Item 15. Exhibits and Financial Statement Schedules.

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Item 15. Exhibits and Financial Statement Schedules.

(a) Financial Statement Schedule


Boston Properties, Inc. Schedule 3—Real Estate and Accumulated Depreciation December 31, 2021 (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	$	2,281,016	$	1,796,252	$	1,532,654	$	260,700	$	1,796,252	$	1,793,354	$	—	$	—	$	3,589,606	$	407,377	1968/2019	2013	(1)
Prudential Center	Office	Boston, MA	—		92,077		948,357		615,973		115,637		1,483,065		192		57,513		1,656,407		678,000		1965/1993/2002/2016-2017	1998/1999/2000	(1)
Embarcadero Center	Office	San Francisco, CA	—		179,697		847,410		480,465		195,987		1,311,585		—		—		1,507,572		692,283		1970/1989	1998-1999	(1)
399 Park Avenue	Office	New York, NY	—		339,200		700,358		366,449		354,107		1,051,900		—		—		1,406,007		405,104		1961/2018	2002	(1)
601 Lexington Avenue	Office	New York, NY	986,898		241,600		494,782		486,028		289,639		932,771		—		—		1,222,410		325,012		1977/1997/2021	2001	(1)
Salesforce Tower	Office	San Francisco, CA	—		200,349		946,205		7,515		200,349		953,720		—		—		1,154,069		99,152		2018	2013	(1)
200 Clarendon Street and Garage	Office	Boston, MA	—		219,543		667,884		222,640		250,560		859,507		—		—		1,110,067		277,388		1976	2010	(1)
250 West 55th Street	Office	New York, NY	—		285,263		603,167		52,298		285,263		655,465		—		—		940,728		159,238		2014	2007	(1)
100 Federal Street	Office	Boston, MA	—		131,067		435,954		138,727		131,067		574,681		—		—		705,748		157,939		1971-1975/2017	2012	(1)
Times Square Tower	Office	New York, NY	—		165,413		380,438		115,843		169,193		492,501		—		—		661,694		232,128		2004	2000	(1)
Carnegie Center	Office	Princeton, NJ	—		142,666		316,856		159,350		94,240		469,216		55,416		—		618,872		236,695		1983-2016	1998/1999/2000/2007/2014/2017/2019	(1)
Atlantic Wharf	Office	Boston, MA	—		63,988		454,537		19,831		63,988		474,368		—		—		538,356		156,879		2011	2007	(1)
599 Lexington Avenue	Office	New York, NY	—		81,040		100,507		247,001		87,852		340,696		—		—		428,548		179,928		1986	1997	(1)
Fountain Square	Office	Reston, VA	—		56,853		306,298		29,595		56,853		335,893		—		—		392,746		94,501		1986-1990	2012	(1)
510 Madison Avenue	Office	New York, NY	—		103,000		253,665		28,825		103,000		282,490		—		—		385,490		90,673		2012	2010	(1)
680 Folsom Street	Office	San Francisco, CA	—		72,545		219,766		8,026		72,545		227,792		—		—		300,337		63,864		2014	2012	(1)
145 Broadway	Office	Cambridge, MA	—		121		273,013		25,992		23,367		275,759		—		—		299,126		18,393		2019	1997	(1)
2200 Pennsylvania Avenue	Office	Washington, DC	—		—		183,541		110,980		105,787		188,734		—		—		294,521		71,983		2011	2008	(1)
South of Market and Democracy Tower	Office	Reston, VA	—		13,603		237,479		21,882		13,687		259,277		—		—		272,964		94,354		2008-2009	2003	(1)
601 Massachusetts Avenue	Office	Washington, DC	—		95,310		165,173		3,965		95,322		169,126		—		—		264,448		36,983		2016	2008	(1)
Bay Colony Corporate Center	Office	Waltham, MA	—		18,789		148,451		80,753		18,789		229,144		60		—		247,993		97,149		1985-1989	2011	(1)
535 Mission Street	Office	San Francisco, CA	—		40,933		148,378		3,501		40,933		151,879		—		—		192,812		37,477		2015	2013	(1)
Mountain View Research Park	Office	Mountain View, CA	—		95,066		68,373		16,801		95,066		85,174		—		—		180,240		24,149		1977-1981/2007-2013	2013	(1)
Reservoir Place	Office	Waltham, MA	—		18,605		104,124		53,945		20,108		156,275		291		—		176,674		79,338		1955/1987/2017	1997/1998	(1)
1330 Connecticut Avenue	Office	Washington, DC	—		25,982		82,311		37,161		27,135		118,319		—		—		145,454		43,174		1984/2018	2004	(1)
One Freedom Square	Office	Reston, VA	—		9,929		84,504		41,978		11,293		125,118		—		—		136,411		60,550		2000	2003	(1)
Kingstowne Towne Center	Office	Alexandria, VA	—		18,021		109,038		3,875		18,062		112,872		—		—		130,934		49,475		2003-2006	2007	(1)


Boston Properties, Inc. Schedule 3—Real Estate and Accumulated Depreciation December 31, 2021 (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 and Two Reston Overlook	Office	Reston, VA	—	16,456	66,192	40,694	16,179	107,163	—	—	123,342	55,487	1999	2000	(1)
140 Kendrick Street	Office	Needham, MA	—	18,095	66,905	37,813	19,092	103,721	—	—	122,813	40,242	2000	2004	(1)
Shady Grove Innovation District	Office	Rockville, MD	—	52,030	64,212	2,676	26,834	34,974	57,110	—	118,918	1,048	1968-1985	2021	(1)
Weston Corporate Center	Office	Weston, MA	—	25,753	92,312	32	25,854	92,243	—	—	118,097	35,329	2010	2001	(1)
17Fifty Presidents Street	Office	Reston, VA	—	—	113,362	44	—	113,406	—	—	113,406	7,840	2020	2013	(1)
Discovery Square	Office	Reston, VA	—	11,198	71,782	21,304	12,533	91,751	—	—	104,284	50,358	2001	2003	(1)
355 Main Street	Office	Cambridge, MA	—	18,863	53,346	24,995	21,173	76,031	—	—	97,204	31,827	1981/1996/2013	2006	(1)
10 CityPoint	Office	Waltham, MA	—	1,953	85,752	6,963	2,290	92,378	—	—	94,668	17,327	2016	1997	(1)
Two Freedom Square	Office	Reston, VA	—	13,930	77,739	(184)	15,420	76,065	—	—	91,485	33,696	2001	2003	(1)
90 Broadway	Office	Cambridge, MA	—	19,104	52,078	18,876	20,785	69,273	—	—	90,058	26,797	1983/1998/2013	2006	(1)
153 & 211 Second Avenue	Office	Waltham, MA	—	33,233	55,940	—	33,233	55,940	—	—	89,173	1,819	1964-2006	2021	(1)
230 CityPoint	Office	Waltham, MA	—	13,189	49,823	23,874	13,807	73,079	—	—	86,886	35,469	1992	2005	(1)
77 CityPoint	Office	Waltham, MA	—	13,847	60,383	11,524	14,023	71,731	—	—	85,754	31,832	2008	2001	(1)
20 CityPoint	Office	Waltham, MA	—	4,887	72,764	7,071	4,887	79,835	—	—	84,722	6,135	2020	2007	(1)
Waltham Weston Corporate Center	Office	Waltham, MA	—	10,385	60,694	12,662	11,097	72,644	—	—	83,741	40,253	2003	1999	(1)
200 West Street	Office	Waltham, MA	—	16,148	24,983	39,592	16,813	63,593	317	—	80,723	19,724	1999/2021	1997	(1)
Sumner Square	Office	Washington, DC	—	624	28,745	49,345	28,548	50,166	—	—	78,714	29,871	1985	1999	(1)
2440 West El Camino Real	Office	Mountain View, CA	—	16,741	51,285	6,290	16,741	57,575	—	—	74,316	17,265	1987/2003	2011	(1)
300 Binney Street	Office	Cambridge, MA	—	18,080	51,262	140	18,080	51,402	—	—	69,482	14,537	2013	2009	(1)
Reston Corporate Center	Office	Reston, VA	—	9,135	50,857	6,236	10,148	56,080	—	—	66,228	32,950	1984	1998	(1)
Wisconsin Place	Office	Chevy Chase, MD	—	—	53,349	12,600	—	65,949	—	—	65,949	28,025	2009	2004	(1)
255 Main Street	Office	Cambridge, MA	—	134	25,110	34,260	548	58,956	—	—	59,504	39,791	1987	1997	(1)
University Place	Office	Cambridge, MA	—	—	37,091	16,512	6,004	47,599	—	—	53,603	33,469	1985	1998	(1)
890 Winter Street	Office	Waltham, MA	—	13,913	28,557	4,745	13,913	33,302	—	—	47,215	3,928	1999	2019	(1)
Capital Gallery	Office	Washington, DC	—	4,725	29,565	9,681	8,662	35,309	—	—	43,971	21,562	1981/2006	2007	(1)
North First Business Park	Office	San Jose, CA	—	23,398	13,069	4,545	23,377	17,635	—	—	41,012	17,017	1981	2007	(1)
150 Broadway	Office	Cambridge, MA	—	850	25,042	2,350	1,323	26,919	—	—	28,242	14,833	1999	1997	(1)
105 Broadway	Office	Cambridge, MA	—	1,299	12,943	12,723	2,395	24,570	—	—	26,965	14,309	1990	1997	(1)
Lexington Office Park	Office	Lexington, MA	—	998	1,426	18,582	1,264	19,551	191	—	21,006	16,012	1982	1997	(1)
The Point	Office	Waltham, MA	—	6,395	10,040	421	6,492	10,364	—	—	16,856	1,984	2015	2007	(1)
690 Folsom Street	Office	San Francisco, CA	—	3,219	11,038	1,877	3,219	12,915	—	—	16,134	3,354	2015	2012	(1)
195 West Street	Office	Waltham, MA	—	1,611	6,652	7,470	1,858	13,875	—	—	15,733	8,842	1990	1997	(1)
33 Hayden Avenue	Office	Lexington, MA	—	266	3,234	11,501	425	14,576	—	—	15,001	6,768	1979	1997	(1)
92-100 Hayden Avenue	Office	Lexington, MA	—	594	6,748	6,259	802	12,799	—	—	13,601	11,468	1985	1997	(1)
7501 Boston Boulevard, Building Seven	Office	Springfield, VA	—	665	9,273	819	791	9,966	—	—	10,757	5,937	1997	1997	(1)


Boston Properties, Inc. Schedule 3—Real Estate and Accumulated Depreciation December 31, 2021 (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
7435 Boston Boulevard, Building One	Office	Springfield, VA	—	392	3,822	5,016	659	8,571	—	—	9,230	7,010	1982	1997	(1)
32 Hartwell Avenue	Office	Lexington, MA	—	168	1,943	6,944	314	8,741	—	—	9,055	2,734	1968/1979/1987	1997	(1)
7450 Boston Boulevard, Building Three	Office	Springfield, VA	—	1,165	4,681	2,613	1,430	7,029	—	—	8,459	4,774	1987	1998	(1)
250 Binney Street	Office	Cambridge, MA	—	110	4,483	3,593	273	7,913	—	—	8,186	6,593	1983	1997	(1)
8000 Grainger Court, Building Five	Office	Springfield, VA	—	366	4,282	3,198	601	7,245	—	—	7,846	6,093	1984	1997	(1)
453 Ravendale Drive	Office	Mountain View, CA	—	5,477	1,090	676	5,477	1,766	—	—	7,243	924	1977	2012	(1)
7300 Boston Boulevard, Building Thirteen	Office	Springfield, VA	—	608	4,773	1,075	661	5,795	—	—	6,456	2,527	2002	1997	(1)
17 Hartwell Avenue	Office	Lexington, MA	—	26	150	6,078	65	6,189	—	—	6,254	3,009	1968	1997	(1)
7601 Boston Boulevard, Building Eight	Office	Springfield, VA	—	200	878	5,045	551	5,572	—	—	6,123	4,986	1986	1997	(1)
7500 Boston Boulevard, Building Six	Office	Springfield, VA	—	138	3,749	1,714	367	5,234	—	—	5,601	4,536	1985	1997	(1)
8000 Corporate Court, Building Eleven	Office	Springfield, VA	—	136	3,071	1,903	774	4,336	—	—	5,110	3,455	1989	1997	(1)
7375 Boston Boulevard, Building Ten	Office	Springfield, VA	—	23	2,685	1,005	93	3,620	—	—	3,713	2,841	1988	1997	(1)
7451 Boston Boulevard, Building Two	Office	Springfield, VA	—	249	1,542	1,858	613	3,036	—	—	3,649	2,806	1982	1997	(1)
7374 Boston Boulevard, Building Four	Office	Springfield, VA	—	241	1,605	1,664	398	3,112	—	—	3,510	2,787	1984	1997	(1)
The Skylyne	Residential	Oakland, CA	—	28,962	239,077	1,097	28,962	240,174	—	—	269,136	8,132	2020	N/A	(1)
Signature at Reston	Residential	Reston, VA	—	27,076	190,580	838	27,076	191,418	—	—	218,494	18,534	2018	2013	(1)
Proto Kendall Square	Residential	Cambridge, MA	—	9,243	127,248	3,336	9,245	130,582	—	—	139,827	11,195	2018	2015	(1)
The Avant at Reston Town Center	Residential	Reston, VA	—	20,350	91,995	846	20,350	92,841	—	—	113,191	19,681	2014	2010	(1)
The Lofts at Atlantic Wharf	Residential	Boston, MA	—	3,529	54,891	2,215	3,529	57,106	—	—	60,635	15,689	2011	2007	(1)
Boston Marriott Cambridge	Hotel	Cambridge, MA	—	478	37,918	35,117	1,201	72,312	—	—	73,513	51,600	1986/2017	1997	(1)
Kendall Center Green Garage	Garage	Cambridge, MA	—	—	35,035	6,846	103	41,778	—	—	41,881	15,818	1984	2006	(1)
Kendall Center Yellow Garage	Garage	Cambridge, MA	—	1,256	15,697	1,552	1,434	17,071	—	—	18,505	6,939	2006	2004	(1)
Kendall Center Blue Garage	Garage	Cambridge, MA	—	1,163	11,633	2,111	1,579	13,328	—	—	14,907	10,399	1990	1997	(1)
Reston Next	Development	Reston, VA	—	—	—	514,182	2,901	250,135	—	261,146	514,182	1,631	N/A	1998	N/A
2100 Pennsylvania Avenue	Development	Washington, DC	—	—	—	393,094	185,203	—	—	207,891	393,094	5,941	N/A	N/A	N/A
325 Main Street	Development	Cambridge, MA	—	174	—	286,000	965	—	—	285,209	286,174	—	N/A	1997	N/A
880 Winter Street	Development	Waltham, MA	—	15,597	37,255	(667)	15,597	19,614	—	16,974	52,185	1,247	1998	2019	N/A
180 CityPoint	Development	Waltham, MA	—	—	—	50,776	—	—	—	50,776	50,776	—	N/A	2006	N/A
103 CityPoint	Development	Waltham, MA	—	—	—	14,663	—	—	—	14,663	14,663	—	N/A	2007	N/A
777 Harrison Street	Land	San Francisco, CA	—	144,647	—	26,800	—	47	171,400	—	171,447	11	N/A	2020	N/A
3625-3635 Peterson Way	Land	Santa Clara, CA	—	63,206	—	4,541	—	—	67,747	—	67,747	—	N/A	2016	N/A


Boston Properties, Inc. Schedule 3—Real Estate and Accumulated Depreciation December 31, 2021 (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
Back Bay Station Master Plan	Land	Boston, MA	—			—		—		53,432		—			—			53,432			—		53,432		—		N/A	N/A	N/A
North First Master Plan	Land	San Jose, CA	—			35,004		—		3,941		—			—			38,945			—		38,945		—		N/A	2007	N/A
Plaza at Almaden	Land	San Jose, CA	—			—		—		37,418		—			—			37,418			—		37,418		—		N/A	2006	N/A
Reston Gateway Master Plan	Land	Reston, VA	—			—		—		30,945		—			—			30,945			—		30,945		—		N/A	1998	N/A
Springfield Metro Center	Land	Springfield, VA	—			—		—		19,887		—			—			19,887			—		19,887		—		N/A	2007	N/A
CityPoint South Master Plan	Land	Waltham, MA	—			—		—		14,890		—			—			14,890			—		14,890		—		N/A	N/A	N/A
Kendall Center Master Plan	Land	Cambridge, MA	—			—		—		8,381		—			—			8,381			—		8,381		—		N/A	1997	N/A
Broad Run Business Park	Land	Loudoun County, VA	—			—		—		2,405		—			—			2,405			—		2,405		—		N/A	1998	N/A
Weston Quarry	Land	Weston, MA	—			—		—		1,249		—			—			1,249			—		1,249		—		N/A	2001	N/A
Reston Overlook Master Plan	Land	Reston, VA	—			—		—		79		—			—			79			—		79		—		N/A	2000	N/A

			$	3,267,914	(2)	$	5,238,614	$	13,216,859	$	5,652,747	$	5,445,112	(3)	$	17,208,581	(4)	$	560,355	(5)	$	894,172	$	24,108,220	$	5,848,183

Note: Total Real Estate does not include Furniture, Fixtures and Equipment totaling approximately $51,695. Accumulated Depreciation does not include approximately $35,778 of accumulated depreciation related to Furniture, Fixtures and Equipment.

The aggregate cost and accumulated depreciation for tax purposes was approximately $21.8 billion and $4.9 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 $(32.1) million.

(3)Includes Right of Use Assets - Finance Leases and Right of Use Assets - Operating Leases of approximately $214,165 and $169,778, respectively.

(4)Includes Right of Use Assets - Finance Leases of approximately $23,342.

(5)Includes pre-development costs.

Boston Properties, Inc.

Real Estate and Accumulated Depreciation

December 31, 2021, 2020 and 2019

(dollars in thousands)

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


	2021		2020		2019
Real Estate:
Balance at the beginning of the year	$	23,303,303	$	22,844,697	$	21,605,545
Additions to/improvements of real estate	1,145,084		996,989		1,671,898
Assets sold/written-off	(340,167)		(538,383)		(432,746)
Balance at the end of the year	$	24,108,220	$	23,303,303	$	22,844,697
Accumulated Depreciation:
Balance at the beginning of the year	$	5,501,637	$	5,239,179	$	4,871,102
Depreciation expense	623,854		573,898		564,938
Assets sold/written-off	(277,308)		(311,440)		(196,861)
Balance at the end of the year	$	5,848,183	$	5,501,637	$	5,239,179

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


Boston Properties Limited Partnership Schedule 3—Real Estate and Accumulated Depreciation December 31, 2021 (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	$	2,281,016	$	1,796,252	$	1,532,654	$	260,700	$	1,796,252	$	1,793,354	$	—	$	—	$	3,589,606	$	407,377	1968/2019	2013	(1)
Prudential Center	Office	Boston, MA	—		92,077		948,357		556,917		100,539		1,439,107		192		57,513		1,597,351		660,321		1965/1993/2002/2016-2017	1998/1999/2000	(1)
Embarcadero Center	Office	San Francisco, CA	—		179,697		847,410		418,084		180,420		1,264,771		—		—		1,445,191		673,363		1970/1989	1998-1999	(1)
399 Park Avenue	Office	New York, NY	—		339,200		700,358		306,841		339,200		1,007,199		—		—		1,346,399		387,131		1961/2018	2002	(1)
601 Lexington Avenue	Office	New York, NY	986,898		241,600		494,782		448,942		279,281		906,043		—		—		1,185,324		314,209		1977/1997/2021	2001	(1)
Salesforce Tower	Office	San Francisco, CA	—		200,349		946,205		7,515		200,349		953,720		—		—		1,154,069		99,152		2018	2013	(1)
200 Clarendon Street and Garage	Office	Boston, MA	—		219,543		667,884		222,640		250,560		859,507		—		—		1,110,067		277,388		1976	2010	(1)
250 West 55th Street	Office	New York, NY	—		285,263		603,167		52,298		285,263		655,465		—		—		940,728		159,238		2014	2007	(1)
100 Federal Street	Office	Boston, MA	—		131,067		435,954		138,727		131,067		574,681		—		—		705,748		157,939		1971-1975/2017	2012	(1)
Times Square Tower	Office	New York, NY	—		165,413		380,438		77,864		159,694		464,021		—		—		623,715		220,676		2004	2000	(1)
Carnegie Center	Office	Princeton, NJ	—		142,666		316,856		144,387		90,498		457,995		55,416		—		603,909		232,183		1983-2016	1998/1999/2000/2007/2014/2017/2019	(1)
Atlantic Wharf	Office	Boston, MA	—		63,988		454,537		19,831		63,988		474,368		—		—		538,356		156,879		2011	2007	(1)
599 Lexington Avenue	Office	New York, NY	—		81,040		100,507		219,759		81,040		320,266		—		—		401,306		171,713		1986	1997	(1)
Fountain Square	Office	Reston, VA	—		56,853		306,298		29,595		56,853		335,893		—		—		392,746		94,501		1986-1990	2012	(1)
510 Madison Avenue	Office	New York, NY	—		103,000		253,665		28,825		103,000		282,490		—		—		385,490		90,673		2012	2010	(1)
680 Folsom Street	Office	San Francisco, CA	—		72,545		219,766		8,026		72,545		227,792		—		—		300,337		63,864		2014	2012	(1)
145 Broadway	Office	Cambridge, MA	—		121		273,013		25,789		23,164		275,759		—		—		298,923		18,393		2019	1997	(1)
2200 Pennsylvania Avenue	Office	Washington, DC	—		—		183,541		110,980		105,787		188,734		—		—		294,521		71,983		2011	2008	(1)
South of Market and Democracy Tower	Office	Reston, VA	—		13,603		237,479		21,546		13,603		259,025		—		—		272,628		94,269		2008-2009	2003	(1)
601 Massachusetts Avenue	Office	Washington, DC	—		95,310		165,173		3,953		95,310		169,126		—		—		264,436		36,983		2016	2008	(1)
Bay Colony Corporate Center	Office	Waltham, MA	—		18,789		148,451		80,753		18,789		229,144		60		—		247,993		97,149		1985-1989	2011	(1)
535 Mission Street	Office	San Francisco, CA	—		40,933		148,378		3,501		40,933		151,879		—		—		192,812		37,477		2015	2013	(1)
Mountain View Research Park	Office	Mountain View, CA	—		95,066		68,373		16,801		95,066		85,174		—		—		180,240		24,149		1977-1981/2007-2013	2013	(1)
Reservoir Place	Office	Waltham, MA	—		18,605		104,124		49,870		19,089		153,219		291		—		172,599		78,109		1955/1987/2017	1997/1998	(1)
1330 Connecticut Avenue	Office	Washington, DC	—		25,982		82,311		32,548		25,982		114,859		—		—		140,841		41,783		1984/2018	2004	(1)
One Freedom Square	Office	Reston, VA	—		9,929		84,504		36,341		9,883		120,891		—		—		130,774		58,850		2000	2003	(1)
Kingstowne Towne Center	Office	Alexandria, VA	—		18,021		109,038		3,711		18,021		112,749		—		—		130,770		49,433		2003-2006	2007	(1)
One and Two Reston Overlook	Office	Reston, VA	—		16,456		66,192		36,276		15,074		103,850		—		—		118,924		54,155		1999	2000	(1)
140 Kendrick Street	Office	Needham, MA	—		18,095		66,905		33,823		18,095		100,728		—		—		118,823		39,039		2000	2004	(1)
Shady Grove Innovation District	Office	Rockville, MD	—		52,030		64,212		2,676		26,834		34,974		57,110		—		118,918		1,048		1968-1985	2021	(1)
Weston Corporate Center	Office	Weston, MA	—		25,753		92,312		32		25,854		92,243		—		—		118,097		35,329		2010	2001	(1)


Boston Properties Limited Partnership Schedule 3—Real Estate and Accumulated Depreciation December 31, 2021 (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
17Fifty Presidents Street	Office	Reston, VA	—	—	113,362	44	—	113,406	—	—	113,406	7,840	2020	2013	(1)
Discovery Square	Office	Reston, VA	—	11,198	71,782	15,759	11,146	87,593	—	—	98,739	48,686	2001	2003	(1)
355 Main Street	Office	Cambridge, MA	—	18,863	53,346	24,697	21,098	75,808	—	—	96,906	31,739	1981/1996/2013	2006	(1)
10 CityPoint	Office	Waltham, MA	—	1,953	85,752	6,800	2,127	92,378	—	—	94,505	17,327	2016	1997	(1)
Two Freedom Square	Office	Reston, VA	—	13,930	77,739	(6,396)	13,866	71,407	—	—	85,273	31,823	2001	2003	(1)
90 Broadway	Office	Cambridge, MA	—	19,104	52,078	18,697	20,741	69,138	—	—	89,879	26,749	1983/1998/2013	2006	(1)
153 & 211 Second Avenue	Office	Waltham, MA	—	33,233	55,940	—	33,233	55,940	—	—	89,173	1,819	1964-2006	2021	(1)
230 CityPoint	Office	Waltham, MA	—	13,189	49,823	22,257	13,403	71,866	—	—	85,269	34,984	1992	2005	(1)
77 CityPoint	Office	Waltham, MA	—	13,847	60,383	11,419	13,997	71,652	—	—	85,649	31,804	2008	2001	(1)
20 CityPoint	Office	Waltham, MA	—	4,887	72,764	7,071	4,887	79,835	—	—	84,722	6,135	2020	2007	(1)
Waltham Weston Corporate Center	Office	Waltham, MA	—	10,385	60,694	9,675	10,350	70,404	—	—	80,754	39,353	2003	1999	(1)
200 West Street	Office	Waltham, MA	—	16,148	24,983	36,931	16,148	61,597	317	—	78,062	18,922	1999/2021	1997	(1)
Sumner Square	Office	Washington, DC	—	624	28,745	47,265	28,028	48,606	—	—	76,634	29,247	1985	1999	(1)
2440 West El Camino Real	Office	Mountain View, CA	—	16,741	51,285	6,290	16,741	57,575	—	—	74,316	17,265	1987/2003	2011	(1)
300 Binney Street	Office	Cambridge, MA	—	18,080	51,262	140	18,080	51,402	—	—	69,482	14,537	2013	2009	(1)
Reston Corporate Center	Office	Reston, VA	—	9,135	50,857	3,625	9,496	54,121	—	—	63,617	32,162	1984	1998	(1)
Wisconsin Place	Office	Chevy Chase, MD	—	—	53,349	12,600	—	65,949	—	—	65,949	28,025	2009	2004	(1)
255 Main Street	Office	Cambridge, MA	—	134	25,110	32,604	134	57,714	—	—	57,848	39,294	1987	1997	(1)
University Place	Office	Cambridge, MA	—	—	37,091	15,062	6,004	46,149	—	—	52,153	32,504	1985	1998	(1)
890 Winter Street	Office	Waltham, MA	—	13,913	28,557	4,745	13,913	33,302	—	—	47,215	3,928	1999	2019	(1)
Capital Gallery	Office	Washington, DC	—	4,725	29,565	5,018	6,128	33,180	—	—	39,308	20,706	1981/2006	2007	(1)
North First Business Park	Office	San Jose, CA	—	23,398	13,069	4,522	23,371	17,618	—	—	40,989	17,011	1981	2007	(1)
150 Broadway	Office	Cambridge, MA	—	850	25,042	345	822	25,415	—	—	26,237	14,225	1999	1997	(1)
105 Broadway	Office	Cambridge, MA	—	1,299	12,943	10,617	1,868	22,991	—	—	24,859	13,674	1990	1997	(1)
Lexington Office Park	Office	Lexington, MA	—	998	1,426	17,818	1,073	18,978	191	—	20,242	15,785	1982	1997	(1)
The Point	Office	Waltham, MA	—	6,395	10,040	421	6,492	10,364	—	—	16,856	1,984	2015	2007	(1)
690 Folsom Street	Office	San Francisco, CA	—	3,219	11,038	1,877	3,219	12,915	—	—	16,134	3,354	2015	2012	(1)
195 West Street	Office	Waltham, MA	—	1,611	6,652	6,481	1,611	13,133	—	—	14,744	8,540	1990	1997	(1)
33 Hayden Avenue	Office	Lexington, MA	—	266	3,234	10,864	266	14,098	—	—	14,364	6,576	1979	1997	(1)
92-100 Hayden Avenue	Office	Lexington, MA	—	594	6,748	5,530	619	12,253	—	—	12,872	11,247	1985	1997	(1)
7501 Boston Boulevard, Building Seven	Office	Springfield, VA	—	665	9,273	314	665	9,587	—	—	10,252	5,783	1997	1997	(1)
7435 Boston Boulevard, Building One	Office	Springfield, VA	—	392	3,822	4,323	486	8,051	—	—	8,537	6,802	1982	1997	(1)
32 Hartwell Avenue	Office	Lexington, MA	—	168	1,943	6,358	168	8,301	—	—	8,469	2,557	1968/1979/1987	1997	(1)
7450 Boston Boulevard, Building Three	Office	Springfield, VA	—	1,165	4,681	2,199	1,327	6,718	—	—	8,045	4,646	1987	1998	(1)
250 Binney Street	Office	Cambridge, MA	—	110	4,483	2,939	110	7,422	—	—	7,532	6,399	1983	1997	(1)


Boston Properties Limited Partnership Schedule 3—Real Estate and Accumulated Depreciation December 31, 2021 (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
8000 Grainger Court, Building Five	Office	Springfield, VA	—	366	4,282	2,604	453	6,799	—	—	7,252	5,916	1984	1997	(1)
453 Ravendale Drive	Office	Mountain View, CA	—	5,477	1,090	676	5,477	1,766	—	—	7,243	924	1977	2012	(1)
7300 Boston Boulevard, Building Thirteen	Office	Springfield, VA	—	608	4,773	863	608	5,636	—	—	6,244	2,463	2002	1997	(1)
17 Hartwell Avenue	Office	Lexington, MA	—	26	150	5,921	26	6,071	—	—	6,097	2,961	1968	1997	(1)
7601 Boston Boulevard, Building Eight	Office	Springfield, VA	—	200	878	4,352	378	5,052	—	—	5,430	4,778	1986	1997	(1)
7500 Boston Boulevard, Building Six	Office	Springfield, VA	—	138	3,749	1,181	234	4,834	—	—	5,068	4,376	1985	1997	(1)
8000 Corporate Court, Building Eleven	Office	Springfield, VA	—	136	3,071	1,552	686	4,073	—	—	4,759	3,346	1989	1997	(1)
7375 Boston Boulevard, Building Ten	Office	Springfield, VA	—	23	2,685	824	47	3,485	—	—	3,532	2,790	1988	1997	(1)
7451 Boston Boulevard, Building Two	Office	Springfield, VA	—	249	1,542	1,545	535	2,801	—	—	3,336	2,711	1982	1997	(1)
7374 Boston Boulevard, Building Four	Office	Springfield, VA	—	241	1,605	1,281	303	2,824	—	—	3,127	2,675	1984	1997	(1)
The Skylyne	Residential	Oakland, CA	—	28,962	239,077	1,097	28,962	240,174	—	—	269,136	8,132	2020	N/A	(1)
Signature at Reston	Residential	Reston, VA	—	27,076	190,580	838	27,076	191,418	—	—	218,494	18,534	2018	2013	(1)
Proto Kendall Square	Residential	Cambridge, MA	—	9,243	127,248	3,336	9,245	130,582	—	—	139,827	11,195	2018	2015	(1)
The Avant at Reston Town Center	Residential	Reston, VA	—	20,350	91,995	846	20,350	92,841	—	—	113,191	19,681	2014	2010	(1)
The Lofts at Atlantic Wharf	Residential	Boston, MA	—	3,529	54,891	2,215	3,529	57,106	—	—	60,635	15,689	2011	2007	(1)
Boston Marriott Cambridge	Hotel	Cambridge, MA	—	478	37,918	32,226	478	70,144	—	—	70,622	50,729	1986/2017	1997	(1)
Kendall Center Green Garage	Garage	Cambridge, MA	—	—	35,035	6,432	—	41,467	—	—	41,467	15,695	1984	2006	(1)
Kendall Center Yellow Garage	Garage	Cambridge, MA	—	1,256	15,697	840	1,256	16,537	—	—	17,793	6,727	2006	2004	(1)
Kendall Center Blue Garage	Garage	Cambridge, MA	—	1,163	11,633	446	1,163	12,079	—	—	13,242	9,900	1990	1997	(1)
Reston Next	Development	Reston, VA	—	—	—	514,182	2,901	250,135	—	261,146	514,182	1,631	N/A	1998	N/A
2100 Pennsylvania Avenue	Development	Washington, DC	—	—	—	393,094	185,203	—	—	207,891	393,094	5,941	N/A	N/A	N/A
325 Main Street	Development	Cambridge, MA	—	174	—	285,807	772	—	—	285,209	285,981	—	N/A	1997	N/A
880 Winter Street	Development	Waltham, MA	—	15,597	37,255	(667)	15,597	19,614	—	16,974	52,185	1,247	1998	2019	N/A
180 CityPoint	Development	Waltham, MA	—	—	—	50,776	—	—	—	50,776	50,776	—	N/A	2006	N/A
103 CityPoint	Development	Waltham, MA	—	—	—	14,663	—	—	—	14,663	14,663	—	N/A	2007	N/A
777 Harrison Street	Land	San Francisco, CA	—	144,647	—	26,800	—	47	171,400	—	171,447	11	N/A	2020	N/A
3625-3635 Peterson Way	Land	Santa Clara, CA	—	63,206	—	4,541	—	—	67,747	—	67,747	—	N/A	2016	N/A
Back Bay Station Master Plan	Land	Boston, MA	—	—	—	53,432	—	—	53,432	—	53,432	—	N/A	N/A	N/A
North First Master Plan	Land	San Jose, CA	—	35,004	—	3,941	—	—	38,945	—	38,945	—	N/A	2007	N/A
Plaza at Almaden	Land	San Jose, CA	—	—	—	37,418	—	—	37,418	—	37,418	—	N/A	2006	N/A
Reston Gateway Master Plan	Land	Reston, VA	—	—	—	30,945	—	—	30,945	—	30,945	—	N/A	1998	N/A
Springfield Metro Center	Land	Springfield, VA	—	—	—	19,887	—	—	19,887	—	19,887	—	N/A	2007	N/A


Boston Properties Limited Partnership Schedule 3—Real Estate and Accumulated Depreciation December 31, 2021 (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
CityPoint South Master Plan	Land	Waltham, MA	—			—		—		14,890		—			—			14,890			—		14,890		—		N/A	N/A	N/A
Kendall Center Master Plan	Land	Cambridge, MA	—			—		—		8,381		—			—			8,381			—		8,381		—		N/A	1997	N/A
Broad Run Business Park	Land	Loudoun County, VA	—			—		—		2,405		—			—			2,405			—		2,405		—		N/A	1998	N/A
Weston Quarry	Land	Weston, MA	—			—		—		1,249		—			—			1,249			—		1,249		—		N/A	2001	N/A
Reston Overlook Master Plan	Land	Reston, VA	—			—		—		79		—			—			79			—		79		—		N/A	2000	N/A

			$	3,267,914	(2)	$	5,238,614	$	13,216,859	$	5,279,360	$	5,348,929	(3)	$	16,931,377	(4)	$	560,355	(5)	$	894,172	$	23,734,833	$	5,736,240

The aggregate cost and accumulated depreciation for tax purposes was approximately $24.2 billion and $5.4 billion, respectively.