, Building Ten		Office		Springfield, VA		—					23				2,685				938				93				3,553				—					—				3,646				2,570				1988		1997		(1)
7451 Boston Boulevard, Building Two		Office		Springfield, VA		—					249				1,542				1,659				613				2,837				—					—				3,450				2,429				1982		1997		(1)
32 Hartwell Avenue		Office		Lexington, MA		—					168				1,943				1,012				314				2,809				—					—				3,123				1,974				1968/1979/1987		1997		(1)
164 Lexington Road		Office		Billerica, MA		—					592				1,370				319				643				1,638				—					—				2,281				868				1982		1997		(1)
The Avant at Reston Town Center		Residential		Reston, VA		—					20,350				91,995				830				20,350				92,825				—					—				113,175				9,780				2014		2010		(1)
The Lofts at Atlantic Wharf		Residential		Boston, MA		—					3,529				54,891				1,768				3,529				56,659				—					—				60,188				9,622				2011		2007		(1)
Boston Marriott Cambridge		Hotel		Cambridge, MA		—					478				37,918				38,799				1,201				75,994				—					—				77,195				47,753				1986		1997		(1)
Kendall Center Green Garage		Garage		Cambridge, MA		—					—				35,035				7,448				103				42,380				—					—				42,483				10,779				1984		2006		(1)
Kendall Center Yellow Garage		Garage		Cambridge, MA		—					1,256				15,697				1,621				1,434				17,140				—					—				18,574				5,181				2006		2004		(1)
Kendall Center Blue Garage		Garage		Cambridge, MA		—					1,163				11,633				2,283				1,579				13,500				—					—				15,079				9,209				1990		1997		(1)
Salesforce Tower		Development		San Francisco, CA		—					—				—				947,106				200,349				55,318				—					691,439				947,106				116				N/A		2013		N/A
Signature at Reston		Development		Reston, VA		—					—				—				203,650				—				—				—					203,650				203,650				—				N/A		2013		N/A
Proto Kendall Square		Development		Cambridge, MA		—					—				—				82,905				—				—				—					82,905				82,905				—				N/A		2015		N/A
145 Broadway		Development		Cambridge, MA		—					121				—				79,979				324				—				—					79,776				80,100				—				NA		1997		N/A
191 Spring Street		Development		Lexington, MA		—					2,850				27,166				35,174				3,151				46,288				—					15,751				65,190				19,034				1971/1995		1997		(1)

Boston Properties, Inc. Schedule III - Real Estate and Accumulated Depreciation December 31, 2017 (dollars in thousands)
Property Name		Type		Location		Encumbrances					Original								Costs Capitalized Subsequent to Acquisition				Land and Improvements				Building and Improvements				Land Held for Development					Development and Construction in Progress				Total				Accumulated Depreciation				Year(s) Built/ Renovated		Year(s) Acquired		Depreciable Lives (Years)
Land				Building
6595 Springfield Center Drive (TSA Headquarters)		Development		Springfield, VA		—					—				—				41,918				—				—				—					41,918				41,918				—				N/A		2007		N/A
MacArthur Station Residences		Development		Oakland, CA		—					—				—				37,644				—				—				—					37,644				37,644				—				N/A		N/A		N/A
20 CityPoint		Development		Waltham, MA		—					—				—				13,056				—				—				—					13,056				13,056				—				N/A		2007		N/A
Tower Oaks Master Plan		Land		Rockville, MD		—					—				—				29,419				—				—				29,419					—				29,419				—				N/A		1998		N/A
Plaza at Almaden		Land		San Jose, CA		—					—				—				29,085				—				—				29,085					—				29,085				—				N/A		2006		N/A
Springfield Metro Center		Land		Springfield, VA		—					—				—				19,684				—				—				19,684					—				19,684				—				N/A		2007		N/A
214 Third Avenue		Land		Waltham, MA		—					—				—				13,815				—				—				13,815					—				13,815				—				N/A		2006		N/A
Reston Gateway		Land		Reston, VA		—					—				—				13,730				—				—				13,730					—				13,730				—				N/A		1998		N/A
103 Fourth Avenue		Land		Waltham, MA		—					—				—				12,115				—				—				12,115					—				12,115				—				N/A		2007		N/A
Crane Meadow		Land		Marlborough, MA		—					—				—				8,836				—				—				8,836					—				8,836				—				N/A		2000		N/A
Washingtonian North		Land		Gaithersburg, MD		—					—				—				7,645				—				—				7,645					—				7,645				—				N/A		1998		N/A
2100 Pennsylvania Avenue		Land		Washington, DC		—					—				—				6,543				—				—				6,543					—				6,543				—				N/A		N/A		N/A
Fourth and Harrison		Land		San Francisco, CA		—					—				—				5,659				—				—				5,659					—				5,659				—				N/A		N/A		N/A
North First Master Plan		Land		San Jose, CA		—					—				—				3,018				—				—				3,018					—				3,018				—				N/A		2007		N/A
Broad Run Business Park		Land		Loudoun County, VA		—					—				—				2,367				—				—				2,367					—				2,367				—				N/A		1998		N/A
Kendall Center Master Plan		Land		Cambridge, MA		—					—				—				2,207				—				—				2,207					—				2,207				—				N/A		N/A		N/A
Weston Quarry		Land		Weston, MA		—					—				—				1,194				—				—				1,194					—				1,194				—				N/A		2001		N/A
Reston Overlook Master Plan		Land		Reston, VA		—					—				—				39				—				—				39					—				39				—				N/A		2000		N/A
						$	2,979,281		(2	)	$	4,762,002			$	11,634,050			$	4,662,662			$	5,080,679			$	14,503,772			$	204,925		(3	)	$	1,269,338			$	21,058,714			$	4,566,570

Note: Total Real Estate does not include Furniture, Fixtures and Equipment totaling approximately $37,928. Accumulated Depreciation does not include approximately $23,064 of accumulated depreciation related to Furniture, Fixtures and Equipment.

The aggregate cost and accumulated depreciation for tax purposes was approximately $17.3 billion and $3.6 billion, respectively.

(1)	Depreciation of the buildings and improvements are calculated over lives ranging from the life of the lease to 40 years.

(2)	Includes unamortized deferred financing costs totaling approximately $(34.7) million.

(3)	Includes pre-development costs.

Boston Properties, Inc.

Real Estate and Accumulated Depreciation

December 31, 2017, 2016 and 2015

(dollars in thousands)

A summary of activity for real estate and accumulated depreciation is as follows:

		2017				2016				2015
Real Estate:
Balance at the beginning of the year		$	20,114,576			$	19,451,683			$	19,208,417
Additions to/improvements of real estate		1,099,286				977,287				700,792
Assets sold/written-off		(155,148		)		(314,394		)		$	(457,526	)
Balance at the end of the year		$	21,058,714			$	20,114,576			$	19,451,683
Accumulated Depreciation:
Balance at the beginning of the year		$	4,201,891			$	3,905,940			$	3,529,978
Depreciation expense		497,059				560,024				486,450
Assets sold/written-off		(132,380		)		(264,073		)		(110,488		)
Balance at the end of the year		$	4,566,570			$	4,201,891			$	3,905,940

Note: Real Estate and Accumulated Depreciation amounts do not include Furniture, Fixtures and Equipment.

Boston Properties Limited Partnership Schedule III—Real Estate and Accumulated Depreciation December 31, 2017 (dollars in thousands)
											Original								Costs Capitalized Subsequent to Acquisition				Land and Improvements				Building and Improvements				Land Held for Development					Development and Construction in Progress				Total				Accumulated Depreciation				Year(s) Built/ Renovated		Year(s) Acquired		Depreciable Lives (Years)
Property Name		Type		Location		Encumbrances					Land				Building
767 Fifth Avenue (the General Motors Building)		Office		New York, NY		$	2,267,041				$	1,796,252			$	1,532,654			$	135,559			$	1,796,252			$	1,668,213			$	—				$	—			$	3,464,465			$	222,981			1968		2013		(1)
Prudential Center		Office		Boston, MA		—					92,077				948,357				441,339				100,540				1,381,233				—					—				1,481,773				497,960				1965/1993/2002/2016-2017		1998/1999/2000		(1)
Embarcadero Center		Office		San Francisco, CA		—					179,697				847,410				304,399				180,420				1,151,086				—					—				1,331,506				581,932				1970/1989		1998-1999		(1)
399 Park Avenue		Office		New York, NY		—					339,200				700,358				121,810				339,200				822,168				—					—				1,161,368				296,763				1961		2002		(1)
200 Clarendon Street and Garage		Office		Boston, MA		—					219,543				667,884				139,189				219,616				799,991				7,009					—				1,026,616				161,471				1976		2010		(1)
601 Lexington Avenue		Office		New York, NY		672,142					241,600				494,782				253,504				279,281				607,406				—					103,199				989,886				246,814				1977/1997		2001		(1)
250 West 55th Street		Office		New York, NY		—					285,263				603,167				43,296				285,263				646,463				—					—				931,726				72,058				2014		2007		(1)
100 Federal Street		Office		Boston, MA		—					131,067				435,954				79,035				131,067				514,989				—					—				646,056				97,630				1971-1975/2017		2012		(1)
Carnegie Center		Office		Princeton, NJ		—					107,997				389,359				140,642				104,617				530,527				2,854					—				637,998				224,256				1983-2016		1998/1999/2000/2007/2014/2017		(1)
Times Square Tower		Office		New York, NY		—					165,413				380,438				49,071				159,694				435,228				—					—				594,922				182,850				2004		2000		(1)
Atlantic Wharf		Office		Boston, MA		—					63,988				454,537				17,473				63,988				472,010				—					—				535,998				101,525				2011		2007		(1)
Fountain Square		Office		Reston, VA		—					56,853				306,298				17,834				56,853				320,474				3,658					—				380,985				60,098				1986-1990		2012		(1)
510 Madison Avenue		Office		New York, NY		—					103,000				253,665				23,875				103,000				277,540				—					—				380,540				54,056				2012		2010		(1)
599 Lexington Avenue		Office		New York, NY		—					81,040				100,507				138,108				81,040				238,615				—					—				319,655				159,586				1986		1997		(1)
680 Folsom Street		Office		San Francisco, CA		—					72,545				219,766				7,545				72,545				227,311				—					—				299,856				30,577				2014		2012		(1)
South of Market and Democracy Tower		Office		Reston, VA		—					13,603				237,479				14,655				13,603				252,134				—					—				265,737				87,651				2008-2009		2003		(1)
601 Massachusetts Avenue		Office		Washington, DC		—					95,310				165,173				2,341				95,310				167,514				—					—				262,824				12,177				2016		2008		(1)
Bay Colony Corporate Center		Office		Waltham, MA		—					18,789				148,451				73,418				18,789				221,869				—					—				240,658				57,320				1985-1989		2011		(1)
Gateway Center		Office		San Francisco, CA		—					28,255				139,245				52,630				29,029				191,101				—					—				220,130				101,191				1984/1986/2002		1999		(1)
535 Mission Street		Office		San Francisco, CA		—					40,933				148,378				3,259				40,933				151,637				—					—				192,570				14,637				2015		2013		(1)
2200 Pennsylvania Avenue		Office		Washington, DC		—					—				183,541				4,907				—				188,448				—					—				188,448				46,780				2011		2008		(1)
Mountain View Research Park		Office		Mountain View, CA		—					95,066				68,373				8,136				95,066				76,509				—					—				171,575				15,146				1977-1981/2007-2013		2013		(1)
Reservoir Place		Office		Waltham, MA		—					18,605				104,124				39,180				19,089				142,820				—					—				161,909				65,309				1955/1987/2017		1997/1998		(1)
1330 Connecticut Avenue		Office		Washington, DC		—					25,982				82,311				28,226				25,982				110,537				—					—				136,519				21,484				1984		2004		(1)
Kingstowne Towne Center		Office		Alexandria, VA		—					18,021				109,038				1,207				18,021				110,245				—					—				128,266				39,018				2003-2006		2007		(1)
1333 New Hampshire Avenue		Office		Washington, DC		—					34,032				85,660				6,079				34,032				91,739				—					—				125,771				39,279				1996		2003		(1)
One Freedom Square		Office		Reston, VA		—					9,929				84,504				26,981				9,883				111,531				—					—				121,414				49,037				2000		2003		(1)
Weston Corporate Center		Office		Weston, MA		—					25,753				92,312				(123		)		25,854				92,088				—					—				117,942				23,125				2010		2001		(1)
Capital Gallery		Office		Washington, DC		—					4,725				29,565				79,383				6,128				107,545				—					—				113,673				63,717				1981/2006		2007		(1)
Two Freedom Square		Office		Reston, VA		—					13,930				77,739				17,167				13,866				94,970				—					—				108,836				46,532				2001		2003		(1)
One and Two Reston Overlook		Office		Reston, VA		—					16,456				66,192				20,693				15,074				88,267				—					—				103,341				43,627				1999		2000		(1)

Boston Properties Limited Partnership Schedule 3—Real Estate and Accumulated Depreciation December 31, 2017 (dollars in thousands)
											Original								Costs Capitalized Subsequent to Acquisition				Land and Improvements				Building and Improvements				Land Held for Development					Development and Construction in Progress				Total				Accumulated Depreciation				Year(s) Built/ Renovated		Year(s) Acquired		Depreciable Lives (Years)
Property Name		Type		Location		Encumbrances					Land				Building
Discovery Square		Office		Reston, VA		—					11,198				71,782				18,869				11,146				90,703				—					—				101,849				41,928				2001		2003		(1)
355 Main Street		Office		Cambridge, MA		—					18,863				53,346				27,152				21,098				78,263				—					—				99,361				26,850				1981/1996/2013		2006		(1)
140 Kendrick Street		Office		Needham, MA		—					18,095				66,905				13,502				18,095				80,407				—					—				98,502				28,111				2000		2004		(1)
10 CityPoint		Office		Waltham, MA		—					1,953				85,752				2,670				1,953				88,422				—					—				90,375				4,673				2016		1997		(1)
90 Broadway		Office		Cambridge, MA		—					19,104				52,078				17,001				20,741				67,442				—					—				88,183				19,220				1983/1998/2013		2006		(1)
230 CityPoint		Office		Waltham, MA		—					13,189				49,823				23,619				13,189				73,442				—					—				86,631				26,200				1992		2005		(1)
77 CityPoint		Office		Waltham, MA		—					13,847				60,383				5,598				13,847				65,981				—					—				79,828				23,024				2008		2001		(1)
Waltham Weston Corporate Center		Office		Waltham, MA		—					10,385				60,694				8,043				10,350				68,772				—					—				79,122				29,359				2003		1999		(1)
3625-3635 Peterson Way		Office		Santa Clara, CA		—					63,206				14,879				138				63,206				14,879				138					—				78,223				5,120				1979		2016		(1)
North First Business Park		Office		San Jose, CA		—					58,402				13,069				4,393				23,371				16,583				35,910					—				75,864				15,839				1981		2007		(1)
300 Binney Street		Office		Cambridge, MA		—					18,080				51,262				140				18,080				51,402				—					—				69,482				7,755				2013		2009		(1)
2440 West El Camino Real		Office		Mountain View, CA		—					16,741				51,285				1,287				16,741				52,572				—					—				69,313				10,790				1987/2003		2011		(1)
Wisconsin Place		Office		Chevy Chase, MD		—					—				53,349				14,907				—				68,256				—					—				68,256				19,775				2009		2004		(1)
Reston Corporate Center		Office		Reston, VA		—					9,135				50,857				3,625				9,496				54,121				—					—				63,617				26,178				1984		1998		(1)
New Dominion Technology Park, Bldg. Two		Office		Herndon, VA		—					5,584				51,868				412				5,574				52,290				—					—				57,864				22,801				2004		1998		(1)
200 West Street		Office		Waltham, MA		—					16,148				24,983				8,012				16,148				32,995				—					—				49,143				20,538				1999		1997		(1)
New Dominion Technology Park, Bldg. One		Office		Herndon, VA		32,691					3,880				43,227				1,072				3,880				44,299				—					—				48,179				25,304				2001		1998		(1)
Sumner Square		Office		Washington, DC		—					624				28,745				16,920				958				45,331				—					—				46,289				23,103				1985		1999		(1)
255 Main Street		Office		Cambridge, MA		—					134				25,110				19,927				134				45,037				—					—				45,171				27,878				1987		1997		(1)
University Place		Office		Cambridge, MA		7,407					—				37,091				7,557				27				44,621				—					—				44,648				25,971				1985		1998		(1)
2600 Tower Oaks Boulevard		Office		Rockville, MD		—					4,243				31,125				7,704				4,244				38,828				—					—				43,072				20,529				2001		1998		(1)
Quorum Office Park		Office		Chelmsford, MA		—					3,750				32,454				4,115				4,762				35,557				—					—				40,319				16,211				2001		2000		(1)
500 E Street		Office		Washington, DC		—					109				22,420				11,503				1,569				32,463				—					—				34,032				23,051				1987		1997		(1)
150 Broadway		Office		Cambridge, MA		—					850				25,042				6,535				822				31,605				—					—				32,427				16,477				1999		1997		(1)
325 Main Street		Office		Cambridge, MA		—					174				12,200				11,192				772				22,794				—					—				23,566				12,675				1987/2013		1997		(1)
105 Broadway		Office		Cambridge, MA		—					1,299				12,943				6,108				1,868				18,482				—					—				20,350				13,015				1990		1997		(1)
Lexington Office Park		Office		Lexington, MA		—					998				1,426				17,455				1,073				18,806				—					—				19,879				13,235				1982		1997		(1)
201 Spring Street		Office		Lexington, MA		—					2,849				15,303				(405		)		2,849				14,898				—					—				17,747				7,681				1997		1997		(1)
The Point		Office		Waltham, MA		—					6,395				10,040				409				6,480				10,364				—					—				16,844				714				2015		2007		(1)
690 Folsom Street		Office		San Francisco, CA		—					3,219				11,038				1,157				3,219				12,195				—					—				15,414				1,295				2015		2012		(1)
91 Hartwell Avenue		Office		Lexington, MA		—					784				6,464				7,642				784				14,106				—					—				14,890				9,705				1985		1997		(1)
92-100 Hayden Avenue		Office		Lexington, MA		—					594				6,748				7,452				619				14,175				—					—				14,794				12,329				1985		1997		(1)
181 Spring Street		Office		Lexington, MA		—					1,066				9,520				1,941				1,066				11,461				—					—				12,527				5,109				1999		1997		(1)
195 West Street		Office		Waltham, MA		—					1,611				6,652				3,351				1,611				10,003				—					—				11,614				7,736				1990		1997		(1)
33 Hayden Avenue		Office		Lexington, MA		—					266				3,234				7,744				266				10,978				—					—				11,244				8,067				1979		1997		(1)

Boston Properties Limited Partnership Schedule 3—Real Estate and Accumulated Depreciation December 31, 2017 (dollars in thousands)
											Original								Costs Capitalized Subsequent to Acquisition				Land and Improvements				Building and Improvements				Land Held for Development					Development and Construction in Progress				Total				Accumulated Depreciation				Year(s) Built/ Renovated		Year(s) Acquired		Depreciable Lives (Years)
Property Name		Type		Location		Encumbrances					Land				Building
7501 Boston Boulevard, Building Seven		Office		Springfield, VA		—					665				9,273				314				665				9,587				—					—				10,252				4,732				1997		1997		(1)
250 Binney Street		Office		Cambridge, MA		—					110				4,483				2,939				110				7,422				—					—				7,532				4,922				1983		1997		(1)
7435 Boston Boulevard, Building One		Office		Springfield, VA		—					392				3,822				3,304				486				7,032				—					—				7,518				5,354				1982		1997		(1)
8000 Grainger Court, Building Five		Office		Springfield, VA		—					366				4,282				2,781				453				6,976				—					—				7,429				5,511				1984		1997		(1)
7450 Boston Boulevard, Building Three		Office		Springfield, VA		—					1,165				4,681				1,359				1,327				5,878				—					—				7,205				3,354				1987		1998		(1)
453 Ravendale Drive		Office		Mountain View, CA		—					5,477				1,090				408				5,477				1,498				—					—				6,975				472				1977		2012		(1)
17 Hartwell Avenue		Office		Lexington, MA		—					26				150				6,095				26				6,245				—					—				6,271				1,062				1968		1997		(1)
7300 Boston Boulevard, Building Thirteen		Office		Springfield, VA		—					608				4,773				497				608				5,270				—					—				5,878				2,737				2002		1997		(1)
7601 Boston Boulevard, Building Eight		Office		Springfield, VA		—					200				878				4,359				378				5,059				—					—				5,437				4,107				1986		1997		(1)
7500 Boston Boulevard, Building Six		Office		Springfield, VA		—					138				3,749				1,122				273				4,736				—					—				5,009				3,845				1985		1997		(1)
8000 Corporate Court, Building Eleven		Office		Springfield, VA		—					136				3,071				1,245				686				3,766				—					—				4,452				2,826				1989		1997		(1)
7375 Boston Boulevard, Building Ten		Office		Springfield, VA		—					23				2,685				757				47				3,418				—					—				3,465				2,532				1988		1997		(1)
7374 Boston Boulevard, Building Four		Office		Springfield, VA		—					241				1,605				1,530				303				3,073				—					—				3,376				2,494				1984		1997		(1)
7451 Boston Boulevard, Building Two		Office		Springfield, VA		—					249				1,542				1,346				535				2,602				—					—				3,137				2,357				1982		1997		(1)
32 Hartwell Avenue		Office		Lexington, MA		—					168				1,943				426				168				2,369				—					—				2,537				1,840				1968/1979/1987		1997		(1)
164 Lexington Road		Office		Billerica, MA		—					592				1,370				117				592				1,487				—					—				2,079				819				1982		1997		(1)
The Avant at Reston Town Center		Residential		Reston, VA		—					20,350				91,995				830				20,350				92,825				—					—				113,175				9,780				2014		2010		(1)
The Lofts at Atlantic Wharf		Residential		Boston, MA		—					3,529				54,891				1,768				3,529				56,659				—					—				60,188				9,622				2011		2007		(1)
Boston Marriott Cambridge		Hotel		Cambridge, MA		—					478				37,918				35,908				478				73,826				—					—				74,304				47,101				1986		1997		(1)
Kendall Center Green Garage		Garage		Cambridge, MA		—					—				35,035				7,034				—				42,069				—					—				42,069				10,687				1984		2006		(1)
Kendall Center Yellow Garage		Garage		Cambridge, MA		—					1,256				15,697				909				1,256				16,606				—					—				17,862				5,024				2006		2004		(1)
Kendall Center Blue Garage		Garage		Cambridge, MA		—					1,163				11,633				618				1,163				12,251				—					—				13,414				8,834				1990		1997		(1)
Salesforce Tower		Development		San Francisco, CA		—					—				—				947,106				200,349				55,318				—					691,439				947,106				116				N/A		2013		N/A
Signature at Reston		Development		Reston, VA		—					—				—				203,650				—				—				—					203,650				203,650				—				N/A		2013		N/A
Proto Kendall Square		Development		Cambridge, MA		—					—				—				82,905				—				—				—					82,905				82,905				—				N/A		2015		N/A
145 Broadway		Development		Cambridge, MA		—					121				—				79,776				121				—				—					79,776				79,897				—				NA		1997		N/A
191 Spring Street		Development		Lexington, MA		—					2,850				27,166				34,542				2,850				45,957				—					15,751				64,558				18,934				1971/1995		1997		(1)
6595 Springfield Center Drive (TSA Headquarters)		Development		Springfield, VA		—					—				—				41,918				—				—				—					41,918				41,918				—				N/A		2007		N/A

Boston Properties Limited Partnership Schedule 3—Real Estate and Accumulated Depreciation December 31, 2017 (dollars in thousands)
											Original								Costs Capitalized Subsequent to Acquisition				Land and Improvements				Building and Improvements				Land Held for Development					Development and Construction in Progress				Total				Accumulated Depreciation				Year(s) Built/ Renovated		Year(s) Acquired		Depreciable Lives (Years)
Property Name		Type		Location		Encumbrances					Land				Building
MacArthur Station Residences		Development		Oakland, CA		—					—				—				37,644				—				—				—					37,644				37,644				—				N/A		N/A		N/A
20 CityPoint		Development		Waltham, MA		—					—				—				13,056				—				—				—					13,056				13,056				—				N/A		2007		N/A
Tower Oaks Master Plan		Land		Rockville, MD		—					—				—				29,419				—				—				29,419					—				29,419				—				N/A		1998		N/A
Plaza at Almaden		Land		San Jose, CA		—					—				—				29,085				—				—				29,085					—				29,085				—				N/A		2006		N/A
Springfield Metro Center		Land		Springfield, VA		—					—				—				19,684				—				—				19,684					—				19,684				—				N/A		2007		N/A
214 Third Avenue		Land		Waltham, MA		—					—				—				13,815				—				—				13,815					—				13,815				—				N/A		2006		N/A
Reston Gateway		Land		Reston, VA		—					—				—				13,730				—				—				13,730					—				13,730				—				N/A		1998		N/A
103 Fourth Avenue		Land		Waltham, MA		—					—				—				12,115				—				—				12,115					—				12,115				—				N/A		2007		N/A
Crane Meadow		Land		Marlborough, MA		—					—				—				8,836				—				—				8,836					—				8,836				—				N/A		2000		N/A
Washingtonian North		Land		Gaithersburg, MD		—					—				—				7,645				—				—				7,645					—				7,645				—				N/A		1998		N/A
2100 Pennsylvania Avenue		Land		Washington, DC		—					—				—				6,543				—				—				6,543					—				6,543				—				N/A		N/A		N/A
Fourth and Harrison		Land		San Francisco, CA		—					—				—				5,659				—				—				5,659					—				5,659				—				N/A		N/A		N/A
North First Master Plan		Land		San Jose, CA		—					—				—				3,018				—				—				3,018					—				3,018				—				N/A		2007		N/A
Broad Run Business Park		Land		Loudoun County, VA		—					—				—				2,367				—				—				2,367					—				2,367				—				N/A		1998		N/A
Kendall Center Master Plan		Land		Cambridge, MA		—					—				—				2,207				—				—				2,207					—				2,207				—				N/A		N/A		N/A
Weston Quarry		Land		Weston, MA		—					—				—				1,194				—				—				1,194					—				1,194				—				N/A		2001		N/A
Reston Overlook Master Plan		Land		Reston, VA		—					—				—				39				—				—				39					—				39				—				N/A		2000		N/A
						$	2,979,281		(2	)	$	4,762,002			$	11,634,050			$	4,251,184			$	4,976,303			$	14,196,670			$	204,925		(3	)	$	1,269,338			$	20,647,236			$	4,473,895

Note: Total Real Estate does not include Furniture, Fixtures and Equipment totaling approximately $37,928. Accumulated Depreciation does not include approximately $23,064 of accumulated depreciation related to Furniture, Fixtures and Equipment.

The aggregate cost and accumulated depreciation for tax purposes was approximately $19.3 billion and $4.1 billion, respectively.

(1)	Depreciation of the buildings and improvements are calculated over lives ranging from the life of the lease to 40 years.

(2)	Includes unamortized deferred financing costs totaling approximately $(34.7) million.

(3)	Includes pre-development costs.

Boston Properties Limited Partnership

Real Estate and Accumulated Depreciation

December 31, 2017, 2016 and 2015

(dollars in thousands)

A summary of activity for real estate and accumulated depreciation is as follows:

		2017				2016				2015
Real Estate:
Balance at the beginning of the year		$	19,701,185			$	19,031,289			$	18,786,572
Additions to/improvements of real estate		1,099,286				977,287				700,792
Assets sold/written-off		(153,235		)		(307,391		)		(456,075		)
Balance at the end of the year		$	20,647,236			$	19,701,185			$	19,031,289
Accumulated Depreciation:
Balance at the beginning of the year		$	4,116,020			$	3,826,862			$	3,458,640
Depreciation expense		488,919				548,397				478,457
Assets sold/written-off		(131,044		)		(259,239		)		(110,235		)
Balance at the end of the year		$	4,473,895			$	4,116,020			$	3,826,862

Note: Real Estate and Accumulated Depreciation amounts do not include Furniture, Fixtures and Equipment.

(b) Exhibits

2.1		—	Transfer Agreement, dated May 31, 2013, by and among BP 767 Fifth LLC, Sungate Fifth Avenue LLC, 767 LLC and BP/DC 767 Fifth LLC. (Incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K of Boston Properties, Inc. filed on June 3, 2013.)
2.2		—	Purchase and Sale Agreement by and among NBIM Walker 601 LEX NYC LLC, NBIM Walker 100 FED BOS LLC, NBIM Walker ATW BOS LLC and Boston Properties Limited Partnership, dated September 16, 2014. (Incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K of Boston Properties Limited Partnership filed on September 18, 2014.)
3.1		—	Form of Amended and Restated Certificate of Incorporation of Boston Properties, Inc. (Incorporated by reference to Exhibit 3.1 to Boston Properties, Inc.’s Registration Statement on Form S-11, File No. 333-25279.)
3.2		—	Amended and Restated Certificate of Designations of Series E Junior Participating Cumulative Preferred Stock of Boston Properties, Inc. (Incorporated by reference to Exhibit 3.1 to Boston Properties, Inc.’s Current Report on Form 8-K filed on June 18, 2007.)
3.3		—	Certificate of Amendment of Amended and Restated Certificate of Incorporation of Boston Properties, Inc. (Incorporated by reference to Exhibit 3.1 to Boston Properties, Inc.’s Current Report on Form 8-K filed on May 20, 2010.)
3.4		—	Certificate of Designations of 92,000 shares of 5.25% Series B Cumulative Redeemable Preferred Stock of Boston Properties, Inc. (Incorporated by reference to Exhibit 3.3 to the Registration Statement on Form 8-A of Boston Properties, Inc. filed on March 22, 2013.)
3.5		—	Third Amended and Restated By-laws of Boston Properties, Inc. (Incorporated by reference to Exhibit 3.1 to the Current Report on Form 8-K of Boston Properties, Inc. filed on May 19, 2016.)
3.6		—	Form of Certificate of Designations for Series A Preferred Stock. (Incorporated by reference to Exhibit 99.26 to Boston Properties, Inc.’s Current Report on Form 8-K filed on November 25, 1998.)
4.1		—	Form of Common Stock Certificate. (Incorporated by reference to Exhibit 4.3 to Boston Properties, Inc.’s Registration Statement on Form S-11, File No. 333-25279.)
4.2		—	Master Deposit Agreement among Boston Properties, Inc., Computershare Inc. and Computershare Trust Company, N.A., collectively, as depositary, and the holders from time to time of depositary shares as described therein, dated March 22, 2013. (Incorporated by reference to Exhibit 4.1 to the Registration Statement on Form 8-A of Boston Properties, Inc. filed on March 22, 2013.)
4.3		—	Indenture, dated as of December 13, 2002, by and between Boston Properties Limited Partnership and The Bank of New York, as Trustee. (Incorporated by reference to Exhibit 4.1 to Boston Properties, Inc.’s Current Report on Form 8-K/A filed on December 13, 2002.)
4.4		—	Supplemental Indenture No. 8, dated as of October 9, 2009, between Boston Properties Limited Partnership and The Bank of New York Mellon Trust Company, N.A., as Trustee, including a form of the 5.875% Senior Note due 2019. (Incorporated by reference to Exhibit 4.1 to the Current Report on Form 8-K of Boston Properties Limited Partnership filed on October 9, 2009.)
4.5		—	Supplemental Indenture No. 9, dated as of April 19, 2010, between Boston Properties Limited Partnership and The Bank of New York Mellon Trust Company, N.A., as Trustee, including a form of the 5.625% Senior Note due 2020. (Incorporated by reference to Exhibit 4.1 to the Current Report on Form 8-K of Boston Properties Limited Partnership filed on April 19, 2010.)
4.6		—	Supplemental Indenture No. 10, dated as of November 18, 2010, between Boston Properties Limited Partnership and The Bank of New York Mellon Trust Company, N.A., as Trustee, including a form of the 4.125% Senior Note due 2021 (Incorporated by reference to Exhibit 4.1 to the Current Report on Form 8-K of Boston Properties Limited Partnership filed on November 18, 2010.)
4.7		—	Supplemental Indenture No. 12, dated as of June 11, 2012, between Boston Properties Limited Partnership and The Bank of New York Mellon Trust Company, N.A., as Trustee, including a form of the 3.85% Senior Note due 2023. (Incorporated by reference to Exhibit 4.1 to the Current Report on Form 8-K of Boston Properties Limited Partnership filed on June 11, 2012.)

4.8		—	Supplemental Indenture No. 13, dated as of April 11, 2013, between Boston Properties Limited Partnership and The Bank of New York Mellon Trust Company, N.A., as Trustee, including a form of the 3.125% Senior Note due 2023. (Incorporated by reference to Exhibit 4.1 to the Current Report on Form 8-K of Boston Properties Limited Partnership filed on April 11, 2013.)
4.9		—	Supplemental Indenture No. 14, dated as of June 27, 2013, between Boston Properties Limited Partnership and The Bank of New York Mellon Trust Company, N.A., as Trustee, including a form of the 3.800% Senior Note due 2024. (Incorporated by reference to Exhibit 4.1 to the Current Report on Form 8-K of Boston Properties Limited Partnership filed on July 1, 2013.)
4.10		—	Supplemental Indenture No. 15, dated as of January 20, 2016, between Boston Properties Limited Partnership and The Bank of New York Mellon Trust Company, N.A., as Trustee, including a form of the 3.650% Senior Note due 2026. (Incorporated by reference to Exhibit 4.1 to the Current Report on Form 8-K of Boston Properties Limited Partnership filed on January 20, 2016.)
4.11		—	Supplemental Indenture No. 16, dated as of August 17, 2016, between Boston Properties Limited Partnership and The Bank of New York Mellon Trust Company, N.A., as Trustee; including a form of the 2.750% Senior Note due 2026. (Incorporated by reference to Exhibit 4.1 to the Current Report on Form 8-K of Boston Properties Limited Partnership and Boston Properties, Inc. filed on August 17, 2016.)
4.12		—	Supplemental Indenture No. 17, dated as of December 4, 2017, between Boston Properties Limited Partnership and The Bank of New York Mellon Trust Company, N.A., as Trustee; including a form of the 3.200% Senior Note due 2025. (Incorporated by reference to Exhibit 4.1 to the Current Report on Form 8-K of Boston Properties Limited Partnership and Boston Properties, Inc. filed on December 4, 2017.)
10.1		—	Second Amended and Restated Agreement of Limited Partnership of Boston Properties Limited Partnership, dated as of June 29, 1998. (Incorporated by reference to Exhibit 99.1 to Boston Properties, Inc.’s Current Report on Form 8-K filed on July 15, 1998.)
10.2		—	Certificate of Designations for the Series Four Preferred Units, dated as of August 29, 2012, constituting an amendment to the Second Amended and Restated Agreement of Limited Partnership of Boston Properties Limited Partnership. (Incorporated by reference to Exhibit 10.1 to the Current Report on Form 10-Q of Boston Properties, Inc. filed on November 8, 2012.)
10.3		—	Certificate of Designations for the 5.25% Series B Cumulative Redeemable Preferred Units, dated as of March 20, 2013, constituting an amendment to the Second Amended and Restated Agreement of Limited Partnership of Boston Properties Limited Partnership. (Incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K of Boston Properties, Inc. filed on March 22, 2013.)
10.4*		—	Forty-Seventh Amendment to the Second Amended and Restated Agreement of Limited Partnership of Boston Properties Limited Partnership, dated as of April 11, 2003, by Boston Properties, Inc., as general partner. (Incorporated by reference to Exhibit 10.1 to Boston Properties, Inc.’s Quarterly Report on Form 10-Q filed on August 14, 2003.)
10.5*		—	Seventy-Seventh Amendment to the Second Amended and Restated Agreement of Limited Partnership of Boston Properties Limited Partnership, dated as of January 24, 2008, by Boston Properties, Inc., as general partner. (Incorporated by reference to Exhibit 10.3 to Boston Properties, Inc.’s Current Report on Form 8-K filed on January 29, 2008.)
10.6		—	Ninety-Eighth Amendment to the Second Amended and Restated Agreement of Limited Partnership of Boston Properties Limited Partnership, dated as of October 21, 2010. (Incorporated by reference to Exhibit 10.1 to Boston Properties, Inc.’s Quarterly Report on Form 10-Q filed on November 5, 2010.)
10.7			One Hundred Forty-Ninth Amendment to the Second Amended and Restated Agreement of Limited Partnership of Boston Properties Limited Partnership, dated as of December 15, 2017. (Filed herewith.)
10.8*		—	Boston Properties, Inc. 2012 Stock Option and Incentive Plan. (Incorporated by reference to Exhibit A to Boston Properties, Inc.’s Proxy Statement on Schedule 14A filed on March 30, 2012.)
10.9*		—	Boston Properties, Inc. 1999 Non-Qualified Employee Stock Purchase Plan. (Incorporated by reference to Exhibit 10.59 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on March 15, 2005.)
10.10*		—	First Amendment to the Boston Properties, Inc. 1999 Non-Qualified Employee Stock Purchase Plan. (Incorporated by reference to Exhibit 10.60 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on March 15, 2005.)

10.11*		—	Second Amendment to the Boston Properties, Inc. 1999 Non-Qualified Employee Stock Purchase Plan. (Incorporated by reference to Exhibit 10.61 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on March 15, 2005.)
10.12*		—	Boston Properties Deferred Compensation Plan, Amended and Restated Effective as of January 1, 2009. (Incorporated by reference to Exhibit 10.10 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on March 2, 2009.)
10.13*		—	Employment Agreement by and between Owen D. Thomas and Boston Properties, Inc. dated March 10, 2013. (Incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K of Boston Properties, Inc. filed on March 11, 2013.)
10.14*		—	Employment Agreement by and between Douglas T. Linde and Boston Properties, Inc. dated as of November 29, 2002. (Incorporated by reference to Exhibit 10.12 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on February 27, 2003.)
10.15*		—	First Amendment to Employment Agreement, dated as of November 1, 2007, by and between Boston Properties, Inc. and Douglas T. Linde. (Incorporated by reference to Exhibit 10.3 to Boston Properties, Inc.’s Quarterly Report on Form 10-Q filed on November 9, 2007.)
10.16*		—	Second Amendment to Employment Agreement, dated as of December 15, 2008, by and between Boston Properties, Inc. and Douglas T. Linde. (Incorporated by reference to Exhibit 10.19 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on March 2, 2009.)
10.17*		—	Amended and Restated Employment Agreement by and between Raymond A. Ritchey and Boston Properties, Inc. dated as of November 29, 2002. (Incorporated by reference to Exhibit 10.15 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on February 27, 2003.)
10.18*		—	First Amendment to Amended and Restated Employment Agreement, dated as of November 1, 2007, by and between Boston Properties, Inc. and Raymond A. Ritchey. (Incorporated by reference to Exhibit 10.4 to Boston Properties, Inc.’s Quarterly Report on Form 10-Q filed on November 9, 2007.)
10.19*		—	Second Amendment to Amended and Restated Employment Agreement, dated as of December 15, 2008, by and between Boston Properties, Inc. and Raymond A. Ritchey. (Incorporated by reference to Exhibit 10.22 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on March 2, 2009.)
10.20*		—	Employment Agreement by and between Michael E. LaBelle and Boston Properties, Inc. dated as of January 24, 2008. (Incorporated by reference to Exhibit 10.2 to Boston Properties, Inc.’s Current Report on Form 8-K filed on January 29, 2008.)
10.21*		—	First Amendment to Employment Agreement, dated as of December 15, 2008, by and between Boston Properties, Inc. and Michael E. LaBelle. (Incorporated by reference to Exhibit 10.27 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on March 2, 2009.)
10.22*		—	Employment Agreement by and between Peter D. Johnston and Boston Properties, Inc. dated as of August 25, 2005. (Incorporated by reference to Exhibit 10.2 to Boston Properties, Inc.’s Quarterly Report on Form 10-Q filed on November 9, 2005.)
10.23*		—	First Amendment to Employment Agreement, dated as of November 1, 2007, by and between Boston Properties, Inc. and Peter D. Johnston. (Incorporated by reference to Exhibit 10.6 to Boston Properties, Inc.’s Quarterly Report on Form 10-Q filed on November 9, 2007.)
10.24*		—	Second Amendment to Employment Agreement, dated as of December 15, 2008, by and between Boston Properties, Inc. and Peter D. Johnston. (Incorporated by reference to Exhibit 10.30 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on March 2, 2009.)
10.25*		—	Employment Agreement by and between Bryan J. Koop and Boston Properties, Inc. dated as of November 29, 2002. (Incorporated by reference to Exhibit 10.10 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on February 27, 2003.)
10.26*		—	First Amendment to Employment Agreement, dated as of November 1, 2007, by and between Boston Properties, Inc. and Bryan J. Koop. (Incorporated by reference to Exhibit 10.7 to Boston Properties, Inc.’s Quarterly Report on Form 10-Q filed on November 9, 2007.)
10.27*		—	Second Amendment to Employment Agreement, dated as of December 15, 2008, by and between Boston Properties, Inc. and Bryan J. Koop. (Incorporated by reference to Exhibit 10.33 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on March 2, 2009.)

10.28*		—	Employment Agreement by and between Robert E. Pester and Boston Properties, Inc. dated as of December 16, 2002. (Incorporated by reference to Exhibit 10.14 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on February 27, 2003.)
10.29*		—	First Amendment to Employment Agreement, dated as of November 1, 2007, by and between Boston Properties, Inc. and Robert E. Pester. (Incorporated by reference to Exhibit 10.9 to Boston Properties, Inc.’s Quarterly Report on Form 10-Q filed on November 9, 2007.)
10.30*		—	Second Amendment to Employment Agreement, dated as of December 15, 2008, by and between Boston Properties, Inc. and Robert E. Pester. (Incorporated by reference to Exhibit 10.40 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on March 2, 2009.)
10.31*		—	Employment Agreement by and between John F. Powers and Boston Properties, Inc. dated as of November 4, 2013. (Incorporated by reference to Exhibit 10.41 to Boston Properties, Inc.'s Annual Report on Form 10-K filed on February 28, 2014.)
10.32*		—	Employment Agreement by and between John F. Powers and Boston Properties, Inc. dated as of January 2, 2018. (Filed herewith.)
10.33*		—	Boston Properties, Inc. Senior Executive Severance Plan. (Incorporated by reference to Exhibit 10.19 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on February 27, 2003.)
10.34*		—	First Amendment to the Boston Properties, Inc. Senior Executive Severance Plan, dated as of October 18, 2007. (Incorporated by reference to Exhibit 10.13 to Boston Properties, Inc.’s Quarterly Report on Form 10-Q filed on November 9, 2007.)
10.35*		—	Second Amendment to the Boston Properties, Inc. Senior Executive Severance Plan, dated as of December 15, 2008. (Incorporated by reference to Exhibit 10.52 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on March 2, 2009.)
10.36*		—	Third Amendment to the Boston Properties, Inc. Senior Executive Severance Plan, dated as of January 8, 2014. (Incorporated by reference to Exhibit 10.48 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on February 28, 2014.)
10.37*		—	Boston Properties, Inc. Executive Severance Plan, dated as of July 30, 1998. (Incorporated by reference to Exhibit 10.20 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on February 27, 2003.)
10.38*		—	First Amendment to the Boston Properties, Inc. Executive Severance Plan, dated as of October 18, 2007. (Incorporated by reference to Exhibit 10.14 to Boston Properties, Inc.’s Quarterly Report on Form 10-Q filed on November 9, 2007.)
10.39*		—	Second Amendment to the Boston Properties, Inc. Executive Severance Plan, dated as of January 8, 2014. (Incorporated by reference to Exhibit 10.51 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on February 28, 2014.)
10.40*		—	Boston Properties, Inc. Officer Severance Plan, dated as of July 30, 1998. (Incorporated by reference to Exhibit 10.15 to Boston Properties, Inc.’s Quarterly Report on Form 10-Q filed on November 9, 2007.)
10.41*		—	First Amendment to the Boston Properties, Inc. Officer Severance Plan, dated as of October 18, 2007. (Incorporated by reference to Exhibit 10.16 to Boston Properties, Inc.’s Quarterly Report on Form 10-Q filed on November 9, 2007.)
10.42*		—	Second Amendment to the Boston Properties, Inc. Officer Severance Plan, dated as of December 15, 2008. (Incorporated by reference to Exhibit 10.57 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on March 2, 2009.)
10.43		—	Form of Indemnification Agreement by and among Boston Properties, Inc., Boston Properties Limited Partnership and certain officers and directors of the Company. (Incorporated by reference to Exhibit 10.1 to Boston Properties, Inc.’s Quarterly Report on Form 10-Q filed on August 9, 2004.)
10.44*		—	Director Appointment Agreement, dated as of January 20, 2011, by and between Matthew J. Lustig and Boston Properties, Inc. (Incorporated by reference to Exhibit 10.55 to Boston Properties, Inc.’s Annual Report on Form 10-K filed on February 25, 2011.)
10.45		—	Eighth Amended and Restated Credit Agreement, dated as of April 24, 2017, among Boston Properties Limited Partnership and the lenders identified therein. (Incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K of Boston Properties Limited Partnership filed on April 25, 2017.)
12.1		—	Statement re Computation of Ratios for Boston Properties, Inc. (Filed herewith.)

12.2		—	Statement re Computation of Ratios for Boston Properties Limited Partnership. (Filed herewith.)
21.1		—	Subsidiaries of Boston Properties, Inc. and Boston Properties Limited Partnership (Filed herewith.)
23.1		—	Consent of PricewaterhouseCoopers LLP, Independent Registered Public Accounting firm for Boston Properties, Inc. (Filed herewith.)
23.2		—	Consent of PricewaterhouseCoopers LLP, Independent Registered Public Accounting firm for Boston Properties Limited Partnership. (Filed herewith.)
31.1		—	Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer of Boston Properties, Inc. pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. (Filed herewith.)
31.2		—	Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer of Boston Properties, Inc. pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. (Filed herewith.)
31.3		—	Rule 13a-14(a)/15d-14(a) Certification of Chief Executive Officer of Boston Properties Limited Partnership pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. (Filed herewith.)
31.4		—	Rule 13a-14(a)/15d-14(a) Certification of Chief Financial Officer of Boston Properties Limited Partnership pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. (Filed herewith.)
32.1		—	Section 1350 Certification of Chief Executive Officer of Boston Properties, Inc. pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. (Furnished herewith.)
32.2		—	Section 1350 Certification of Chief Financial Officer of Boston Properties, Inc. pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. (Furnished herewith.)
32.3		—	Section 1350 Certification of Chief Executive Officer of Boston Properties Limited Partnership pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. (Furnished herewith.)
32.4		—	Section 1350 Certification of Chief Financial Officer of Boston Properties Limited Partnership pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. (Furnished herewith.)
101		—	The following materials from Boston Properties, Inc.’s and Boston Properties Limited Partnership’s Annual Reports on Form 10-K for the year ended December 31, 2017 formatted in XBRL (eXtensible Business Reporting Language): (i) the Consolidated Balance Sheets, (ii) the Consolidated Statements of Operations, (iii) the Consolidated Statements of Comprehensive Income, (iv) the Consolidated Statements of Stockholders’ Equity, (v) the Consolidated Statements of Partners’ Capital, (vi) the Consolidated Statements of Cash Flows, and (vii) related notes to these financial statements.
* Indicates management contract or compensatory plan or arrangement required to be filed or incorporated by reference as an exhibit to this Form 10-K pursuant to Item 15(b) of Form 10-K.