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Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2019

Summary of Significant Accounting Policies

Summary of Significant Accounting PoliciesThis Note 2 to Notes to Condensed Consolidated Financial Statements provides information and disclosure regarding certain of our significant accounting policies and should be read in conjunction with Note 2 to Notes to Consolidated Financial Statements included in our Annual Report, which may provide additional information with regard to the accounting policies set forth herein and other of our 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.

At June 30, 2019 and December 31, 2018, we had approximately $9,059 and $15,141, respectively, of restricted cash held by certain financial institutions related to bank guarantees.

b. Goodwill and Other Intangible Assets and Liabilities

Goodwill

Since December 31, 2018, there have been no changes to our accounting polices related to the accounting for goodwill. As of June 30, 2019 and December 31, 2018, no factors were identified that would alter our October 1, 2018 goodwill impairment analysis.

Our reporting units as of December 31, 2018 are described in detail in Note 2.h. to Notes to Consolidated Financial Statements included in our Annual Report. On March 19, 2019, we divested the business included in our former Consumer Storage reporting unit, which had no goodwill associated with it at December 31, 2018 or at the date of the divestment. See Note 9 for additional information.

The goodwill associated with acquisitions completed during the first six months of 2019 (which are described in Note 3) has been incorporated into our reporting units as they existed as of December 31, 2018.

The changes in the carrying value of goodwill attributable to each reportable operating segment for the six months ended June 30, 2019 are as follows:



	North American Records and Information Management Business		North American Data Management Business		Western European Business			Other International Business		Global Data Center Business		Corporate and Other Business			Total Consolidated
Goodwill balance, net of accumulated amortization as of December 31, 2018	$	2,251,795	$	493,491	$	381,806		$	818,223	$	425,956	$	69,759		$	4,441,030
Deductible goodwill acquired during the year	5,501		—		—			2,758		—		—			8,259
Non-deductible goodwill acquired during the year	—		—		5,011			4,387		—		1,904			11,302
Fair value and other adjustments(1)	55		—		959			2,842		258		(422		)	3,692
Currency effects	7,704		2,093		(2,851		)	1,907		193		95			9,141
Goodwill balance, net accumulated amortization as of June 30, 2019	$	2,265,055	$	495,584	$	384,925		$	830,117	$	426,407	$	71,336		$	4,473,424
Accumulated Goodwill Impairment Balance as of December 31, 2018	$	85,909	$	—	$	46,500		$	—	$	—	$	3,011		$	135,420
Accumulated Goodwill Impairment Balance as of June 30, 2019	$	85,909	$	—	$	46,500		$	—	$	—	$	3,011		$	135,420

_______________________________________________________________________________


(1)	Total fair value and other adjustments primarily include $3,755 in net adjustments related to property, plant and equipment, customer relationships and data center lease-based intangible assets and deferred income taxes and other liabilities offset by $63 of cash received related to certain acquisitions completed in 2018.

Finite-lived Intangible Assets and Liabilities

Finite-lived intangible assets and liabilities are primarily comprised of customer relationship intangible assets, customer inducements and data center intangible assets and liabilities (which include data center in-place lease intangible assets, data center tenant relationship intangible assets, data center above-market in-place lease intangible assets and data center below-market in-place lease intangible assets). Since December 31, 2018, there have been no changes to our accounting policies related to the accounting for any of our finite-lived intangible assets and liabilities as disclosed in Note 2.i. to Notes to Consolidated Financial Statements included in our Annual Report.

The gross carrying amount and accumulated amortization of our finite-lived intangible assets as of June 30, 2019 and December 31, 2018 are as follows:



	June 30, 2019							December 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Assets:
Customer relationship intangible assets	$	1,766,769	$	(511,672	)	$	1,255,097	$	1,718,919	$	(455,705	)	$	1,263,214
Customer inducements	52,542		(29,091		)	23,451		56,478		(34,181		)	22,297
Data center lease-based intangible assets(1)	266,263		(77,786		)	188,477		271,818		(50,807		)	221,011
Third-party commissions asset(2)	31,391		(1,874		)	29,517		30,071		(1,089		)	28,982
	$	2,116,965	$	(620,423	)	$	1,496,542	$	2,077,286	$	(541,782	)	$	1,535,504
Liabilities:
Data center below-market leases	$	12,765	$	(2,954	)	$	9,811	$	12,318	$	(1,642	)	$	10,676

_______________________________________________________________________________


(1)	Includes data center in-place lease intangible assets, data center tenant relationship intangible assets and data center above-market in-place lease intangible assets.

(2)

Third-party commissions asset is included in Other, a component of Other assets, net in the accompanying Condensed Consolidated Balance Sheets as of June 30, 2019 and December 31, 2018. The third-party commissions asset is primarily comprised of additional payments associated with the execution of future customer contracts through the one-year anniversary of the acquisition of IODC, as described in Note 3.

Other finite-lived intangible assets, including trade names, noncompetition agreements and trademarks, are capitalized and amortized and are included in depreciation and amortization in the accompanying Condensed Consolidated Statements of Operations for the three and six months ended June 30, 2019 and 2018. The other finite-lived intangible assets as of June 30, 2019 and December 31, 2018 are as follows:



	June 30, 2019							December 31, 2018
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Other finite-lived intangible assets (included in Other, a component of other assets, net)	$	19,960	$	(16,482	)	$	3,478	$	20,310	$	(14,798	)	$	5,512

Amortization expense associated with finite-lived intangible assets, revenue reduction associated with the amortization of customer inducements and net revenue reduction associated with the amortization of data center above-market leases and data center below-market leases for the three and six months ended June 30, 2019 and 2018 are as follows:



	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Amortization expense included in depreciation and amortization associated with:
Customer relationship and customer inducement intangible assets	$	28,283	$	28,813	$	56,164	$	57,619
Data center in-place leases and tenant relationships	11,372		7,563		23,981		18,401
Third-party commissions asset and other finite-lived intangible assets	2,184		1,659		2,941		2,844
Revenue reduction associated with amortization of:
Customer inducements	$	2,598	$	2,968	$	5,338	$	5,553
Data center above-market leases and data center below-market leases	935		1,293		1,840		2,372

c. Revenues

Since December 31, 2018, there have been no changes to our accounting policies related to the accounting for revenues as disclosed in Note 2.l. to Notes to Consolidated Financial Statements included in our Annual Report.

The costs of the initial intake of customer records into physical storage ("Intake Costs") and capitalized commissions asset (collectively, "Contract Fulfillment Costs") as of June 30, 2019 and December 31, 2018 are as follows:



		June 30, 2019							December 31, 2018
Description	Location in Balance Sheet	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Intake Costs asset	Other (within Other Assets, Net)	$	34,915	$	(19,398	)	$	15,517	$	39,748	$	(24,504	)	$	15,244
Capitalized commissions asset	Other (within Other Assets, Net)	48,564		(17,895		)	30,669		58,424		(34,637		)	23,787

Amortization expense associated with the Intake Costs asset and capitalized commissions asset for the three and six months ended June 30, 2019 and 2018 are as follows:



	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Intake Costs asset	$	2,835	$	2,891	$	5,514	$	5,621
Capitalized commissions asset	5,935		3,793		9,881		7,380

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



Description	Location in Balance Sheet	June 30, 2019		December 31, 2018
Deferred revenue - Current	Deferred revenue	$	268,779	$	264,823
Deferred revenue - Long-term	Other Long-term Liabilities	25,436		26,401

Data Center Lessor Considerations

Our data center business features storage rental provided to customers at contractually specified rates over a fixed contractual period. Prior to January 1, 2019, our data center revenue contracts were accounted for in accordance with Accounting Standards Codification (“ASC”) No. 840, Leases ("ASC 840"). On January 1, 2019, we adopted ASU 2016-02, as described in more detail in Note 2.d. Beginning on January 1, 2019, our data center revenue contracts will be accounted for in accordance with ASU 2016-02. ASU 2016-02 provides a practical expedient which allows lessors to account for nonlease components (such as power and connectivity, in the case of our data center business) with the related lease component if both the timing and pattern of transfer are the same for nonlease components and the lease component, and the lease component would be classified as an operating lease. The single combined component is accounted for under ASU 2016-02 if the lease component is the predominant component and is accounted for under ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606) ("ASU 2014-09"), if the nonlease components are the predominant components. We have elected to take this practical expedient. Storage rental revenue associated with our data center business was $60,582 and $120,300 for the three and six months ended June 30, 2019, respectively, which includes approximately $9,900 and $19,000 of revenue associated with power and connectivity for the three and six months ended June 30, 2019, respectively. The revenue related to the service component of our data center business remains unchanged from the adoption of ASU 2016-02 and is recognized in the period the related services are provided. Our accounting treatment for data center revenue was not significantly impacted by the adoption of ASU 2016-02.

The future minimum lease payments we expect to receive under non-cancellable data center operating leases, for which we are the lessor, excluding month to month leases, for the next five years are as follows:



	Future minimum lease payments
2019 (excluding the six months ended June 30, 2019)	$	103,016
2020	155,581
2021	111,945
2022	79,763
2023	61,684

d. 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. The majority of our leased facilities are classified as operating leases that, on average, have initial lease terms of five to 10 years, with one or more lease renewal options to extend the lease term. Our lease renewal option terms generally range from one to five years. The exercise of the lease renewal option is at our sole discretion and may contain fixed rent, fair market value based rent or Consumer Price Index rent escalation clauses. We include option periods in the lease term when our failure to renew the lease would result in an economic disincentive, thereby making it reasonably certain that we will renew the lease. We recognize straight line rental expense over the life of the lease and any fair market value or Consumer Price Index rent escalations are recognized as variable lease expense in the period in which the obligation is incurred. In addition, we lease certain vehicles and equipment. Vehicle and equipment leases have lease terms ranging from one to seven years.

In February 2016, the Financial Accounting Standards Board ("FASB") issued ASU 2016-02, Leases (Topic 842) which requires lessees to recognize assets and liabilities on the balance sheet for the rights and obligations created by all leases, both operating and financing (formerly referred to as capital leases under ASC 840). ASU 2016-02 requires certain qualitative and quantitative disclosures designed to give financial statement users information on the amount, timing, and uncertainty of cash flows arising from leases.

We adopted ASU 2016-02 on January 1, 2019 on a modified retrospective basis under which we recognized and measured leases existing at, or entered into after, the beginning of the period of adoption. Therefore, we applied ASC 840 to all earlier comparative periods (prior to the adoption of ASU 2016-02), including disclosures, and recognized the effects of applying ASU 2016-02 as a cumulative-effect adjustment to retained earnings as of January 1, 2019, the effective date of the standard. As such, the comparative Condensed Consolidated Balance Sheet as of December 31, 2018 has not been restated to reflect the adoption of ASU 2016-02. Accordingly, the majority of the amount presented as deferred rent liabilities on our Consolidated Balance Sheet as of December 31, 2018 is now included in the calculation of operating lease right-of-use assets and any remaining amounts are now classified within other liability line items on our Condensed Consolidated Balance Sheet as of June 30, 2019. The transition guidance associated with ASU 2016-02 also permitted certain practical expedients. We elected the "package of 3" practical expedients permitted under the transition guidance which, among other things, allowed us to carryforward our historical lease classifications. We also adopted an accounting policy which provides that leases with an initial term of 12 months or less will not be included within the lease right-of-use assets and lease liabilities recognized on our Condensed Consolidated Balance Sheets after the adoption of ASU 2016-02. We will continue to recognize the lease payments for those leases with an initial term of 12 months or less in the Condensed Consolidated Statements of Operations on a straight-line basis over the lease term.

The lease right-of-use assets and related lease liabilities are classified as either operating or financing. Lease right-of-use assets are calculated as the net present value of future payments plus any capitalized initial direct costs less any tenant improvements or lease incentives. Lease liabilities are calculated as the net present value of future payments. In calculating the present value of the lease payments, we will utilize the rate stated within the lease (in the limited circumstances when such rate is available) or, if no rate is explicitly stated, we have elected to utilize a rate that reflects our securitized incremental borrowing rate by geography for the lease term. In July 2018, the FASB issued ASU 2018-11, Leases - Targeted Improvements ("ASU 2018-11"). ASU 2018-11 provides a practical expedient which allows lessees to account for nonlease components (which include common area maintenance, taxes, and insurance) with the related lease component. Any variable nonlease components are not included within the lease right-of-use asset and lease liability on the Condensed Consolidated Balance Sheets, and instead, are reflected as an expense in the period incurred. We have elected to take this practical expedient upon adoption of ASU 2016-02.

At January 1, 2019, we recognized the cumulative effect of initially applying ASU 2016-02 as an adjustment to the opening balance of (Distributions in excess of earnings) Earnings in excess of distributions, resulting in an increase of approximately $5,800 to stockholders' equity due to certain build to suit leases that were accounted for as financing leases under ASC 840, Leases, but are accounted for as operating leases under ASU 2016-02 at January 1, 2019.

Operating and financing lease right-of-use assets and lease liabilities as of June 30, 2019 and January 1, 2019 (date of adoption of ASU 2016-02) are as follows:



Description	Location in Balance Sheet	June 30, 2019		January 1, 2019 (Date of Adoption of ASU 2016-02)
Assets:
Operating lease right-of-use assets(1)	Operating lease right-of-use assets	$	1,793,807	$	1,825,721
Financing lease right-of-use assets, net of accumulated depreciation(2)	Property, plant and equipment, net	344,320		361,078
Total		$	2,138,127	$	2,186,799

Liabilities:
Current
Operating lease liabilities	Accrued expenses and other current liabilities	$	212,968	$	209,911
Financing lease liabilities	Current portion of long-term debt	50,116		50,437
Total current lease liabilities		263,084		260,348
Long-term
Operating lease liabilities	Long-term operating lease liabilities, net of current portion	1,655,477		1,685,771
Financing lease liabilities	Long-term Debt, net of current portion	331,233		350,263
Total long-term lease liabilities		1,986,710		2,036,034
Total		$	2,249,794	$	2,296,382

______________________________________________________________

(1) At June 30, 2019, these assets are comprised of approximately 98% real estate related assets (which include land, buildings and racking) and 2% non-real estate related assets (which include warehouse equipment, vehicles, furniture and fixtures and computer hardware and software).

(2) At June 30, 2019, these assets are comprised of approximately 62% real estate related assets and 38% non-real estate related assets.

The components of the lease expense for the three and six months ended June 30, 2019 are as follows:



Description	Location in Statement of Operations	Three Months Ended June 30, 2019		Six Months Ended June 30, 2019
Operating lease cost(1)	Cost of sales and Selling, general and administrative	$	113,392	$	222,571
Financing lease cost:
Depreciation of financing lease right-of-use assets	Depreciation and amortization	$	14,942	$	31,271
Interest expense for financing lease liabilities	Interest expense, net	4,925		11,067
Total financing lease cost		$	19,867	$	42,338

______________________________________________________________

(1) Of the $113,392 incurred for the three months ended June 30, 2019, $110,441 is included within Cost of sales and $2,951 is included within Selling, general and administrative expenses. Of the $222,571 incurred for the six months ended June 30, 2019, $216,335 is included within Cost of sales and $6,236 is included within Selling, general and administrative expenses. Operating lease cost includes variable lease costs of $23,847 and $46,610 for the three and six months ended June 30, 2019, respectively.

We sublease certain real estate to third parties. We recognized sublease income of $1,671 and $3,554 for the three and six months ended June 30, 2019, respectively.

Weighted average remaining lease terms and discount rates as of June 30, 2019 are as follows:



Remaining Lease Term:
Operating leases		11.0 Years
Financing leases		11.0 Years
Discount Rate:
Operating leases		7.1%
Financing leases		5.6%

The estimated minimum future lease payments as of June 30, 2019, are as follows:



Year	Operating Leases(1)			Sublease Income			Financing Leases(1)
2019 (excluding the six months ended June 30, 2019)	$	171,378		$	(3,494	)	$	40,635
2020	321,670			(5,728		)	60,377
2021	295,696			(4,828		)	54,766
2022	271,552			(4,462		)	48,071
2023	246,252			(4,333		)	40,351
Thereafter	1,482,286			(10,185		)	296,260
Total minimum lease payments	2,788,834			$	(33,030	)	540,460
Less amounts representing interest or imputed interest	(920,389		)				(159,111		)
Present value of lease obligations	$	1,868,445					$	381,349

The estimated minimum future lease payments as of December 31, 2018 are as follows:



Year	Operating Leases(1)		Sublease Income			Financing Leases(1)(2)
2019	$	323,454	$	(7,525	)	$	80,513
2020	293,276		(7,200		)	71,335
2021	267,379		(7,063		)	61,269
2022	246,128		(6,694		)	52,832
2023	221,808		(6,409		)	44,722
Thereafter	1,287,807		(6,279		)	377,750
Total minimum lease payments	$	2,639,852	$	(41,170	)	688,421
Less amounts representing interest						(241,248		)
Present value of lease obligations						$	447,173

_______________________________________________________________________________

(1)

Estimated minimum future lease payments exclude variable common area maintenance charges, insurance and taxes. Differences in estimated lease payments between June 30, 2019 and December 31, 2018 are primarily related to adjustments to account for certain build to suit leases that were accounted for as financing obligations under ASC 840 but are accounted for as operating leases under ASU 2016-02 and foreign currency exchange rate impacts.


(2)	Includes capital lease and financing obligations associated with build to suit lease transactions at December 31, 2018.

As of June 30, 2019, we do not have any material operating or financing leases that are signed but have not yet commenced and we have certain leases with related parties which are not material to our consolidated financial statements.

Other information: Supplemental cash flow information relating to our leases for the six months ended June 30, 2019 is as follows:



Cash paid for amounts included in measurement of lease liabilities:	Six Months Ended June 30, 2019
Operating cash flows used in operating leases	$	167,426
Financing cash flows used in financing leases	$	31,146
Non-cash items:
Operating lease modifications and reassessments	$	14,024
New operating leases (including acquisitions)	$	87,482
New financing leases, modifications and reassessments	$	13,662

e. Stock-Based Compensation

We record stock-based compensation expense, utilizing the straight-line method, for the cost of stock options, restricted stock units ("RSUs"), performance units ("PUs") and shares of stock issued under our employee stock purchase plan (together, "Employee Stock-Based Awards"). There have been no significant changes to our accounting policies, assumptions and valuation methodologies related to the accounting for our Employee Stock-Based Awards as disclosed in Note 2.n. to Notes to Consolidated Financial Statements included in our Annual Report.

For our Employee Stock-Based Awards made on or after February 20, 2019, we have included the following retirement provision: Upon an employee’s retirement on or after attaining age 58, if the sum of (i) the award recipient’s age at retirement and (ii) the award recipient’s years of service with the company totals at least 70, the award recipient is entitled to continued vesting of any outstanding Employee Stock-Based Awards which include the 2019 Retirement Criteria subsequent to their retirement, provided that, for awards granted in the year of retirement, their retirement occurs on or after July 1st (the “2019 Retirement Criteria”). Accordingly, (i) grants of Employee Stock-Based Awards to an employee who has met the 2019 Retirement Criteria on or before the date of grant, or will meet the Retirement Criteria before July 1^st of the year of the grant, will be expensed between the date of grant and July 1^st of the grant year and (ii) grants of Employee Stock-Based Awards to employees who will meet the 2019 Retirement Criteria during the award’s normal vesting period will be expensed between the date of grant and the date upon which the award recipient meets the 2019 Retirement Criteria. Stock options and RSUs granted to recipients who meet the 2019 Retirement Criteria will continue vesting on the original vesting schedule, and the stock options will remain exercisable up to three years after retirement, or the original expiration date of the stock options, if earlier. PUs granted to recipients who meet the 2019 Retirement Criteria will continue to vest and be delivered in accordance with the original vesting schedule of the applicable PU award and remain subject to the same performance conditions.

Stock-based compensation expense for Employee Stock-Based Awards for the three and six months ended June 30, 2019 was $12,501 ($11,649 after tax or $0.04 per basic and diluted share) and $21,020 ($19,585 after tax or $0.07 per basic and diluted share), respectively, and for the three and six months ended June 30, 2018 was $8,689 ($8,032 after tax or $0.03 per basic and diluted share) and $16,073 ($14,865 after tax or $0.05 per basic and diluted share), respectively. The substantial majority of the stock-based compensation expense for Employee Stock-Based Awards is included in Selling, general and administrative expenses in the accompanying Condensed Consolidated Statements of Operations. As of June 30, 2019, unrecognized compensation cost related to the unvested portion of our Employee Stock-Based Awards was $61,833 and is expected to be recognized over a weighted-average period of 2.1 years.

Stock Options

A summary of stock option activity for the six months ended June 30, 2019 is as follows:



	Stock Options
Outstanding at December 31, 2018	4,271,834
Granted	920,706
Exercised	(194,480	)
Forfeited	(12,525	)
Expired	(15,647	)
Outstanding at June 30, 2019	4,969,888
Options exercisable at June 30, 2019	3,160,175
Options expected to vest	1,704,441

Restricted Stock Units

The fair value of RSUs vested during the three and six months ended June 30, 2019 and 2018 is as follows:



	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Fair value of RSUs vested	$	2,375	$	676	$	17,710	$	16,006

A summary of RSU activity for the six months ended June 30, 2019 is as follows:



	RSUs
Non-vested at December 31, 2018	1,196,566
Granted	731,801
Vested	(527,239	)
Forfeited	(55,070	)
Non-vested at June 30, 2019	1,346,058

Performance Units

The fair value of earned PUs that vested during the three and six months ended June 30, 2019 and 2018 is as follows:



	Three Months Ended June 30,				Six Months Ended June 30,
	2019		2018		2019		2018
Fair value of earned PUs that vested	$	—	$	—	$	6,503	$	3,033

A summary of PU activity for the six months ended June 30, 2019 is as follows:



	Original PU Awards		PU Adjustment(1)		Total PU Awards
Non-vested at December 31, 2018	967,049		(299,948	)	667,101
Granted	380,856		—		380,856
Vested	(169,523	)	—		(169,523	)
Forfeited/Performance or Market Conditions Not Achieved	(11,093	)	(14,850	)	(25,943	)
Non-vested at June 30, 2019	1,167,289		(314,798	)	852,491

_______________________________________________________________________________


(1)	Represents an increase or decrease in the number of original PUs awarded based on either the final performance criteria or market condition achievement at the end of the performance period of such PUs or a change in estimated awards based on the forecasted performance against the predefined targets.

As of June 30, 2019, we expected 100% achievement of the predefined revenue, return on invested capital and Adjusted EBITDA (as defined in Note 6) targets associated with the awards of PUs made in 2019, 2018 and 2017.

f. Income (Loss) Per Share—Basic and Diluted

Basic income (loss) per common share is calculated by dividing income (loss) by the weighted average number of common shares outstanding. The calculation of diluted income (loss) per share is consistent with that of basic income (loss) per share, but gives effect to all potential common shares (that is, securities such as stock options, RSUs or PUs) that were outstanding during the period, unless the effect is antidilutive.

The calculation of basic and diluted income (loss) per share for the three and six months ended June 30, 2019 and 2018 are as follows:



	Three Months Ended June 30,					Six Months Ended June 30,
	2019		2018			2019		2018
Income (loss) from continuing operations	$	92,347	$	92,263		$	122,823	$	131,652
Less: Net income (loss) attributable to noncontrolling interests	34		142			925		610
Income (loss) from continuing operations (utilized in numerator of Earnings Per Share calculation)	$	92,313	$	92,121		$	121,898	$	131,042
Income (loss) from discontinued operations, net of tax	$	128	$	(360	)	$	104	$	(822	)
Net income (loss) attributable to Iron Mountain Incorporated	$	92,441	$	91,761		$	122,002	$	130,220

Weighted-average shares—basic	286,925,000		285,984,000			286,727,000		285,622,000
Effect of dilutive potential stock options	148,629		237,708			190,016		243,636
Effect of dilutive potential RSUs and PUs	407,659		347,543			570,040		415,929
Weighted-average shares—diluted	287,481,288		286,569,251			287,487,056		286,281,565

Earnings (losses) per share—basic:
Income (loss) from continuing operations	$	0.32	$	0.32		$	0.43	$	0.46
Income (loss) from discontinued operations, net of tax	—		—			—		—
Net income (loss) attributable to Iron Mountain Incorporated(1)	$	0.32	$	0.32		$	0.43	$	0.46

Earnings (losses) per share—diluted:
Income (loss) from continuing operations	$	0.32	$	0.32		$	0.42	$	0.46
Income (loss) from discontinued operations, net of tax	—		—			—		—
Net income (loss) attributable to Iron Mountain Incorporated(1)	$	0.32	$	0.32		$	0.42	$	0.45

Antidilutive stock options, RSUs and PUs, excluded from the calculation	5,004,112		3,272,502			4,494,637		3,257,322

_______________________________________________________________________________

(1) Columns may not foot due to rounding.

g. Income Taxes

We provide for income taxes during interim periods based on our estimate of the effective tax rate for the year. Our estimate of the effective tax rates for the years ending December 31, 2019 and 2018 reflect the impact of the U.S. tax reform legislation, commonly referred to as the Tax Cuts and Jobs Act (the “Tax Reform Legislation”). See Note 7 to Notes to Consolidated Financial Statements included in our Annual Report for additional information regarding the impact the Tax Reform Legislation had on us. Discrete items and changes in our estimate of the annual effective tax rate are recorded in the period they occur. Our effective tax rate is subject to variability in the future due to, among other items: (1) changes in the mix of income between our qualified REIT subsidiaries ("QRSs") and our domestic taxable REIT subsidiaries ("TRSs"), as well as among the jurisdictions in which we operate; (2) tax law changes; (3) volatility in foreign exchange gains and losses; (4) the timing of the establishment and reversal of tax reserves; and (5) our ability to utilize net operating losses that we generate.

Our effective tax rates for the three and six months ended June 30, 2019 and 2018 are as follows:



	Three Months Ended June 30,				Six Months Ended June 30,
	2019(1)		2018(1)		2019(1)		2018(2)
Effective Tax Rate	10.3	%	22.0	%	14.7	%	16.5	%

_______________________________________________________________________________

(1)

The primary reconciling items between the federal statutory tax rate of 21.0% and our overall effective tax rate for the three and six months ended June 30, 2019 and for the three months ended June 30, 2018 were the benefit derived from the dividends paid deduction and the impact of differences in the tax rates at which our foreign earnings are subject, including foreign exchange gains and losses in different jurisdictions with different tax rates.

(2)

The primary reconciling items between the federal statutory tax rate of 21.0% and our overall effective tax rate for the six months ended June 30, 2018 were the benefit derived from the dividends paid deduction, a discrete tax benefit of approximately $14,000 associated with the resolution of a tax matter and the impact of differences in the tax rates at which our foreign earnings are subject, including foreign exchange gains and losses in different jurisdictions with different tax rates.

h. Fair Value Measurements

Our financial assets or liabilities that are carried at fair value are required to be measured using inputs from the three levels of the fair value hierarchy. A financial asset or liability's classification within the hierarchy is determined based on the lowest level input that is significant to the fair value measurement.

The three levels of the fair value hierarchy are as follows:

Level 1—Inputs are unadjusted quoted prices in active markets for identical assets or liabilities that we have the ability to access at the measurement date.

Level 2—Inputs include quoted prices for similar assets and liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability (i.e., interest rates, yield curves, etc.), and inputs that are derived principally from or corroborated by observable market data by correlation or other means (market corroborated inputs).

Level 3—Unobservable inputs that reflect our assumptions about the assumptions that market participants would use in pricing the asset or liability.

The assets and liabilities carried at fair value measured on a recurring basis as of June 30, 2019 and December 31, 2018, respectively, are as follows:



			Fair Value Measurements at June 30, 2019 Using
Description	Total Carrying Value at June 30, 2019		Quoted prices in active markets (Level 1)			Significant other observable inputs (Level 2)			Significant unobservable inputs (Level 3)
Money Market Funds(1)	$	4,418	$	—		$	4,418		$	—
Trading Securities	10,366		9,744		(2)	622		(3)	—
Interest Rate Swap Agreements Liabilities(5)	8,578		—			8,578			—



			Fair Value Measurements at December 31, 2018 Using
Description	Total Carrying Value at December 31, 2018		Quoted prices in active markets (Level 1)			Significant other observable inputs (Level 2)			Significant unobservable inputs (Level 3)
Time Deposits(1)	$	956	$	—		$	956		$	—
Trading Securities	10,753		10,248		(2)	505		(3)	—
Derivative Assets(4)	93		—			93			—
Interest Rate Swap Agreements Liabilities(5)	973		—			973			—

_______________________________________________________________________________


(1)	Money market funds and time deposits are measured based on quoted prices for similar assets and/or subsequent transactions.


(2)	Certain trading securities are measured at fair value using quoted market prices.


(3)	Certain trading securities are measured based on inputs that are observable other than quoted market prices.

(4)

Derivative assets and liabilities relate to short-term (six months or less) foreign currency contracts that we have entered into to hedge certain of our foreign exchange intercompany exposures. We calculate the value of such forward contracts by adjusting the spot rate utilized at the balance sheet date for translation purposes by an estimate of the forward points observed in active markets. As of June 30, 2019, we had no outstanding forward contracts. As of December 31, 2018, we had outstanding forward contracts to purchase 29,000 Euros and sell $33,374 United States dollars. We have not designated any of the forward contracts we have entered into as hedges.

(5)

We have 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 June 30, 2019 and December 31, 2018, 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 rate payments (at the fixed rate interest specified in the interest rate swap agreements). We have designated these interest rate swaps as cash flow hedges. Unrealized gains are recognized as assets while unrealized losses are recognized as liabilities. The fair value of the interest rate swaps are estimated using industry standard valuation models using market-based observable inputs, including interest rate curves.

Disclosures are required in the financial statements for items measured at fair value on a non-recurring basis. There were no material items that are measured at fair value on a non-recurring basis at June 30, 2019 and December 31, 2018, other than those disclosed in Note 2.s. to Notes to Consolidated Financial Statements included in our Annual Report, those acquired in acquisitions that occurred during the six months ended June 30, 2019 and our investment in Makespace LLC (as disclosed in Note 9), all of which are based on Level 3 inputs.

The fair value of our long-term debt, which was determined based on either Level 1 inputs or Level 3 inputs, is disclosed in Note 4. Long-term debt is measured at cost in our Condensed Consolidated Balance Sheets as of June 30, 2019 and December 31, 2018.

i. Accumulated Other Comprehensive Items, Net

The changes in accumulated other comprehensive items, net for the three and six months ended June 30, 2019, respectively, are as follows:



	Three Months Ended June 30, 2019									Six Months Ended June 30, 2019
	Foreign Currency Translation Adjustments			Fair Value Adjustments for Interest Rate Swap Agreements			Total			Foreign Currency Translation Adjustments			Fair Value Adjustments for Interest Rate Swap Agreements			Total
Beginning of Period	$	(247,313	)	$	(3,647	)	$	(250,960	)	$	(264,691	)	$	(973	)	$	(265,664	)
Other comprehensive (loss) income:
Foreign currency translation adjustment(1)	(5,930		)	—			(5,930		)	11,448			—			11,448
Fair value adjustments for interest rate swap agreements	—			(4,931		)	(4,931		)	—			(7,605		)	(7,605		)
Total other comprehensive (loss) income	(5,930		)	(4,931		)	(10,861		)	11,448			(7,605		)	3,843
End of Period	$	(253,243	)	$	(8,578	)	$	(261,821	)	$	(253,243	)	$	(8,578	)	$	(261,821	)

_____________________________________________________________

(1) This amount includes foreign exchange losses (gains) of $4,280 and $(1,861) for the three and six months ended June 30, 2019, respectively, related to the change in fair value of the portion of our Euro Notes (as defined and discussed more fully in Note 4) designated as a hedge of net investment of certain of our Euro denominated subsidiaries. For the six months ended June 30, 2019, we designated, on average, 274,161 Euros of our Euro Notes as a hedge of net investment of certain of our Euro denominated subsidiaries. As of June 30, 2019, cumulative net gains of $16,119 net of tax, are recorded in accumulated other comprehensive items, net associated with this net investment hedge.

The changes in accumulated other comprehensive items, net for the three and six months ended June 30, 2018, respectively, are as follows:



	Three Months Ended June 30, 2018									Six Months Ended June 30, 2018
	Foreign Currency Translation Adjustments			Fair Value Adjustments for Interest Rate Swap Agreements			Total			Foreign Currency Translation Adjustments			Fair Value Adjustments for Interest Rate Swap Agreements		Total
Beginning of Period	$	(73,897	)	$	(185	)	$	(74,082	)	$	(103,989	)	$	—	$	(103,989	)
Other comprehensive (loss) income:
Foreign currency translation adjustment(1)	(135,756		)	—			(135,756		)	(105,664		)	—		(105,664		)
Fair value adjustments for interest rate swap agreements	—			2,388			2,388			—			2,203		2,203
Total other comprehensive (loss) income	(135,756		)	2,388			(133,368		)	(105,664		)	2,203		(103,461		)
End of Period	$	(209,653	)	$	2,203		$	(207,450	)	$	(209,653	)	$	2,203	$	(207,450	)

______________________________________________________________

(1) This amount includes foreign exchange gains of $10,257 and $4,622 for the three and six months ended June 30, 2018, respectively, related to the change in fair value of the portion of our Euro Notes designated as a hedge of net investment of certain of our Euro denominated subsidiaries. For the six months ended June 30, 2018, we designated, on average, 179,881 Euros of our Euro Notes as a hedge of net investment of certain of our Euro denominated subsidiaries.

j. Gain on Disposal/Write-Down of Property, Plant and Equipment, Net

We are currently exploring strategic options regarding how to maintain and support the infrastructure of select offerings within our Iron Mountain Iron Cloud (“Iron Cloud”) portfolio of products and services. During the second quarter of 2019, we performed a long-lived asset impairment analysis on the assets associated with these select offerings and concluded that the associated carrying value of the long-lived assets (which consisted entirely of property, plant and equipment) was not recoverable based upon the underlying cash flows associated with these select offerings. Therefore, we recorded an impairment charge of approximately $24,000 during the second quarter of 2019, representing the net carrying value of the long-lived assets associated with these select offerings.

Consolidated gain on disposal/write-down of property, plant and equipment, net, for the three and six months ended June 30, 2019 was approximately $8,400 and $7,800, respectively. The gain for the six months ended June 30, 2019 consisted primarily of gains associated with the sale of certain land and buildings in the United Kingdom of approximately $36,000. These gains were partially offset by losses primarily associated with (i) the impairment charge on the assets associated with the select offerings within our Iron Cloud portfolio, as described above, and (ii) the write-down of certain property, plant and equipment in our North American Records and Information Management Business of approximately $3,100.

k. Other (Income) Expense, Net

Other (income) expense, net for the three and six months ended June 30, 2019 and 2018 consists of the following:



	Three Months Ended June 30,						Six Months Ended June 30,
	2019			2018			2019			2018
Foreign currency transaction (gains) losses, net	$	(19,331	)	$	(18,624	)	$	(1,634	)	$	3,161
Other, net	4,139			(432		)	1,652			(2,066		)
	$	(15,192	)	$	(19,056	)	$	18		$	1,095

The gain or loss on foreign currency transactions, calculated as the difference between the historical exchange rate and the exchange rate at the applicable measurement date, include gains or losses related to (i) borrowings in certain foreign currencies under our Revolving Credit Facility (as defined and discussed more fully in Note 4), (ii) our Euro Notes, (iii) certain foreign currency denominated intercompany obligations of our foreign subsidiaries to us and between our foreign subsidiaries, which are not considered permanently invested, and (iv) amounts that are paid or received on the net settlement amount from forward contracts (as more fully discussed in Note 2.h.).

Other, net for the six months ended June 30, 2019 includes the gain on sale from the Consumer Storage Transaction (as defined and discussed more fully in Note 9) of approximately $4,200 recorded during the first quarter of 2019. In addition, Other, net for the three and six months ended June 30, 2019 includes the change in estimated fair value of the noncontrolling interests associated with our business in India, which are accounted for as mandatorily redeemable noncontrolling interests.

l. New Accounting Pronouncements

In August 2018, the FASB issued ASU No. 2018-15, Intangibles-Goodwill and Other-Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract (a consensus of the FASB Emerging Issues Task Force) ("ASU 2018-15"). ASU 2018-15 aligns the accounting for costs incurred to implement a cloud computing arrangement that is a service arrangement with the guidance on capitalizing costs associated with developing or obtaining internal-use software. We adopted ASU 2018-15 on January 1, 2019. ASU 2018-15 did not have a material impact on our consolidated financial statements.

In February 2016, the FASB issued ASU 2016-02. We adopted ASU 2016-02 on January 1, 2019 on a modified retrospective basis. See Note 2.d. for information regarding the impact of the adoption of ASU 2016-02 on our consolidated financial statements.

m. Correction in Presentation

Subsequent to our conversion to a REIT, we have historically classified gains on sale of real estate, net of tax, as a separate line on our consolidated statements of operations and excluded such amounts from our reported operating income. We presented such amounts net of tax as these gains were presented below the provision (benefit) for income taxes on our consolidated statements of operations. Commencing with the first quarter of 2019, we now present gains on sale of real estate as a component of operating income in the line item (gain) loss on disposal/write-down of property, plant and equipment, net. See Note 2.j. for details of the (gain) loss on disposal/write-down of property, plant and equipment, net recognized during the three and six months ended June 30, 2019. Such amounts are presented gross of tax with any tax impact presented within provision (benefit) for income taxes. All prior periods will be conformed to this presentation. We did not recognize any gains on sale of real estate during the three and six months ended June 30, 2018. During the third and fourth quarter of 2018, we recognized a total of approximately $55,000 of gains on sale of real estate, net of tax.

n. Immaterial Restatement

In June 2019, we received a notification of assessment from tax and customs authorities in the Netherlands related to a value-added tax (“VAT”) liability of approximately 16,800 Euros primarily related to the years ending December 31, 2018 and 2017. We have established a reserve for this matter based upon our estimate of the amount of loss that is both probable and estimable, inclusive of interest and penalties. See Note 7 for additional information on this matter.

This matter relates to periods prior to January 1, 2019, resulting in (i) an understatement of our prior years' reported selling, general and administrative expense and interest expense and (ii) an overstatement of our prior years’ reported provision for income taxes for the related tax impact. Based on our estimate of the amount of loss related to this matter that is both probable and estimable, we believe selling, general and administrative expenses and interest expense were understated by approximately $11,000 and $400, respectively, and the provision for income taxes was overstated by approximately $2,000 for the year ended December 31, 2018, which, in the aggregate, would reduce net income from continuing operations by approximately $9,400 for the year ended December 31, 2018. Based on our estimate of the amount of loss related to this matter that is both probable and estimable, we believe the selling, general and administrative expenses and interest expense were understated by approximately $16,600 and $100, respectively, and the provision for income taxes was overstated by approximately $3,000 for the year ended December 31, 2017, which, in the aggregate, would reduce net income from continuing operations by approximately $13,700 for the year ended December 31, 2017. We have determined that no prior period financial statement was materially misstated as a result of the previously unrecorded reserves related to this matter. As a result, we have restated ending (Distributions in excess of earnings) Earnings in excess of distributions as of December 31, 2018 in the amount of approximately $23,100 for the cumulative impact of the aforementioned items. There was no impact to the Condensed Consolidated Statement of Operations for the three and six months ended June 30, 2019, as a result of this matter.

Additionally, we have restated our 2018 Condensed Consolidated Balance Sheet, and each of our Condensed Consolidated Statements of Operations, our Condensed Consolidated Statements of Comprehensive Income (Loss), our Condensed Consolidated Statements of Equity and the related notes for the three and six months ended June 30, 2018 to reflect the impact of the reserve we have established for this matter in those periods. There was no change to the following lines of the Condensed Consolidated Statement of Cash Flows for the six months ended June 30, 2018: (1) cash flows from operating activities, (2) cash flows from investing activities and (3) cash flows from financing activities.

The following table sets forth the effect of the immaterial restatement to certain line items of our Condensed Consolidated Statements of Operations for the three and six months ended June 30, 2018:



	Three Months Ended June 30, 2018			Six Months Ended June 30, 2018
Selling, general and administrative	$	1,899		$	9,339
Total Operating Expenses	$	1,899		$	9,339
Operating Income (Loss)	$	(1,899	)	$	(9,339	)
Interest Expense, Net	$	89		$	165
Income (Loss) from Continuing Operations Before Provision (Benefit) for Income Taxes	$	(1,988	)	$	(9,504	)
Provision (Benefit) for Income Taxes	$	(348	)	$	(1,639	)
Income (Loss) from Continuing Operations	$	(1,640	)	$	(7,865	)
Net Income (Loss)	$	(1,640	)	$	(7,865	)
Net Income (Loss) Attributable to Iron Mountain Incorporated	$	(1,640	)	$	(7,865	)
Earnings (Losses) per Share - Basic:
Income (Loss) from Continuing Operations	$	(0.01	)	$	(0.03	)
Net Income (Loss) from Continuing Operations Attributable to Iron Mountain	$	(0.01	)	$	(0.03	)
Earnings (Losses) per Share - Diluted:
Income (Loss) from Continuing Operations	$	(0.01	)	$	(0.03	)
Net Income (Loss) from Continuing Operations Attributable to Iron Mountain	$	(0.01	)	$	(0.03	)

The following table sets forth the effect of the immaterial restatement to certain line items of our Condensed Consolidated Balance Sheet as of December 31, 2018:



	December 31, 2018
Total Other Assets, Net	$	4,971
Total Assets	$	4,971
Accrued expenses and other current liabilities	$	28,097
Total Current Liabilities	$	28,097
(Distribution in excess of earnings) Earnings in excess of distributions	$	(23,126	)
Total Iron Mountain Incorporated Stockholders' Equity	$	(23,126	)

The immaterial restatement changed (Distribution in excess of earnings) Earnings in excess of distributions disclosed in our Condensed Consolidated Statements of Equity for the periods ended March 31, 2019, June 30, 2018, March 31, 2018 and December 31, 2017 by $(23,126), $(21,573), $(19,933) and $(13,708), respectively.

Prospectively, we will process an immaterial restatement of our consolidated financial statements for the quarter periods ended September 30, 2018 and December 31, 2018, as well as for the annual periods ended December 31, 2018 and 2017, when those statements are reproduced on a comparative basis in our Form 10-Q for the quarterly period ending September 30, 2019 and our Annual Report on Form 10-K for the year ending December 31, 2019.