SCHEDULE III REAL ESTATE AND ACCUMULATED DEPRECIATION

12 Months Ended

Dec. 31, 2024

SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation Disclosure [Abstract]

SCHEDULE III REAL ESTATE AND ACCUMULATED DEPRECIATION

					Initial Cost to Company				Costs Capitalized Subsequent to Acquisition				Cost amount carried at Close of Period
Property	Location	Number of Properties	Encumbrances (1)		Land		Buildings and Equipment				Impairments/ Writedowns		Land		Buildings and Equipment		Total (2)		Accumulated Depreciation (3)		Date(s) Acquired	Original Construction Date(s)
445 Jan Davis Drive (8)	Huntsville, AL	1	$	—	$	1,501	$	1,492	$	—	$	—	$	1,501	$	1,492	$	2,993	$	(239)	12/31/2018	2007
131 Clayton Street	Montgomery, AL	1	—		920		9,084		528		—		920		9,612		10,532		(3,228)		6/22/2011	2007
4344 Carmichael Road	Montgomery, AL	1	—		1,374		11,658		572		—		1,374		12,230		13,604		(3,453)		12/17/2013	2009
15451 North 28th Avenue (6)	Phoenix, AZ	1	—		1,917		7,416		1,279		—		1,917		8,695		10,612		(2,310)		9/10/2014	1996
711 S 14th Avenue	Safford, AZ	1	—		460		11,708		1,165		(4,440)		364		8,529		8,893		(2,036)		6/16/2010	1992
2544 Campbell Place (7)	Carlsbad, CA	1	—		2,687		1,796		1,585		—		2,687		3,381		6,068		(939)		12/31/2018	2007
2548 Campbell Place (6)	Carlsbad, CA	1	—		3,082		2,075		5,156		—		3,082		7,231		10,313		(2,461)		12/31/2018	2007
Folsom Corporate Center (5)	Folsom, CA	1	—		2,904		5,583		1,587		—		2,904		7,170		10,074		(1,684)		12/31/2018	2008
Bayside Technology Park (7)	Fremont, CA	1	—		10,784		648		269		—		10,784		917		11,701		(201)		12/31/2018	1990
10949 N. Mather Boulevard	Rancho Cordova, CA	1	—		562		16,923		1,056		—		562		17,979		18,541		(5,186)		10/30/2013	2012
11020 Sun Center Drive	Rancho Cordova, CA	1	—		1,466		8,797		1,996		—		1,466		10,793		12,259		(2,359)		12/20/2016	1983
100 Redwood Shores Parkway	Redwood City, CA	1	—		14,454		7,721		—		—		14,454		7,721		22,175		(1,285)		12/31/2018	1993
9815 Goethe Road (6)	Sacramento, CA	1	—		1,450		9,465		3,537		—		1,450		13,002		14,452		(3,718)		9/14/2011	1992
Capitol Place (6)	Sacramento, CA	1	—		2,290		35,891		9,997		—		2,290		45,888		48,178		(17,395)		12/17/2009	1988
4560 Viewridge Road (5)	San Diego, CA	1	—		4,269		18,316		5,392		—		4,347		23,630		27,977		(15,662)		3/31/1997	1996
2115 O’Nel Drive (7)	San Jose, CA	1	—		12,305		5,062		385		—		12,305		5,447		17,752		(945)		12/31/2018	1984
51 Rio Robles Drive	San Jose, CA	1	—		7,416		4,782		571		—		7,416		5,353		12,769		(1,049)		12/31/2018	1984
77 Rio Robles Drive (6)	San Jose, CA	1	—		8,362		5,393		9,932		—		8,362		15,325		23,687		(3,261)		12/31/2018	1984
145 Rio Robles Drive	San Jose, CA	1	8,078		7,909		3,523		6,608		—		7,909		10,131		18,040		(1,686)		12/31/2018	1984
2500 Walsh Avenue (6)	Santa Clara, CA	1	—		6,687		8,326		2,922		—		6,687		11,248		17,935		(1,426)		12/31/2018	1982
603 San Juan Avenue	Stockton, CA	1	—		563		5,470		217		—		563		5,687		6,250		(1,771)		7/20/2012	2012
350 West Java Drive (6)	Sunnyvale, CA	1	—		24,609		462		3,296		—		24,609		3,758		28,367		(334)		12/31/2018	1984
7958 South Chester Street	Centennial, CO	1	—		6,682		7,153		2,881		—		6,682		10,034		16,716		(1,643)		12/31/2018	2000
12795 West Alameda Parkway	Lakewood, CO	1	—		2,640		23,777		(7,662)		(14,590)		585		3,580		4,165		(38)		1/15/2010	1988
11 Dupont Circle, NW (7)	Washington, DC	1	—		28,255		44,743		24,474		—		28,255		69,217		97,472		(15,454)		10/2/2017	1974
1211 Connecticut Avenue, NW	Washington, DC	1	—		30,388		24,667		4,407		—		30,388		29,074		59,462		(6,704)		10/2/2017	1967
1401 K Street, NW (7)	Washington, DC	1	—		29,215		34,656		8,480		—		29,215		43,136		72,351		(11,067)		10/2/2017	1929
20 Massachusetts Avenue (7)	Washington, DC	1	—		12,009		51,527		223,321		—		12,231		274,626		286,857		(60,247)		3/31/1997	1996
440 First Street, NW (5)	Washington, DC	1	—		27,903		38,624		3,403		—		27,903		42,027		69,930		(7,549)		10/2/2017	1982
625 Indiana Avenue (7)	Washington, DC	1	—		26,000		25,955		12,825		—		26,000		38,780		64,780		(14,278)		8/17/2010	1989

				Initial Cost to Company		Costs Capitalized Subsequent to Acquisition		Cost amount carried at Close of Period
Property	Location	Number of Properties	Encumbrances (1)	Land	Buildings and Equipment		Impairments/ Writedowns	Land	Buildings and Equipment	Total (2)	Accumulated Depreciation (3)	Date(s) Acquired	Original Construction Date(s)
840 First Street, NE	Washington, DC	1	—	42,727	73,278	2,913	—	42,727	76,191	118,918	(14,541)	10/2/2017	2003
10350 NW 112th Avenue (8)	Miami, FL	1	—	4,798	2,757	2,413	—	4,798	5,170	9,968	(1,016)	12/31/2018	2002
7850 Southwest 6th Court (6)	Plantation, FL	1	—	4,800	30,592	16,817	—	4,800	47,409	52,209	(11,433)	5/12/2011	1999
8900 Grand Oak Circle (7)	Tampa, FL	1	—	1,100	11,773	1,788	—	1,100	13,561	14,661	(4,649)	10/15/2010	1994
180 Ted Turner Drive SW (5)	Atlanta, GA	1	—	5,717	20,017	3,061	—	5,717	23,078	28,795	(6,623)	7/25/2012	2007
1224 Hammond Drive (6)	Atlanta, GA	1	—	13,040	135,459	11,678	—	13,040	147,137	160,177	(15,612)	6/25/2021	2020
One Georgia Center (5)	Atlanta, GA	1	—	10,250	27,933	22,005	—	10,250	49,938	60,188	(15,962)	9/30/2011	1968
One Primerica Parkway (4)	Duluth, GA	1	26,156	6,927	22,951	2,268	—	6,927	25,219	32,146	(3,817)	12/31/2018	2013
4712 Southpark Boulevard (8)	Ellenwood, GA	1	—	1,390	19,635	1,327	—	1,390	20,962	22,352	(6,311)	7/25/2012	2005
8305 NW 62nd Avenue	Johnston, IA	1	—	2,649	7,997	—	—	2,649	7,997	10,646	(1,330)	12/31/2018	2011
1185, 1249 & 1387 S. Vinnell Way (6)	Boise, ID	3	—	3,390	29,026	1,520	—	3,390	30,546	33,936	(9,503)	9/11/2012	1996; 1997; 2002
2020 S. Arlington Heights (5)	Arlington Heights, IL	1	—	1,450	13,588	2,156	—	1,450	15,744	17,194	(5,633)	12/29/2009	1988
1000 W. Fulton (5)	Chicago, IL	1	—	42,935	252,914	1,035	—	42,935	253,949	296,884	(29,784)	6/24/2021	2015
HUB 1415 (8)	Naperville, IL	1	—	12,333	20,586	26,551	—	12,333	47,137	59,470	(10,286)	12/31/2018	2001
7601 and 7635 Interactive Way	Indianapolis, IN	2	—	3,337	14,522	34	—	3,337	14,556	17,893	(2,281)	12/31/2018	2003
251 Causeway Street (7)	Boston, MA	3	—	26,851	36,756	6,426	—	26,848	43,185	70,033	(10,631)	8/17/2010	1987
330 Billerica Road (8)	Chelmsford, MA	1	—	2,477	—	10,246	—	2,477	10,246	12,723	(2,743)	12/31/2018	1984
25 Newport Avenue (7)	Quincy, MA	1	—	2,700	9,199	2,963	—	2,700	12,162	14,862	(4,054)	2/16/2011	1985
2009-2011 Commerce Park Drive (7)	Annapolis, MD	1	—	1,580	3,825	4,097		1,581	7,921	9,502	(1,689)	10/2/2017	1989
2001-2003 Commerce Park Drive	Annapolis, MD	1	—	2,477	3,840	1,204	—	2,476	5,045	7,521	(1,138)	10/2/2017	1989
4201 Patterson Avenue (7)	Baltimore, MD	1	—	901	8,097	4,746	(85)	893	12,766	13,659	(7,833)	10/15/1998	1989
7001 Columbia Gateway Drive (7)	Columbia, MD	1	—	5,642	10,352	4,209	—	5,642	14,561	20,203	(2,254)	12/31/2018	2008
6310 Hillside Center	Columbia, MD	1	—	1,424	2,084	440	—	1,424	2,524	3,948	(631)	10/2/2017	2001
6315 Hillside Center (7)	Columbia, MD	1	—	2,013	2,144	575	—	2,013	2,719	4,732	(712)	10/2/2017	2001
TenThreeTwenty (7)	Columbia, MD	1	—	3,126	16,361	4,798	—	3,126	21,159	24,285	(4,279)	10/2/2017	1982
3300 75th Avenue	Landover, MD	1	29,634	4,110	36,371	3,746	—	4,110	40,117	44,227	(14,846)	2/26/2010	1985
Redland 520/530 (7)	Rockville, MD	3	—	12,714	61,377	8,166	—	12,714	69,543	82,257	(12,618)	10/2/2017	2008
Redland 540 (7)	Rockville, MD	1	—	10,740	17,714	4,605	—	10,740	22,319	33,059	(5,698)	10/2/2017	2003

				Initial Cost to Company		Costs Capitalized Subsequent to Acquisition		Cost amount carried at Close of Period
Property	Location	Number of Properties	Encumbrances (1)	Land	Buildings and Equipment		Impairments/ Writedowns	Land	Buildings and Equipment	Total (2)	Accumulated Depreciation (3)	Date(s) Acquired	Original Construction Date(s)
3550 Green Court	Ann Arbor, MI	1	—	3,630	4,857	—	—	3,630	4,857	8,487	(857)	12/31/2018	1998
Rosedale Corporate Plaza (8)	Roseville, MN	1	—	672	6,045	2,896	—	672	8,941	9,613	(4,107)	12/1/1999	1987
2555 Grand Boulevard (5)	Kansas City, MO	1	—	4,209	51,522	5,642	—	4,209	57,164	61,373	(10,135)	12/31/2018	2003
4241 NE 34th Street (7)	Kansas City, MO	1	—	1,133	5,649	5,284	—	1,470	10,596	12,066	(5,834)	3/31/1997	1995
1220 Echelon Parkway	Jackson, MS	1	14,528	440	25,458	2,239	—	440	27,697	28,137	(8,217)	7/25/2012	2009
2300 and 2400 Yorkmont Road (5)	Charlotte, NC	2	—	1,334	19,075	4,444	—	1,334	23,519	24,853	(4,475)	12/31/2018	1995
18010 Burt Street (8)	Omaha, NE	1	—	2,819	6,250	4,710	—	2,819	10,960	13,779	(982)	12/31/2018	2012
18020 Burt Street	Omaha, NE	1	—	4,158	6,250	13	—	4,158	6,263	10,421	(1,039)	12/31/2018	2012
500 Charles Ewing Boulevard	Ewing, NJ	1	42,354	4,808	26,002	1,846	—	4,808	27,848	32,656	(4,620)	12/31/2018	2012
299 Jefferson Road (7)	Parsippany, NJ	1	—	4,543	2,914	1,649	—	4,543	4,563	9,106	(893)	12/31/2018	2011
One Jefferson Road (7)	Parsippany, NJ	1	—	4,415	5,249	103	—	4,415	5,352	9,767	(898)	12/31/2018	2009
Airline Corporate Center (7)	Colonie, NY	1	—	790	6,400	1,968	—	790	8,368	9,158	(2,612)	6/22/2012	2004
1212 Pittsford - Victor Road (7)	Pittsford, NY	1	—	608	78	1,706	—	608	1,784	2,392	(355)	12/31/2018	1965
2231 Schrock Road (8)	Columbus, OH	1	—	716	217	578	—	716	795	1,511	(229)	12/31/2018	1999
8800 Tinicum Boulevard (7)	Philadelphia, PA	1	—	5,573	22,686	6,883	—	5,573	29,569	35,142	(4,577)	12/31/2018	2000
446 Wrenplace Road (7)	Fort Mill, SC	1	—	5,031	22,524	42	—	5,031	22,566	27,597	(2,270)	12/22/2020	2019
9680 Old Bailes Road	Fort Mill, SC	1	—	834	2,944	91	—	834	3,035	3,869	(519)	12/31/2018	2007
16001 North Dallas Parkway (8)	Addison, TX	2	—	10,282	63,071	2,910	—	10,282	65,981	76,263	(11,484)	12/31/2018	1987
Research Park (6)	Austin, TX	2	—	4,258	13,747	2,298	—	4,258	16,045	20,303	(4,155)	12/31/2018	1999
10451 Clay Road (8)	Houston, TX	1	—	5,495	10,253	2,432	—	5,495	12,685	18,180	(2,486)	12/31/2018	2013
202 North Castlegory Road (8)	Houston, TX	1	—	863	5,024	98	—	863	5,122	5,985	(796)	12/31/2018	2016
4221 W. John Carpenter Freeway (8)	Irving, TX	1	—	1,413	2,365	1,843	—	1,413	4,208	5,621	(1,799)	12/31/2018	1995
8675,8701-8711 Freeport Pkwy and 8901 Esters Boulevard (7)	Irving, TX	3	—	12,970	31,566	757	—	12,970	32,323	45,293	(5,250)	12/31/2018	1990
1511 East Common Street (7)	New Braunfels, TX	1	—	4,965	1,266	251	—	4,965	1,517	6,482	(424)	12/31/2018	2005
2900 West Plano Parkway	Plano, TX	1	—	6,819	8,831	—	—	6,819	8,831	15,650	(1,469)	12/31/2018	1998
3400 West Plano Parkway (8)	Plano, TX	1	—	4,543	15,964	321	—	4,543	16,285	20,828	(2,745)	12/31/2018	1994
3600 Wiseman Boulevard (6)	San Antonio, TX	1	—	3,493	6,662	2,389	—	3,493	9,051	12,544	(1,487)	12/31/2018	2004
701 Clay Road (4)	Waco, TX	1	26,156	2,030	8,708	15,052	—	2,060	23,730	25,790	(11,137)	12/23/1997	1997

					Initial Cost to Company				Costs Capitalized Subsequent to Acquisition				Cost amount carried at Close of Period
Property	Location	Number of Properties	Encumbrances (1)		Land		Buildings and Equipment				Impairments/ Writedowns		Land		Buildings and Equipment		Total (2)		Accumulated Depreciation (3)		Date(s) Acquired	Original Construction Date(s)
1800 Novell Place (6)	Provo, UT	1	—		7,487		43,487		19,841		—		7,487		63,328		70,815		(9,528)		12/31/2018	2000
14660 Lee Road (8)	Chantilly, VA	1	—		2,536		14,686		3,260		—		2,536		17,946		20,482		(3,295)		12/22/2016	1998
14672 Lee Road (5)	Chantilly, VA	1	—		2,253		24,749		4,800		—		2,253		29,549		31,802		(7,435)		12/22/2016	2002
14668 Lee Road (5)	Chantilly, VA	1	—		2,177		34,779		18,526		—		2,177		53,305		55,482		(7,933)		12/22/2016	2006
Enterchange at Meadowville (6)	Chester, VA	1	—		1,478		9,594		1,369		—		1,478		10,963		12,441		(3,072)		8/28/2013	1999
7987 Ashton Avenue (7)	Manassas, VA	1	—		1,562		8,253		1,093		—		1,562		9,346		10,908		(2,265)		1/3/2017	1989
Two Commercial Place (8)	Norfolk, VA	1	—		4,494		21,508		1,096		—		4,494		22,604		27,098		(3,628)		12/31/2018	1974
1760 Business Center Drive	Reston, VA	1	—		5,033		50,141		6,325		—		5,033		56,466		61,499		(15,184)		5/28/2014	1987
1775 Wiehle Avenue	Reston, VA	1	—		4,138		26,120		5,934		—		4,138		32,054		36,192		(6,747)		10/2/2017	2001
9201 Forest Hill Avenue	Richmond, VA	1	—		1,344		375		668		—		1,344		1,043		2,387		(322)		12/31/2018	1985
9960 Mayland Drive (7)	Richmond, VA	1	—		2,614		15,930		5,021		—		2,614		20,951		23,565		(5,943)		5/20/2014	1994
1751 Blue Hills Drive (5)	Roanoke, VA	1	—		2,689		7,761		—		—		2,689		7,761		10,450		(1,291)		12/31/2018	2003
Atlantic Corporate Park (7)	Sterling, VA	2	—		5,752		29,316		4,423		—		5,752		33,739		39,491		(6,660)		10/2/2017	2008
Orbital Sciences Campus (5)	Sterling, VA	3	—		12,275		19,320		37,466		—		12,269		56,792		69,061		(4,480)		12/31/2018	2001
Sterling Park Business Center	Sterling, VA	1	26,007		5,871		44,324		135		—		5,871		44,459		50,330		(8,072)		10/2/2017	2016
65 Bowdoin Street (6)	S. Burlington, VT	1	—		700		8,416		239		—		700		8,655		9,355		(3,179)		4/9/2010	2009
Stevens Center (5)	Richland, WA	2	—		3,970		17,035		4,807		—		4,042		21,770		25,812		(13,792)		3/31/1997	1995
Unison Elliott Bay-Lab Space (8)	Seattle, WA	2	—		17,316		34,281		147,272		—		17,316		181,553		198,869		(12,064)		12/31/2018	2000
Unison Elliott Bay-Office Space (8)	Seattle, WA	1	—		9,324		18,459		4,858		—		9,324		23,317		32,641		(3,753)		12/31/2018	2000
5353 Yellowstone Road (5)	Cheyenne, WY	1	—		1,915		8,217		4,528		—		1,950		12,710		14,660		(6,641)		3/31/1997	1995
		123	$	172,913	$	712,433	$	2,142,169	$	822,072	$	(19,115)	$	711,039	$	2,946,520	$	3,657,559	$	(618,650)
Properties Held for Sale
3250 and 3260 Jay Street	Santa Clara, CA	2	—		19,899		14,051		83		(11,041)		12,986		10,006		22,992		(2,244)		12/31/2018	1982
11411 E. Jefferson Avenue (7)	Detroit, MI	1	—		630		18,002		596		(8,001)		224		11,003		11,227		(6,807)		4/23/2010	2009
Regents Center	Tempe, AZ	2	—		4,121		3,042		353		—		4,121		3,395		7,516		(979)		12/31/2018	1988
		5	—		24,650		35,095		1,032		(19,042)		17,331		24,404		41,735		(10,030)
		128	$	172,913	$	737,083	$	2,177,264	$	823,104	$	(38,157)	$	728,370	$	2,970,924	$	3,699,294	$	(628,680)

(1) Represents mortgage debt, net of the unamortized balance of debt issuance costs totaling $4,407.

(2) Excludes the value of real estate intangibles. Aggregate cost for federal income tax purposes is approximately $7,540,917.

(3) Depreciation on building and improvements is provided for periods ranging up to 40 years and on equipment up to seven years.

(4) These two properties are collateral for our $54,300 mortgage note.

(5) These 19 properties are first lien collateral for our $425,000 credit agreement and second lien collateral for our $610,000 of 9.000% senior secured notes due September 2029, or the September 2029 Notes.

(6) These 17 properties are collateral for our $300,000 of 9.000% senior secured notes due March 2029.

(7) These 37 properties are collateral for our $445,000 of 3.250% senior secured notes due March 2027, or the March 2027 Notes.

(8) These 19 properties are first lien collateral for the September 2029 Notes and second lien collateral for the March 2027 Notes.

An analysis of the carrying amount of real estate properties and accumulated depreciation is as follows:

	Real Estate Properties		Accumulated Depreciation
Balance at December 31, 2022	$	3,936,074	$	561,458
Additions	221,246		107,460
Loss on asset impairment	(11,299)		—
Disposals	(51,011)		(15,709)
Reclassification of assets of properties held for sale	(29,331)		(3,030)
Balance at December 31, 2023	4,065,679		650,179
Additions	107,912		118,710
Loss on asset impairment	(181,578)		—
Disposals	(283,534)		(131,024)
Cost basis adjustment (1)	(9,185)		(9,185)
Reclassification of assets of properties held for sale	(41,735)		(10,030)
Balance at December 31, 2024	$	3,657,559	$	618,650

(1)    Represents the reclassification between accumulated depreciation and building made to certain properties measured at fair value in accordance with GAAP.