Schedule III Properties And Accumulated Depreciation

12 Months Ended

Dec. 31, 2017

SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]



	Metropolitan Area	Encumbrances	Initial costs			Costs capitalized subsequent to acquisition				Total costs				Accumulated depreciation and amortization		Date of acquisition or construction	Acquisition (A) or construction (C)
	Metropolitan Area	Encumbrances	Land	Acquired ground lease	Buildings and improvements	Improvements		Carrying costs		Land	Acquired ground lease	Buildings and improvements	Total	Accumulated depreciation and amortization		Date of acquisition or construction	Acquisition (A) or construction (C)
PROPERTIES:
36 NE 2nd Street	Miami	—	1,942	—	24,184	22,089		—		1,970	—	46,245	48,215	(15,363	)	2002	(A)
2323 Bryan Street	Dallas	—	1,838	—	77,604	53,297		—		1,838	—	130,901	132,739	(66,339	)	2002	(A)
300 Boulevard East	New York	—	5,140	—	48,526	61,913		—		5,140	—	110,439	115,579	(64,836	)	2002	(A)
2334 Lundy Place	Silicon Valley	—	3,607	—	23,008	67		—		3,607	—	23,075	26,682	(10,277	)	2002	(A)
2440 Marsh Lane	Dallas	—	1,477	—	10,330	73,380		—		1,486	—	83,701	85,187	(61,783	)	2003	(A)
375 Riverside Parkway	Atlanta	—	1,250	—	11,578	31,629		—		1,250	—	43,207	44,457	(29,212	)	2003	(A)
4849 Alpha Road	Dallas	—	2,983	—	10,650	43,947		—		2,983	—	54,597	57,580	(29,230	)	2004	(A)
600 West Seventh Street	Los Angeles	—	18,478	—	50,824	58,286		—		18,478	—	109,110	127,588	(64,113	)	2004	(A)
2045 & 2055 Lafayette Street	Silicon Valley	—	6,065	—	43,817	15		—		6,065	—	43,832	49,897	(18,230	)	2004	(A)
11830 Webb Chapel Road	Dallas	—	5,881	—	34,473	2,355		—		5,881	—	36,828	42,709	(16,371	)	2004	(A)
150 South First Street	Silicon Valley	—	2,068	—	29,214	1,499		—		2,068	—	30,713	32,781	(12,707	)	2004	(A)
200 Paul Avenue	San Francisco	—	14,427	—	75,777	98,738		—		14,445	—	174,497	188,942	(79,960	)	2004	(A)
1100 Space Park Drive	Silicon Valley	—	5,130	—	18,206	35,841		—		5,130	—	54,047	59,177	(31,604	)	2004	(A)
3015 Winona Avenue	Los Angeles	—	6,534	—	8,356	6		—		6,534	—	8,362	14,896	(3,643	)	2004	(A)
1125 Energy Park Drive	Minneapolis	—	2,775	—	10,761	(5,668	)	(5,900	)	2,775	—	5,093	7,868	(4,002	)	2005	(A)
350 East Cermak Road	Chicago	—	8,466	—	103,232	269,616		—		8,620	—	372,694	381,314	(214,241	)	2005	(A)



	Metropolitan Area	Encumbrances		Initial costs			Costs capitalized subsequent to acquisition			Total costs				Accumulated depreciation and amortization		Date of acquisition or construction	Acquisition (A) or construction (C)
	Metropolitan Area	Encumbrances		Land	Acquired ground lease	Buildings and improvements	Improvements		Carrying costs	Land	Acquired ground lease	Buildings and improvements	Total	Accumulated depreciation and amortization		Date of acquisition or construction	Acquisition (A) or construction (C)
PROPERTIES:
8534 Concord Center Drive	Denver	—		2,181	—	11,561	749		—	2,181	—	12,310	14,491	(5,150	)	2005	(A)
2401 Walsh Street	Silicon Valley	—		5,775	—	19,267	37		—	5,775	—	19,304	25,079	(8,229	)	2005	(A)
2403 Walsh Street	Silicon Valley	—		5,514	—	11,695	48		—	5,514	—	11,743	17,257	(5,292	)	2005	(A)
200 North Nash Street	Los Angeles	—		4,562	—	12,503	232		—	4,562	—	12,735	17,297	(6,279	)	2005	(A)
731 East Trade Street	Charlotte	2,370	⁽¹⁾	1,748	—	5,727	267		—	1,748	—	5,994	7,742	(2,416	)	2005	(A)
113 North Myers	Charlotte	—		1,098	—	3,127	2,907		—	1,098	—	6,034	7,132	(2,343	)	2005	(A)
125 North Myers	Charlotte	—		1,271	—	3,738	6,329		—	1,271	—	10,067	11,338	(7,578	)	2005	(A)
Paul van Vlissingenstraat 16	Amsterdam	—		—	—	15,255	28,294		—	—	—	43,549	43,549	(18,897	)	2005	(A)
600-780 S. Federal	Chicago	—		7,849	—	27,881	33,444		—	7,849	—	61,325	69,174	(17,051	)	2005	(A)
115 Second Avenue	Boston	—		1,691	—	12,569	11,458		—	1,691	—	24,027	25,718	(14,640	)	2005	(A)
Chemin de l’Epinglier 2	Geneva	—		—	—	20,071	357		—	—	—	20,428	20,428	(8,060	)	2005	(A)
7500 Metro Center Drive	Austin	—		1,177	—	4,877	67,433		—	1,177	—	72,310	73,487	(10,780	)	2005	(A)
3 Corporate Place	New York	—		1,543	—	12,678	85,503		—	1,543	—	98,181	99,724	(81,615	)	2005	(A)
1115 Centennial Avenue	New York	—		581	—	—	41,544		—	581	—	41,544	42,125	—		2005	(C)
4025 Midway Road	Dallas	—		2,196	—	14,037	29,777		—	2,196	—	43,814	46,010	(29,196	)	2006	(A)
Clonshaugh Industrial Estate	Dublin	—		—	1,444	5,569	2,091		—	—	99	9,005	9,104	(5,635	)	2006	(A)
6800 Millcreek Drive	Toronto	—		1,657	—	11,352	2,285		—	1,657	—	13,637	15,294	(6,451	)	2006	(A)
101 Aquila Way	Atlanta	—		1,480	—	34,797	(14,520	)	—	1,480	—	20,277	21,757	—		2006	(A)
Digital Houston	Houston	—		6,965	—	23,492	146,391		—	6,965	—	169,883	176,848	(58,292	)	2006	(A)
120 E Van Buren	Phoenix	—		4,524	—	157,822	118,049		—	4,524	—	275,871	280,395	(127,847	)	2006	(A)



	Metropolitan Area	Encumbrances	Initial costs			Costs capitalized subsequent to acquisition			Total costs				Accumulated depreciation and amortization		Date of acquisition or construction	Acquisition (A) or construction (C)
	Metropolitan Area	Encumbrances	Land	Acquired ground lease	Buildings and improvements	Improvements		Carrying costs	Land	Acquired ground lease	Buildings and improvements	Total	Accumulated depreciation and amortization		Date of acquisition or construction	Acquisition (A) or construction (C)
PROPERTIES:
Gyroscoopweg 2E-2F	Amsterdam	—	—	—	13,450	(809	)	—	—	—	12,641	12,641	(5,065	)	2006	(A)
Clonshaugh Industrial Estate II	Dublin	—	—	—	—	82,828		—	—	—	82,828	82,828	(45,139	)	2006	(C)
600 Winter Street	Boston	—	1,429	—	6,228	456		—	1,429	—	6,684	8,113	(2,369	)	2006	(A)
2300 NW 89th Place	Miami	—	1,022	—	3,767	19		—	1,022	—	3,786	4,808	(1,645	)	2006	(A)
2055 East Technology Circle	Phoenix	—	—	—	8,519	27,727		—	—	—	36,246	36,246	(27,758	)	2006	(A)
Unit 9, Blanchardstown Corporate Park	Dublin	—	1,927	—	40,024	27,103		—	1,738	—	67,316	69,054	(23,961	)	2006	(A)
111 8th Avenue	New York	—	—	—	17,688	23,442		—	—	—	41,130	41,130	(29,675	)	2006	(A)
8100 Boone Boulevard	N. Virginia	—	—	—	158	1,272		—	—	—	1,430	1,430	(1,268	)	2006	(A)
21110 Ridgetop Circle	N. Virginia	—	2,934	—	14,311	1,307		—	2,934	—	15,618	18,552	(5,634	)	2007	(A)
3011 Lafayette Street	Silicon Valley	—	3,354	—	10,305	50,027		—	3,354	—	60,332	63,686	(49,943	)	2007	(A)
44470 Chilum Place	N. Virginia	—	3,531	—	37,360	1		—	3,531	—	37,361	40,892	(11,118	)	2007	(A)
43881 Devin Shafron Drive	N. Virginia	—	4,653	—	23,631	94,180		—	4,653	—	117,811	122,464	(90,464	)	2007	(A)
43831 Devin Shafron Drive	N. Virginia	—	3,027	—	16,247	1,382		—	3,027	—	17,629	20,656	(5,836	)	2007	(A)
43791 Devin Shafron Drive	N. Virginia	—	3,490	—	17,444	77,003		—	3,490	—	94,447	97,937	(54,108	)	2007	(A)
Mundells Roundabout	London	—	31,354	—	—	45,616		—	21,539	—	55,431	76,970	(12,931	)	2007	(C)
1500 Space Park Drive	Silicon Valley	—	6,732	—	6,325	46,196		—	4,106	—	55,147	59,253	(50,825	)	2007	(A)
Cressex 1	London	—	3,629	—	9,036	21,090		—	2,598	—	31,157	33,755	(19,656	)	2007	(A)
Naritaweg 52	Amsterdam	—	—	1,192	23,441	(4,214	)	—	—	981	19,438	20,419	(5,816	)	2007	(A)
1 St. Anne’s Boulevard	London	—	1,490	—	1,045	(701	)	—	1,034	—	800	1,834	(203	)	2007	(A)



	Metropolitan Area	Encumbrances	Initial costs			Costs capitalized subsequent to acquisition			Total costs				Accumulated depreciation and amortization		Date of acquisition or construction	Acquisition (A) or construction (C)
	Metropolitan Area	Encumbrances	Land	Acquired ground lease	Buildings and improvements	Improvements		Carrying costs	Land	Acquired ground lease	Buildings and improvements	Total	Accumulated depreciation and amortization		Date of acquisition or construction	Acquisition (A) or construction (C)
PROPERTIES:
2 St. Anne’s Boulevard	London	—	922	—	695	34,613		—	689	—	35,541	36,230	(5,860	)	2007	(A)
3 St. Anne’s Boulevard	London	—	22,079	—	16,351	85,898		—	15,189	—	109,139	124,328	(55,453	)	2007	(A)
365 South Randolphville Road	New York	—	3,019	—	17,404	290,404		—	3,019	—	307,808	310,827	(112,084	)	2008	(A)
701 & 717 Leonard Street	Dallas	—	2,165	—	9,934	835		—	2,165	—	10,769	12,934	(2,911	)	2008	(A)
Manchester Technopark	Manchester	—	—	—	23,918	(7,223	)	—	—	—	16,695	16,695	(4,560	)	2008	(A)
1201 Comstock Street	Silicon Valley	—	2,093	—	1,606	26,841		—	3,398	—	27,142	30,540	(18,365	)	2008	(A)
1550 Space Park Drive	Silicon Valley	—	2,301	—	766	2,649		—	2,056	—	3,660	5,716	—		2008	(A)
1525 Comstock Street	Silicon Valley	—	2,293	—	16,216	30,980		—	2,061	—	47,428	49,489	(30,883	)	2008	(C)
43830 Devin Shafron Drive	N. Virginia	—	5,509	—	—	73,893		—	5,509	—	73,893	79,402	(36,654	)	2009	(C)
1232 Alma Road	Dallas	—	2,267	—	3,740	64,717		—	2,266	—	68,458	70,724	(37,895	)	2009	(A)
900 Quality Way	Dallas	—	1,446	—	1,659	69,251		—	1,437	—	70,919	72,356	(17,711	)	2009	(A)
1210 Integrity Drive	Dallas	—	2,041	—	3,389	151,385		—	3,429	—	153,386	156,815	(2,344	)	2009	(A)
907 Security Row	Dallas	—	333	—	344	97,522		—	2,112	—	96,087	98,199	(6,008	)	2009	(A)
908 Quality Way	Dallas	—	6,730	—	4,493	13,873		—	2,067	—	23,029	25,096	(16,779	)	2009	(A)
904 Quality Way	Dallas	—	760	—	744	6,819		—	1,151	—	7,172	8,323	(1,004	)	2009	(A)
1215 Integrity Drive	Dallas	—	—	—	—	70,076		—	995	—	69,081	70,076	(14,120	)	2009	(C)
1350 Duane & 3080 Raymond	Silicon Valley	—	7,081	—	69,817	61		—	7,081	—	69,878	76,959	(14,781	)	2009	(A)
45901 & 45845 Nokes Boulevard	N. Virginia	—	3,437	—	28,785	450		—	3,437	—	29,235	32,672	(6,552	)	2009	(A)



	Metropolitan Area	Encumbrances	Initial costs			Costs capitalized subsequent to acquisition		Total costs				Accumulated depreciation and amortization		Date of acquisition or construction	Acquisition (A) or construction (C)
	Metropolitan Area	Encumbrances	Land	Acquired ground lease	Buildings and improvements	Improvements	Carrying costs	Land	Acquired ground lease	Buildings and improvements	Total	Accumulated depreciation and amortization		Date of acquisition or construction	Acquisition (A) or construction (C)
PROPERTIES:
21561 & 21571 Beaumeade Circle	N. Virginia	—	3,966	—	24,211	45	—	3,966	—	24,256	28,222	(5,010	)	2009	(A)
60 & 80 Merritt	New York	—	3,418	—	71,477	94,414	—	3,418	—	165,891	169,309	(35,258	)	2010	(A)
55 Middlesex	Boston	—	9,975	—	68,363	10,483	—	9,975	—	78,846	88,821	(22,557	)	2010	(A)
128 First Avenue	Boston	—	5,465	—	185,348	38,419	—	5,465	—	223,767	229,232	(61,794	)	2010	(A)
Cateringweg 5	Amsterdam	—	—	3,518	3,517	40,982	—	—	3,451	44,566	48,017	(7,662	)	2010	(A)
1725 Comstock Street	Silicon Valley	—	3,274	—	6,567	39,032	—	3,274	—	45,599	48,873	(22,476	)	2010	(A)
3105 Alfred Street	Silicon Valley	—	6,533	—	3,725	101,204	—	7,093	—	104,369	111,462	(26,181	)	2010	(A)
365 Main Street	San Francisco	—	22,854	—	158,709	26,171	—	22,854	—	184,880	207,734	(46,836	)	2010	(A)
720 2nd Street	San Francisco	—	3,884	—	116,861	10,235	—	3,884	—	127,096	130,980	(29,074	)	2010	(A)
2260 East El Segundo	Los Angeles	—	11,053	—	51,397	15,162	—	11,053	—	66,559	77,612	(18,057	)	2010	(A)
2121 South Price Road	Phoenix	—	7,335	—	238,452	208,424	—	7,335	—	446,876	454,211	(108,717	)	2010	(A)
4030 Lafayette	N. Virginia	—	2,492	—	16,912	5,703	—	2,492	—	22,615	25,107	(5,546	)	2010	(A)
4040 Lafayette	N. Virginia	—	1,246	—	4,267	24,667	—	1,246	—	28,934	30,180	(3,755	)	2010	(A)
4050 Lafayette	N. Virginia	—	1,246	—	4,371	35,673	—	1,246	—	40,044	41,290	(20,175	)	2010	(A)
2805 Lafayette Street	Silicon Valley	—	8,976	—	18,155	129,101	—	8,294	—	147,938	156,232	(24,526	)	2010	(A)
29A International Business Park	Singapore	—	—	—	137,545	219,764	—	—	—	357,309	357,309	(106,907	)	2010	(A)
43940 Digital Loudoun Plaza	N. Virginia	—	6,229	—	—	269,748	—	7,564	—	268,413	275,977	(58,213	)	2011	(C)
44060 Digital Loudoun Plaza	N. Virginia	—	3,700	—	—	187,396	—	3,441	—	187,655	191,096	(17,720	)	2011	(C)
44100 Digital Loudoun Plaza	N. Virginia	—	3,700	—	—	138,933	—	3,493	—	139,140	142,633	(5,679	)	2011	(C)
43780 Digital Loudoun Plaza	N. Virginia	—	3,671	—	—	120,875	—	4,186	—	120,360	124,546	(4,420	)	2011	(C)
1-11 Templar Road	Sydney	—	6,937	—	—	69,908	—	4,837	—	72,008	76,845	(13,643	)	2011	(C)
13-23 Templar Road	Sydney		4,236	—	—	4,956	—	3,845	—	5,347	9,192	—		2011	(C)
Fountain Court	London	—	7,544	—	12,506	100,618	—	6,695	—	113,973	120,668	(19,418	)	2011	(A)
72 Radnor Drive	Melbourne	—	2,568	—	—	59,222	—	1,939	—	59,851	61,790	(8,281	)	2011	(C)
98 Radnor Drive	Melbourne	—	1,899	—	—	39,531	—	1,490	—	39,940	41,430	(13,924	)	2011	(C)
105 Cabot Street	Boston	—	2,386	—	—	58,828	—	2,448	—	58,766	61,214	(7,376	)	2011	(C)



	Metropolitan Area	Encumbrances	Initial costs			Costs capitalized subsequent to acquisition			Total costs				Accumulated depreciation and amortization		Date of acquisition or construction	Acquisition (A) or construction (C)
	Metropolitan Area	Encumbrances	Land	Acquired ground lease	Buildings and improvements	Improvements		Carrying costs	Land	Acquired ground lease	Buildings and improvements	Total	Accumulated depreciation and amortization		Date of acquisition or construction	Acquisition (A) or construction (C)
PROPERTIES:
3825 NW Aloclek Place	Portland	—	1,689	—	—	57,750		—	1,689	—	57,750	59,439	(17,667	)	2011	(C)
Profile Park	Dublin	—	6,288	—	—	46,081		—	5,976	—	46,393	52,369	(2,698	)	2011	(C)
760 Doug Davis Drive	Atlanta	—	4,837	—	53,551	3,282		—	4,837	—	56,833	61,670	(11,618	)	2011	(A)
360 Spear Street	San Francisco	—	19,828	—	56,733	(912	)	—	19,828	—	55,821	75,649	(12,113	)	2011	(A)
2501 S. State Hwy 121	Dallas	—	23,137	—	93,943	17,767		—	23,137	—	111,710	134,847	(26,920	)	2012	(A)
9333 Grand Avenue	Chicago	—	5,686	—	14,515	73,789		—	1,205	—	92,785	93,990	(27,826	)	2012	(A)
9355 Grand Avenue	Chicago	—		—	—	227,922		—	2,518	—	225,404	227,922	(14,665	)	2012	(A)
9377 Grand Avenue	Chicago	—		—	—	107,005		—	2,102	—	104,903	107,005	(1,575	)	2012	(A)
850 E Collins	Dallas	—	1,614	—	—	83,988		—	1,614	—	83,988	85,602	(15,024	)	2012	(C)
950 E Collins	Dallas	—	1,546	—	—	74,611		—	1,546	—	74,611	76,157	(9,276	)	2012	(C)
400 S. Akard	Dallas	—	10,075	—	62,730	2,473		—	10,075	—	65,203	75,278	(9,792	)	2012	(A)
410 Commerce Boulevard	New York	—	—	—	—	29,839		—	—	—	29,839	29,839	(10,439	)	2012	(C)
Croydon	London	—	1,683	—	104,728	48,677		—	2,413	—	152,675	155,088	(23,186	)	2012	(A)
Watford	London	—	—	7,355	219,273	5,693		—	—	6,619	225,702	232,321	(34,406	)	2012	(A)
Unit 21 Goldsworth Park	London	—	17,334	—	928,129	(120,819	)	—	13,495	—	811,149	824,644	(128,322	)	2012	(A)
11900 East Cornell	Denver	—	3,352	—	80,640	2,236		—	3,352	—	82,876	86,228	(14,534	)	2012	(A)
701 Union Boulevard	New York	—	10,045	—	6,755	26,299		—	10,045	—	33,054	43,099	—		2012	(A)
23 Waterloo Road	Sydney	—	7,112	—	3,868	(2,731	)	—	5,343	—	2,906	8,249	(410	)	2012	(A)
1 Rue Jean-Pierre	Paris	—	9,621	—	35,825	(4,092	)	—	8,754	—	32,600	41,354	(5,912	)	2012	(A)
Liet-dit le Christ de Saclay	Paris	—	3,402	—	3,090	(584	)	—	3,096	—	2,812	5,908	(658	)	2012	(A)
127 Rue de Paris	Paris	—	8,637	—	10,838	(1,753	)	—	7,860	—	9,862	17,722	(2,225	)	2012	(A)
17201 Waterview Parkway	Dallas	—	2,070	—	6,409	(1	)	—	2,070	—	6,408	8,478	(1,036	)	2013	(A)
1900 S. Price Road	Phoenix	—	5,380	—	16,975	975		—	5,512	—	17,818	23,330	(2,013	)	2013	(A)



	Metropolitan Area		Encumbrances	Initial costs			Costs capitalized subsequent to acquisition			Total costs				Accumulated depreciation and amortization		Date of acquisition or construction	Acquisition (A) or construction (C)
	Metropolitan Area		Encumbrances	Land	Acquired ground lease	Buildings and improvements	Improvements		Carrying costs	Land	Acquired ground lease	Buildings and improvements	Total	Accumulated depreciation and amortization		Date of acquisition or construction	Acquisition (A) or construction (C)
371 Gough Road	Toronto		—	7,394		677	96,446		—	6,033	—	98,484	104,517	(7,587	)	2013	(A)
1500 Towerview Road	Minneapolis		—	10,190		20,054	3,191		—	10,190	—	23,245	33,435	(3,943	)	2013	(A)
Principal Park	London		—	11,837		—	110,458		—	13,077	—	109,218	122,295	(7,136	)	2013	(C)
MetCenter Business Park	Austin		—	8,604		20,314	(28,891	)	—	—	—	27	27	—		2013	(A)
Liverpoolweg 10	Amsterdam		—	733		3,122	10,368		—	675	—	13,548	14,223	(1,889	)	2013	(A)
DePresident	Amsterdam		—	6,737		—	79,880		—	8,169	—	78,448	86,617	(625	)	2013	(C)
Crawley 2	London		—	24,305		—	51,331		—	21,622	—	54,014	75,636	(327	)	2014	(C)
Digital Deer Park 3	Melbourne		—	1,600	—	—	167		—	1,765	—	2	1,767	—		2015	(C)
3 Loyang Way	Singapore		—	—	—	—	120,508		—	—	—	120,508	120,508	(1,092	)	2015	(A)
Digital Loudoun III	N. Virginia		—	43,000	—	—	179,393		—	57,806	—	164,587	222,393	(109	)	2015	(C)
Digital Frankfurt	Frankfurt		—	5,543	—	—	62,539		—	10,051	—	58,031	68,082	—		2015	(C)
56 Marietta Street	Atlanta	⁽²⁾	—	1,700	—	211,397	13,838		—	1,700	—	225,235	226,935	(20,292	)	2015	(A)
2 Peekay Drive	New York	⁽²⁾	—	—	—	115,439	15,264		—	—	—	130,703	130,703	(16,015	)	2015	(A)
100 Delawanna Avenue	New York	⁽²⁾	—	3,600	—	85,438	4,655		—	3,600	—	90,093	93,693	(7,222	)	2015	(A)
60 Hudson Street	New York	⁽²⁾	—	—	—	32,280	8,180		—	—	—	40,460	40,460	(7,751	)	2015	(A)
32 Avenue of the Americas	New York	⁽²⁾	—	—	—	30,980	2,001		—	—	—	32,981	32,981	(5,528	)	2015	(A)
3433 S 120th Place	Seattle	⁽²⁾	—	—	—	11,688	1,935		—	—	—	13,623	13,623	(3,510	)	2015	(A)
8435 Stemmons Freeway	Dallas	⁽²⁾	—	—	—	5,023	1,724		—	—	—	6,747	6,747	(1,453	)	2015	(A)
2625 Walsh Avenue	Silicon Valley	⁽²⁾	—	—	—	4,276	6,218		—	—	—	10,494	10,494	(1,415	)	2015	(A)
111 8th Avenue - Telx	New York	⁽²⁾	—	—	—	42,454	8,778			—	—	51,232	51,232	(11,387	)	2015	(A)
350 East Cermak Road - Telx	Chicago	⁽²⁾	—	—	—	13,933	4,747		—	—	—	18,680	18,680	(3,385	)	2015	(A)
200 Paul Avenue - Telx	San Francisco	⁽²⁾	—	—	—	6,719	2,433		—	—	—	9,152	9,152	(1,777	)	2015	(A)
2323 Bryan Street - Telx	Dallas	⁽²⁾	—	—	—	5,191	2,332		—	—	—	7,523	7,523	(1,639	)	2015	(A)
600 W. 7th Street - Telx	Los Angeles	⁽²⁾	—	—	—	3,689	2,763		—	—	—	6,452	6,452	(1,034	)	2015	(A)
3825 NW Aloclek Place - Telx	Portland	⁽²⁾	—	—	—	3,131	928		—	—	—	4,059	4,059	(811	)	2015	(A)
120 E. Van Buren Street - Telx	Phoenix	⁽²⁾	—	—	—	2,848	2,088		—	—	—	4,936	4,936	(778	)	2015	(A)
36 NE 2nd Street - Telx	Miami	⁽²⁾	—	—	—	1,842	1,460		—	—	—	3,302	3,302	(711	)	2015	(A)
600-780 S. Federal Street - Telx	Chicago	⁽²⁾	—	—	—	1,815	2,389		—	—	—	4,204	4,204	(597	)	2015	(A)
113 N. Myers Street - Telx	Charlotte	⁽²⁾	—	—	—	476	52		—	—	—	528	528	(135	)	2015	(A)



	Metropolitan Area		Encumbrances	Initial costs			Costs capitalized subsequent to acquisition			Total costs				Accumulated depreciation and amortization		Date of acquisition or construction	Acquisition (A) or construction (C)
	Metropolitan Area		Encumbrances	Land	Acquired ground lease	Buildings and improvements	Improvements		Carrying costs	Land	Acquired ground lease	Buildings and improvements	Total	Accumulated depreciation and amortization		Date of acquisition or construction	Acquisition (A) or construction (C)
1100 Space Park Drive - Telx	Silicon Valley	⁽²⁾	—	—	—	352	227		—	—	—	579	579	(116	)	2015	(A)
300 Boulevard East - Telx	New York	⁽²⁾	—	—	—	197	53		—	—	—	250	250	(99	)	2015	(A)
Science Park	Amsterdam	⁽³⁾	—	665	—	75,095	26,200		—	720	—	101,240	101,960	(3,989	)	2016	(A)
Sovereign House	London	⁽³⁾	—	7,943	—	75,184	5,454		—	8,243	—	80,338	88,581	(7,741	)	2016	(A)
Amstel Business Park	Amsterdam	⁽³⁾	—	2,991	—	58,138	15,861		—	3,241	—	73,749	76,990	(8,830	)	2016	(A)
Olivers Yard	London	⁽³⁾	—	7,943	—	34,744	2,504		—	8,243	—	36,948	45,191	(6,242	)	2016	(A)
Bonnington House	London	⁽³⁾	—	—	—	14,127	2,268		—	—	—	16,395	16,395	(635	)	2016	(A)
West Drayton	London	⁽³⁾	—	—	—	10,135	964		—	—	—	11,099	11,099	(2,928	)	2016	(A)
Lyonerstrasse	Frankfurt	⁽³⁾	—	—	—	8,407	1,254		—	—	—	9,661	9,661	(2,163	)	2016	(A)
Meridian Gate	London	⁽³⁾	—	—	—	5,893	572		—	—	—	6,465	6,465	(1,561	)	2016	(A)
NE Corner of Campbell Road and Ferris Road	Dallas		—	21,902	—	—	293		—	22,132	—	63	22,195	—		2016	(C)
9401 West Grand Avenue	Chicago		—	12,500	—	—	19,888		—	16,036	—	16,352	32,388	—		2016	(C)
Broad Run Technology Park	N. Virginia		—	18,019	—	—	11,983		—	26,574	—	3,428	30,002	—		2016	(C)
2425-2553 Edgington Street	Chicago		—	11,950	—	1,615	35		—	11,959	—	1,641	13,600	(31	)	2017	(C)
44490 Chilum Place	N. Virginia	⁽⁴⁾	—	4,180	—	76,745	564		—	4,180	—	77,309	81,489	(1,376	)	2017	(A)
44520 Hastings Drive	N. Virginia	⁽⁴⁾	104,000	6,140	—	108,105	785		—	6,140	—	108,890	115,030	(1,876	)	2017	(A)
44480 Hastings Drive	N. Virginia	⁽⁴⁾	—	12,860	—	278,384	38		—	12,860	—	278,422	291,282	(4,934	)	2017	(A)
44521 Hastings Drive	N. Virginia	⁽⁴⁾	—	13,210	—	315,539	—		—	13,210	—	315,539	328,749	(5,592	)	2017	(A)
44461 Chilum Place	N. Virginia	⁽⁴⁾	—	9,620	—	249,371	—		—	9,620	—	249,371	258,991	(4,443	)	2017	(A)
21625 Gresham Drive	N. Virginia	⁽⁴⁾	—	17,500	—	448,968	52		—	17,500	—	449,020	466,520	(8,034	)	2017	(A)
21745 Sir Timothy Drive	N. Virginia	⁽⁴⁾	—	16,010	—	289,281	3,801		—	16,010	—	293,082	309,092	(3,856	)	2017	(A)
21744 Sir Timothy Drive	N. Virginia	⁽⁴⁾	—	10,523	—	50,411	77,273		—	10,601	—	127,606	138,207	—		2017	(A)
2200 Busse Road	Chicago	⁽⁴⁾	—	17,270	—	384,558	790		—	17,270	—	385,348	402,618	(6,490	)	2017	(A)
2299 Busse Road	Chicago	⁽⁴⁾	—	12,780	—	348,348	—		—	12,780	—	348,348	361,128	(6,092	)	2017	(A)
1780 Business Center Drive	N. Virginia	⁽⁴⁾	—	7,510	—	106,363	(61	)	—	7,510	—	106,302	113,812	(1,657	)	2017	(A)
8217 Linton Hall Road	N. Virginia	⁽⁴⁾	—	22,340	—	81,985	—		—	22,340	—	81,985	104,325	(1,203	)	2017	(A)
1400 East Devon Avenue	Chicago	⁽⁴⁾	—	11,012	—	178,627	52,286		—	11,094	—	230,831	241,925	—		2017	(A)
2220 De La Cruz Blvd	Silicon Valley	⁽⁴⁾	—	84,650	—	634,007	4,343		—	84,650	—	638,350	723,000	(9,353	)	2017	(A)
1 Century Place	Toronto	⁽⁴⁾	—	26,600	—	116,863	41,361		—	25,742	—	159,082	184,824	—		2017	(C)



	Metropolitan Area		Encumbrances		Initial costs						Costs capitalized subsequent to acquisition						Total costs								Accumulated depreciation and amortization			Date of acquisition or construction	Acquisition (A) or construction (C)
	Metropolitan Area		Encumbrances		Land		Acquired ground lease		Buildings and improvements		Improvements			Carrying costs			Land		Acquired ground lease		Buildings and improvements		Total		Accumulated depreciation and amortization			Date of acquisition or construction	Acquisition (A) or construction (C)
505 North Railroad Avenue	Chicago		—		20,431		—		245,810		—			—			20,431		—		245,810		266,241		(552		)	2017	(A)
250 Williams	Atlanta		—		—		—		—		23,747			—			—		—		23,747		23,747		(952		)	2017	(C)
Osaka 2	Osaka		—		13,593		—		—		1,720			—			14,367		—		946		15,313		—			2017	(C)
Osaka 3	Osaka		—		4,713		—		—		19			—			4,732		—		—		4,732		—			2017	(C)
De President II	Amsterdam		—		6,315		—		—		1,680			—			7,252		—		743		7,995		—			2017	(C)
Development Property -- N. Virginia	N. Virginia	⁽⁴⁾	—		16,200		—		573		29			—			16,200		—		602		16,802		—			2017	(C)
Development Property -- Portland	Portland	⁽⁴⁾	—		11,672		—		5,924		1,101			—			11,672		—		7,025		18,697		—			2017	(C)
Development Property -- Phoenix	Phoenix	⁽⁴⁾	—		12,500		—		—		—			—			12,500		—		—		12,500		—			2017	(C)
330 E. Cermak Road	Chicago		—		25,248		—		—		(2		)	—			25,246		—		—		25,246		—			2017	(C)
Other			—		8,298				—		59,034			—			—		—		67,332		67,332		(8,774		)
			$	106,370	$	1,151,175	$	13,509	$	9,084,318	$	6,666,934		$	(5,900	)	$	1,136,341	$	11,150	$	15,768,445	$	16,915,936	$	(3,238,227	)


(1)	The balance shown excludes an unamortized premium of $241.


(2)	Represents properties acquired in the Telx Acquisition.


(3)	Represents properties acquired in the European Portfolio Acquisition.

(1) Tax Cost

The aggregate gross cost of the Company’s properties for federal income tax purposes approximated $17.3 billion (unaudited) as of December 31, 2017.

(2) Historical Cost and Accumulated Depreciation and Amortization

The following table reconciles the historical cost of the Company’s properties for financial reporting purposes for each of the years in the three-year period ended December 31, 2017.



	Year Ended December 31,
	2017			2016			2015
Balance, beginning of year	$	11,558,469		$	10,915,373		$	9,982,612
Additions during period (acquisitions and improvements)	5,663,404			760,051			1,133,263
Deductions during period (dispositions, impairments and assets held for sale)	(305,937		)	(116,955		)	(200,502		)
Balance, end of year	$	16,915,936		$	11,558,469		$	10,915,373

The following table reconciles accumulated depreciation and amortization of the Company’s properties for financial reporting purposes for each of the years in the three-year period ended December 31, 2017.



	Year Ended December 31,
	2017			2016			2015
Balance, beginning of year	$	2,668,509		$	2,251,268		$	1,874,054
Additions during period (depreciation and amortization expense)	612,970			461,506			429,057
Deductions during period (dispositions and assets held for sale)	(43,252		)	(44,265		)	(51,843		)
Balance, end of year	$	3,238,227		$	2,668,509		$	2,251,268

Schedules other than those listed above are omitted because they are not applicable or the information required is included in the consolidated financial statements or the notes thereto.

Digital Realty Trust, L.P.