Item 1. UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

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Item 1. UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS


IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q									1

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

CONDENSED CONSOLIDATED BALANCE SHEETS

(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA) (UNAUDITED)


	SEPTEMBER 30, 2021		DECEMBER 31, 2020
ASSETS
Current Assets:
Cash and cash equivalents	$	161,439	$	205,063

Accounts receivable (less allowances of $60,214 and $56,981 as of September 30, 2021 and December 31, 2020, respectively)	884,348		859,344

Prepaid expenses and other	223,266		205,380

Total Current Assets	1,269,053		1,269,787
Property, Plant and Equipment:
Property, plant and equipment	8,503,171		8,246,337
Less—Accumulated depreciation	(3,914,553)		(3,743,894)
Property, Plant and Equipment, Net	4,588,618		4,502,443
Other Assets, Net:
Goodwill	4,472,641		4,557,609
Customer relationships, customer inducements and data center lease-based intangibles	1,230,330		1,326,977
Operating lease right-of-use assets	2,308,047		2,196,502
Other	365,706		295,949
Total Other Assets, Net	8,376,724		8,377,037
Total Assets	$	14,234,395	$	14,149,267
LIABILITIES AND EQUITY
Current Liabilities:
Current portion of long-term debt	$	318,144	$	193,759
Accounts payable	324,210		359,863
Accrued expenses and other current liabilities (includes current portion of operating lease liabilities)	926,360		1,146,288
Deferred revenue	257,593		295,785

Total Current Liabilities	1,826,307		1,995,695
Long-term Debt, net of current portion	8,815,273		8,509,555
Long-term Operating Lease Liabilities, net of current portion	2,164,449		2,044,598
Other Long-term Liabilities	155,048		204,508
Deferred Income Taxes	236,782		198,377
Commitments and Contingencies
Redeemable Noncontrolling Interests	61,390		59,805
Equity:

Preferred stock (par value $0.01; authorized 10,000,000 shares; none issued and outstanding)	—		—
Common stock (par value $0.01; authorized 400,000,000 shares; issued and outstanding 289,546,146 and 288,273,049 shares as of September 30, 2021 and December 31, 2020, respectively)	2,895		2,883
Additional paid-in capital	4,407,253		4,340,078
(Distributions in excess of earnings) Earnings in excess of distributions	(3,101,813)		(2,950,339)
Accumulated other comprehensive items, net	(334,453)		(255,893)
Total Iron Mountain Incorporated Stockholders' Equity	973,882		1,136,729
Noncontrolling Interests	1,264		—
Total Equity	975,146		1,136,729
Total Liabilities and Equity	$	14,234,395	$	14,149,267

The accompanying notes are an integral part of these condensed consolidated financial statements.


2									IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(IN THOUSANDS, EXCEPT PER SHARE DATA) (UNAUDITED)


	THREE MONTHS ENDED SEPTEMBER 30,
	2021		2020
Revenues:
Storage rental	$	718,614	$	696,294
Service	411,534		340,353
Total Revenues	1,130,148		1,036,647
Operating Expenses:
Cost of sales (excluding depreciation and amortization)	481,663		434,505
Selling, general and administrative	241,596		232,095
Depreciation and amortization	174,818		157,252
Acquisition and Integration Costs	1,138		—
Restructuring Charges	50,432		48,371


(Gain) Loss on disposal/write-down of property, plant and equipment, net	(935)		(75,840)
Total Operating Expenses	948,712		796,383
Operating Income (Loss)	181,436		240,264
Interest Expense, Net (includes Interest Income of $2,160 and $2,476 for the three months ended September 30, 2021 and 2020, respectively)	103,809		104,303
Other (Income) Expense, Net	(18,501)		83,465
Net Income (Loss) Before Provision (Benefit) for Income Taxes	96,128		52,496
Provision (Benefit) for Income Taxes	28,017		13,934


Net Income (Loss)	68,111		38,562
Less: Net Income (Loss) Attributable to Noncontrolling Interests	428		168
Net Income (Loss) Attributable to Iron Mountain Incorporated	$	67,683	$	38,394
Net Income (Loss) Per Share Attributable to Iron Mountain Incorporated:


Basic	$	0.23	$	0.13



Diluted	$	0.23	$	0.13
Weighted Average Common Shares Outstanding—Basic	289,762		288,403
Weighted Average Common Shares Outstanding—Diluted	291,482		288,811

The accompanying notes are an integral part of these condensed consolidated financial statements.


IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q									3

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS

(IN THOUSANDS, EXCEPT PER SHARE DATA) (UNAUDITED)


	NINE MONTHS ENDED SEPTEMBER 30,
	2021		2020
Revenues:
Storage rental	$	2,144,942	$	2,056,797
Service	1,187,002		1,030,820
Total Revenues	3,331,944		3,087,617
Operating Expenses:
Cost of sales (excluding depreciation and amortization)	1,408,151		1,308,119
Selling, general and administrative	760,098		712,775
Depreciation and amortization	507,145		483,686
Acquisition and Integration Costs	3,415		—
Restructuring Charges	129,686		128,715

Intangible impairments	—		23,000
(Gain) Loss on disposal/write-down of property, plant and equipment, net	(134,321)		(78,170)
Total Operating Expenses	2,674,174		2,578,125
Operating Income (Loss)	657,770		509,492
Interest Expense, Net (includes Interest Income of $5,858 and $6,491 for the nine months ended September 30, 2021 and 2020, respectively)	313,451		313,408
Other (Income) Expense, Net	(200,018)		66,439
Net Income (Loss) Before Provision (Benefit) for Income Taxes	544,337		129,645
Provision (Benefit) for Income Taxes	153,073		33,304


Net Income (Loss)	391,264		96,341
Less: Net Income (Loss) Attributable to Noncontrolling Interests	2,693		1,058
Net Income (Loss) Attributable to Iron Mountain Incorporated	$	388,571	$	95,283
Net Income (Loss) Per Share Attributable to Iron Mountain Incorporated:


Basic	$	1.34	$	0.33



Diluted	$	1.34	$	0.33
Weighted Average Common Shares Outstanding—Basic	289,255		288,105
Weighted Average Common Shares Outstanding—Diluted	290,697		288,471

The accompanying notes are an integral part of these condensed consolidated financial statements.


4									IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)

(IN THOUSANDS) (UNAUDITED)


	THREE MONTHS ENDED SEPTEMBER 30,
	2021		2020
Net Income (Loss)	$	68,111	$	38,562
Other Comprehensive (Loss) Income:
Foreign Currency Translation Adjustment	(91,263)		44,883
Change in Fair Value of Derivative Instruments	14,665		(184)
Total Other Comprehensive (Loss) Income	(76,598)		44,699
Comprehensive (Loss) Income	(8,487)		83,261
Comprehensive (Loss) Income Attributable to Noncontrolling Interests	(370)		522
Comprehensive (Loss) Income Attributable to Iron Mountain Incorporated	$	(8,117)	$	82,739


	NINE MONTHS ENDED SEPTEMBER 30,
	2021		2020
Net Income (Loss)	$	391,264	$	96,341
Other Comprehensive (Loss) Income:
Foreign Currency Translation Adjustment	(115,075)		(109,742)
Change in Fair Value of Derivative Instruments	35,505		(11,507)
Total Other Comprehensive (Loss) Income	(79,570)		(121,249)
Comprehensive Income (Loss)	311,694		(24,908)
Comprehensive Income (Loss) Attributable to Noncontrolling Interests	1,683		406
Comprehensive Income (Loss) Attributable to Iron Mountain Incorporated	$	310,011	$	(25,314)

The accompanying notes are an integral part of these condensed consolidated financial statements.


IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q									5

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

CONDENSED CONSOLIDATED STATEMENTS OF EQUITY

(IN THOUSANDS, EXCEPT SHARE DATA) (UNAUDITED)


THREE MONTHS ENDED SEPTEMBER 30, 2021
			IRON MOUNTAIN INCORPORATED STOCKHOLDERS' EQUITY
			COMMON STOCK			ADDITIONAL PAID-IN CAPITAL		(DISTRIBUTIONS IN EXCESS OF EARNINGS) EARNINGS IN EXCESS OF DISTRIBUTIONS		ACCUMULATED OTHER COMPREHENSIVE ITEMS, NET		NONCONTROLLING INTERESTS		REDEEMABLE NONCONTROLLING INTERESTS
	TOTAL		SHARES	AMOUNTS
Balance, June 30, 2021	$	1,147,742	289,458,768	$	2,895	$	4,392,396	$	(2,988,896)	$	(258,653)	$	—	$	64,660
Issuance of shares under employee stock purchase plan and option plans and stock-based compensation	14,857		87,378	—		14,857		—		—		—		—
Change in equity related to redeemable noncontrolling interests	—		—	—		—		—		—		—		168
Parent cash dividends declared	(180,600)		—	—		—		(180,600)		—		—		—
Foreign currency translation adjustment	(90,512)		—	—		—		—		(90,465)		(47)		(751)
Change in fair value of derivative instruments	14,665		—	—		—		—		14,665		—		—
Net income (loss)	67,683		—	—		—		67,683		—		—		428

Noncontrolling interests dividends	—		—	—		—		—		—		—		(597)
Purchase of noncontrolling interests	1,311		—	—		—		—		—		1,311		—
Redemption of noncontrolling interests	—		—	—		—		—		—		—		(2,518)
Balance, September 30, 2021	$	975,146	289,546,146	$	2,895	$	4,407,253	$	(3,101,813)	$	(334,453)	$	1,264	$	61,390

NINE MONTHS ENDED SEPTEMBER 30, 2021
			IRON MOUNTAIN INCORPORATED STOCKHOLDERS' EQUITY
			COMMON STOCK			ADDITIONAL PAID-IN CAPITAL		(DISTRIBUTIONS IN EXCESS OF EARNINGS) EARNINGS IN EXCESS OF DISTRIBUTIONS		ACCUMULATED OTHER COMPREHENSIVE ITEMS, NET		NONCONTROLLING INTERESTS		REDEEMABLE NONCONTROLLING INTERESTS
	TOTAL		SHARES	AMOUNTS
Balance, December 31, 2020	$	1,136,729	288,273,049	$	2,883	$	4,340,078	$	(2,950,339)	$	(255,893)	$	—	$	59,805
Issuance of shares under employee stock purchase plan and option plans and stock-based compensation	66,507		1,273,097	12		66,495		—		—		—		—
Change in equity related to redeemable noncontrolling interests	680		—	—		680		—		—		—		(512)
Parent cash dividends declared	(540,045)		—	—		—		(540,045)		—		—		—
Foreign currency translation adjustment	(114,112)		—	—		—		—		(114,065)		(47)		(963)
Change in fair value of derivative instruments	35,505		—	—		—		—		35,505		—		—
Net income (loss)	388,571		—	—		—		388,571		—		—		2,693
Noncontrolling interests equity contributions	—		—	—		—		—		—		—		2,200
Noncontrolling interests dividends	—		—	—		—		—		—		—		(1,882)
Purchase of noncontrolling interests	1,311		—	—		—		—		—		1,311		2,567
Redemption of noncontrolling interests	—		—	—		—		—		—		—		(2,518)
Balance, September 30, 2021	$	975,146	289,546,146	$	2,895	$	4,407,253	$	(3,101,813)	$	(334,453)	$	1,264	$	61,390

The accompanying notes are an integral part of these condensed consolidated financial statements.


6									IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

CONDENSED CONSOLIDATED STATEMENTS OF EQUITY

(IN THOUSANDS, EXCEPT SHARE DATA) (UNAUDITED)


THREE MONTHS ENDED SEPTEMBER 30, 2020
			IRON MOUNTAIN INCORPORATED STOCKHOLDERS' EQUITY
			COMMON STOCK			ADDITIONAL PAID-IN CAPITAL		(DISTRIBUTIONS IN EXCESS OF EARNINGS) EARNINGS IN EXCESS OF DISTRIBUTIONS		ACCUMULATED OTHER COMPREHENSIVE ITEMS, NET		NONCONTROLLING INTERESTS		REDEEMABLE NONCONTROLLING INTERESTS
	TOTAL		SHARES	AMOUNTS
Balance, June 30, 2020	$	1,024,331	288,142,703	$	2,881	$	4,325,803	$	(2,876,861)	$	(427,523)	$	31	$	63,512
Issuance of shares under employee stock purchase plan and option plans and stock-based compensation	9,997		20,263	1		9,996		—		—		—		—

Parent cash dividends declared	(179,677)		—	—		—		(179,677)		—		—		—
Foreign currency translation adjustment	44,529		—	—		—		—		44,529		—		354
Change in fair value of derivative instruments	(184)		—	—		—		—		(184)		—		—
Net income (loss)	38,250		—	—		—		38,394		—		(144)		312
Noncontrolling interests dividends	—		—	—		—		—		—		—		(512)
Balance, September 30, 2020	$	937,246	288,162,966	$	2,882	$	4,335,799	$	(3,018,144)	$	(383,178)	$	(113)	$	63,666

NINE MONTHS ENDED SEPTEMBER 30, 2020
			IRON MOUNTAIN INCORPORATED STOCKHOLDERS' EQUITY
			COMMON STOCK			ADDITIONAL PAID-IN CAPITAL		(DISTRIBUTIONS IN EXCESS OF EARNINGS) EARNINGS IN EXCESS OF DISTRIBUTIONS		ACCUMULATED OTHER COMPREHENSIVE ITEMS, NET		NONCONTROLLING INTERESTS		REDEEMABLE NONCONTROLLING INTERESTS
	TOTAL		SHARES	AMOUNTS
Balance, December 31, 2019	$	1,464,227	287,299,645	$	2,873	$	4,298,566	$	(2,574,896)	$	(262,581)	$	265	$	67,682
Issuance of shares under employee stock purchase plan and option plans and stock-based compensation	34,639		863,321	9		34,630		—		—		—		—
Change in equity related to redeemable noncontrolling interests	2,603		—	—		2,603		—		—		—		(2,603)
Parent cash dividends declared	(538,531)		—	—		—		(538,531)		—		—		—
Foreign currency translation adjustment	(109,090)		—	—		—		—		(109,090)		—		(652)
Change in fair value of derivative instruments	(11,507)		—	—		—		—		(11,507)		—		—
Net income (loss)	94,905		—	—		—		95,283		—		(378)		1,436
Noncontrolling interests dividends	—		—	—		—		—		—		—		(2,197)
Balance, September 30, 2020	$	937,246	288,162,966	$	2,882	$	4,335,799	$	(3,018,144)	$	(383,178)	$	(113)	$	63,666

The accompanying notes are an integral part of these condensed consolidated financial statements.


IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q									7

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (IN THOUSANDS) (UNAUDITED)


	NINE MONTHS ENDED SEPTEMBER 30,
	2021		2020
Cash Flows from Operating Activities:
Net income (loss)	$	391,264	$	96,341


Adjustments to reconcile net income (loss) to cash flows from operating activities:
Depreciation	347,269		334,780
Amortization (includes amortization of deferred financing costs and discounts of $12,470 and $13,150 for the nine months ended September 30, 2021 and 2020, respectively)	172,346		162,057
Intangible impairments	—		23,000
Revenue reduction associated with amortization of customer inducements and above- and below-market leases	6,578		7,612
Stock-based compensation expense	46,852		35,618
Provision (benefit) for deferred income taxes	36,333		(3,074)
Loss on early extinguishment of debt	—		68,300
Gain on IPM Divestment (as defined in Note 4)	(180,569)		—
(Gain) loss on disposal/write-down of property, plant and equipment, net	(134,321)		(78,170)


Foreign currency transactions and other, net	(13,239)		4,043
(Increase) decrease in assets	(112,753)		(10,219)
(Decrease) increase in liabilities	(96,423)		(13,070)




Cash Flows from Operating Activities	463,337		627,218


Cash Flows from Investing Activities:
Capital expenditures	(418,976)		(309,162)
Cash paid for acquisitions, net of cash acquired	(203,752)		(118,581)

Acquisition of customer relationships	(4,800)		(3,529)
Customer inducements	(5,148)		(8,269)
Contract fulfillment costs and third-party commissions	(43,699)		(30,705)

Investments in joint ventures and other investments	(72,153)		(6,850)
Net proceeds from IPM Divestment	213,878		—
Proceeds from sales of property and equipment and other, net	214,865		116,965
Cash Flows from Investing Activities	(319,785)		(360,131)


Cash Flows from Financing Activities:
Repayment of revolving credit facility, term loan facilities and other debt	(2,622,555)		(7,354,790)
Proceeds from revolving credit facility, term loan facilities and other debt	3,037,476		7,090,842
Early redemption of senior notes, including call premiums	—		(2,942,554)
Net proceeds from sales of senior notes	—		3,465,000



Debt repayment and equity distribution to noncontrolling interests	(1,882)		(2,197)
Repurchase of noncontrolling interest	(75,000)		—
Parent cash dividends	(538,902)		(537,853)


Net proceeds (payments) associated with employee stock-based awards	19,655		(979)

Other, net	3,621		(24,643)
Cash Flows from Financing Activities	(177,587)		(307,174)


Effect of Exchange Rates on Cash and Cash Equivalents	(9,589)		(1,496)
(Decrease) increase in Cash and Cash Equivalents	(43,624)		(41,583)
Cash and Cash Equivalents, including Restricted Cash, Beginning of Period	205,063		193,555
Cash and Cash Equivalents, including Restricted Cash, End of Period	$	161,439	$	151,972
Supplemental Information:
Cash Paid for Interest	$	395,355	$	357,897
Cash Paid for Income Taxes, Net	$	96,174	$	27,430
Non-Cash Investing and Financing Activities:

Financing Leases	$	40,590	$	34,889
Accrued Capital Expenditures	$	60,418	$	58,175
Fair Value of Investments Applied to Acquisitions	$	—	$	27,276



Dividends Payable	$	189,010	$	186,699

The accompanying notes are an integral part of these condensed consolidated financial statements.


8									IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(In thousands, except share and per share data) (Unaudited)

1. GENERAL

The unaudited condensed consolidated financial statements of Iron Mountain Incorporated, a Delaware corporation (“IMI”), and its subsidiaries (“we” or “us”), have been prepared pursuant to the rules and regulations of the United States Securities and Exchange Commission (the “SEC”). Certain information and footnote disclosures normally included in the annual financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) have been omitted pursuant to those rules and regulations, but we believe that the disclosures included herein are adequate to make the information presented not misleading. The interim condensed consolidated financial statements are presented herein and, in the opinion of management, reflect all adjustments of a normal recurring nature necessary for a fair presentation. Interim results are not necessarily indicative of results for a full year.

The Condensed Consolidated Financial Statements and Notes thereto, which are included herein, should be read in conjunction with the Consolidated Financial Statements and Notes thereto for the year ended December 31, 2020 included in our Annual Report on Form 10-K filed with the SEC on February 24, 2021 (our “Annual Report”).

We have been organized and have operated as a real estate investment trust for United States federal income tax purposes (“REIT”) beginning with our taxable year ended December 31, 2014.

In March 2020, the World Health Organization declared a novel strain of coronavirus (“COVID-19”) a pandemic. The preventative and protective actions that governments have ordered, or we or our customers have implemented, have resulted in a period of reduced service operations and business disruption for us, our customers and other third parties with which we do business. The broader impacts of the COVID-19 pandemic on our financial position, results of operations and cash flows, including impacts to the estimates we use in the preparation of our financial statements, remain uncertain and difficult to predict as information continues to evolve, and the severity and duration of the pandemic remains unknown, as is our visibility of its effect on the markets we serve and our customers within those markets.

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

A. CASH, CASH EQUIVALENTS AND RESTRICTED CASH

Cash and cash equivalents include cash on hand and cash invested in highly liquid short-term securities, which have remaining maturities at the date of purchase of less than 90 days. Cash and cash equivalents are carried at cost, which approximates fair value.

B. ACCOUNTS RECEIVABLE

We maintain an allowance for doubtful accounts and a credit memo reserve for estimated losses resulting from the potential inability of our customers to make required payments and potential disputes regarding billing and service issues. The rollforward of the allowance for doubtful accounts and credit memo reserves for the nine months ended September 30, 2021 is as follows:



Balance as of December 31, 2020	$	56,981
Credit memos charged to revenue	29,996
Allowance for bad debts charged to expense	16,371
Deductions and other(1)	(43,134)
Balance as of September 30, 2021	$	60,214

(1)Primarily consists of the issuance of credit memos, the write-off of accounts receivable, allowances associated with businesses acquired and the impact associated with currency translation adjustments.


IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q									9

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

C. LEASES

We lease facilities for certain warehouses, data centers and office space. We also have land leases, including those on which certain facilities are located. Operating and financing lease right-of-use assets and lease liabilities as of September 30, 2021 and December 31, 2020 are as follows:


DESCRIPTION	SEPTEMBER 30, 2021		DECEMBER 31, 2020
Assets:
Operating lease right-of-use assets	$	2,308,047	$	2,196,502
Financing lease right-of-use assets, net of accumulated depreciation(1)	307,032		310,534
Liabilities:
Current
Operating lease liabilities	$	257,884	$	250,239
Financing lease liabilities(1)	42,442		43,149
Long-term
Operating lease liabilities	$	2,164,449	$	2,044,598
Financing lease liabilities(1)	321,682		323,162

(1)Financing lease right-of-use assets, current financing lease liabilities and long-term financing lease liabilities are included within Property, Plant and Equipment, Net, Current portion of long-term debt and Long-term Debt, net of current portion, respectively, within our Condensed Consolidated Balance Sheets.

The components of the lease expense for the three and nine months ended September 30, 2021 and 2020 are as follows:


	THREE MONTHS ENDED SEPTEMBER 30,				NINE MONTHS ENDED SEPTEMBER 30,
DESCRIPTION	2021		2020		2021		2020
Operating lease cost(1)	$	140,551	$	122,737	$	408,312	$	365,303
Financing lease cost:
Depreciation of financing lease right-of-use assets	$	14,006	$	12,973	$	39,062	$	38,495
Interest expense for financing lease liabilities	5,055		4,891		14,940		14,664

(1)Operating lease cost, the majority of which is included in Cost of sales, includes variable lease costs of $28,835 and $86,422 for the three and nine months ended September 30, 2021, respectively, and $27,486 and $82,287 for the three and nine months ended September 30, 2020, respectively.

Other information: Supplemental cash flow information relating to our leases for the nine months ended September 30, 2021 and 2020 is as follows:


	NINE MONTHS ENDED SEPTEMBER 30,
CASH PAID FOR AMOUNTS INCLUDED IN MEASUREMENT OF LEASE LIABILITIES:	2021		2020
Operating cash flows used in operating leases	$	291,535	$	266,619

Operating cash flows used in financing leases (interest)	14,940		14,664
Financing cash flows used in financing leases	35,360		36,008

NON-CASH ITEMS:
Operating lease modifications and reassessments	$	103,158	$	89,727
New operating leases (including acquisitions and sale-leaseback transactions)	240,822		173,635


10									IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

D. GOODWILL

Our reporting units as of December 31, 2020 are described in detail in Note 2.k. to Notes to Consolidated Financial Statements included in our Annual Report. The goodwill associated with acquisitions completed during the first nine months of 2021 (as described in Note 3) has been incorporated into our reporting units as they existed as of December 31, 2020.

The changes in the carrying value of goodwill attributable to each reportable operating segment for the nine months ended September 30, 2021 are as follows:


	GLOBAL RIM BUSINESS		GLOBAL DATA CENTER BUSINESS		CORPORATE AND OTHER BUSINESS		TOTAL CONSOLIDATED
Goodwill balance, net of accumulated amortization as of December 31, 2020	$	4,024,182	$	436,987	$	96,440	$	4,557,609

Non-tax deductible goodwill acquired during the period	17,180		—		9,991		27,171
Goodwill allocated to IPM Divestment	—		—		(46,105)		(46,105)
Fair value and other adjustments	(6,091)		—		(1,268)		(7,359)
Currency effects	(49,737)		(7,995)		(943)		(58,675)
Goodwill balance, net accumulated amortization as of September 30, 2021	$	3,985,534	$	428,992	$	58,115	$	4,472,641

Accumulated goodwill impairment balance as of September 30, 2021	$	132,409	$	—	$	26,011	$	158,420

E. INVESTMENTS

2021 NEWLY FORMED JOINT VENTURE

In April 2021, we closed on an agreement to form a joint venture (the "Web Werks JV") with the shareholders of Web Werks India Private Limited ("Web Werks"), a colocation data center provider in India. In connection with the formation of the Web Werks JV, we made an initial investment of approximately 3,750,000 Indian rupees (or approximately $50,100, based upon the exchange rate between the United States dollar and Indian rupee as of the closing date of the initial investment) in exchange for a noncontrolling interest in the form of convertible preference shares in the Web Werks JV (the “Initial Web Werks JV Investment”). These shares are convertible into a to-be-determined amount of common shares based upon the achievement of EBITDA targets for the Web Werks JV's fiscal year ending March 31, 2022.

Under the terms of the Web Werks JV shareholder agreement, we are required to make additional investments over a period ending May 2023 totaling approximately 7,500,000 Indian rupees (or approximately $100,000, based upon the current exchange rate between the United States dollar and Indian rupee).

JOINT VENTURE SUMMARY

The following joint ventures are accounted for as equity method investments and are presented as a component of Other within Other assets, net in our Condensed Consolidated Balance Sheets. The carrying values and equity interests in our joint ventures at September 30, 2021 and December 31, 2020 are as follows:


	SEPTEMBER 30, 2021				DECEMBER 31, 2020
	CARRYING VALUE		EQUITY INTEREST		CARRYING VALUE		EQUITY INTEREST
Web Werks JV	$	51,257	38	%	$	—	—	%
Joint venture with AGC Equity Partners (the “Frankfurt JV”)	26,272		20	%	26,500		20	%
Joint venture with MakeSpace Labs, Inc. (the “MakeSpace JV”)	27,419		48	%	16,924		39	%


IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q									11

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

F. FAIR VALUE MEASUREMENTS

The assets and liabilities carried at fair value measured on a recurring basis as of September 30, 2021 and December 31, 2020 are as follows:


			FAIR VALUE MEASUREMENTS AT SEPTEMBER 30, 2021 USING
DESCRIPTION	TOTAL CARRYING VALUE AT SEPTEMBER 30, 2021		QUOTED PRICES IN ACTIVE MARKETS (LEVEL 1)		SIGNIFICANT OTHER OBSERVABLE INPUTS (LEVEL 2)		SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3)
Money Market Funds	$	9,186	$	—	$	9,186	$	—
Time Deposits	2,175		—		2,175		—
Trading Securities	11,713		11,572		141		—
Derivative Assets	1,214		—		1,214		—
Derivative Liabilities	15,412		—		15,412		—


			FAIR VALUE MEASUREMENTS AT DECEMBER 31, 2020 USING
DESCRIPTION	TOTAL CARRYING VALUE AT DECEMBER 31, 2020		QUOTED PRICES IN ACTIVE MARKETS (LEVEL 1)		SIGNIFICANT OTHER OBSERVABLE INPUTS (LEVEL 2)		SIGNIFICANT UNOBSERVABLE INPUTS (LEVEL 3)
Money Market Funds	$	62,657	$	—	$	62,657	$	—
Time Deposits	2,121		—		2,121		—
Trading Securities	10,892		10,636		256		—
Derivative Liabilities	49,703		—		49,703		—

There were no material items that are measured at fair value on a non-recurring basis at September 30, 2021 and December 31, 2020, other than (i) those disclosed in Note 2.o. to Notes to Consolidated Financial Statements included in our Annual Report, (ii) our investment in the Web Werks JV, as described in Note 2.e., and (iii) those acquired in acquisitions that occurred during the nine months ended September 30, 2021, as described in Note 3, all of which are based on Level 3 inputs.

G. REDEEMABLE NONCONTROLLING INTERESTS

In 2018, one of the noncontrolling interest shareholders in one of our foreign consolidated subsidiaries exercised its option to put its ownership interest back to us. Upon the exercise of the put option, this noncontrolling interest became mandatorily redeemable by us, and, therefore, was accounted for as a liability rather than a component of redeemable noncontrolling interests. In May 2021, we agreed to final settlement terms and paid the put option price for the noncontrolling interest shares. We remain in dispute with this former shareholder with respect to whether interest from the date of the put and certain other costs should be reimbursable. We have vigorously defended that interest and costs are not owed, and are currently awaiting a ruling from an arbitration hearing.


12									IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

H. ACCUMULATED OTHER COMPREHENSIVE ITEMS, NET

The changes in accumulated other comprehensive items, net for the three and nine months ended September 30, 2021 and 2020 are as follows:


	THREE MONTHS ENDED SEPTEMBER 30, 2021						NINE MONTHS ENDED SEPTEMBER 30, 2021
	FOREIGN CURRENCY TRANSLATION AND OTHER ADJUSTMENTS		CHANGE IN FAIR VALUE OF DERIVATIVE INSTRUMENTS		TOTAL		FOREIGN CURRENCY TRANSLATION AND OTHER ADJUSTMENTS		CHANGE IN FAIR VALUE OF DERIVATIVE INSTRUMENTS		TOTAL
Beginning of Period	$	(229,790)	$	(28,863)	$	(258,653)	$	(206,190)	$	(49,703)	$	(255,893)
Other comprehensive (loss) income):
Foreign currency translation and other adjustments	(90,465)		—		(90,465)		(114,065)		—		(114,065)
Change in fair value of derivative instruments	—		14,665		14,665		—		35,505		35,505
Total other comprehensive (loss) income	(90,465)		14,665		(75,800)		(114,065)		35,505		(78,560)
End of Period	$	(320,255)	$	(14,198)	$	(334,453)	$	(320,255)	$	(14,198)	$	(334,453)


	THREE MONTHS ENDED SEPTEMBER 30, 2020						NINE MONTHS ENDED SEPTEMBER 30, 2020
	FOREIGN CURRENCY TRANSLATION AND OTHER ADJUSTMENTS		CHANGE IN FAIR VALUE OF DERIVATIVE INSTRUMENTS		TOTAL		FOREIGN CURRENCY TRANSLATION AND OTHER ADJUSTMENTS		CHANGE IN FAIR VALUE OF DERIVATIVE INSTRUMENTS		TOTAL
Beginning of Period	$	(406,444)	$	(21,079)	$	(427,523)	$	(252,825)	$	(9,756)	$	(262,581)
Other comprehensive income (loss):
Foreign currency translation and other adjustments	44,529		—		44,529		(109,090)		—		(109,090)
Change in fair value of derivative instruments	—		(184)		(184)		—		(11,507)		(11,507)
Total other comprehensive income (loss)	44,529		(184)		44,345		(109,090)		(11,507)		(120,597)
End of Period	$	(361,915)	$	(21,263)	$	(383,178)	$	(361,915)	$	(21,263)	$	(383,178)


IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q									13

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

I. REVENUES

The costs associated with the initial movement of customer records into physical storage and certain commissions are considered costs to obtain or fulfill customer contracts (collectively, “Contract Fulfillment Costs”). Contract Fulfillment Costs as of September 30, 2021 and December 31, 2020 are as follows:


	SEPTEMBER 30, 2021						DECEMBER 31, 2020
	GROSS CARRYING AMOUNT		ACCUMULATED AMORTIZATION		NET CARRYING AMOUNT		GROSS CARRYING AMOUNT		ACCUMULATED AMORTIZATION		NET CARRYING AMOUNT
Intake Costs asset	$	71,540	$	(41,246)	$	30,294	$	63,721	$	(33,352)	$	30,369
Commissions asset	107,298		(48,708)		58,590		91,069		(38,787)		52,282

Deferred revenue liabilities are reflected in our Condensed Consolidated Balance Sheets as follows:


DESCRIPTION	LOCATION IN BALANCE SHEET	SEPTEMBER 30, 2021		DECEMBER 31, 2020
Deferred revenue - Current	Deferred revenue	$	257,593	$	295,785
Deferred revenue - Long-term	Other Long-term Liabilities	34,342		35,612

DATA CENTER LESSOR CONSIDERATIONS

Our Global Data Center Business features storage rental provided to customers at contractually specified rates over a fixed contractual period, which are accounted for in accordance with Accounting Standards Update ("ASU") No. 2016-02, Leases (Topic 842), as amended. Storage rental revenue, including revenue associated with power and connectivity, associated with our Global Data Center Business for the three and nine months ended September 30, 2021 and 2020 are as follows:


	THREE MONTHS ENDED SEPTEMBER 30,				NINE MONTHS ENDED SEPTEMBER 30,
	2021		2020		2021		2020
Storage rental revenue(1)	$	72,411	$	68,416	$	210,805	$	196,823

(1)Revenue associated with power and connectivity included within storage rental revenue was $14,639 and $42,333 for the three and nine months ended September 30, 2021, respectively, and $12,033 and $34,986 for the three and nine months ended September 30, 2020, respectively.


14									IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

J. STOCK-BASED COMPENSATION

PLAN AMENDMENTS

In May 2021, our stockholders (1) approved an amendment to the Iron Mountain Incorporated 2014 Stock and Cash Incentive Plan (the “2014 Plan”) to (i) increase the number of shares of our common stock authorized for issuance thereunder by 8,000,000 from 12,750,000 to 20,750,000, (ii) extend the termination date of the 2014 Plan from May 24, 2027 to May 12, 2031, (iii) provide that, other than in specified circumstances, no equity-based award will vest before the first anniversary of the date of grant and (iv) provide that dividends and dividend equivalents are not paid with respect to stock options or stock appreciation rights and (2) approved an amendment to the Iron Mountain Incorporated 2013 Employee Stock Purchase Plan to increase the number of shares of Common Stock authorized for issuance thereunder by 1,000,000 from 1,000,000 to 2,000,000.

STOCK-BASED COMPENSATION EXPENSE

Stock-based compensation expense for the cost of stock options, restricted stock units (“RSUs”), performance units (“PUs”) and shares of stock issued under our employee stock purchase plan (collectively, “Employee Stock-Based Awards”) for the three and nine months ended September 30, 2021 and 2020 is as follows:


	THREE MONTHS ENDED SEPTEMBER 30,				NINE MONTHS ENDED SEPTEMBER 30,
	2021		2020		2021		2020
Stock-based compensation expense	$	13,200	$	8,946	$	46,852	$	35,618

As of September 30, 2021, unrecognized compensation cost related to the unvested portion of our Employee Stock-Based Awards is $48,494.

RESTRICTED STOCK UNITS AND PERFORMANCE UNITS

The fair value of RSUs and earned PUs that vested during the three and nine months ended September 30, 2021 and 2020 is as follows:


	THREE MONTHS ENDED SEPTEMBER 30,				NINE MONTHS ENDED SEPTEMBER 30,
	2021		2020		2021		2020
Fair value of RSUs vested	$	8,425	$	2,766	$	31,404	$	24,411
Fair value of earned PUs that vested	22,030		1,370		27,856		12,421

As of September 30, 2021, we expected 133%, 114% and 103% achievement of each of the predefined targets associated with the awards of PUs made in 2021, 2020 and 2019, respectively.

K. ACQUISITION AND INTEGRATION COSTS

Acquisition and integration costs represent operating expenditures directly associated with the closing and integration activities of our business acquisitions that have closed, or are highly probable of closing, and include (i) advisory, legal and professional fees to complete business acquisitions and (ii) costs to integrate acquired businesses into our existing operations, including move, severance, facility upgrade and system integration costs (collectively, "Acquisition and Integration Costs"). Acquisition and Integration Costs do not include costs associated with the formation of joint ventures or costs associated with the acquisition of customer relationships. Total Acquisition and Integration Costs for the three and nine months ended September 30, 2021 is $1,138 and $3,415, respectively.


IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q									15

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

L. (GAIN) LOSS ON DISPOSAL/WRITE-DOWN OF PROPERTY, PLANT AND EQUIPMENT, NET

Consolidated (gain) loss on disposal/write-down of property, plant and equipment, net for the three and nine months ended September 30, 2021 and 2020 is as follows:


	THREE MONTHS ENDED SEPTEMBER 30,				NINE MONTHS ENDED SEPTEMBER 30,
	2021		2020(1)		2021(2)		2020(1)
(Gain) Loss on disposal/write-down of property, plant and equipment, net (3)	$	(935)	$	(75,840)	$	(134,321)	$	(78,170)

(1) The gains for both the three and nine months ended September 30, 2020 primarily consisted of gains of approximately $76,400 associated with the sale-leaseback transactions of two facilities in the United States.

(2) The gains for the nine months ended September 30, 2021 primarily consisted of gains of approximately $127,400 associated with the sale-leaseback transactions of five facilities in the United Kingdom, which occurred during the second quarter of 2021.

(3) The gains recognized during both 2021 and 2020 are a result of our program to monetize a small portion of our industrial assets. The terms for these leases are consistent with the terms of our lease portfolio, which are disclosed in detail in Note 2.i. to Notes to Consolidated Financial Statements included in our Annual Report.

M. OTHER (INCOME) EXPENSE, NET

Consolidated other (income) expense, net for the three and nine months ended September 30, 2021 and 2020 consists of the following:


	THREE MONTHS ENDED SEPTEMBER 30,				NINE MONTHS ENDED SEPTEMBER 30,
DESCRIPTION	2021		2020		2021		2020
Foreign currency transaction (gains) losses, net	$	(23,200)	$	29,635	$	(16,157)	$	(6,293)
Debt extinguishment expense	—		51,260		—		68,300
Other, net(1)	4,699		2,570		(183,861)		4,432
Other (Income) Expense, Net	$	(18,501)	$	83,465	$	(200,018)	$	66,439

(1)Other, net for the nine months ended September 30, 2021 is primarily comprised of (a) a gain of approximately $180,600 associated with our IPM Divestment and (b) a gain of approximately $20,300 associated with the loss of control and related deconsolidation, as of May 18, 2021, of one of our wholly owned Netherlands subsidiaries, for which we had value-added tax liability exposure that was recorded in 2019.


16									IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

N. INCOME TAXES

We provide for income taxes during interim periods based on our estimate of the effective tax rate for the year.

Our effective tax rates for the three and nine months ended September 30, 2021 and 2020 are as follows:


	THREE MONTHS ENDED SEPTEMBER 30,				NINE MONTHS ENDED SEPTEMBER 30,
	2021		2020		2021		2020
Effective Tax Rate(1)	29.1	%	26.5	%	28.1	%	25.7	%

(1)The primary reconciling items between the federal statutory tax rate of 21.0% and our overall effective tax rate for the three and nine months ended September 30, 2021 and 2020 were the impacts of differences in the tax rates at which our foreign earnings are subject, partially offset by the benefits derived from the dividends paid deduction. The costs associated with Project Summit (as defined in Note 11) are more heavily weighted to our United States qualified REIT subsidiaries ("QRSs"), and, therefore, provide no tax benefit. Additionally, the nine months ended September 30, 2021, reflects a discrete tax expense of approximately $12,000 primarily resulting from a tax law change in the United Kingdom.

At December 31, 2020, we concluded that it was our intent to indefinitely reinvest our current and future undistributed earnings of certain of our unconverted foreign taxable REIT subsidiaries (“TRSs”) outside the United States, with the exception of certain limited instances. During 2021, as a result of the enactment of a tax law and the closing of various acquisitions, we reassessed this intention and concluded that it is no longer our intention to reinvest our undistributed earnings of our foreign TRSs indefinitely outside the United States. As a REIT, future repatriation of incremental undistributed earnings of our foreign subsidiaries will not be subject to federal or state income tax, with the exception of foreign withholding taxes. However, such future repatriations may require distributions to our stockholders in accordance with REIT distribution rules, and any such distribution may then be taxable, as appropriate, at the stockholder level. We expect to provide for foreign withholding taxes on the current and future earnings of all of our foreign subsidiaries as the result of such reassessment.

O. INCOME (LOSS) PER SHARE—BASIC AND DILUTED

The calculation of basic and diluted income (loss) per share for the three and nine months ended September 30, 2021 and 2020 are as follows:


	THREE MONTHS ENDED SEPTEMBER 30,				NINE MONTHS ENDED SEPTEMBER 30,
	2021		2020		2021		2020
Net Income (Loss)	$	68,111	$	38,562	$	391,264	$	96,341
Less: Net Income (Loss) Attributable to Noncontrolling Interests	428		168		2,693		1,058
Net Income (Loss) Attributable to Iron Mountain Incorporated (utilized in numerator of Earnings Per Share calculation)	$	67,683	$	38,394	$	388,571	$	95,283
Weighted-average shares—basic	289,762,000		288,403,000		289,255,000		288,105,000
Effect of dilutive potential stock options	869,600		14,758		522,642		28,723
Effect of dilutive potential RSUs and PUs	850,655		392,943		918,954		337,588
Weighted-average shares—diluted	291,482,255		288,810,701		290,696,596		288,471,311
Net Income (Loss) Per Share Attributable to Iron Mountain Incorporated:
Basic	$	0.23	$	0.13	$	1.34	$	0.33
Diluted	$	0.23	$	0.13	$	1.34	$	0.33
Antidilutive stock options, RSUs and PUs, excluded from the calculation	351,673		5,529,126		1,813,880		5,959,693


IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q									17

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (CONTINUED)

P. RECENT ACCOUNTING PRONOUNCEMENTS

In December 2019, the Financial Accounting Standards Board issued ASU No. 2019-12, Income Taxes (Topic 740) (“ASU 2019-12”). ASU 2019-12 simplifies the accounting for income taxes by removing certain exceptions for recognizing deferred taxes for investments, performing intra-period allocation and calculating income taxes in interim periods. ASU 2019-12 also adds guidance to reduce complexity in certain areas, including recognizing deferred taxes for tax goodwill and allocating taxes to members of a consolidated group. We adopted ASU 2019-12 on January 1, 2021. ASU 2019-12 did not have a material impact on our consolidated financial statements.

3. ACQUISITIONS

INFOFORT ACQUISITION

On September 15, 2021, in order to further expand our records management operations in the Middle East and North Africa, we acquired Information Fort, LLC, a records and information management provider, for approximately $90,300.

FRANKFURT DATA CENTER ACQUISITION

On September 23, 2021, in order to further enhance our data center operations in Germany, we acquired a Frankfurt data center for approximately 77,900 Euros (or approximately $91,300, based upon the exchange rate between the Euro and the United States dollar on the closing date of this acquisition).

OTHER 2021 ACQUISITIONS

In addition to the transactions noted above, during the nine months ended September 30, 2021, in order to enhance our existing operations in the United Kingdom and Indonesia and to expand our operations into Morocco, we completed the acquisition of two records management companies and one art storage company for total cash consideration of approximately $45,100.


18									IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

3. ACQUISITIONS (CONTINUED)

PURCHASE PRICE ALLOCATION

A summary of the cumulative consideration paid and the preliminary allocation of the purchase price paid for all of our 2021 acquisitions through September 30, 2021 is as follows:


	NINE MONTHS ENDED SEPTEMBER 30, 2021
Cash Paid (gross of cash acquired)	$	224,192
Fair Value of Noncontrolling Interests	3,878
Purchase Price Holdbacks and Other	2,534
Total Consideration	230,604
Fair Value of Identifiable Assets Acquired and Liabilities Assumed:
Cash	20,440
Accounts Receivable, Prepaid Expenses and Other Assets	25,392
Property, Plant and Equipment(1)	147,132
Customer Relationship Intangible Assets(2)	39,315
Operating Lease Right-of-Use Assets	45,209
Data Center In-Place Leases(3)	4,994
Data Center Tenant Relationships(4)	4,682
Data Center Above-Market Leases(5)	1,042
Debt Assumed	(9,026)
Accounts Payable, Accrued Expenses and Other Liabilities	(23,082)
Operating Lease Liabilities	(45,209)
Deferred Income Taxes	(7,436)
Data Center Below-Market Leases(5)	(20)
Total Fair Value of Identifiable Net Assets Acquired	203,433
Goodwill Initially Recorded	$	27,171

(1)Consists primarily of land and building.

(2)The preliminary weighted average lives of customer relationship intangible assets associated with acquisitions is 9 years.

(3) The preliminary weighted average lives of data center in-place leases associated with acquisitions is 5 years.

(4) The preliminary weighted average lives of data center tenant relationships associated with acquisitions is 5 years.

(5) The preliminary weighted average lives of data center above-market leases associated with acquisitions is 5 years and the weighted average lives of data center below-market leases associated with acquisitions is 4 years.

The preliminary purchase price allocations that are not finalized as of September 30, 2021 relate to the final assessment of the fair values of intangible assets (primarily customer relationship intangible assets) and property, plant and equipment associated with the acquisitions we closed in 2021. Any adjustments to our estimates of purchase price allocation will be made in the periods in which the adjustments are determined, but no later than the one year measurement period, and the cumulative effect of such adjustments will be calculated as if the adjustments had been completed as of the acquisition dates. Adjustments recorded during the nine months ended September 30, 2021 were not material to our results from operations.


IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q									19

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

4. DIVESTMENTS

On June 7, 2021, we sold our Intellectual Property Management ("IPM") business, also known as our technology escrow services business, which we predominantly operated in the United States, for total gross consideration of approximately $216,600 (the “IPM Divestment”). As a result of the IPM Divestment, we recorded a gain on sale of approximately $180,600 to Other (income) expense, net, during the nine months ended September 30, 2021, the substantial majority of which was recorded during the second quarter of 2021, representing the excess of the fair value of the consideration received over the sum of the carrying value of the IPM business.

We have concluded that the IPM Divestment does not meet the criteria to be reported as discontinued operations in our consolidated financial statements, as our decision to divest this business does not represent a strategic shift that will have a major effect on our operations and financial results. Accordingly, the revenues and expenses associated with this business are presented as a component of operating income (loss) in our Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2021 and 2020 through the closing date of the IPM Divestment and the cash flows associated with this business is presented as a component of cash flows from operations in our Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2021 and 2020 through the closing date of the IPM Divestment.

5. DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES

Derivative instruments we are party to include: (i) interest rate swap agreements (which are designated as cash flow hedges) and (ii) cross-currency swap agreements (which are designated as net investment hedges).

INTEREST RATE SWAP AGREEMENTS DESIGNATED AS CASH FLOW HEDGES

In March 2018, we entered into interest rate swap agreements to limit our exposure to changes in interest rates on a portion of our floating rate indebtedness. As of September 30, 2021 and December 31, 2020, we had $350,000 in notional value of interest rate swap agreements outstanding, which expire in March 2022. Under the interest rate swap agreements, we receive variable rate interest payments associated with the notional amount of each interest rate swap, based upon one-month LIBOR, in exchange for the payment of fixed interest rates as specified in the interest rate swap agreements.

In July 2019, we entered into forward-starting interest rate swap agreements to limit our exposure to changes in interest rates on a portion of our floating rate indebtedness once our current interest rate swap agreements expire in March 2022. The forward-starting interest rate swap agreements have $350,000 in notional value, commence in March 2022 and expire in March 2024. Under the forward-starting interest rate swap agreements, we will receive variable rate interest payments based upon one-month LIBOR, in exchange for the payment of fixed interest rates as specified in the interest rate swap agreements.

We have designated these interest rate swap agreements, including the forward-starting interest rate swap agreements, as cash flow hedges. Unrealized gains are recognized as assets, while unrealized losses are recognized as liabilities.

CROSS-CURRENCY SWAP AGREEMENTS DESIGNATED AS A HEDGE OF NET INVESTMENT

In August 2019, we entered into cross-currency swap agreements to hedge the variability of exchange rate impacts between the United States dollar and the Euro. Under the terms of the cross-currency swap agreements, we notionally exchanged approximately $110,000 at an interest rate of 6.0% for approximately 99,055 Euros at a weighted average interest rate of approximately 3.65%. These cross-currency swap agreements expire in August 2023 (“August 2023 Cross-Currency Swap Agreements”).

In September 2020, we entered into cross-currency swap agreements to hedge the variability of exchange rate impacts between the United States dollar and the Euro. Under the terms of the cross-currency swap agreements, we notionally exchanged approximately $359,200 at an interest rate of 4.5% for approximately 300,000 Euros at a weighted average interest rate of approximately 3.4%. These cross-currency swap agreements expire in February 2026 (“February 2026 Cross-Currency Swap Agreements”).

We have designated these cross-currency swap agreements as a hedge of net investment against certain of our Euro denominated subsidiaries and they require an exchange of the notional amounts at maturity. These cross-currency swap agreements are marked to market at each reporting period, representing the fair values of the cross-currency swap agreements, and any changes in fair value are recognized as a component of Accumulated other comprehensive items, net. Unrealized gains are recognized as assets while unrealized losses are recognized as liabilities.


20									IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

5. DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES (CONTINUED)

(Liabilities) assets recognized in our Condensed Consolidated Balance Sheets at September 30, 2021 and December 31, 2020, by derivative instrument, are as follows:


DERIVATIVE INSTRUMENTS(1)	SEPTEMBER 30, 2021		DECEMBER 31, 2020
Cash Flow Hedges(2)
Interest Rate Swap Agreements	$	(13,116)	$	(21,062)
Net Investment Hedges(3)
August 2023 Cross-Currency Swap Agreements	$	(2,296)	$	(8,229)
February 2026 Cross-Currency Swap Agreements	1,214		(20,412)

(1)Our derivative assets are included as a component of Other assets in our Condensed Consolidated Balance Sheets and our derivative liabilities are included either as a component of (i) Accrued expenses and other current liabilities or (ii) Other long-term liabilities in our Condensed Consolidated Balance Sheets. As of September 30, 2021, $1,214 is included within Other assets, $4,296 is included within Accrued expenses and other current liabilities and $11,116 is included within Other long-term liabilities. As of December 31, 2020, $49,703 is included within Other long-term liabilities.

(2)As of September 30, 2021, cumulative net losses of $13,116 are recorded within Accumulated other comprehensive items, net associated with these interest rate swap agreements.

(3)As of September 30, 2021, cumulative net losses of $1,082 are recorded within Accumulated other comprehensive items, net associated with these cross-currency swap agreements.

Unrealized gains (losses) recognized during the three and nine months ended September 30, 2021 and 2020, by derivative instrument, are as follows:


	THREE MONTHS ENDED SEPTEMBER 30,				NINE MONTHS ENDED SEPTEMBER 30,
DERIVATIVE INSTRUMENTS(1)	2021		2020		2021		2020
Cash Flow Hedges
Interest Rate Swap Agreements	$	1,950	$	1,185	$	7,946	$	(14,445)
Net Investment Hedges
August 2023 Cross-Currency Swap Agreements	$	2,655	$	(5,716)	$	5,933	$	(1,408)
February 2026 Cross-Currency Swap Agreements	10,060		4,346		21,626		4,346

(1)These amounts are recognized as unrealized gains (losses), a component of Accumulated other comprehensive items, net.

EURO NOTES DESIGNATED AS A HEDGE OF NET INVESTMENT

Prior to their redemption in August 2020, we designated a portion of our previously outstanding 3% Euro Senior Notes due 2025 (the “Euro Notes”) as a hedge of net investment of certain of our Euro denominated subsidiaries. From January 1, 2020 through March 31, 2020, we designated 300,000 Euros of our Euro Notes as a hedge of net investment of certain of our Euro denominated subsidiaries. As a result, we recorded foreign exchange (gains) losses related to the change in fair value of such debt due to currency translation adjustments as a component of Accumulated other comprehensive items, net.

Foreign exchange gains (losses) associated with this hedge of net investment for the three and nine months ended September 30, 2021 and 2020 are as follows:


	THREE MONTHS ENDED SEPTEMBER 30,				NINE MONTHS ENDED SEPTEMBER 30,
	2021(1)		2020		2021(1)		2020
Foreign exchange gains (losses) associated with net investment hedge	$	—	$	(16,604)	$	—	$	(17,005)

(1)As there are no hedges of net investment outstanding during the three and nine months ended September 30, 2021, no foreign exchange gains (losses) associated with hedges of net investment have been recognized.

As of September 30, 2021, cumulative net gains of $3,256, net of tax, are recorded in Accumulated other comprehensive items, net associated with this net investment hedge.


IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q									21

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

6. DEBT

Long-term debt is as follows:


	SEPTEMBER 30, 2021								DECEMBER 31, 2020
	DEBT (INCLUSIVE OF DISCOUNT)		UNAMORTIZED DEFERRED FINANCING COSTS		CARRYING AMOUNT		FAIR VALUE		DEBT (INCLUSIVE OF DISCOUNT)		UNAMORTIZED DEFERRED FINANCING COSTS		CARRYING AMOUNT		FAIR VALUE
Revolving Credit Facility(1)	$	310,000	$	(6,034)	$	303,966	$	310,000	$	—	$	(8,620)	$	(8,620)	$	—
Term Loan A(1)	206,250		—		206,250		206,250		215,625		—		215,625		215,625
Term Loan B	674,540		(5,308)		669,232		675,500		679,621		(6,244)		673,377		680,750
Australian Dollar Term Loan (the “AUD Term Loan”)(2)	223,109		(881)		222,228		223,557		243,152		(1,624)		241,528		244,014
UK Bilateral Revolving Credit Facility (the “UK Bilateral Facility”)	188,431		(874)		187,557		188,431		191,101		(1,307)		189,794		191,101
37/8% GBP Senior Notes due 2025 (the “GBP Notes”)	538,374		(4,151)		534,223		544,431		546,003		(4,983)		541,020		553,101
47/8% Senior Notes due 2027 (the “47/8% Notes due 2027”)(3)	1,000,000		(8,532)		991,468		1,035,000		1,000,000		(9,598)		990,402		1,046,250
51/4% Senior Notes due 2028 (the “51/4% Notes due 2028”)(3)	825,000		(7,676)		817,324		861,094		825,000		(8,561)		816,439		868,313
5% Senior Notes due 2028 (the “5% Notes”)(3)	500,000		(4,944)		495,056		521,250		500,000		(5,486)		494,514		523,125
47/8% Senior Notes due 2029 (the “47/8% Notes due 2029”)(3)	1,000,000		(11,573)		988,427		1,047,500		1,000,000		(12,658)		987,342		1,050,000
51/4% Senior Notes due 2030 (the “51/4 Notes due 2030”)(3)	1,300,000		(13,287)		1,286,713		1,376,375		1,300,000		(14,416)		1,285,584		1,400,750
41/2% Senior Notes due 2031 (the “41/2% Notes”)(3)	1,100,000		(11,715)		1,088,285		1,111,000		1,100,000		(12,648)		1,087,352		1,138,500
55/8% Senior Notes due 2032 (the “55/8% Notes”)(3)	600,000		(6,292)		593,708		642,000		600,000		(6,727)		593,273		660,000
Real Estate Mortgages, Financing Lease Liabilities and Other	483,934		(905)		483,029		483,934		511,922		(1,086)		510,836		511,922
Accounts Receivable Securitization Program	266,400		(449)		265,951		266,400		85,000		(152)		84,848		85,000
Total Long-term Debt	9,216,038		(82,621)		9,133,417				8,797,424		(94,110)		8,703,314
Less Current Portion	(319,025)		881		(318,144)				(193,759)		—		(193,759)
Long-term Debt, Net of Current Portion	$	8,897,013	$	(81,740)	$	8,815,273			$	8,603,665	$	(94,110)	$	8,509,555

(1)Collectively, the “Credit Agreement”. The Credit Agreement consists of a revolving credit facility (the “Revolving Credit Facility”) and a term loan (the “Term Loan A”). The Credit Agreement is scheduled to mature on June 3, 2023. In addition, we also had various outstanding letters of credit totaling $3,064. The remaining amount available for borrowing under the Revolving Credit Facility as of September 30, 2021 was $1,436,936 (which amount represents the maximum availability as of such date). The average interest rate in effect under the Credit Agreement was 1.8% and 1.9% as of September 30, 2021 and December 31, 2020, respectively.

(2)The AUD Term Loan is scheduled to mature on September 22, 2022, at which point all obligations become due. The full amount of the AUD Term Loan is classified within the current portion of long-term debt in our Condensed Consolidated Balance Sheet as of September 30, 2021.

(3) Collectively, the “Parent Notes”.

See Note 6 to Notes to Consolidated Financial Statements included in our Annual Report for additional information regarding the Credit Agreement and our other long-term debt, including the direct obligors of each of our debt instruments as well as information regarding the fair value of our debt instruments (including the levels of the fair value hierarchy used to determine the fair value of our debt instruments). The levels of the fair value hierarchy used to determine the fair value of our debt as of September 30, 2021 are consistent with the levels of the fair value hierarchy used to determine the fair value of our debt as of December 31, 2020 (which are disclosed in our Annual Report).


22									IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

6. DEBT (CONTINUED)


UK BILATERAL REVOLVING CREDIT FACILITY On May 25, 2021, Iron Mountain (UK) PLC and Iron Mountain (UK) Data Centre Limited (collectively, the "UK Borrowers") entered into an amendment to the UK Bilateral Facility with Barclays Bank PLC to (i) modify the interest rate from LIBOR plus 2.25% to LIBOR plus 2.0% (with flexibility built in for the expected transition away from LIBOR) and (ii) add an additional option to extend the maturity date by one year. After this amendment, the UK Bilateral Facility contains two one-year options that allow us to extend the maturity date beyond the September 23, 2022 expiration date, subject to certain conditions specified in the UK Bilateral Facility, including the lender's consent. On September 23, 2021, the UK Borrowers executed the one-year option to extend the maturity date to September 24, 2023. There were no other changes to the terms of the UK Bilateral Revolving Credit Facility described in Note 6 to Notes to Consolidated Financial Statements included in our Annual Report.									MAXIMUM AMOUNT £140,000 OPTIONAL ADDITIONAL COMMITMENTS £125,000 INTEREST RATE 2.1% As of September 30, 2021


ACCOUNTS RECEIVABLE SECURITIZATION PROGRAM On June 28, 2021, we entered into an amendment to the Accounts Receivable Securitization Program to extend the maturity date from July 30, 2021 to July 1, 2023, at which point all obligations become due. The interest rate under the amended Accounts Receivable Securitization Program is LIBOR plus 1.0%. The full amount outstanding under the Accounts Receivable Securitization Program is classified within long-term debt, net of current portion at September 30, 2021 and within current portion of long-term debt at December 31, 2020 in our Condensed Consolidated Balance Sheets. There were no other changes to the terms of the Accounts Receivable Securitization Program described in Note 6 to Notes to Consolidated Financial Statements included in our Annual Report.									OUTSTANDING BORROWINGS $266,400 INTEREST RATE 1.1% As of September 30, 2021

CASH POOLING

During the third quarter of 2021, certain of our subsidiaries in the Asia Pacific region began to participate in two cash pooling arrangements with JP Morgan Chase Bank, N.A. (“JPM”), one of which we utilize to manage global liquidity requirements for our QRSs in the Asia Pacific region (the “JPM QRS Cash Pool") and the other for our TRSs in the Asia Pacific region (the "JPM TRS Cash Pool") (collectively, the “JPM Cash Pools”). Under the JPM Cash Pools, cash deposited by participating subsidiaries with JPM is pledged as security against the debit balances of other participating subsidiaries, and legal rights of offset are provided and, therefore, amounts are presented in our Condensed Consolidated Balance Sheets on a net basis. Each subsidiary receives interest on the cash balances held on deposit or pays interest on its debit balances based on an applicable rate as defined in the JPM Cash Pools. We have executed overdraft facility agreements for the JPM QRS Cash Pool and the JPM TRS Cash Pool in amounts not to exceed $12,000 and $10,000, respectively. Each overdraft facility permits us to cover a temporary net debit position in the applicable pool.

In addition to the JPM Cash Pools, we also utilize two separate cash pooling arrangements with Bank Mendes Gans ("BMG"), one of which we utilize to manage global liquidity requirements for our QRSs (the “BMG QRS Cash Pool”) and the other for our TRSs (the “BMG TRS Cash Pool”), each as described in more detail in Note 6 to Notes to Consolidated Financial Statements included in our Annual Report.


IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q									23

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

6. DEBT (CONTINUED)

The approximate amount of the net cash position for our cash pools and the approximate amount of the gross position and outstanding debit balances for each of these pools as of September 30, 2021 and December 31, 2020 are as follows:


	SEPTEMBER 30, 2021						DECEMBER 31, 2020
	GROSS CASH POSITION		OUTSTANDING DEBIT BALANCES		NET CASH POSITION		GROSS CASH POSITION		OUTSTANDING DEBIT BALANCES		NET CASH POSITION
BMG QRS Cash Pool	$	566,100	$	(562,400)	$	3,700	$	448,700	$	(447,400)	$	1,300
BMG TRS Cash Pool	579,300		(578,300)		1,000		555,500		(553,500)		2,000
JPM QRS Cash Pool	4,200		(2,300)		1,900		—		—		—
JPM TRS Cash Pool	5,200		(4,700)		500		—		—		—

The net cash position balances as of September 30, 2021 and December 31, 2020 are reflected as cash and cash equivalents in our Condensed Consolidated Balance Sheets.

LETTERS OF CREDIT

As of September 30, 2021, we had outstanding letters of credit totaling $36,506, of which $3,064 reduce our borrowing capacity under the Revolving Credit Facility (as described above). The letters of credit expire at various dates between October 2021 and March 2025.

DEBT COVENANTS

The Credit Agreement, our bond indentures and other agreements governing our indebtedness contain certain restrictive financial and operating covenants, including covenants that restrict our ability to complete acquisitions, pay cash dividends, incur indebtedness, make investments, sell assets and take other specified corporate actions. The covenants do not contain a rating trigger. Therefore, a change in our debt rating would not trigger a default under the Credit Agreement, our bond indentures or other agreements governing our indebtedness. The Credit Agreement requires that we satisfy a fixed charge coverage ratio, a net total lease adjusted leverage ratio and a net secured debt lease adjusted leverage ratio on a quarterly basis and our bond indentures require that, among other things, we satisfy a leverage ratio (not lease adjusted) or a fixed charge coverage ratio (not lease adjusted), as a condition to taking actions such as paying dividends and incurring indebtedness.

The Credit Agreement uses EBITDAR-based calculations and the bond indentures use EBITDA-based calculations as the primary measures of financial performance for purposes of calculating leverage and fixed charge coverage ratios. The EBITDAR- and EBITDA-based leverage calculations include our consolidated subsidiaries, other than those we have designated as “Unrestricted Subsidiaries” as defined in the Credit Agreement and bond indentures. Generally, the Credit Agreement and the bond indentures use a trailing four fiscal quarter basis for purposes of the relevant calculations and require certain adjustments and exclusions for purposes of those calculations, which make the calculation of financial performance for purposes of those calculations under the Credit Agreement and bond indentures not directly comparable to Adjusted EBITDA as presented herein. We are in compliance with our leverage and fixed charge coverage ratios under the Credit Agreement, our bond indentures and other agreements governing our indebtedness as of September 30, 2021 and December 31, 2020. Noncompliance with these leverage and fixed charge coverage ratios would have a material adverse effect on our financial condition.

7. COMMITMENTS AND CONTINGENCIES

We are involved in litigation from time to time in the ordinary course of business, including litigation arising from damage to customer assets in our facilities caused by fires and other natural disasters. While the outcome of such litigation is inherently uncertain, we do not believe any current litigation will have a material adverse effect on our consolidated financial condition, results of operations or cash flows.

We have estimated a reasonably possible range for all loss contingencies and believe it is reasonably possible that we could incur aggregate losses in addition to amounts currently accrued for all matters up to an additional $26,000 over the next several years, of which certain amounts would be covered by insurance or indemnity arrangement.


24									IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

8. STOCKHOLDERS' EQUITY MATTERS

In fiscal year 2020 and the nine months ended September 30, 2021, our board of directors declared the following dividends:


DECLARATION DATE	DIVIDEND PER SHARE		RECORD DATE	TOTAL AMOUNT		PAYMENT DATE
February 13, 2020	$	0.6185	March 16, 2020	$	178,047	April 6, 2020
May 5, 2020	0.6185		June 15, 2020	178,212		July 2, 2020
August 5, 2020	0.6185		September 15, 2020	178,224		October 2, 2020
November 4, 2020	0.6185		December 15, 2020	178,290		January 6, 2021
February 24, 2021	0.6185		March 15, 2021	178,569		April 6, 2021
May 6, 2021	0.6185		June 15, 2021	179,026		July 6, 2021
August 5, 2021	0.6185		September 15, 2021	179,080		October 6, 2021

On November 4, 2021, we declared a dividend to our stockholders of record as of December 15, 2021 of $0.6185 per share, payable on January 6, 2022.

9. SEGMENT INFORMATION

Our three reportable operating segments as of December 31, 2020 are described in Note 10 to Notes to Consolidated Financial Statements included in our Annual Report and are as follows:

Global Records and Information Management (“Global RIM”) Business
Global Data Center Business
Corporate and Other Business

The operations associated with acquisitions completed during the first nine months of 2021 have been incorporated into our existing reportable operating segments.

An analysis of our business segment information and reconciliation to the accompanying Condensed Consolidated Financial Statements for the three and nine months ended September 30, 2021 and 2020 is as follows:


	THREE MONTHS ENDED SEPTEMBER 30,				NINE MONTHS ENDED SEPTEMBER 30,
	2021		2020		2021		2020
Global RIM Business
Total Revenues	$	995,577	$	921,773	$	2,955,803	$	2,755,294
Adjusted EBITDA	442,798		393,883		1,281,668		1,169,671
Global Data Center Business
Total Revenues	$	88,587	$	72,814	$	236,672	$	206,939
Adjusted EBITDA	35,097		33,359		98,961		94,812
Corporate and Other Business
Total Revenues	$	45,984	$	42,060	$	139,469	$	125,384
Adjusted EBITDA	(60,126)		(51,230)		(176,664)		(163,010)
Total Consolidated
Total Revenues	$	1,130,148	$	1,036,647	$	3,331,944	$	3,087,617
Adjusted EBITDA	417,769		376,012		1,203,965		1,101,473


IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q									25

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

9. SEGMENT INFORMATION (CONTINUED)

During the fourth quarter of 2020, we changed our definition of Adjusted EBITDA to (a) exclude stock-based compensation expense and (b) include our share of Adjusted EBITDA from our unconsolidated joint ventures. All prior periods have been recast to conform to these changes. We now define Adjusted EBITDA for each segment as net income (loss) before interest expense, net, provision (benefit) for income taxes, depreciation and amortization (inclusive of our share of Adjusted EBITDA from our unconsolidated joint ventures), and excluding certain items we do not believe to be indicative of our core operating results, specifically:



EXCLUDED
•Acquisition and Integration Costs						•Other (income) expense, net
•Restructuring Charges						•Stock-based compensation expense
•Intangible impairments						•COVID-19 Costs (as defined below)
•(Gain) loss on disposal/write-down of property, plant and equipment, net (including real estate)

Internally, we use Adjusted EBITDA as the basis for evaluating the performance of, and allocated resources to, our operating segments.

A reconciliation of Net Income (Loss) to Adjusted EBITDA on a consolidated basis for the three and nine months ended September 30, 2021 and 2020 is as follows:


	THREE MONTHS ENDED SEPTEMBER 30,				NINE MONTHS ENDED SEPTEMBER 30,
	2021		2020		2021		2020
Net Income (Loss)	$	68,111	$	38,562	$	391,264	$	96,341
Add/(Deduct):
Interest expense, net	103,809		104,303		313,451		313,408
Provision (benefit) for income taxes	28,017		13,934		153,073		33,304
Depreciation and amortization	174,818		157,252		507,145		483,686
Acquisition and Integration Costs	1,138		—		3,415		—
Restructuring Charges	50,432		48,371		129,686		128,715
Intangible impairments	—		—		—		23,000
(Gain) loss on disposal/write-down of property, plant and equipment, net (including real estate)	(935)		(75,840)		(134,321)		(78,170)
Other (income) expense, net, excluding our share of losses (gains) from our unconsolidated joint ventures	(21,517)		81,190		(209,001)		59,398
Stock-based compensation expense(1)	12,644		8,065		45,913		32,056
COVID-19 Costs(2)	—		—		—		9,285
Our share of Adjusted EBITDA reconciling items from our unconsolidated joint ventures	1,252		175		3,340		450
Adjusted EBITDA	$	417,769	$	376,012	$	1,203,965	$	1,101,473

(1) Stock-based compensation expense related to Project Summit is included within Restructuring Charges for the three and nine months ended September 30, 2021 and 2020.

(2) Costs that are incremental and directly attributable to the COVID-19 pandemic which are not expected to recur once the pandemic ends ("COVID-19 Costs"). These costs include the purchase of personal protective equipment for our employees and incremental cleaning costs of our facilities, among other direct costs.


26									IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

9. SEGMENT INFORMATION (CONTINUED)

Information as to our revenues by product and service lines by segment for the three and nine months ended September 30, 2021 and 2020 are as follows:


	THREE MONTHS ENDED SEPTEMBER 30,				NINE MONTHS ENDED SEPTEMBER 30,
	2021		2020		2021		2020
Global RIM Business
Records Management(1)	$	767,059	$	712,182	$	2,285,000	$	2,118,767
Data Management(1)	115,261		121,936		351,914		367,093
Information Destruction(1)(2)	113,257		87,655		318,889		269,434
Data Center(1)	—		—		—		—

Global Data Center Business
Records Management(1)	$	—	$	—	$	—	$	—
Data Management(1)	—		—		—		—
Information Destruction(1)(2)	—		—		—		—
Data Center(1)	88,587		72,814		236,672		206,939

Corporate and Other Business
Records Management(1)	$	30,453	$	25,720	$	91,461	$	75,675
Data Management(1)	15,531		16,340		48,008		49,709
Information Destruction(1)(2)	—		—		—		—
Data Center(1)	—		—		—		—

Total Consolidated
Records Management(1)	$	797,512	$	737,902	$	2,376,461	$	2,194,442
Data Management(1)	130,792		138,276		399,922		416,802
Information Destruction(1)(2)	113,257		87,655		318,889		269,434
Data Center(1)	88,587		72,814		236,672		206,939

(1)Each of the offerings within our product and service lines has a component of revenue that is storage rental related and a component that is service revenues, except for information destruction, which does not have a storage rental component.

(2)Includes secure shredding services.

10. RELATED PARTIES

In October 2020, in connection with the formation of the Frankfurt JV, we entered into agreements whereby we will earn various fees, including property management and construction and development fees, for services we are providing to the Frankfurt JV (the “Frankfurt JV Agreements”). Revenues and expenses associated with the Frankfurt JV Agreements are presented as a component of our Global Data Center Business segment. During the three and nine months ended September 30, 2021, we recognized revenue of approximately $1,200 and $3,100, respectively, associated with the Frankfurt JV Agreements.

In March 2019, in connection with the formation of the MakeSpace JV, we entered into a storage and service agreement with the MakeSpace JV to provide certain storage and related services to the MakeSpace JV (the “MakeSpace Agreement”). Revenues and expenses associated with the MakeSpace Agreement are presented as a component of our Global RIM Business segment. We recognized revenue of approximately $9,300 and $24,900 for the three and nine months ended September 30, 2021, respectively, and $8,400 and $22,300 for the three and nine months ended September 30, 2020, respectively, associated with the MakeSpace Agreement.


IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q									27

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

11. PROJECT SUMMIT

In October 2019, we announced our global program designed to better position us for future growth and achievement of our strategic objectives (“Project Summit”). As a result of the program, we expect to reduce the number of positions at vice president and above by approximately 45%. The total program is expected to reduce our total managerial and administrative workforce by approximately 700 positions by the end of 2021. We have also reduced our services and operations workforce. As of September 30, 2021, we have completed approximately 95% of our planned workforce reductions. The activities associated with Project Summit began in the fourth quarter of 2019 and are expected to be substantially complete by the end of 2021.

We estimate that the implementation of Project Summit will result in total operating expenditures (“Restructuring Charges”) of approximately $450,000 that primarily consist of: (1) employee severance costs; (2) internal costs associated with the development and implementation of Project Summit initiatives; (3) professional fees, primarily related to third party consultants who are assisting with the design and execution of various initiatives as well as project management activities and (4) system implementation and data conversion costs.

Restructuring Charges included in the accompanying Condensed Consolidated Statements of Operations for the three and nine months ended September 30, 2021 and 2020, and from the inception of Project Summit through September 30, 2021, are as follows:


	THREE MONTHS ENDED SEPTEMBER 30,				NINE MONTHS ENDED SEPTEMBER 30,				FROM THE INCEPTION OF PROJECT SUMMIT THROUGH SEPTEMBER 30, 2021
	2021		2020		2021		2020
Employee severance costs	$	6,797	$	13,579	$	14,526	$	31,229	$	82,725
Professional fees and other costs	43,635		34,792		115,160		97,486		289,954
Restructuring Charges	$	50,432	$	48,371	$	129,686	$	128,715	$	372,679

Restructuring Charges by segment for the three and nine months ended September 30, 2021 and 2020, and from the inception of Project Summit through September 30, 2021, are as follows:


	THREE MONTHS ENDED SEPTEMBER 30,				NINE MONTHS ENDED SEPTEMBER 30,				FROM THE INCEPTION OF PROJECT SUMMIT THROUGH SEPTEMBER 30, 2021
	2021		2020		2021		2020
Global RIM Business	$	11,362	$	16,183	$	27,528	$	37,245	$	116,568
Global Data Center Business	1,285		296		2,922		986		4,860
Corporate and Other Business	37,785		31,892		99,236		90,484		251,251
Restructuring Charges	$	50,432	$	48,371	$	129,686	$	128,715	$	372,679


28									IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q

Part I. Financial Information

IRON MOUNTAIN INCORPORATED

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

(In thousands, except share and per share data) (Unaudited)

11. PROJECT SUMMIT (CONTINUED)

A rollforward of the accrued Restructuring Charges, which is included as a component of Accrued expenses and other current liabilities in our Condensed Consolidated Balance Sheets, from December 31, 2019 through September 30, 2021, is as follows:



	EMPLOYEE SEVERANCE COSTS		PROFESSIONAL FEES AND OTHER		TOTAL ACCRUED RESTRUCTURING CHARGES




Balance as of December 31, 2019	$	4,823	$	12,954	$	17,777
Amounts accrued	47,349		147,047		194,396
Payments	(32,455)		(136,222)		(168,677)
Other, including currency translation adjustments	(3,439)		(4)		(3,443)
Balance as of December 31, 2020	16,278		23,775		40,053
Amounts accrued	14,525		115,161		129,686
Payments	(20,771)		(112,714)		(133,485)
Other, including currency translation adjustments	(939)		—		(939)
Balance as of September 30, 2021	$	9,093	$	26,222	$	35,315


IRON MOUNTAIN SEPTEMBER 30, 2021 FORM 10-Q									29

Part I. Financial Information

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