10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

☒	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the quarterly period ended March 31, 2023
OR
☐	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from ________ to ________

Commission File Number: 001-37552

WILLSCOT MOBILE MINI HOLDINGS CORP.

(Exact name of registrant as specified in its charter)

Delaware	82-3430194
(State or other jurisdiction of incorporation)	(I.R.S. Employer Identification No.)

4646 E Van Buren St., Suite 400

Phoenix, Arizona 85008

(Address, including zip code, of principal executive offices)

(480) 894-6311

(Registrant’s telephone number, including area code)

(Former Name or Former Address, if Changed Since Last Report)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, par value $0.0001 per share	WSC	The Nasdaq Capital Market

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulations S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer ☒	Accelerated filer ☐
Non-accelerated filer ☐	Smaller reporting company ☐
	Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes ☐ No ☒

Shares of Common Stock, par value $0.0001 per share, outstanding: 202,317,982 shares at April 24, 2023.

WILLSCOT MOBILE MINI HOLDINGS CORP.

Quarterly Report on Form 10-Q

Table of Contents

PART I Financial Information
	Item 1	Financial Statements (unaudited, except as noted below)
			Condensed Consolidated Balance Sheets as of March 31, 2023 and December 31, 2022 (audited)
			Condensed Consolidated Statements of Operations for the Three Months Ended March 31, 2023 and 2022
			Condensed Consolidated Statements of Comprehensive Income for the Three Months Ended March 31, 2023 and 2022
			Condensed Consolidated Statements of Changes in Equity for the Three Months Ended March 31, 2023 and 2022
			Condensed Consolidated Statements of Cash Flows for the Three Months Ended March 31, 2023 and 2022
			Notes to the Condensed Consolidated Financial Statements
	Item 2	Management’s Discussion and Analysis of Financial Condition and Results of Operations
	Item 3	Quantitative and Qualitative Disclosures About Market Risk
	Item 4	Controls and Procedures
PART II Other Information
	Item 1	Legal Proceedings
	Item 1A	Risk Factors
	Item 2	Unregistered Sales of Equity Securities and Use of Proceeds
	Item 3	Defaults Upon Senior Securities
	Item 4	Mine Safety Disclosures
	Item 5	Other Information
	Item 6	Exhibits
SIGNATURE

2

ITEM 1.    Financial Statements

WillScot Mobile Mini Holdings Corp.

Condensed Consolidated Balance Sheets

(in thousands, except share data)	March 31, 2023 (unaudited)		December 31, 2022
Assets
Cash and cash equivalents	$	15,918	$	7,390
Trade receivables, net of allowances for credit losses at March 31, 2023 and December 31, 2022 of $61,402 and $57,048, respectively	415,344		409,766
Inventories	42,007		41,030
Prepaid expenses and other current assets	42,684		31,635
Assets held for sale - current	8,924		31,220
Total current assets	524,877		521,041
Rental equipment, net	3,128,061		3,077,287
Property, plant and equipment, net	305,608		304,659
Operating lease assets	219,926		219,405
Goodwill	1,011,513		1,011,429
Intangible assets, net	413,188		419,125
Other non-current assets	6,578		6,683
Assets held for sale - non-current	—		268,022
Total long-term assets	5,084,874		5,306,610
Total assets	$	5,609,751	$	5,827,651
Liabilities and equity
Accounts payable	$	92,057	$	108,071
Accrued expenses	120,838		110,820
Accrued employee benefits	28,803		56,340
Deferred revenue and customer deposits	199,274		203,793
Operating lease liabilities - current	51,076		50,499
Current portion of long-term debt	13,514		13,324
Liabilities held for sale - current	—		19,095
Total current liabilities	505,562		561,942
Long-term debt	2,876,453		3,063,042
Deferred tax liabilities	464,798		401,453
Operating lease liabilities - non-current	169,914		169,618
Other non-current liabilities	29,100		18,537
Liabilities held for sale - non-current	—		47,759
Long-term liabilities	3,540,265		3,700,409
Total liabilities	4,045,827		4,262,351
Preferred Stock: $0.0001 par, 1,000,000 shares authorized and zero shares issued and outstanding at March 31, 2023 and December 31, 2022	—		—
Common Stock: $0.0001 par, 500,000,000 shares authorized and 203,723,099 and 207,951,682 shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively	21		21
Additional paid-in-capital	2,667,424		2,886,951
Accumulated other comprehensive loss	(62,855)		(70,122)
Accumulated deficit	(1,040,666)		(1,251,550)
Total shareholders' equity	1,563,924		1,565,300
Total liabilities and shareholders' equity	$	5,609,751	$	5,827,651

See the accompanying notes which are an integral part of these condensed consolidated financial statements.

3

WillScot Mobile Mini Holdings Corp.

Condensed Consolidated Statements of Operations

(Unaudited)

	Three Months Ended March 31,
(in thousands, except share and per share data)	2023		2022
Revenues:
Leasing and services revenue:
Leasing	$	439,951	$	351,559
Delivery and installation	106,630		85,539
Sales revenue:
New units	10,657		5,787
Rental units	8,230		8,286
Total revenues	565,468		451,171
Costs:
Costs of leasing and services:
Leasing	97,515		80,334
Delivery and installation	75,007		70,580
Costs of sales:
New units	6,208		3,756
Rental units	4,454		4,892
Depreciation of rental equipment	59,156		57,548
Gross profit	323,128		234,061
Expenses:
Selling, general and administrative	150,892		138,144
Other depreciation and amortization	17,173		15,362
Currency losses, net	6,775		137
Other income, net	(3,359)		(1,283)
Operating income	151,647		81,701
Interest expense	44,866		30,570
Income from continuing operations before income tax	106,781		51,131
Income tax expense from continuing operations	30,510		12,083
Income from continuing operations	76,271		39,048
Discontinued operations:
Income from discontinued operations before income tax	4,003		15,787
Gain on sale of discontinued operations	176,078		—
Income tax expense from discontinued operations	45,468		3,664
Income from discontinued operations	134,613		12,123
Net income	$	210,884	$	51,171
Earnings per share from continuing operations attributable to WillScot Mobile Mini common shareholders:
Basic	$	0.37	$	0.17
Diluted	$	0.36	$	0.17
Earnings per share from discontinued operations attributable to WillScot Mobile Mini common shareholders:
Basic	$	0.65	$	0.06
Diluted	$	0.64	$	0.05
Earnings per share attributable to WillScot Mobile Mini common shareholders:
Basic	$	1.02	$	0.23
Diluted	$	1.00	$	0.22
Weighted average shares:
Basic	206,092,169		223,490,912
Diluted	209,663,985		228,955,504

See the accompanying notes which are an integral part of these condensed consolidated financial statements.

4

WillScot Mobile Mini Holdings Corp.

Condensed Consolidated Statements of Comprehensive Income

(Unaudited)

	Three Months Ended March 31,
(in thousands)	2023		2022
Net income	$	210,884	$	51,171
Other comprehensive income (loss):
Foreign currency translation adjustment, net of income tax expense of $0 for each of the three months ended March 31, 2023 and 2022	7,934		(4,074)
Net (loss) gain on derivatives, net of income tax (benefit) expense of $(222) and $777 for the three months ended March 31, 2023 and 2022, respectively	(667)		2,321
Total other comprehensive income (loss)	7,267		(1,753)
Total comprehensive income	$	218,151	$	49,418

See the accompanying notes which are an integral part of these condensed consolidated financial statements.

5

WillScot Mobile Mini Holdings Corp.

Condensed Consolidated Statements of Changes in Equity

(Unaudited)

Three Months Ended March 31, 2023
	Common Stock			Additional Paid-in-Capital		Accumulated Other Comprehensive Income (Loss)		Accumulated Deficit		Total Shareholders' Equity
(in thousands)	Shares	Amount
Balance at December 31, 2022	207,952	$	21	$	2,886,951	$	(70,122)	$	(1,251,550)	$	1,565,300
Net income	—	—		—		—		210,884		210,884
Other comprehensive income	—	—		—		7,267		—		7,267
Withholding taxes on net share settlement of stock-based compensation	—	—		(10,058)		—		—		(10,058)
Stock-based compensation and issuance of Common Stock from vesting	355	—		8,150		—		—		8,150
Repurchase and cancellation of Common Stock	(4,589)	—		(217,687)		—		—		(217,687)
Issuance of Common Stock from the exercise of options	6	—		68		—		—		68
Balance at March 31, 2023	203,723	$	21	$	2,667,424	$	(62,855)	$	(1,040,666)	$	1,563,924

Three Months Ended March 31, 2022
	Common Stock			Additional Paid-in-Capital		Accumulated Other Comprehensive Income (Loss)		Accumulated Deficit		Total Shareholders' Equity
(in thousands)	Shares	Amount
Balance at December 31, 2021	223,940	$	22	$	3,616,902	$	(29,071)	$	(1,591,090)	$	1,996,763
Net income	—	—		—		—		51,171		51,171
Other comprehensive loss	—	—		—		(1,753)		—		(1,753)
Withholding taxes on net share settlement of stock-based compensation	—	—		(12,295)		—		—		(12,295)
Stock-based compensation and issuance of Common Stock from vesting	498	—		6,395		—		—		6,395
Repurchase and cancellation of Common Stock and warrants	(2,064)	—		(77,409)		—		—		(77,409)
Issuance of Common Stock from the exercise of options and warrants	800	—		3,313		—		—		3,313
Balance at March 31, 2022	223,174	$	22	$	3,536,906	$	(30,824)	$	(1,539,919)	$	1,966,185

See the accompanying notes which are an integral part of these condensed consolidated financial statements.

6

WillScot Mobile Mini Holdings Corp.

Condensed Consolidated Statements of Cash Flows

(Unaudited)

	Three Months Ended March 31,
(in thousands)	2023		2022
Operating activities:
Net income	$	210,884	$	51,171
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	76,329		81,820
Provision for credit losses	8,803		8,601
Gain on sale of discontinued operations	(176,078)		—
Gain on sale of rental equipment and other property, plant and equipment	(3,396)		(3,232)
Amortization of debt discounts and debt issuance costs	2,743		3,489
Stock-based compensation expense	8,150		6,395
Deferred income tax expense	63,699		12,362
Loss on foreign currency forward contract	7,715		—
Unrealized currency losses, net	(1,042)		86
Other	1,087		914
Changes in operating assets and liabilities:
Trade receivables	(10,954)		(12,064)
Inventories	(350)		(7,122)
Prepaid expenses and other assets	(3,049)		(9,042)
Operating lease assets and liabilities	345		268
Accounts payable and other accrued expenses	(32,694)		(1,239)
Deferred revenue and customer deposits	(3,427)		13,120
Net cash provided by operating activities	148,765		145,527
Investing activities:
Proceeds from sale of discontinued operations	403,992		—
Acquisitions, net of cash acquired	(78,503)		(57,457)
Proceeds from sale of rental equipment	7,781		14,554
Purchase of rental equipment and refurbishments	(47,128)		(95,236)
Payment for settlement of foreign currency forward contract	(7,715)		—
Proceeds from the sale of property, plant and equipment	258		260
Purchase of property, plant and equipment	(6,736)		(10,481)
Net cash provided by (used in) investing activities	271,949		(148,360)
Financing activities:
Receipts from issuance of Common Stock from the exercise of options	68		3,313
Repurchase and cancellation of Common Stock and warrants	(215,098)		(77,708)
Receipts from borrowings	363,800		152,500
Repayment of borrowings	(558,300)		(59,000)
Principal payments on finance lease obligations	(3,499)		(5,224)
Taxes paid on employee stock awards	(10,058)		(12,295)
Net cash (used in) provided by financing activities	(423,087)		1,586
Effect of exchange rate changes on cash and cash equivalents	517		(131)
Net change in cash and cash equivalents	(1,856)		(1,378)
Cash and cash equivalents at the beginning of the period	17,774		12,699
Cash and cash equivalents at the end of the period	$	15,918	$	11,321
Supplemental cash flow information:
Interest paid, net	$	39,570	$	22,197
Income taxes paid, net	$	5,653	$	2,606
Assets acquired under capital leases	$	8,907	$	7,011
Capital expenditures accrued or payable	$	17,786	$	28,433

See the accompanying notes which are an integral part of these condensed consolidated financial statements.

7

WillScot Mobile Mini Holdings Corp.

Notes to the Condensed Consolidated Financial Statements (Unaudited)

NOTE 1 - Summary of Significant Accounting Policies

Organization and Nature of Operations

WillScot Mobile Mini Holdings Corp. (“WillScot Mobile Mini” and, together with its subsidiaries, the “Company”) is a leading business services provider specializing in innovative flexible work space and portable storage solutions in the United States (“US”), Canada, and Mexico. The Company leases, sells, delivers and installs modular space solutions and portable storage products through an integrated network of branch locations that spans North America.

Basis of Presentation and Principles of Consolidation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and do not include all the information and notes required by US Generally Accepted Accounting Principles ("GAAP") for complete financial statements. The accompanying unaudited condensed consolidated financial statements comprise the financial statements of WillScot Mobile Mini and its subsidiaries that it controls due to ownership of a majority voting interest and contain all adjustments, which are of a normal and recurring nature, considered necessary by management to present fairly the financial position, results of operations and cash flows for the interim periods presented.

Subsidiaries are fully consolidated from the date of acquisition, being the date on which the Company obtains control, and continue to be consolidated until the date when such control ceases. The financial statements of the subsidiaries are prepared for the same reporting period as the Company. All intercompany balances and transactions are eliminated.

The results of operations for the three months ended March 31, 2023 are not necessarily indicative of the results to be expected for the full year. For further information, refer to the consolidated financial statements and notes included in the Company's Annual Report on Form 10-K for the year ended December 31, 2022.

Reclassifications

Certain reclassifications have been made to prior year financial statements to conform to the current year presentation.

Recently Issued and Adopted Accounting Standards

In October 2021, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update No. 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers ("ASU 2021-08"). ASU 2021-08 requires that an acquirer recognize and measure contract assets and liabilities acquired in a business combination in accordance with FASB Accounting Standards Codification 606, Revenue from Contracts with Customers ("ASC 606"). The Company adopted ASU 2021-08 on January 1, 2023 on a prospective basis. The adoption of this ASU did not have a material impact on the Company's financial statements or related disclosures.

NOTE 2 - Acquisitions

WillScot Mobile Mini is the holding company for the Williams Scotsman and Mobile Mini family of companies, which resulted from the combination of WillScot Corporation (“WillScot”) and Mobile Mini, Inc. (“Mobile Mini”) through a merger that occurred on July 1, 2020 (the "Merger").

Asset Acquisitions

During the first quarter of 2023, the Company acquired certain assets and liabilities of two regional and local storage and modular companies, which consisted primarily of approximately 300 storage units and 500 modular units for $79.6 million in cash. The accompanying consolidated financial statements include $70.4 million of rental equipment and $4.5 million of land held for sale as of March 31, 2023 as a result of these acquisitions. A sale of the acquired land is expected to close before the end of the year.

Integration Costs

The Company recorded $3.9 million and $4.1 million in integration costs related to asset acquisitions and the Merger within selling, general and administrative ("SG&A") expense during the three months ended March 31, 2023 and 2022, respectively.

8

NOTE 3 - Discontinued Operations

Tank and Pump Divestiture

On September 30, 2022, the Company sold its former Tank and Pump segment for $321.9 million. Exiting the former Tank and Pump segment represented the Company’s strategic shift to concentrate its operations on its core modular and storage businesses. The criteria for discontinued operations presentation were met during the third quarter of 2022 and results for the former Tank and Pump segment are reported in income from discontinued operations within the consolidated statements of operations for periods presented prior to September 30, 2022.

UK Storage Solutions Divestiture

On December 12, 2022, the Company entered into a stock purchase agreement to sell its former UK Storage Solutions segment. The sale transaction was completed on January 31, 2023. Total cash consideration for the transaction was $418.1 million. Exiting the former UK Storage Solutions segment represented the Company’s strategic shift to concentrate its operations on its core modular and storage businesses in North America. The criteria for discontinued operations presentation were met during the fourth quarter of 2022 and results for the former UK Storage Solutions segment are reported in income from discontinued operations within the consolidated statements of operations for all periods presented. The carrying value of the former UK Storage Solutions segment's assets and liabilities are presented within assets and liabilities held for sale on the consolidated balance sheet as of December 31, 2022.

The following tables present the results of the former Tank and Pump segment and the former UK Storage Solutions segment as reported in income from discontinued operations within the consolidated statements of operations, and the carrying value of the former UK Storage Solutions segment's assets and liabilities as presented within assets and liabilities held for sale on the consolidated balance sheet.

	Three Months Ended March 31, 2023
(in thousands)	UK Storage Solutions
Revenues:
Leasing and services revenue:
Leasing	$	6,389
Delivery and installation	1,802
Sales revenue:
New units	54
Rental units	449
Total revenues	8,694
Costs:
Costs of leasing and services:
Leasing	1,407
Delivery and installation	1,213
Costs of sales:
New units	38
Rental units	492
Gross profit	5,544
Expenses:
Selling, general and administrative	1,486
Other income, net	(1)
Operating income	4,059
Interest expense	56
Income from discontinued operations before income tax	4,003
Gain on sale of discontinued operations	175,708
Income tax expense from discontinued operations	45,468
Income from discontinued operations	$	134,243
Other selected data:
Adjusted EBITDA from discontinued operations	$	4,124

In January 2023, a $0.4 million adjustment was made to the gain on sale of the former Tank and Pump segment due to the final contractual working capital adjustment. Including this adjustment, the total gain on sale of discontinued operations was $176.1 million for the three months ended March 31, 2023.

9

	Three Months Ended March 31, 2022
(in thousands)	Tank and Pump		UK Storage Solutions		Total
Revenues:
Leasing and services revenue:
Leasing	$	21,062	$	20,571	$	41,633
Delivery and installation	8,325		6,467		14,792
Sales revenue:
New units	682		128		810
Rental units	214		274		488
Total revenues	30,283		27,440		57,723
Costs:
Costs of leasing and services:
Leasing	4,307		4,237		8,544
Delivery and installation	7,011		3,924		10,935
Costs of sales:
New units	507		63		570
Rental units	95		157		252
Depreciation of rental equipment	3,530		1,138		4,668
Gross profit	14,833		17,921		32,754
Expenses:
Selling, general and administrative	6,212		6,117		12,329
Other depreciation and amortization	2,416		1,825		4,241
Currency losses, net	—		1		1
Other expense (income), net	19		(45)		(26)
Operating income	6,186		10,023		16,209
Interest expense	178		244		422
Income from discontinued operations before income tax	6,008		9,779		15,787
Income tax expense from discontinued operations	1,513		2,151		3,664
Income from discontinued operations	$	4,495	$	7,628	$	12,123
Other selected data:
Adjusted EBITDA from discontinued operations	$	11,506	$	12,544	$	24,050

10

	December 31, 2022
(in thousands)	UK Storage Solutions
Assets
Cash and cash equivalents	$	10,384
Trade receivables, net of allowances for doubtful accounts of $300	15,991
Inventories	3,058
Prepaid expenses and other current assets	1,787
Rental equipment, net	165,853
Property, plant and equipment, net	20,645
Operating lease assets	15,134
Goodwill	58,144
Intangible assets, net	6,414
Other non-current assets	1,832
Total assets held for sale	$	299,242
Liabilities
Accounts payable	$	4,515
Accrued expenses	3,273
Accrued employee benefits	1,009
Deferred revenue and customer deposits	6,850
Deferred tax liabilities	29,737
Operating lease liabilities	15,192
Other non-current liabilities	6,278
Total liabilities held for sale	$	66,854

For the three months ended March 31, 2022, significant operating and investing items related to the former Tank and Pump segment were as follows:

	Three Months Ended March 31,
(in thousands)	2022
Operating activities of discontinued operations:
Depreciation and amortization	$	5,946
Investing activities of discontinued operations:
Proceeds from sale of rental equipment	$	214
Purchases of rental equipment and refurbishments	$	(7,873)
Purchases of property, plant and equipment	$	(82)

11

The following table presents a reconciliation of Income from discontinued operations before income tax to Adjusted EBITDA from discontinued operations for the former Tank and Pump segment for the three months ended March 31, 2022. See Note 16 for further information regarding Adjusted EBITDA.

	Three Months Ended March 31,
(in thousands)	2022
Income from discontinued operations	$	4,495
Income tax expense from discontinued operations	1,513
Income from discontinued operations before income tax	6,008
Interest expense	178
Depreciation and amortization	5,946
Stock compensation expense	104
Other	(730)
Adjusted EBITDA from discontinued operations	$	11,506

For the three months ended March 31, 2023 and 2022, significant operating and investing items related to the former UK Storage Solutions segment were as follows:

	Three Months Ended March 31,
(in thousands)	2023		2022
Operating activities of discontinued operations:
Depreciation and amortization	$	—	$	2,963
Investing activities of discontinued operations:
Proceeds from sale of rental equipment	$	514	$	274
Purchases of rental equipment and refurbishments	$	(371)	$	(9,615)
Proceeds from sale of property, plant and equipment	$	8	$	255
Purchases of property, plant and equipment	$	(64)	$	(2,265)

The following table presents reconciliations of Income from discontinued operations before income tax to Adjusted EBITDA from discontinued operations for the former UK Storage Solutions segment for the three months ended March 31, 2023 and 2022, respectively. See Note 16 for further information regarding Adjusted EBITDA.

	Three Months Ended March 31,
(in thousands)	2023		2022
Income from discontinued operations	$	134,243	$	7,628
Gain on sale of discontinued operations	175,708		—
Income tax expense from discontinued operations	45,468		2,151
Income from discontinued operations before income tax and gain on sale	4,003		9,779
Interest expense	56		244
Depreciation and amortization	—		2,963
Currency losses, net	—		1
Stock compensation expense	(196)		18
Other	261		(461)
Adjusted EBITDA from discontinued operations	$	4,124	$	12,544

12

NOTE 4 - Revenue

Revenue Disaggregation

Geographic Areas

The Company had total revenue in the following geographic areas for the three months ended March 31, as follows:

	Three Months Ended March 31,
(in thousands)	2023		2022
US	$	533,174	$	421,684
Canada	26,941		25,273
Mexico	5,353		4,214
Total revenues	$	565,468	$	451,171

Major Product and Service Lines

Equipment leasing is the Company's core business and the primary driver of the Company's revenue and cash flows. This includes modular space and portable storage units along with value-added products and services ("VAPS"), which include furniture, steps, ramps, basic appliances, internet connectivity devices, integral tool racking, heavy duty capacity shelving, workstations, electrical and lighting products and other items used by customers in connection with the Company's products. The Company also offers its lease customers a damage waiver program that protects them in case the leased unit is damaged. Leasing is complemented by new unit sales and sales of rental units. In connection with its leasing and sales activities, the Company provides services including delivery and installation, maintenance and ad hoc services and removal services at the end of lease transactions.

The Company’s revenue by major product and service line for the three months ended March 31, was as follows:

	Three Months Ended March 31,
(in thousands)	2023		2022
Modular space leasing revenue	$	224,470	$	190,390
Portable storage leasing revenue	97,315		70,703
VAPS and third party leasing revenues(a)	94,126		75,305
Other leasing-related revenue(b)	24,040		15,161
Leasing revenue	439,951		351,559
Delivery and installation revenue	106,630		85,539
Total leasing and services revenue	546,581		437,098
New unit sales revenue	10,657		5,787
Rental unit sales revenue	8,230		8,286
Total revenues	$	565,468	$	451,171

(a)	Includes $5.6 million and $5.9 million of service revenue for the three months ended March 31, 2023 and 2022, respectively.
(b)	Includes primarily damage billings, delinquent payment charges, and other processing fees.

Leasing and Services Revenue

The majority of revenue (77% for the both the three months ended March 31, 2023 and March 31, 2022) was generated by rental income subject to the guidance of ASU 2018-11, Leases (Topic 842) ("ASC 842"). The remaining revenue was generated by performance obligations in contracts with customers for services or sale of units subject to the guidance in ASC 606.

Receivables and Credit Losses

The Company is exposed to credit losses from trade receivables and manages credit risk at the customer level. Because the same customers generate the revenues that are accounted for under both ASC 606 and ASC 842, the discussions below on credit risk and the Company's allowance for credit losses address the Company's total revenues. Concentration of credit risk with respect to the Company's receivables is limited because of a large number of geographically diverse customers who operate in a variety of end user markets.

The Company assesses each customer’s ability to pay for the products it leases or sells by conducting a credit review that considers expected billing exposure, timing for payment and the customer’s established credit rating. The Company performs its credit review of new customers at inception of the customer relationship and for existing customers when the

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customer transacts after a defined period of dormancy. The Company also considers contract terms and conditions, country risk and business strategy in the evaluation.

The Company monitors ongoing credit exposure through an active review of customer balances against contract terms and due dates and may employ collection agencies and legal counsel to pursue recovery of defaulted receivables. The allowance for credit losses reflects the estimate of the amount of receivables that the Company will be unable to collect based on historical collection experience and, as applicable, current conditions and reasonable and supportable forecasts that affect collectability. The Company's estimate reflects changing circumstances, including changes in the economy or in the particular circumstances of individual customers. Accordingly, the Company may be required to increase or decrease its allowance.

Activity in the allowance for credit losses was as follows:

	Three Months Ended March 31,
(in thousands)	2023		2022
Balance at beginning of period	$	57,048	$	45,773
Provision for credit losses, net of recoveries	8,803		8,311
Write-offs	(4,537)		(7,010)
Foreign currency translation and other	88		50
Balance at end of period	$	61,402	$	47,124

Contract Assets and Liabilities

When customers are billed in advance for services, the Company defers recognition of revenue until the related services are performed, which generally occurs at the end of the contract. The balance sheet classification of deferred revenue is determined based on the contractual lease term. For contracts that continue beyond their initial contractual lease term, revenue continues to be deferred until the services are performed. During the three months ended March 31, 2023, deferred revenue relating to services billed in advance of $27.7 million was recognized as revenue. As of March 31, 2023 and December 31, 2022, the Company had approximately $99.0 million and $102.2 million, respectively, of deferred revenue related to these services.

The Company does not have material contract assets, and the Company's uncompleted contracts with customers have unsatisfied (or partially satisfied) performance obligations. For the future services revenues that are expected to be recognized within twelve months, the Company has elected to utilize the optional disclosure exemption made available regarding transaction price allocated to unsatisfied (or partially unsatisfied) performance obligations. The transaction price for performance obligations that will be completed in greater than twelve months is variable based on the market rate in place at the time those services are provided, and therefore, the Company is applying the optional expedient to omit disclosure of such amounts.

The primary costs to obtain contracts for new and rental unit sales with the Company's customers are commissions. The Company pays its sales force commissions on the sale of new and rental units. For new and rental unit sales, the period benefited by each commission is less than one year; therefore, the commissions are expensed as incurred.

NOTE 5 - Leases

As of March 31, 2023, the undiscounted future lease payments for operating and finance lease liabilities were as follows:

(in thousands)	Operating		Finance
2023 (remaining)	$	46,323	$	12,694
2024	54,591		15,259
2025	45,588		14,932
2026	33,680		14,618
2027	22,750		11,372
Thereafter	57,028		20,080
Total lease payments	259,960		88,955
Less: interest	(38,970)		(9,090)
Present value of lease liabilities	$	220,990	$	79,865

Finance lease liabilities are included within long-term debt and current portion of long-term debt on the condensed consolidated balance sheets.

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The Company’s lease activity during the three months ended March 31, 2023 and 2022 was as follows:

(in thousands)	Three Months Ended March 31,
Financial Statement Line	2023		2022
Finance Lease Expense
Amortization of finance lease assets	$	3,761	$	3,333
Interest on obligations under finance leases	759		429
Total finance lease expense	$	4,520	$	3,762
Operating Lease Expense
Fixed lease expense
Cost of leasing and services	$	420	$	825
Selling, general and administrative	15,717		14,930
Short-term lease expense
Cost of leasing and services	6,654		8,862
Selling, general and administrative	462		668
Variable lease expense
Cost of leasing and services	1,026		1,287
Selling, general and administrative	2,474		1,767
Total operating lease expense	$	26,753	$	28,339

Supplemental cash flow information related to leases for the three months ended March 31, 2023 and 2022 was as follows:

(in thousands)	Three Months Ended March 31,
Supplemental Cash Flow Information	2023		2022
Cash paid for the amounts included in the measurement of lease liabilities:
Operating cash outflows from operating leases	$	16,693	$	15,753
Operating cash outflows from finance leases	$	728	$	412
Financing cash outflows from finance leases	$	3,446	$	3,848
Right of use assets obtained in exchange for lease obligations	$	8,741	$	8,794
Assets obtained in exchange for finance leases	$	8,913	$	5,411

Weighted average remaining operating lease terms and the weighted average discount rates as of March 31, 2023 and December 31, 2022 were as follows:

Lease Terms and Discount Rates	March 31, 2023		December 31, 2022
Weighted average remaining lease term - operating leases	5.7 years		5.8 years
Weighted average discount rate - operating leases	5.5	%	5.4	%
Weighted average remaining lease term - finance leases	5.0 years		5.1 years
Weighted average discount rate - finance leases	3.5	%	3.4	%

The Company presents information related to leasing revenues in Note 4.

NOTE 6 - Inventories

Inventories at the respective balance sheet dates consisted of the following:

(in thousands)	March 31, 2023		December 31, 2022
Raw materials	$	38,827	$	38,611
Finished units	3,180		2,419
Inventories	$	42,007	$	41,030

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NOTE 7 - Rental Equipment, net

Rental equipment, net at the respective balance sheet dates consisted of the following:

(in thousands)	March 31, 2023		December 31, 2022
Modular space units	$	3,292,264	$	3,197,779
Portable storage units	848,982		849,193
Value added products	202,358		203,444
Total rental equipment	4,343,604		4,250,416
Less: accumulated depreciation	(1,215,543)		(1,173,129)
Rental equipment, net	$	3,128,061	$	3,077,287

NOTE 8 - Goodwill and Intangibles

Goodwill

Changes in the carrying amount of goodwill were as follows:

(in thousands)	Modular		Storage		Total
Balance at December 31, 2021	$	521,049	$	492,552	$	1,013,601
Effects of movements in foreign exchange rates	(2,172)		—		(2,172)
Balance at December 31, 2022	518,877		492,552		1,011,429
Effects of movements in foreign exchange rates	84		—		84
Balance at March 31, 2023	$	518,961	$	492,552	$	1,011,513

The Company had no goodwill impairment during the three months ended March 31, 2023 or the year ended December 31, 2022.

Intangible Assets

Intangible assets other than goodwill at the respective balance sheet dates consisted of the following:

	March 31, 2023
(in thousands)	Weighted average remaining life (in years)	Gross carrying amount		Accumulated amortization		Net book value
Intangible assets subject to amortization:
Mobile Mini customer relationships	5.3	$	188,000	$	(64,625)	$	123,375
Technology	3.3	1,500		(687)		813
Indefinite-lived intangible assets:
Trade name - Mobile Mini		164,000		—		164,000
Trade name - WillScot		125,000		—		125,000
Total intangible assets other than goodwill		$	478,500	$	(65,312)	$	413,188

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	December 31, 2022
(in thousands)	Weighted average remaining life (in years)	Gross carrying amount		Accumulated amortization		Net book value
Intangible assets subject to amortization:
Mobile Mini customer relationships	5.5	$	188,000	$	(58,750)	$	129,250
Technology	3.5	1,500		(625)		875
Indefinite-lived intangible assets:
Trade name - Mobile Mini		164,000		—		164,000
Trade name - WillScot		125,000		—		125,000
Total intangible assets other than goodwill		$	478,500	$	(59,375)	$	419,125

Amortization expense related to intangible assets was $5.9 million for the each of the three months ended March 31, 2023 and 2022.

Based on the carrying value at March 31, 2023, future amortization of intangible assets is expected to be as follows for the years ended December 31:

(in thousands)
2023 (remaining)	$	17,813
2024	23,750
2025	23,750
2026	23,625
2027	23,500
Thereafter	11,750
Total	$	124,188

NOTE 9 - Debt

The carrying value of debt outstanding at the respective balance sheet dates consisted of the following:

(in thousands, except rates)	Interest rate	Year of maturity	March 31, 2023		December 31, 2022
2025 Secured Notes	6.125%	2025	$	520,931	$	520,350
ABL Facility(a)	Varies	2027	1,795,448		1,988,176
2028 Secured Notes	4.625%	2028	493,723		493,470
Finance Leases	Varies	Varies	79,865		74,370
Total debt			2,889,967		3,076,366
Less: current portion of long-term debt			13,514		13,324
Total long-term debt			$	2,876,453	$	3,063,042

(a) As of both March 31, 2023 and December 31, 2022, the Company had no outstanding principal borrowings on the Multicurrency Facility and $2.4 million and $2.5 million, respectively, of related debt issuance costs. No related debt issuance costs were recorded as a direct offset against the principal borrowings on the Multicurrency Facility, and the $2.4 million and $2.5 million in excess of principal was included in other non-current assets on the condensed consolidated balance sheets as of March 31, 2023 and December 31, 2022, respectively.

Asset Backed Lending Facility

On July 1, 2020, certain subsidiaries of the Company entered into an asset-based credit agreement (the "ABL Facility") that initially provided for revolving credit facilities in the aggregate principal amount of up to $2.4 billion, consisting of: (i) a senior secured asset-based US dollar revolving credit facility in the aggregate principal amount of $2.0 billion and (ii) a $400.0 million senior secured asset-based multicurrency revolving credit facility available to be drawn in US Dollars, Canadian Dollars, British Pounds Sterling or Euros. The ABL Facility was initially scheduled to mature on July 1, 2025.

On June 30, 2022, certain subsidiaries of the Company entered into an amendment to the ABL Facility to, among other things, extend the expiration date until June 30, 2027 and increase the aggregate principal amount of the revolving credit facilities to $3.7 billion, consisting of: (i) a senior secured asset-based US dollar revolving credit facility in the aggregate principal amount of $3.3 billion (the “US Facility”) and (ii) a $400.0 million senior secured asset-based multicurrency revolving credit facility (the "Multicurrency Facility"), available to be drawn in US Dollars, Canadian Dollars, British Pounds Sterling or

17

Euros. The amendment also converted the interest rate for borrowings denominated in US Dollars from a LIBOR-based rate to a Term-SOFR-based rate with an interest period of one month and adjusted the applicable margins. The applicable margin for Canadian BA rate, Term SOFR, British Pounds Sterling and Euros loans is 1.50%. The facility includes a credit spread adjustment of 0.10% in addition to the applicable margin. The applicable margin for base rate and Canadian Prime Rate loans is 0.50%. The applicable margins are subject to one step down of 0.25% based on excess availability or one step up of 0.25% based on the Company's leverage ratio. The ABL Facility requires the payment of a commitment fee on the unused available borrowings of 0.20% annually. The weighted average interest rate on the balance outstanding as of March 31, 2023, as adjusted for the effects of the interest rate swap agreements, was 6.52%. Refer to Note 12 for a more detailed discussion on interest rate management.

Borrowing availability under the US Facility and the Multicurrency Facility is equal to the lesser of (i) the aggregate Revolver Commitments and (ii) the Borrowing Base ("Line Cap"). At March 31, 2023, the Line Cap was $3.0 billion and the Borrowers had $1.1 billion of available borrowing capacity under the ABL Facility, including $972.5 million under the US Facility and $162.0 million under the Multicurrency Facility. Borrowing capacity under the ABL Facility is made available for up to $205.6 million of letters of credit and up to $200.5 million of swingline loans. At March 31, 2023, letters of credit and bank guarantees carried fees of 1.625%. The Company had issued $14.4 million of standby letters of credit under the ABL Facility at March 31, 2023.

The Company had approximately $1.8 billion outstanding principal under the ABL Facility at March 31, 2023. Debt issuance costs of $30.1 million were included in the carrying value of the ABL Facility at March 31, 2023.

Finance Leases

The Company maintains finance leases primarily related to transportation equipment. At March 31, 2023 and December 31, 2022, obligations under finance leases for certain real property and transportation related equipment were $79.9 million and $74.4 million, respectively. Refer to Note 5 for further information.

The Company was in compliance with all debt covenants and restrictions associated with its debt instruments as of March 31, 2023.

NOTE 10 – Equity

Common Stock

In connection with the stock compensation vesting events and stock option exercises described in Note 14, the Company issued 360,725 shares of Common Stock during the three months ended March 31, 2023.

Stock Repurchase Program

In July 2022, the Board of Directors approved an increase to the share repurchase program authorizing the Company to repurchase up to $1.0 billion of its outstanding shares of Common Stock and equivalents. The stock repurchase program does not obligate the Company to purchase any particular number of shares, and the timing and exact amount of any repurchases will depend on various factors, including market pricing, business, legal, accounting, and other considerations.

In August 2022, the Inflation Reduction Act of 2022 was enacted into law and imposed a nondeductible 1% excise tax on the net value of certain stock repurchases made after December 31, 2022. In the first quarter of 2023, the Company reflected the applicable excise tax in equity as part of the cost basis of the stock repurchased and recorded a corresponding liability for the excise taxes payable in accrued expenses on the consolidated balance sheet.

During the three months ended March 31, 2023, the Company repurchased 4,589,308 shares of Common Stock for $215.7 million, excluding excise tax. As of March 31, 2023, $415.1 million of the approved share repurchase pool remained available.

Accumulated Other Comprehensive Loss

The changes in accumulated other comprehensive income (loss) ("AOCI"), net of tax, for the three months ended March 31, 2023 and 2022 were as follows:

	Three Months Ended March 31, 2023
(in thousands)	Foreign currency translation		Unrealized losses on hedging activities		Total
Balance at December 31, 2022	$	(70,122)	$	—	$	(70,122)
Other comprehensive income (loss) before reclassifications	7,934		859		8,793
Reclassifications from AOCI to income	—		(1,526)		(1,526)
Balance at March 31, 2023	$	(62,188)	$	(667)	$	(62,855)

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	Three Months Ended March 31, 2022
(in thousands)	Foreign currency translation		Unrealized losses on hedging activities		Total
Balance at December 31, 2021	$	(25,574)	$	(3,497)	$	(29,071)
Other comprehensive loss before reclassifications	(4,074)		(569)		(4,643)
Reclassifications from AOCI to income	—		2,890		2,890
Balance at March 31, 2022	$	(29,648)	$	(1,176)	$	(30,824)

For the three months ended March 31, 2023 and 2022, a gain of $1.5 million and a loss of $2.9 million, respectively, were reclassified from AOCI into the condensed consolidated statements of operations within interest expense related to the interest rate swaps discussed in Note 12. The Company recorded tax benefit of $0.4 million and tax expense $0.7 million for the three months ended March 31, 2023 and 2022, respectively, associated with these reclassifications.

NOTE 11 – Income Taxes

The Company recorded $30.5 million and $12.1 million of income tax expense from continuing operations for the three months ended March 31, 2023 and 2022, respectively. The Company’s effective tax rate for the three months ended March 31, 2023 and 2022 was 28.6% and 23.7%, respectively.

The effective tax rate for the three months ended March 31, 2023 differs from the US federal statutory rate of 21% primarily due to state and provincial taxes and an add-back for non-deductible executive compensation. The effective tax rate for the three months ended March 31, 2022 differs from the US statutory rate of 21% primarily due to state and provincial taxes offset by a discrete tax benefit related to employee stock vesting.

NOTE 12 - Derivatives

In 2018, the Company entered into an interest rate swap agreement with a financial counterparty that effectively converted $400.0 million in aggregate notional amount of variable-rate debt under the Company’s former asset backed lending facility into fixed-rate debt. Under the terms of the agreement, the Company received a floating rate equal to one-month LIBOR and made payments based on a fixed rate of 3.06% on the notional amount. The swap agreement was designated and qualified as a hedge of the Company’s exposure to changes in interest payment cash flows created by fluctuations in variable interest rates on the former asset backed lending facility and terminated on May 29, 2022.

In January 2023, the Company entered into two interest rate swap agreements with financial counterparties relating to $750.0 million in aggregate notional amount of variable-rate debt under the Company’s ABL Facility. Under the terms of the agreements, the Company receives a floating rate equal to one-month term SOFR and makes payments based on a weighted average fixed interest rate of 3.44% on the notional amount. The swap agreements were designated and qualified as hedges of the Company’s exposure to changes in interest payment cash flows created by fluctuations in variable interest rates on the ABL Facility. The swap agreements terminate on June 30, 2027. The floating rate that the Company receives under the terms of these swap agreements was 4.79% at March 31, 2023.

The location and the fair value of derivative instruments designated as hedges were as follows:

(in thousands)	Balance Sheet Location	March 31, 2023
Cash Flow Hedges:
Interest rate swap	Prepaid expenses and other current assets	$	8,646
Interest rate swap	Other non-current liabilities	$	(9,394)

The fair values of the interest rate swaps are based on dealer quotes of market forward rates, Level 2 inputs on the fair value hierarchy, and reflect the amounts that the Company would receive or pay as of March 31, 2023 for contracts involving the same attributes and maturity dates.

The following table discloses the impact of the interest rate swaps, excluding the impact of income taxes, on other comprehensive income (“OCI”), AOCI and the Company’s statements of operations for the three months ended March 31,:

(in thousands)	2023		2022
(Loss) gain recognized in OCI	$	(641)	$	3,098
Location of gain (loss) recognized in income	Interest expense, net		Interest expense, net
(Gain) loss reclassified from AOCI into income	$	(1,526)	$	2,890

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Foreign Currency Contract

In December 2022, the Company executed a contingent forward contract to sell £330.0 million upon the closing of the sale of the former UK Storage Solutions segment at a price ranging from 1.20550 to 1.20440 US Dollars (USD) to British Pounds Sterling. The price was dependent upon the date of the closing of the sale. This contract, which was to expire on September 11, 2023, mitigated the foreign currency risk of the USD relative to the British Pound Sterling prior to the closing of the sale of the former UK Storage Solutions segment. This contract did not qualify for hedge accounting and was revalued at fair value at the reporting period with unrealized gains and losses reflected in the Company's results of operations. Upon the closing of the sale of the former UK Storage Solutions segment on January 31, 2023, the Company settled the contingent foreign currency forward contract and received cash at an exchange rate of 1.205 USD to British Pounds Sterling.

The location and the fair value of the foreign currency contract was as follows:

(in thousands)	Balance Sheet Location	December 31, 2022
Foreign currency contract	Accrued liabilities	$	930

The fair value of the foreign currency contract was based on dealer quotes of market forward rates, a Level 2 input on the fair value hierarchy, and reflected the amount that the Company would receive or pay for contracts involving the same attributes and maturity dates.

The location and the impact of the foreign currency contract, excluding the impact of income taxes, on the Company’s statement of operations for the three months ended March 31, 2023 was as follows:

(in thousands)	Income Statement Location	Three Months Ended March 31, 2023
Loss recognized in income	Currency losses, net	$	7,715

NOTE 13 - Fair Value Measures

The fair value of financial assets and liabilities are included at the amount at which the instrument could be exchanged in a current transaction between willing parties, other than in a forced or liquidation sale.

The Company utilizes the suggested accounting guidance for the three levels of inputs that may be used to measure fair value:

Level 1 -	Observable inputs such as quoted prices in active markets for identical assets or liabilities;
Level 2 -	Observable inputs, other than Level 1 inputs in active markets, that are observable either directly or indirectly; and
Level 3 -	Unobservable inputs for which there is little or no market data, which require the reporting entity to develop its own assumptions

The Company has assessed that the fair value of cash and cash equivalents, trade receivables, trade payables, and other current liabilities approximate their carrying amounts. Based on the borrowing rates currently available for bank loans with similar terms and average maturities, the fair value of finance leases at March 31, 2023 approximate their respective book values.

The following table shows the carrying amounts and fair values of financial liabilities which are disclosed, but not measured, at fair value, including their levels in the fair value hierarchy:

	March 31, 2023								December 31, 2022
	Carrying Amount		Fair Value						Carrying Amount		Fair Value
(in thousands)			Level 1		Level 2		Level 3				Level 1		Level 2		Level 3
ABL Facility	$	1,795,448	$	—	$	1,825,500	$	—	$	1,988,176	$	—	$	2,020,000	$	—
2025 Secured Notes	520,931		—		526,300		—		520,350		—		526,800		—
2028 Secured Notes	493,723		—		458,205		—		493,470		—		450,135		—
Total	$	2,810,102	$	—	$	2,810,005	$	—	$	3,001,996	$	—	$	2,996,935	$	—

As of March 31, 2023, the carrying values of the ABL Facility, the 2025 Secured Notes, and the 2028 Secured Notes included $30.1 million, $5.6 million, and $6.3 million, respectively, of unamortized debt issuance costs, which were presented as a direct reduction of the corresponding liability. As of December 31, 2022, the carrying value of the ABL Facility, the 2025 Secured Notes, and the 2028 Secured Notes included $31.8 million, $6.2 million, and $6.5 million, respectively, of unamortized debt issuance costs, which were presented as a direct reduction of the corresponding liability.

The carrying value of the ABL Facility, excluding debt issuance costs, approximates fair value as the interest rates are variable and reflective of current market rates. The fair value of the 2025 Secured Notes and the 2028 Secured Notes is based on their last trading price at the end of each period obtained from a third party. The classification and the fair value of derivative assets and liabilities are disclosed in Note 12.

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NOTE 14 - Stock-Based Compensation

Stock-based compensation expense includes grants of stock options, time-based restricted stock units ("Time-Based RSUs") and performance-based restricted stock units ("Performance-Based RSUs," together with Time-Based RSUs, the "RSUs"). In addition, stock-based payments to non-executive directors includes grants of restricted stock awards ("RSAs"). Time-Based RSUs and RSAs are valued based on the intrinsic value of the difference between the exercise price, if any, of the award and the fair market value of WillScot Mobile Mini's Common Stock on the grant date. Performance-Based RSUs are valued based on a Monte Carlo simulation model to reflect the impact of the Performance-Based RSU's market condition. The probability of satisfying a market condition is considered in the estimation of the grant-date fair value for Performance-Based RSUs and the compensation cost is not reversed if the market condition is not achieved, provided the requisite service has been provided.

Restricted Stock Awards

The following table summarizes the Company's RSA activity for the three months ended March 31, 2023 and 2022:

	2023			2022
	Number of Shares	Weighted-Average Grant Date Fair Value		Number of Shares	Weighted-Average Grant Date Fair Value
Outstanding at beginning of period	35,244	$	37.17	36,176	$	29.30
Outstanding at end of period	35,244	$	37.17	36,176	$	29.30

Compensation expense for RSAs recognized in SG&A on the condensed consolidated statements of operations was $0.3 million for each of the three months ended March 31, 2023 and 2022. At March 31, 2023, there was $0.2 million of unrecognized compensation cost related to RSAs that is expected to be recognized over the remaining weighted average vesting period of 0.2 years.

Time-Based RSUs

The following table summarizes the Company's Time-Based RSU activity for the three months ended March 31, 2023 and 2022:

	2023			2022
	Number of Shares	Weighted-Average Grant Date Fair Value		Number of Shares	Weighted-Average Grant Date Fair Value
Outstanding at beginning of period	789,779	$	26.16	997,451	$	18.54
Granted	213,388	$	50.74	357,639	$	35.53
Forfeited	(31,681)	$	33.67	(9,299)	$	27.20
Vested	(281,153)	$	22.40	(420,184)	$	16.21
Outstanding at end of period	690,333	$	34.95	925,607	$	26.08

Compensation expense for Time-Based RSUs recognized in SG&A on the condensed consolidated statements of operations was $1.8 million and $2.2 million for the three months ended March 31, 2023 and 2022, respectively. At March 31, 2023, unrecognized compensation cost related to Time-Based RSUs totaled $21.6 million and is expected to be recognized over the remaining weighted average vesting period of 2.7 years.

Performance-Based RSUs

The following table summarizes the Company's Performance-Based RSU award activity for the three months ended March 31, 2023 and 2022:

	2023			2022
	Number of Shares	Weighted-Average Grant Date Fair Value		Number of Shares	Weighted-Average Grant Date Fair Value
Outstanding at beginning of period	1,894,250	$	33.67	1,536,394	$	26.34
Granted	376,826	$	69.32	745,079	$	42.34
Forfeited	—	$	—	(5,046)	$	39.10
Vested	(181,319)	$	16.82	(267,964)	$	13.22
Outstanding at end of period	2,089,757	$	41.56	2,008,463	$	33.99

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Compensation expense for Performance-Based RSUs recognized in SG&A on the condensed consolidated statements of operations was $5.8 million and $3.8 million for the three months ended March 31, 2023 and 2022, respectively. At March 31, 2023, unrecognized compensation cost related to Performance-Based RSUs totaled $56.2 million and is expected to be recognized over the remaining vesting period of 2.1 years.

Certain Performance-Based RSUs cliff vest based on achievement of the relative total stockholder return ("TSR") of the Company's Common Stock as compared to the TSR of the constituents in an index at the grant date over the performance period of three years. For 2023 grants, the TSR of the Company's Common Stock is compared to the TSR of the constituents in the S&P 400 Index. The target number of RSUs may be adjusted from 0% to 200% based on the TSR attainment levels defined by the Company's Compensation Committee. The 100% target payout is tied to performance at the 50% percentile, with a payout curve ranging from 0% (for performance less than the 25% percentile) to 200% (for performance above the 85% percentile).

Stock Options

The following table summarizes the Company's stock option activity for the three months ended March 31, 2023:

	WillScot Options	Weighted-Average Exercise Price per Share		Converted Mobile Mini Options	Weighted-Average Exercise Price per Share
Outstanding at beginning of period	534,188	$	13.60	864,276	$	12.91
Exercised	—	—		(5,774)	11.79
Outstanding at end of period	534,188	$	13.60	858,502	$	12.92
Fully vested and exercisable options, March 31, 2023	534,188	$	13.60	858,502	$	12.92

The following table summarizes the Company's stock option activity for the three months ended March 31, 2022:

	WillScot Options	Weighted-Average Exercise Price per Share		Converted Mobile Mini Options	Weighted-Average Exercise Price per Share
Outstanding at beginning of period	534,188	$	13.60	1,527,643	$	14.66
Exercised	—	—		(227,258)	14.58
Outstanding at end of period	534,188	$	13.60	1,300,385	$	14.67
Fully vested and exercisable options, March 31, 2022	534,188	$	13.60	1,300,385	$	14.67

WillScot Options

Compensation expense for stock option awards, recognized in SG&A on the condensed consolidated statements of operations, was $0.2 million for the three months ended March 31, 2022.

NOTE 15 - Commitments and Contingencies

The Company is involved in various lawsuits, claims and legal proceedings that arise in the ordinary course of business. The Company assesses these matters on a case-by-case basis as they arise and establishes reserves as required. As of March 31, 2023, with respect to these outstanding matters, the Company believes that the amount or range of reasonably possible loss will not, either individually or in the aggregate, have a material adverse effect on the consolidated financial position, results of operations, or cash flows. However, the outcome of such matters is inherently unpredictable and subject to significant uncertainties.

NOTE 16 - Segment Reporting

The Company operates in two reportable segments as follows: Modular Solutions ("Modular") and Storage Solutions ("Storage"). Total assets for each reportable segment are not available because the Company utilizes a centralized approach to working capital management. Transactions between reportable segments are not significant. During the first quarter of 2023, the ground level office business within the Modular segment was transferred to the Storage segment, and associated revenues, expenses, and operating metrics were transferred to the Storage segment. All periods presented have been retrospectively revised to reflect this change within the Modular and Storage segments. For the three months ended March 31, 2022, this resulted in approximately $11.1 million of revenue and $6.3 million of gross profit being transferred from the Modular segment to the Storage segment.

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The Company defines EBITDA as net income (loss) plus interest (income) expense, income tax (benefit) expense, depreciation and amortization. The Company reflects further adjustments to EBITDA (“Adjusted EBITDA”) to exclude certain non-cash items and the effect of what the Company considers transactions or events not related to its core and ongoing business operations. In addition, the Chief Operating Decision Maker ("CODM") evaluates business segment performance utilizing Adjusted EBITDA as shown in the reconciliation of the Company’s consolidated income from continuing operations to Adjusted EBITDA below. Management believes that evaluating segment performance excluding such items is meaningful because it provides insight with respect to the intrinsic and ongoing operating results of the Company. The Company considers Adjusted EBITDA to be an important metric because it reflects the business performance of the segments, inclusive of indirect costs. The Company also regularly evaluates gross profit by segment to assist in the assessment of its operational performance. 

Reportable Segments

The following tables set forth certain information regarding each of the Company’s reportable segments for the three months ended March 31, 2023 and 2022, respectively.

	Three Months Ended March 31, 2023
(in thousands)	Modular		Storage		Unallocated Costs		Total
Revenues:
Leasing and services revenue:
Leasing	$	269,271	$	170,680			$	439,951
Delivery and installation	64,821		41,809				106,630
Sales revenue:
New units	8,921		1,736				10,657
Rental units	6,657		1,573				8,230
Total revenues	349,670		215,798				565,468
Costs:
Cost of leasing and services:
Leasing	73,582		23,933				97,515
Delivery and installation	51,503		23,504				75,007
Cost of sales:
New units	5,665		543				6,208
Rental units	3,370		1,084				4,454
Depreciation of rental equipment	50,215		8,941				59,156
Gross profit	$	165,335	$	157,793			$	323,128
Other selected data:
Adjusted EBITDA	$	136,964	$	109,878	$	—	$	246,842
Selling, general and administrative expense	$	81,816	$	57,675	$	11,401	$	150,892
Purchases of rental equipment and refurbishments	$	39,412	$	7,345	$	—	$	46,757

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	Three Months Ended March 31, 2022
(in thousands)	Modular		Storage		Unallocated Costs		Total
Revenues:
Leasing and services revenue:
Leasing	$	223,298	$	128,261			$	351,559
Delivery and installation	54,332		31,207				85,539
Sales revenue:
New units	4,844		943				5,787
Rental units	6,073		2,213				8,286
Total revenues	288,547		162,624				451,171
Costs:
Cost of leasing and services:
Leasing	61,330		19,004				80,334
Delivery and installation	47,906		22,674				70,580
Cost of sales:
New units	3,256		500				3,756
Rental units	3,449		1,443				4,892
Depreciation of rental equipment	50,008		7,540				57,548
Gross profit	$	122,598	$	111,463			$	234,061
Other selected data:
Adjusted EBITDA	$	99,586	$	68,187	$	—	$	167,773
Selling, general and administrative expense	$	74,638	$	51,862	$	11,644	$	138,144
Purchases of rental equipment and refurbishments	$	57,577	$	20,171	$	—	$	77,748

The following table presents reconciliations of the Company’s income from continuing operations to Adjusted EBITDA for the three months ended March 31, 2023 and 2022, respectively:

	Three Months Ended March 31,
(in thousands)	2023		2022
Income from continuing operations	$	76,271	$	39,048
Income tax expense from continuing operations	30,510		12,083
Interest expense	44,866		30,570
Depreciation and amortization	76,329		72,910
Currency losses, net	6,775		137
Restructuring costs, lease impairment expense and other related charges	22		263
Transaction costs	—		13
Integration costs	3,873		4,087
Stock compensation expense	8,150		6,273
Other	46		2,389
Adjusted EBITDA	$	246,842	$	167,773

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NOTE 17 - Earnings Per Share

The following table reconciles the weighted average shares outstanding for the basic calculation to the weighted average shares outstanding for the diluted calculation:

	Three Months Ended
	March 31
(in thousands)	2023		2022
Numerator:
Income from continuing operations	$	76,271	$	39,048
Income from discontinued operations	134,613		12,123
Net income	$	210,884	$	51,171
Denominator:
Weighted average Common Shares outstanding – basic	206,092		223,491
Dilutive effect of shares outstanding
Warrants	—		1,889
RSAs	27		27
Time-based RSUs	326		483
Performance-based RSUs	2,206		1,819
Stock Options	1,013		1,246
Weighted average Common Shares outstanding – dilutive	209,664		228,956

For the three months ended March 31, 2022, 555,790 shares of Performance-Based RSUs were excluded from the computation of diluted EPS because their effect would have been anti-dilutive.

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ITEM 2.    Management’s Discussion and Analysis of Financial Condition and Results of Operations

The following Management’s Discussion and Analysis of Financial Condition and Results of Operations (“MD&A”) is intended to help the reader understand WillScot Mobile Mini Holdings Corp. ("WillScot Mobile Mini"), our operations and our present business environment. MD&A is provided as a supplement to, and should be read in conjunction with, our financial statements and the accompanying notes thereto, contained in Part I, Item 1 of this report. The discussion of results of operations in this MD&A is presented on a historical basis, as of or for the three months ended March 31, 2023 or prior periods.

On September 30, 2022, the Company completed the sale of its former Tank and Pump Solutions ("Tank and Pump") segment. On January 31, 2023, the Company completed the sale of its former United Kingdom ("UK") Storage Solutions segment. This MD&A presents the historical financial results of the former Tank and Pump segment and the former UK Storage Solutions segment as discontinued operations for all periods presented.

The consolidated financial statements were prepared in conformity with accounting principles generally accepted in the US (“GAAP”). We use certain non-GAAP financial metrics to supplement the GAAP reported results to highlight key operational metrics that are used by management to evaluate Company performance. Reconciliations of GAAP financial information to the disclosed non-GAAP measures are provided in the Reconciliation of Non-GAAP Financial Measures section.

Executive Summary and Outlook

We are a leading business services provider specializing in innovative flexible work space and portable storage solutions. We service diverse end markets across all sectors of the economy throughout the United States ("US"), Canada, and Mexico. As of March 31, 2023, our branch network included approximately 240 branch locations and additional drop lots to service our over 85,000 customers. We offer our customers an extensive selection of “Ready to Work” modular space and portable storage solutions with over 154,000 modular space units and over 210,000 portable storage units in our fleet.

We primarily lease, rather than sell, our modular and portable storage units to customers, which results in a highly diversified and predictable reoccurring revenue stream. Over 90% of new lease orders are on our standard lease agreement, pre-negotiated master lease or national account agreements. The initial lease periods vary, and our leases are customarily renewable on a month-to-month basis after their initial term. Our lease revenue is highly predictable due to its reoccurring nature and the underlying stability and diversification of our lease portfolio. Furthermore, given that our customers value flexibility, they consistently extend their leases or renew on a month-to-month basis such that the average effective duration of our lease portfolio, excluding seasonal portable storage units, is approximately 33 months. We complement our core leasing business by selling both new and used units, allowing us to leverage scale, achieve purchasing benefits and redeploy capital employed in our lease fleet.

Our customers operate in a diversified set of end markets, including construction, commercial and industrial, retail and wholesale trade, energy and natural resources, education, government and institutions and healthcare. Core to our operating model is the ability to redeploy standardized assets across end markets. We track several market leading indicators to predict demand, including those related to our two largest end markets, the commercial and industrial sector and the construction sector, which collectively accounted for approximately 88% of our revenues in the three months ended March 31, 2023.

We remain focused on our core priorities of growing leasing revenues by increasing units on rent, both organically and through our acquisition strategy, delivering “Ready to Work” solutions to our customers with value added products and services ("VAPS"), and on continually improving the overall customer experience.

Significant Developments

Customer Relationship Management ("CRM") System

On February 6, 2023, we successfully completed the harmonization of our separate Modular and Storage CRM systems onto a single unified system. With this enhanced platform, we have a combined view of our customers and projects across the entire sales team. Going forward, we will focus on productivity management and building a more targeted and predictive approach to anticipate- and service- customer demand, with continued improvement in engagement and outreach underpinned by our data warehouse.

Divestiture

On January 31, 2023, we completed the sale of our former UK Storage Solutions segment for total cash consideration of $418.1 million. Proceeds from the sale were used to support ongoing reinvestment in our Modular and Storage operating segments in North America and other capital allocation priorities.

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Reportable Segments

Following the divestitures of the UK Storage Solutions and Tank and Pump segments, we operate in two reporting segments: Modular Solutions ("Modular") and Storage Solutions ("Storage"). The reporting segments are aligned with how we operate and analyze our business results. During the first quarter of 2023, the ground level office business within the Modular segment was transferred to the Storage segment, and associated revenues, expenses, and operating metrics were transferred to the Storage segment. All periods presented have been retrospectively revised to reflect this adjustment within the Modular and Storage segments. For the twelve months ended December 31, 2022, this resulted in approximately $49.8 million of revenue and $28.5 million of gross profit being transferred from the Modular segment to the Storage segment.

Asset Acquisitions

During the first quarter of 2023, we acquired certain assets and liabilities of two regional and local storage and modular companies, which consisted primarily of approximately 300 storage units and 500 modular units for $79.6 million in cash. The accompanying consolidated financial statements include $70.4 million of rental equipment and $4.5 million of land held for sale as a result of these acquisitions.

Interest Rate Swap Agreements

In January 2023, we entered into two interest rate swap agreements with financial counterparties relating to $750.0 million in aggregate notional amount of variable-rate debt under our ABL Facility (as defined below). Under the terms of the agreements, we receive a floating rate equal to one-month term SOFR and will make payments based on a weighted average fixed interest rate of 3.44% on the notional amount. The swap agreements were designated and qualified as hedges of our exposure to changes in interest payment cash flows created by fluctuations in variable interest rates on the ABL Facility. The swap agreements terminate on June 30, 2027.

Share Repurchases

During the three months ended March 31, 2023, we repurchased 4,589,308 shares of Common Stock for $215.7 million. As of March 31, 2023, $415.1 million of the approved share repurchase pool remained available. Given the predictability of our free cash flow, we believe that repurchases will be a reoccurring capital allocation priority.

Inflation and Supply Chain Issues

Similar to many other organizations, we face inflationary pressures across most of our input costs such as building materials, labor, transportation and fuel. Inflation has contributed to increased capital costs both for new units as well as for refurbishment of our existing units. However, given our scale and our strong rate performance, we believe we have been able to navigate the inflationary environment well and have consistently driven margin improvements during this period of rising costs. Additionally, because we derive the majority of our revenue from leasing our existing lease fleet units to customers and our material purchases to maintain these units consist primarily of general building materials, we have not experienced significant supply chain issues to date.

First Quarter Highlights

For the three months ended March 31, 2023, key drivers of our financial performance included:

•Total revenues increased $114.3 million, or 25.3%. Leasing revenue increased $88.4 million, or 25.1%, delivery and installation revenue increased $21.1 million, or 24.7%, rental unit sales decreased $0.1 million, or 1.2%, and new sales revenue increased $4.9 million, or 84.5%.

Key leasing revenue drivers included:

•Average portable storage units on rent increased 12,304 units, or 8.1%, and average modular space units on rent decreased 1,430 units, or 1.4%.

•Average modular space monthly rental rate increased $163, or 19.7%, to $989 driven by strong pricing performance across both segments. Average modular space monthly rental rates increased by $152, or 17.0%, in the Modular segment and by $174, or 29.7%, in the Storage segment.

•Average portable storage monthly rental rate increased $50, or 30.1%, to $216 driven by increased pricing as a result of our price management tools and processes.

•Average utilization for portable storage units decreased to 78.7% from 83.1% for the same period in 2022 driven by decreased demand in 2023 as compared to the same period in 2022. Average utilization for modular space units decreased 250 basis points ("bps") to 66.0%.

•Modular segment revenue, which represents 61.8% of consolidated revenue for the three months ended March 31, 2023, increased $61.1 million, or 21.2%, to $349.7 million. The increase was driven by our core leasing revenue, which grew $46.0 million, or 20.6%, due to continued growth of pricing and VAPS, and by delivery and installation revenues, which increased $10.5 million, or 19.3%, driven by increased pricing. Rental unit sales increased $0.5 million, or 8.1%, and new unit sales increased $4.1 million, or 85.4%. Modular revenue drivers for the three months ended March 31, 2023 included:

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•Modular space average monthly rental rate of $1,046, increased 17.0% year over year representing a continuation of the long-term price optimization and VAPS penetration opportunities across our portfolio.

•Average modular space units on rent increased 1,219, or 1.5%, year over year.

•Average modular space monthly utilization decreased 70 bps to 66.2% for the three months ended March 31, 2023, as compared to the three months ended March 31, 2022.

•Storage segment revenue, which represents 38.2% of consolidated revenue for the three months ended March 31, 2023, increased $53.2 million, or 32.7%, to $215.8 million. The increase was driven by our core leasing revenue, which grew $42.4 million, or 33.0%, due to increased units on rent and increased pricing, and by delivery and installation revenues, which increased $10.6 million, or 34.0%, driven by increased pricing. Rental unit sales decreased $0.6 million, or 27.3%, and new unit sales increased $0.8 million, or 88.9%. Storage revenue drivers for the three months ended March 31, 2023 included:

•Portable storage average monthly rental rate of $216 increased 30.1% year over year as a result of our price management tools and processes and early benefits from increased VAPS penetration opportunities. Modular space average monthly rental rate of $760 increased 29.7% year over year as a result of price optimization and increased VAPS penetration.

•Average portable storage units on rent increased 12,265, or 8.1%, year over year driven by growth achieved in 2022. Average modular space units on rent decreased 2,649, or 11.6%, year over year.

•Average portable storage monthly utilization decreased 450 bps to 78.7% for the three months ended March 31, 2023, as compared to the three months ended March 31, 2022. Average modular space monthly utilization decreased 960 bps to 65.3% for the three months ended March 31, 2023, as compared to the three months ended March 31, 2022.

•Generated income from continuing operations of $76.3 million for the three months ended March 31, 2023. Discrete costs in the period included $3.9 million of integration costs.

•Generated Adjusted EBITDA from continuing operations of $246.8 million for the three months ended March 31, 2023, representing an increase of $79.0 million, or 47.1%, as compared to the same period in 2022. This increase was driven primarily by increased leasing and delivery and installation gross profit.

•Adjusted EBITDA margin from continuing operations was 43.7% in the first quarter of 2023 and increased 650 bps versus prior year driven by continued expansion of all margin lines. Most significantly, delivery and installation margins increased 1,220 bps versus prior year driven primarily by increased pricing.

•Net cash provided by operating activities increased $3.2 million to $148.8 million despite the divestitures of the Tank and Pump and UK Storage Segments. Net cash used in investing activities, excluding cash used as part of acquisitions and proceeds from the sale of discontinued operations including the settlement of the contingent foreign currency forward contract that we executed relating to the sale of the former UK Storage Solutions segment, decreased by $45.1 million as a result of reduced refurbishment spending and decreased purchases of new fleet as a result of lower utilization.

•Generated Free Cash Flow of $102.9 million for the three months ended March 31, 2023 representing an increase of $48.3 million as compared to the same period in 2022. This Free Cash Flow along with additional net borrowings under the ABL Facility (defined as receipts from borrowings, less repayment of borrowings from the condensed consolidated statement of cash flows) and proceeds of $404.3 million related to the sale of the former UK Storage Solutions segment, net of the settlement of the contingent foreign currency forward contract, were deployed to:

•Acquire two regional and local storage and modular portfolios of approximately 300 storage units and 500 modular units for $79.6 million; and

•Return $215.7 million to shareholders through stock repurchases, reducing outstanding Common Stock by 4,589,308 shares.

•We believe the predictability of our free cash flow allows us to pursue multiple capital allocation priorities opportunistically, including investing in organic opportunities we see in the market, maintaining leverage in our stated range, opportunistically executing accretive acquisitions, and returning capital to shareholders.

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Consolidated Results of Operations

Three Months Ended March 31, 2023 Compared to the Three Months Ended March 31, 2022

Our condensed consolidated statements of operations for the three months ended March 31, 2023 and 2022 are presented below.

	Three Months Ended March 31,				2023 vs. 2022 $ Change
(in thousands)	2023		2022
Revenues:
Leasing and services revenue:
Leasing	$	439,951	$	351,559	$	88,392
Delivery and installation	106,630		85,539		21,091
Sales revenue:
New units	10,657		5,787		4,870
Rental units	8,230		8,286		(56)
Total revenues	565,468		451,171		114,297
Costs:
Costs of leasing and services:
Leasing	97,515		80,334		17,181
Delivery and installation	75,007		70,580		4,427
Costs of sales:
New units	6,208		3,756		2,452
Rental units	4,454		4,892		(438)
Depreciation of rental equipment	59,156		57,548		1,608
Gross profit	323,128		234,061		89,067
Expenses:
Selling, general and administrative	150,892		138,144		12,748
Other depreciation and amortization	17,173		15,362		1,811
Currency losses, net	6,775		137		6,638
Other income, net	(3,359)		(1,283)		(2,076)
Operating income	151,647		81,701		69,946
Interest expense	44,866		30,570		14,296
Income from continuing operations before income tax	106,781		51,131		55,650
Income tax expense from continuing operations	30,510		12,083		18,427
Income from continuing operations	$	76,271	$	39,048	$	37,223
Discontinued operations:
Income from discontinued operations before income tax	4,003		15,787		(11,784)
Gain on sale of discontinued operations	176,078		—		176,078
Income tax expense from discontinued operations	45,468		3,664		41,804
Income from discontinued operations	134,613		12,123		122,490
Net income	$	210,884	$	51,171	$	159,713

Comparison of Three Months Ended March 31, 2023 and 2022

Revenue: Total revenue increased $114.3 million, or 25.3%, to $565.5 million for the three months ended March 31, 2023 from $451.2 million for the three months ended March 31, 2022. Leasing revenue increased $88.4 million, or 25.1%, as compared to the same period in 2022 driven by improved pricing and value added products penetration and an increase of 12,304 average portable storage units on rent. Delivery and installation revenues increased $21.1 million, or 24.7%, due to increased pricing across both of our segments. Rental unit sales decreased $0.1 million, or 1.2%, and new unit sales increased $4.9 million, or 84.5% driven by increased sale opportunities in our Modular segment.

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Total average units on rent for the three months ended March 31, 2023 and 2022 were 267,230 and 256,356, respectively, representing an increase of 10,874, or 4.2%. Portable storage average units on rent increased by 12,304 units, or 8.1%, for the three months ended March 31, 2023 driven by strong delivery and unit on rent growth in 2022. The average portable storage unit utilization rate during the three months ended March 31, 2023 was 78.7%, as compared to 83.1% during the same period in 2022. Modular space average units on rent decreased 1,430 units, or 1.4%, for the three months ended March 31, 2023 as compared to the three months ended March 31, 2022. The average modular space unit utilization rate during the three months ended March 31, 2023 was 66.0% as compared to 68.5% during the same period in 2022.

Modular space average monthly rental rates increased 19.7% to $989 for the three months ended March 31, 2023. Average modular space monthly rental rates increased by $152, or 17.0%, to $1,046 in the Modular segment and by $174, or 29.7%, in the Storage segment. Increases were driven by a continuation of the long-term price optimization and VAPS penetration opportunities across our Modular segment as well as by application of these same price management tools and processes across the Storage segment.

Average portable storage monthly rental rates increased 30.1% to $216 for the three months ended March 31, 2023 driven by our price management tools and processes and early benefits from increased VAPS penetration opportunities on our basic VAPS offerings in the Storage segment, which began in the second quarter of 2022.

Gross Profit: Gross profit increased $89.1 million, or 38.1%, to $323.1 million for the three months ended March 31, 2023 from $234.1 million for the three months ended March 31, 2022. The increase in gross profit was a result of a $71.2 million increase in leasing gross profit, increased delivery and installation gross profit of $16.7 million and increased new and rental unit sales gross profit of $2.8 million. Increases were primarily a result of increased revenues due to favorable average monthly rental rates and delivery and installation pricing across both portable storage and modular space units, as well as due to increased portable storage units on rent. Cost of leasing and services increased by $21.6 million, or 14.3%, for the three months ended March 31, 2023 versus the three months ended March 31, 2022, driven by a $5.7 million, or 27.6%, increase in material costs, a $7.4 million, or 13.9%, increase in labor costs, a $6.6 million, or 11.8%, increase in subcontractor costs, and a $1.9 million, or 9.1%, increase in vehicle, equipment and other costs. Cost of sales increased by $2.0 million, or 23.3%, which is in line with expected costs to deliver increased sales revenues of 35.0% for the three months ended March 31, 2023, resulting in improved sales gross profit margins. The year over year changes in each of these cost components was consistent with historical trends and management's expectations given the respective change in sales volume and inflationary pressures impacting our business. Increase in gross profit were offset partially by increased depreciation of $1.6 million, or 2.8%, as a result of capital investments made over the past twelve months in rental equipment.

Our resulting gross profit percentage was 57.1% and 51.9% for the three months ended March 31, 2023 and 2022, respectively. Our gross profit percentage, excluding the effects of depreciation, was 67.6% and 64.6% for the three months ended March 31, 2023 and 2022, respectively. These increases were driven primarily by continued price optimization within leasing, delivery, and installation revenues and execution of VAPS penetration opportunities that have outpaced increases in cost of leasing and services.

SG&A: Selling, general and administrative ("SG&A") increased $12.7 million, or 9.2%, to $150.9 million for the three months ended March 31, 2023, compared to $138.1 million for the three months ended March 31, 2022. Employee Costs excluding stock compensation increased $2.5 million, or 3.8%, as a result of an increase in indirect labor headcount and annual wage increases. Travel expenses increased $3.5 million, or 66.3%, due to increased travel and training, and real estate costs increased $2.1 million, or 11.2%. Additionally, stock compensation expense increased $1.9 million to $8.2 million for the three months ended March 31, 2023, compared to $6.3 million for the three months ended March 31, 2022.

Other Depreciation and Amortization: Other depreciation and amortization increased $1.8 million to $17.2 million for the three months ended March 31, 2023 compared to $15.4 million for the three months ended March 31, 2022. The increase was driven by increased depreciation as a result of our recent investments in our CRM system and other infrastructure improvements across our branch network.

Currency Losses (Gains), net: Currency losses, net increased by $6.7 million to $6.8 million for the three months ended March 31, 2023 from $0.1 million for the three months ended March 31, 2022. This change was primarily attributable to a loss on the settlement of the contingent foreign currency forward contract to sell £330.0 million upon the closing of the sale of the former UK Storage Solutions segment.

Other Expense (Income), Net: Other income, net was $3.4 million for the three months ended March 31, 2023 compared to $1.3 million for the three months ended March 31, 2022. The increase in other income, net was related to an increase in insurance recoveries during 2023 related to Hurricanes in the Gulf Coast area of the United States.

Interest Expense: Interest expense increased $14.3 million, or 46.7%, to $44.9 million for the three months ended March 31, 2023 from $30.6 million for the three months ended March 31, 2022. The increase in interest expense was a result of higher overall weighted average interest rates as a result of our financing activities. See Note 9 to the condensed consolidated financial statements for further discussion of our debt.

Income Tax Expense: Income tax expense increased $18.4 million to $30.5 million for the three months ended March 31, 2023 compared to $12.1 million for the three months ended March 31, 2022. The increase in expense was driven by

30

an increase in income from continuing operations before income tax for the three months ended March 31, 2023 as compared to the three months ended March 31, 2022.

Income from Discontinued Operations: Income from discontinued operations increased $122.5 million to $134.6 million for the three months ended March 31, 2023 compared to $12.1 million for the three months ended March 31, 2022. The increase in income from discontinued operations was driven by the gain on sale of the former UK Storage Solutions segment of $176.1 million, partially offset by an increase in income tax expense from discontinued operations.

Business Segment Results

The Company operates in two reportable segments as follows: Modular and Storage. Modular represents the activities of the North American modular business, excluding ground level offices, which were transferred to the Storage segment during the first quarter of 2023. Storage represents the activities of the North American portable storage and ground level office business. As part of the transfer of the ground level offices to Storage, we also adjusted average modular space monthly rental rate in the Storage segment to only include VAPS specifically applicable to ground level offices, which has also been reflected in the total average modular space monthly rental rate.

The following tables and discussion summarize our reportable segment financial information for the three months ended March 31, 2023 and 2022.

Comparison of Three Months Ended March 31, 2023 and 2022

	Three Months Ended March 31, 2023
(in thousands, except for units on rent and rates)	Modular			Storage			Total
Revenue	$	349,670		$	215,798		$	565,468
Gross profit	$	165,335		$	157,793		$	323,128
Adjusted EBITDA	$	136,964		$	109,878		$	246,842
Capital expenditures for rental equipment	$	39,412		$	7,345		$	46,757
Average modular space units on rent	81,902			20,235			102,137
Average modular space utilization rate	66.2		%	65.3		%	66.0		%
Average modular space monthly rental rate	$	1,046		$	760		$	989
Average portable storage units on rent	502			164,591			165,093
Average portable storage utilization rate	62.0		%	78.7		%	78.7		%
Average portable storage monthly rental rate	$	217		$	216		$	216

	Three Months Ended March 31, 2022
(in thousands, except for units on rent and rates)	Modular			Storage			Total
Revenue	$	288,547		$	162,624		$	451,171
Gross profit	$	122,598		$	111,463		$	234,061
Adjusted EBITDA	$	99,586		$	68,187		$	167,773
Capital expenditures for rental equipment	$	57,577		$	20,171		$	77,748
Average modular space units on rent	$	80,683		$	22,884		$	103,567
Average modular space utilization rate	66.9		%	74.9		%	68.5		%
Average modular space monthly rental rate	$	894		$	586		$	826
Average portable storage units on rent	$	463		$	152,326		$	152,789
Average portable storage utilization rate	52.6		%	83.2		%	83.1		%
Average portable storage monthly rental rate	$	160		$	166		$	166

Modular

Revenue: Total revenue increased $61.1 million, or 21.2%, to $349.7 million for the three months ended March 31, 2023 from $288.6 million for the three months ended March 31, 2022. The increase was primarily the result of a $46.0 million, or 20.6%, increase in leasing revenue, a $10.5 million, or 19.3%, increase in delivery and installation revenue driven by improved pricing, an increase of $0.5 million, or 8.1%, in rental unit sales revenue and a $4.1 million, or 85.4%, increase in new unit sales. Average modular space monthly rental rates increased 17.0% for the three months ended March 31, 2023 to

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$1,046 driven by the continuation of the long-term price optimization and VAPS penetration opportunities across our portfolio. Average modular space units on rent increased by 1,219 units, or 1.5%, year over year.

Gross Profit: Gross profit increased $42.7 million, or 34.8%, to $165.3 million for the three months ended March 31, 2023 from $122.6 million for the three months ended March 31, 2022. The increase in gross profit was driven by higher leasing gross profit, which increased $33.7 million, or 20.8%, driven from improved pricing including VAPS. The increase in gross profit from leasing for the three months ended March 31, 2023 was further complemented by a $6.9 million increase in delivery and installation gross profit driven by increased pricing ahead of inflationary costs, a $0.6 million increase in rental unit sales gross profit, and a $1.7 million increase in new sales gross profit, partially offset by a $0.2 million increase in depreciation of rental equipment. Cost of leasing and services increased by $15.8 million, or 14.5%, for the three months ended March 31, 2023 versus the three months ended March 31, 2022, driven by a $5.5 million, or 35.0%, increase in material costs, a $5.3 million, or 14.4%, increase in labor costs, a $4.0 million, or 9.0%, increase in subcontractor costs, and a $1.0 million, or 8.2%, increase in vehicle, equipment and other costs. Cost of sales increased by $2.3 million, or 34.7%, which is in line with expected costs to deliver increased sales revenues of 43.1% for three months ended March 31, 2023, resulting in improved sales gross profit margins. The year over year changes in each of these cost components was consistent with historical trends and management's expectations given the respective change in sales volume and inflationary pressures impacting our business. Increases in gross profit were offset partially by increased depreciation of $0.2 million, or 0.4%, as a result of capital investments made over the past twelve months in rental equipment.

Adjusted EBITDA: Adjusted EBITDA increased $37.3 million, or 37.4%, to $136.9 million for the three months ended March 31, 2023 from $99.6 million for the three months ended March 31, 2022. The increase was primarily driven by higher leasing and delivery and installation gross profit discussed above. SG&A, excluding discrete items, increased $7.2 million, or 9.7%, for the three months ended March 31, 2023, as compared to the three months ended March 31, 2022. Employee Costs increased $3.3 million, or 9.7%, as a result of an increase in indirect labor headcount and annual wage increases. Travel expenses increased $1.7 million, or 52.8% due to increased travel and training, and real estate costs increased $1.1 million, or 8.6%.

Capital Expenditures for Rental Equipment: Purchases of rental equipment and refurbishments decreased $18.2 million, or 31.6%, to $39.4 million for the three months ended March 31, 2023 from $57.6 million for the three months ended March 31, 2022 driven by successful efforts to reduce our refurbishment costs through better unit selection and work scope during 2023.

Storage

Revenue: Total revenue increased $53.2 million, or 32.7%, to $215.8 million for the three months ended March 31, 2023 from $162.6 million for the three months ended March 31, 2022. The increase was primarily the result of a $42.4 million, or 33.0%, increase in leasing revenue and a $10.6 million, or 34.0%, increase in delivery and installation revenue driven by improved pricing. Sales revenues increased $0.2 million, or 6.5%. Average portable storage monthly rental rates increased 30.1% for the three months ended March 31, 2023 to $216 driven by our price management tools and processes and early benefits from increased VAPS penetration opportunities on our basic VAPS offerings, which began in the second quarter of 2022. Average modular space units on rent increased by 12,265 units, or 8.1%, year over year driven by strong delivery and unit on rent growth in 2022. Average modular space monthly rental rates increased 29.7% year-over-year driven primarily by increased pricing on new deliveries; however, average units on rent decreased 11.6% driven by lower demand.

Gross Profit: Gross profit increased by $46.3 million, or 41.5%, to $157.8 million for the three months ended March 31, 2023 compared to $111.5 million for the three months ended March 31, 2022. Gross profit on leasing activity increased by $37.5 million year over year driven by both increased volume and increased pricing as described above. Delivery and installation gross profit increased $9.8 million, or 114.5%, driven by increased pricing ahead of inflationary cost. Sales gross profit increased by $0.5 million to $1.7 million. Increases in gross profit were partially offset by a $1.4 million increase in depreciation of rental equipment. Cost of leasing and services increased by $5.8 million, or 13.9%, for the three months ended March 31, 2023 versus the three months ended March 31, 2022, driven by a $0.2 million, or 4.1%, increase in material costs, a $2.1 million, or 12.8%, increase in labor costs, a $2.5 million, or 22.9%, increase in subcontractor costs, and a $0.9 million, or 10.2%, increase in vehicle, equipment and other costs. Cost of sales decreased by $0.3 million, or 16.1%, driven by improved sales gross profit margins on increased sales revenues of 6.5% for three months ended March 31, 2023. The year over year changes in each of these cost components was consistent with historical trends and management's expectations given the respective change in sales volume and inflationary pressures impacting our business. These increases were offset partially by increased depreciation of $1.4 million, or 18.6%, as a result of capital investments made over the past twelve months in rental equipment.

Adjusted EBITDA: Adjusted EBITDA increased $41.7 million, or 61.1%, to $109.9 million for the three months ended March 31, 2023 from $68.2 million for the three months ended March 31, 2022 and the margin expanded to 50.9% from 41.9% as a result of increased units on rent, favorable pricing on units and on delivery and installation, and increased VAPS penetration. The increase in Adjusted EBITDA was driven primarily by increased leasing gross profit as described above, partially offset by increased SG&A. SG&A, excluding discrete items, increased $5.8 million, or 11.2%, for the three months ended March 31, 2023, as compared to the three months ended March 31, 2022. Employee Costs decreased $0.8 million, or

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2.6%, due to reduced variable compensation that offset annual wage increases. Travel expenses increased $1.8 million, or 87.4% due to increased travel and training, and real estate costs increased $1.0 million, or 17.0%.

Capital Expenditures for Rental Equipment: Purchases of rental equipment and refurbishments of $7.3 million were $12.9 million lower than the prior-year quarter driven by a reduction in new container purchases during 2023 given current utilization and the significant investments made in 2022.

Other Non-GAAP Financial Data and Reconciliations

In addition to using GAAP financial measurements, we use certain non-GAAP financial measures to evaluate our operating results. As such, we include in this Quarterly Report on Form 10-Q reconciliations of non-GAAP financial measures to their most directly comparable GAAP financial measures. Set forth below are definitions and reconciliations to the nearest comparable GAAP measure of certain non-GAAP financial measures used in this Quarterly Report on Form 10-Q along with descriptions of why we believe these measures provide useful information to investors as well as a description of the limitations of these measures. Each of these non-GAAP financial measures has limitations as an analytical tool and should not be considered in isolation from, or as a substitute for analysis of, results reported under GAAP. Our measurements of these metrics may not be comparable to similarly titled measures of other companies.

Adjusted EBITDA

We define EBITDA as net income (loss) plus interest (income) expense, income tax expense (benefit), depreciation and amortization. Our adjusted EBITDA ("Adjusted EBITDA") reflects the following further adjustments to EBITDA to exclude certain non-cash items and the effect of what we consider transactions or events not related to our core business operations:

•Currency (gains) losses, net on monetary assets and liabilities denominated in foreign currencies other than the subsidiaries’ functional currency.

•Goodwill and other impairment charges related to non-cash costs associated with impairment charges to goodwill, other intangibles, rental fleet and property, plant and equipment.

•Restructuring costs, lease impairment expense, and other related charges associated with restructuring plans designed to streamline operations and reduce costs including employee and lease termination costs.

•Transaction costs including legal and professional fees and other transaction specific related costs.

•Costs to integrate acquired companies, including outside professional fees, non-capitalized costs associated with system integrations, non-lease branch and fleet relocation expenses, employee training costs, and other costs required to realize cost or revenue synergies.

•Non-cash charges for stock compensation plans.

•Other expense, including consulting expenses related to certain one-time projects, financing costs not classified as interest expense, and gains and losses on disposals of property, plant, and equipment.

Our Chief Operating Decision Maker ("CODM") evaluates business segment performance utilizing Adjusted EBITDA as shown in the reconciliation of the Company’s consolidated income from continuing operations to Adjusted EBITDA below. Management believes that evaluating segment performance excluding such items is meaningful because it provides insight with respect to the intrinsic and ongoing operating results of the Company and captures the business performance of the segments, inclusive of indirect costs.

Adjusted EBITDA has limitations as an analytical tool, and you should not consider the measure in isolation or as a substitute for net income (loss), cash flow from operations or other methods of analyzing WillScot Mobile Mini’s results as reported under GAAP. Some of these limitations are:

•Adjusted EBITDA does not reflect changes in, or cash requirements for our working capital needs;

•Adjusted EBITDA does not reflect our interest expense, or the cash requirements necessary to service interest or principal payments, on our indebtedness;

•Adjusted EBITDA does not reflect our tax expense or the cash requirements to pay our taxes;

•Adjusted EBITDA does not reflect historical cash expenditures or future requirements for capital expenditures or contractual commitments;

•Adjusted EBITDA does not reflect the impact on earnings or changes resulting from matters that we consider not to be indicative of our future operations;

•Although depreciation and amortization are non-cash charges, the assets being depreciated and amortized will often have to be replaced in the future and Adjusted EBITDA does not reflect any cash requirements for such replacements; and

•Other companies in our industry may calculate Adjusted EBITDA differently, limiting its usefulness as a comparative measure.

Because of these limitations, Adjusted EBITDA should not be considered as discretionary cash available to reinvest in the growth of our business or as a measure of cash that will be available to meet our obligations.

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The following tables provide unaudited reconciliations of Income from continuing operations to Adjusted EBITDA:

	Three Months Ended March 31,
(in thousands)	2023		2022
Income from continuing operations	$	76,271	$	39,048
Income tax expense from continuing operations	30,510		12,083
Interest expense	44,866		30,570
Depreciation and amortization	76,329		72,910
Currency losses, net	6,775		137
Restructuring costs, lease impairment expense and other related charges	22		263
Transaction costs	—		13
Integration costs	3,873		4,087
Stock compensation expense	8,150		6,273
Other	46		2,389
Adjusted EBITDA from continuing operations	$	246,842	$	167,773

Adjusted EBITDA Margin

We define Adjusted EBITDA Margin as Adjusted EBITDA divided by revenue. Management believes that the presentation of Adjusted EBITDA Margin provides useful information to investors regarding the performance of our business. The following table provides unaudited reconciliations of Adjusted EBITDA Margin:

	Three Months Ended March 31,
(in thousands)	2023			2022
Adjusted EBITDA from continuing operations (A)	$	246,842		$	167,773
Revenue (B)	$	565,468		$	451,171
Adjusted EBITDA Margin from Continuing Operations (A/B)	43.7		%	37.2		%
Income from continuing operations (C)	$	76,271		$	39,048
Income from Continuing Operations Margin (C/B)	13.5		%	8.7		%

Net CAPEX

We define Net CAPEX as purchases of rental equipment and refurbishments and purchases of property, plant and equipment (collectively, "Total Capital Expenditures"), less proceeds from the sale of rental equipment and proceeds from the sale of property, plant and equipment (collectively, "Total Proceeds"), which are all included in cash flows from investing activities. Management believes that the presentation of Net CAPEX provides useful information regarding the net capital invested in our rental fleet and property, plant and equipment each year to assist in analyzing the performance of our business. As presented below, Net CAPEX includes amounts for the former Tank and Pump segment through September 30, 2022 and the former UK Storage Solutions segment through January 31, 2023.

The following tables provide unaudited reconciliations of Net CAPEX:

	Three Months Ended March 31,
(in thousands)	2023		2022
Total purchases of rental equipment and refurbishments	$	(47,128)	$	(95,236)
Total proceeds from sale of rental equipment	7,781		14,554
Net CAPEX for Rental Equipment	(39,347)		(80,682)
Purchase of property, plant and equipment	(6,736)		(10,481)
Proceeds from sale of property, plant and equipment	258		260
Net CAPEX	$	(45,825)	$	(90,903)

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Liquidity and Capital Resources

Overview

WillScot Mobile Mini is a holding company that derives its operating cash flow from its operating subsidiaries. Our principal sources of liquidity include cash generated by operating activities from our subsidiaries, borrowings under our ABL Facility, and sales of equity and debt securities. We believe that our liquidity sources and operating cash flows are sufficient to address our operating, debt service and capital requirements over the next twelve months.

We have consistently accessed the debt and equity capital markets both opportunistically and as necessary to support the growth of our business, desired leverage levels, and other capital allocation priorities. We believe we have ample liquidity in the ABL Facility and are generating substantial free cash flow, which together support both organic operations and other capital allocation priorities as they arise.

We continue to review available acquisition opportunities with the awareness that any such acquisition may require us to incur additional debt to finance the acquisition and/or to issue shares of our Common Stock or other equity securities as acquisition consideration or as part of an overall financing plan. In addition, we will continue to evaluate alternatives to optimize our capital structure, which could include the issuance or repurchase of additional unsecured and secured debt, equity securities and/or equity-linked securities. There can be no assurance as to the timing of any such issuance or repurchase. If we obtain additional capital by issuing equity, the interests of our existing stockholders will be diluted. If we incur additional indebtedness, that indebtedness may contain significant financial and other covenants that may significantly restrict our operations. Availability of financing and the associated terms are inherently dependent on the debt and equity capital markets and subject to change. From time to time, we may also seek to streamline our capital structure and improve our financial position through refinancing or restructuring our existing debt or retiring certain of our securities for cash or other consideration.

Our revolving credit facility provides an aggregate principal amount of up to $3.7 billion, consisting of: (i) a senior secured asset-based US dollar revolving credit facility in the aggregate principal amount of $3.3 billion (the “US Facility”) and (ii) a $400.0 million senior secured asset-based multicurrency revolving credit facility (the "Multicurrency Facility," and together with the US Facility, the “ABL Facility”). Borrowing availability under the ABL Facility is equal to the lesser of $3.7 billion and the applicable borrowing bases. The borrowing bases are a function of, among other things, the value of the assets in the relevant collateral pool, of which our rental equipment represents the largest component. At March 31, 2023, we had $1.1 billion of available borrowing capacity under the ABL Facility.

Cash Flow Comparison of the Three Months Ended March 31, 2023 and 2022

Significant factors driving our liquidity include cash flows generated from operating activities and capital expenditures. Our ability to fund our capital needs will be affected by our ongoing ability to generate cash from operations and access to capital markets.

The consolidated statements of cash flows include amounts for the former Tank and Pump segment through September 30, 2022 and the former UK Storage Solutions segment through January 31, 2023. See Note 3 to the financial statements for disclosure of significant operating and investing items related to the former Tank and Pump and former UK Storage Solutions segments.

The following summarizes our change in cash and cash equivalents for the periods presented:

	Three Months Ended March 31,
(in thousands)	2023		2022
Net cash provided by operating activities	$	148,765	$	145,527
Net cash provided by (used in) investing activities	271,949		(148,360)
Net cash (used in) provided by financing activities	(423,087)		1,586
Effect of exchange rate changes on cash and cash equivalents	517		(131)
Net change in cash and cash equivalents	$	(1,856)	$	(1,378)

Cash Flows from Operating Activities

Cash provided by operating activities for the three months ended March 31, 2023 was $148.8 million as compared to $145.5 million for the three months ended March 31, 2022, an increase of $3.2 million. The increase was due to an increase of $37.3 million of net income, adjusted for non-cash items, and a decrease of $34.1 million in the net movements of the operating assets and liabilities.

Cash Flows from Investing Activities

Cash provided by investing activities for the three months ended March 31, 2023 was $271.9 million as compared to cash used in investing activities of $148.4 million for the three months ended March 31, 2022, an increase of $420.3 million in cash provided by investing activities. The increase in cash provided by investing activities was driven by proceeds of $404.0

35

million from the sale of discontinued operations, a $48.1 million decrease in cash used for the purchase of rental equipment and refurbishments, and a $3.7 million decrease in cash used for the purchase of property, plant and equipment. The increase was partially offset by a $21.0 million increase in cash used in acquisitions, net of cash acquired, a cash payment of $7.7 million for the settlement of the contingent foreign currency forward contract, and a $6.8 million decrease in proceeds from the sale of rental equipment.

Cash Flows from Financing Activities

Cash used in financing activities for the three months ended March 31, 2023 was $423.1 million as compared to cash provided by financing activities of $1.6 million for the three months ended March 31, 2022, a change of $424.7 million. The change was primarily due to a $499.3 million increase in repayments of borrowings and a $137.4 million increase in the repurchase of common stock offset by a $211.3 million increase in receipts from borrowings.

Free Cash Flow

Free Cash Flow is a non-GAAP measure. We define Free Cash Flow as net cash provided by operating activities, less purchases of, and proceeds from, rental equipment and property, plant and equipment, which are all included in cash flows from investing activities. Management believes that the presentation of Free Cash Flow provides useful additional information concerning cash flow available to fund our capital allocation alternatives. The following table provides a reconciliation of net cash provided by operating activities to Free Cash Flow.

	Three Months Ended March 31,
(in thousands)	2023		2022
Net cash provided by operating activities	$	148,765	$	145,527
Purchase of rental equipment and refurbishments	(47,128)		(95,236)
Proceeds from sale of rental equipment	7,781		14,554
Purchase of property, plant and equipment	(6,736)		(10,481)
Proceeds from the sale of property, plant and equipment	258		260
Free Cash Flow	$	102,940	$	54,624

Free Cash Flow for the three months ended March 31, 2023 was $102.9 million as compared to $54.6 million for the three months ended March 31, 2022, an increase of $48.3 million. Free Cash Flow increased year over year principally as a result of the $3.2 million increase in cash provided by operating activities and the $48.1 million decrease in cash used in the purchase of rental equipment and refurbishments, partially offset by the $6.8 million decrease in proceeds from the sale of rental equipment. The $148.8 million in cash provided by operating activities for the three months ended March 31, 2023 was returned to shareholders through repurchases and cancellations of $215.1 million of stock and reinvested into the business to support the purchase of rental equipment, including VAPS, and refurbishments.

Material cash requirements

The Company’s material cash requirements include the following contractual and other obligations:

Debt

The Company has outstanding debt related to its ABL Facility, 2025 Secured Notes, 2028 Secured Notes and finance leases, including interest, totaling $2.9 billion as of March 31, 2023, $13.5 million of which is obligated to be repaid within the next twelve months. Refer to Note 9 for further information regarding outstanding debt.

Operating leases

The Company has commitments for future minimum rental payments relating to operating leases, which are primarily for equipment and office space. As of March 31, 2023, the Company had lease obligations of $260.0 million, with $60.0 million payable within the next twelve months.

In addition to the cash requirements described above, the Company has a share repurchase program authorized by the Board of Directors, which allows the Company to repurchase up to $1.0 billion of outstanding shares of Common Stock and equivalents. This program does not obligate the Company to repurchase any specific amount of shares. As of March 31, 2023, $415.1 million of the approved share repurchase pool remained available.

The Company believes its cash, cash flows generated from ongoing operations, and continued access to its revolving credit facility as well as access to debt markets are sufficient to satisfy its currently anticipated cash requirements over the next twelve months.

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Critical Accounting Policies and Estimates

Our discussion and analysis of our financial condition, results of operations, liquidity and capital resources is based on our condensed consolidated financial statements, which have been prepared in accordance with GAAP. GAAP requires that we make estimates and judgments that affect the reported amount of assets, liabilities, revenue, expenses and the related disclosure of contingent assets and liabilities. We base these estimates on historical experience and on various other assumptions that we consider reasonable under the circumstances and reevaluate our estimates and judgments as appropriate. The actual results experienced by us may differ materially and adversely from our estimates. For a complete discussion of our significant critical accounting policies, see the “Critical Accounting Policies and Estimates” section in Part II, Item 7 of our Annual Report on Form 10-K for the year ended December 31, 2022 (the "2022 Annual Report on Form 10-K").

There were no significant changes to our critical accounting policies during the three months ended March 31, 2023.

Recently Issued Accounting Standards

Refer to Part I, Item 1, Note 1 of the notes to our financial statements included in this Quarterly Report on Form 10-Q for our assessment of recently issued and adopted accounting standards.

Cautionary Note Regarding Forward-Looking Statements

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of the US Private Securities Litigation Reform Act of 1995 and Section 21E of the Securities Act of 1934, as amended. The words “estimates,” “expects,” “anticipates,” “believes,” “forecasts,” “plans,” “intends,” “may,” “will,” “should,” “shall,” “outlook,” “guidance” and variations of these words and similar expressions identify forward-looking statements, which are generally not historical in nature and relate to expectations for future financial performance or business strategies or objectives. Forward-looking statements are subject to a number of risks, uncertainties, assumptions and other important factors, many of which are outside our control, which could cause actual results or outcomes to differ materially from those discussed in the forward-looking statements. Although WillScot Mobile Mini believes that these forward-looking statements are based on reasonable assumptions, it can give no assurance that any such forward-looking statement will materialize. Important factors that may affect actual results or outcomes include, among others:

•various laws and regulations and recent pronouncements related to laws and regulations governing antitrust, climate related disclosures, cybersecurity, privacy, government contracts, anti-corruption and the environment;

•our ability to successfully acquire and integrate new operations;

•the effect of global or local economic conditions in the industries and markets in which the Company operates and any changes therein, including financial market conditions and levels of end market demand;

•risks associated with cybersecurity and IT systems disruptions, including our ability to manage the business in the event a disaster shuts down our management information systems;

•trade policies and changes in trade policies, including the imposition of tariffs, their enforcement and downstream consequences;

•our ability to effectively compete in the modular space and portable storage industries;

•our ability to effectively manage our credit risk, collect on our accounts receivable, or recover our rental equipment;

•fluctuations in interest rates and commodity prices;

•risks associated with labor relations, labor costs and labor disruptions;

•changes in the competitive environment of our customer base as a result of the global, national or local economic climate in which they operate and/or economic or financial disruptions to their industry;

•our ability to adequately protect our intellectual property and other proprietary rights that are material to our business;

•natural disasters and other business disruptions such as pandemics, fires, floods, hurricanes, earthquakes and terrorism;

•our ability to establish and maintain the appropriate physical presence in our markets;

•property, casualty or other losses not covered by our insurance;

•our ability to close our unit sales transactions;

•our ability to maintain an effective system of internal controls and accurately report our financial results;

•evolving public disclosure, financial reporting and corporate governance expectations;

•our ability to achieve our environmental, social and governance goals;

•operational, economic, political and regulatory risks;

•effective management of our rental equipment;

•the effect of changes in state building codes on our ability to remarket our buildings;

•foreign currency exchange rate exposure;

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•significant increases in the costs and restrictions on the availability of raw materials and labor;

•fluctuations in fuel costs or a reduction in fuel supplies;

•our reliance on third party manufacturers and suppliers;

•impairment of our goodwill, intangible assets and indefinite-life intangible assets;

•our ability to use our net operating loss carryforwards and other tax attributes;

•our ability to recognize deferred tax assets such as those related to our tax loss carryforwards and, as a result, utilize future tax savings;

•unanticipated changes in tax obligations, adoption of a new tax legislation, or exposure to additional income tax liabilities;

•our ability to access the capital and credit markets or the ability of key counterparties to perform their obligations to us;

•our ability to service our debt and operate our business;

•our ability to incur significant additional amounts of debt, which could further exacerbate the risks associated with our substantial indebtedness;

•covenants that limit our operating and financial flexibility;

•our stock price volatility; and

•such other risks and uncertainties described in the periodic reports we file with the SEC from time to time (including our 2022 Annual Report on Form 10-K), which are available through the SEC’s EDGAR system at www.sec.gov and on our website.

Any forward-looking statement speaks only at the date which it is made, and WillScot Mobile Mini undertakes no obligation, and disclaims any obligation, to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.

ITEM 3.    Quantitative and Qualitative Disclosures about Market Risk

We are exposed to certain market risks from changes in foreign currency exchange rates and interest rates. Changes in these factors cause fluctuations in our earnings and cash flows. We evaluate and manage exposure to these market risks as follows:

Interest Rate Risk

We are primarily exposed to interest rate risk through our ABL Facility, which bears interest at variable rates. We had $1.8 billion in outstanding principal under the ABL Facility at March 31, 2023.

To manage interest rate risk, in January 2023, we executed interest rate swap agreements relating to an aggregate of $750.0 million in notional amount of variable-rate debt under our ABL Facility. The swap agreements provide for us to pay a weighted average effective fixed interest rate of 3.44% per annum and receive a variable interest rate equal to one-month term SOFR, with maturity dates of June 30, 2027. The swap agreements were designated and qualified as hedges of the Company's exposure to changes in interest payment cash flows created by fluctuations in variable interest rates on our ABL Facility.

An increase in interest rates by 100 basis points on our ABL Facility, inclusive of the impact of our interest rate swaps, would increase our quarter to date interest expense by approximately $10.8 million based on current outstanding borrowings.

Foreign Currency Risk

We currently generate approximately 94% of our consolidated net revenues in the US, and the reporting currency for our consolidated financial statements is the US dollar. However, we are exposed to currency risk through our operations in Canada and Mexico. For the operations outside the US, we bill customers primarily in their local currency, which is subject to foreign currency rate changes. As our net revenues and expenses generated outside of the US increase, our results of operations could be adversely impacted by changes in foreign currency exchange rates. Since we recognize foreign revenues in local foreign currencies, if the US dollar strengthens, it could have a negative impact on our foreign revenues upon translation of those results into the US dollar for consolidation into our financial statements.

In addition, we are exposed to gains and losses resulting from fluctuations in foreign currency exchange rates on transactions generated by our foreign subsidiaries in currencies other than their local currencies. These gains and losses are primarily driven by intercompany transactions and rental equipment purchases denominated in currencies other than the functional currency of the purchasing entity. These exposures are included in currency (gains) losses, net, on the consolidated statements of operations. To date, we have not entered into any hedging arrangements with respect to foreign currency risk.

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ITEM 4.    Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Our management, with participation of our Chief Executive Officer and Chief Financial Officer, has evaluated the effectiveness of our disclosure controls and procedures as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934 as amended (the "Exchange Act"), as of March 31, 2023. Based upon that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of March 31, 2023.

Changes in Internal Controls

There were no changes in our internal control over financial reporting that occurred during our quarter ended March 31, 2023 that materially affected or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II

ITEM 1.    Legal Proceedings

The Company is involved in various lawsuits, claims and legal proceedings that arise in the ordinary course of business. The Company assesses these matters on a case-by-case basis as they arise and establishes reserves as required. As of March 31, 2023, with respect to these outstanding matters, the Company believes that the amount or range of reasonably possible loss will not, either individually or in the aggregate, have a material adverse effect on the consolidated financial position, results of operations, or cash flows of the Company. However, the outcome of such matters is inherently unpredictable and subject to significant uncertainties.

ITEM 1A.    Risk Factors

The Company’s financial position, results of operations and cash flows are subject to various risks, many of which are not exclusively within the Company’s control, which may cause actual performance to differ materially from historical or projected future performance. In addition to the other information set forth in this report, you should carefully consider the risk factors discussed in Item 1A. of our 2022 Annual Report on Form 10-K, which have not materially changed.

ITEM 2.    Unregistered Sales of Equity Securities

The following table summarizes our purchase of Common Stock during the first quarter of 2023. No stock equivalents were purchased by the Company during the first quarter of 2023.

Period	Total Number of Shares and Equivalents Purchased (in thousands)	Average Price Paid per Share		Total Number of Shares and Equivalents Purchased as part of Publicly Announced Plan (in thousands)	Maximum Dollar Value of Shares and Equivalents that May Yet Be Purchased Under the Plans (in millions)
January 1, 2023 to January 31, 2023	1,595.0	$	45.78	1,595.0	$	557.8
February 1, 2023 to February 28, 2023	893.5	$	49.76	893.5	$	513.3
March 1, 2023 to March 31, 2023	2,100.8	$	46.73	2,100.8	$	415.1
Total	4,589.3	$	46.99	4,589.3

A share repurchase program authorizes the Company to repurchase its outstanding shares of Common Stock and equivalents. As of March 31, 2023, $415.1 million of the $1.0 billion share repurchase authorization remained available for use.

ITEM 3.    Defaults Upon Senior Securities

None.

ITEM 4.    Mine Safety Disclosures

Not applicable.

ITEM 5.    Other Information

None.

40

ITEM 6.    Exhibits

Exhibit No.	Exhibit Description
3.1*	Amended and Restated Certificate of Incorporation of WillScot Mobile Mini Holdings Corp., Amended as of June 3, 2022
31.1*	Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2*	Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1**	Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2**	Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS	XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	XBRL Taxonomy Extension Label Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document
104*	Inline XBRL for the cover page of this Quarterly Report on Form 10-Q, included in the Exhibit 101 Inline XBRL Document Set.

* Filed herewith

** Furnished (and not filed) herewith pursuant to Item 601(b)(32)(ii) of Regulation S-K under the Exchange Act

41

Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		WillScot Mobile Mini Holdings Corp.
		By:	/s/ TIMOTHY D. BOSWELL
Dated:	April 27, 2023		Timothy D. Boswell
			President & Chief Financial Officer (Principal Financial Officer and Duly Authorized Signing Officer)

42

EX-3.1

Exhibit 3.1

Composite

AMENDED AND RESTATED CERTIFICATE OF INCORPORATION

OF

WILLSCOT MOBILE MINI HOLDINGS CORP., as amended

ARTICLE I

Name

The name of the corporation is WillScot Mobile Mini Holdings Corp. (the “Corporation”).

ARTICLE II

Registered Agent; Registered Office

The address of the Corporation’s registered office in the State of Delaware is Corporation Trust Center, 1209 Orange Street, City of Wilmington, County of New Castle, Delaware 19801. The name of the Corporation’s registered agent at such address is The Corporation Trust Company.

ARTICLE III

Purposes

The purpose of the Corporation is to engage in any lawful act or activity for which corporations may be organized under the General Corporation Law of the State of Delaware (the “DGCL”).

ARTICLE IV

[Reserved]

ARTICLE V

Capital Stock

1.Authorized Shares.

(a)The total number of shares of all classes of stock that the Corporation is authorized to issue is 501,000,000 shares of stock, consisting of (i) 1,000,000 shares of Preferred Stock, par value $0.0001 per share (“Preferred Stock”) and (ii) 500,000,000 shares of common stock, par value $0.0001 per share (“Common Stock”).

(b)Immediately upon the effectiveness (the “Effective Time”) of this Amended and Restated Certificate of Incorporation (as amended from time to time, the “Certificate of Incorporation”), each share of Class A Common Stock, par value $0.0001 per share (the “Class A Common Stock”) issued and outstanding or held as treasury stock immediately prior to the Effective Time shall, automatically and without the need for any further action, be reclassified as, and shall be converted into, one validly issued, fully paid and nonassessable share of Common Stock. Any stock certificate that immediately prior to the Effective Time represented shares of Class A Common Stock shall from and after the Effective Time be deemed to represent shares of Common Stock into which the shares formerly represented by such certificate have been reclassified and converted, without the need for surrender or exchange thereof.

1

2.Preferred Stock. Preferred Stock may be issued from time to time in one or more series pursuant to a resolution or resolutions providing for such issue duly adopted by the Board of Directors of the Corporation (the “Board”) and the filing of a certificate pursuant to the applicable law of the State of Delaware (a “Preferred Designation”), authority to do so being hereby expressly vested in the Board. The Board is further authorized, subject to limitations prescribed by law, to fix by resolution or resolutions the designations, powers, preferences and rights, and the qualifications, limitations or restrictions thereof, of any wholly unissued series of Preferred Stock, including without limitation authority to fix by resolution or resolutions the dividend rights, dividend rate, conversion rights, voting rights, rights and terms of redemption (including sinking fund provisions), redemption price or prices, and liquidation preferences of any such series, and the number of shares constituting any such series and the designation thereof, or any of the foregoing. The powers, preferences and relative, participating, optional and other special rights of each series of Preferred Stock, and the qualifications, limitations or restrictions thereof, if any, may differ from those of any and all other series at any time outstanding. The number of authorized shares of Preferred Stock may be increased or decreased (but not below the number of shares thereof then outstanding) by the affirmative vote of the holders of a majority of the voting power of all of the then-outstanding shares of capital stock of the Corporation entitled to vote thereon, irrespective of the provisions of Section 242(b)(2) of the DGCL, subject to obtaining a vote of the holders of any series of Preferred Stock, if such a vote is required pursuant to the terms of the Certificate of Incorporation (including any Preferred Designation).

3.Common Stock.

(a)Except as otherwise required by law or the Certificate of Incorporation (including any Preferred Designation), the holders of the Common Stock shall possess all voting power with respect to the Corporation. The holders of shares of Common Stock shall be entitled to one vote for each such share on each matter properly submitted to the stockholders on which the holders of the Common Stock are entitled to vote; provided, however, that, except as otherwise required by law, holders of Common Stock shall not be entitled to vote on any amendment to the Certificate of Incorporation (including any Preferred Designation) that relates solely to the terms of one or more outstanding series of Preferred Stock if the holders of such affected series are entitled, either separately or together as a class with the holders of one or more other such series, to vote thereon pursuant to the Certificate of Incorporation (including any Preferred Designation) or pursuant to the Section 242(b)(2) of the DGCL (or any other similar, successor provision thereof).

(b)Except as otherwise required by law or the Certificate of Incorporation (including any Preferred Designation), at any annual or special meeting of the stockholders of the Corporation, the holders of the Common Stock shall have the exclusive right to vote for the election of directors and on all other matters properly submitted to a vote of the stockholders.

(c)Subject to the rights of the holders of any series of Preferred Stock, any action required or permitted to be taken by the stockholders of the Corporation must be effected at a duly called annual or special meeting of stockholders of the Corporation and may not be effected by any consent in writing by such stockholders.

(d)Subject to the rights of the holders of any series of Preferred Stock, special meetings of the stockholders of the Corporation may be called only by the Board, the Chairman of the Board or the Chief Executive Officer of the Corporation.

ARTICLE VI

Bylaws

In furtherance and not in limitation of the powers conferred by statute, the Board shall have the power to adopt, amend, repeal or otherwise alter the bylaws of the Corporation (the “Bylaws”) without any action on the part of the stockholders. The Bylaws may also be amended, supplemented or repealed by the stockholders at an annual or special meeting of the stockholders, the notice for which designates that an amendment, supplement or repeal of one or more of such sections is to be considered, and only by an affirmative vote of the holders of a majority in voting power of the outstanding shares of stock entitled to vote upon such amendment, supplement or repeal, voting as a single class.

2

ARTICLE VII

Directors

1.Board of Directors. The business and affairs of the Corporation shall be managed by or under the direction of the Board. In addition to the powers and authority expressly conferred upon them by statute or by the Certificate of Incorporation or the Bylaws, the directors are hereby empowered to exercise all such powers and do all such acts and things as may be exercised or done by the Corporation.

2.Number; Term; Election; Qualification. The number of directors that constitutes the Board shall be fixed from time to time by resolution of the Board in accordance with the Bylaws, and shall consist of not less than three or more than thirteen directors. Each director shall be elected at each annual meeting of stockholders and shall hold office until the following annual meeting of stockholders. The term of each director serving as of and immediately following the date of the 2021 annual meeting of stockholders shall expire at the 2022 annual meeting of stockholders, notwithstanding that such director may have been elected for a term that extended beyond the date of the 2022 annual meeting of stockholders. Each director shall serve until his or her successor is duly elected and qualified or until his or her death, resignation, or removal. If the number of directors is hereafter changed, no decrease in the number of directors constituting the Board shall shorten the term of any incumbent director.

3.Vacancies. Subject to the rights of the holders of any series of Preferred Stock, (x) any vacancies on the Board resulting from death, resignation, disqualification, removal or other causes shall be filled by the affirmative vote of a majority of the remaining directors then in office, even though less than a quorum of the Board and not by the stockholders and (y) newly created directorships resulting from any increase in the number of directors shall be filled by the affirmative vote of the directors then in office, even though less than a quorum of the Board and not by the stockholders. Any director elected in accordance with this Article VII shall hold office (i) in the event of a new directorship created or vacancy occurring prior to the 2024 annual meeting of stockholders, for the remainder of the full term of the class of directors in which the new directorship was created or the vacancy occurred and (ii) in the event of a new directorship created or vacancy occurring after the 2024 annual meeting of stockholders, until the next annual meeting of stockholders and, in each case, until such director’s successor shall have been elected and qualified.

4.Written Ballot. Unless and except to the extent that the Bylaws shall so require, the election of directors of the Corporation need not be by written ballot.

ARTICLE VIII

Limitation of Liability and Indemnification

1.Limitation of Liability. To the fullest extent permitted by the DGCL as it presently exists or may hereafter be amended, a director of the Corporation shall not be personally liable to the Corporation or to its stockholders for monetary damages for any breach of fiduciary duty as a director. No amendment to, modification of, or repeal of this Article VIII, Section 1 shall apply to or have any effect on the liability or alleged liability of any director of the Corporation for or with respect to any acts or omissions of such director occurring prior to such amendment.

2.Indemnification. The Corporation shall, in accordance with this Certificate of Incorporation and the Bylaws, indemnify, advance expenses, and hold harmless, to the fullest extent permitted by applicable law as it presently exists or may hereafter be amended (but in the case of any such amendment, only to the extent that such amendment permits the Corporation), any person (a “Covered Person”) who was or is made or is threatened to be made a party or is otherwise involved in any action, suit or proceeding, whether civil, criminal, administrative or investigative (a “Proceeding”), by reason of the fact that he or she, or a person for whom he or she is the legal representative, is or was a director or officer of the Corporation or, while a director or officer of the Corporation, is or was serving at the request of the Corporation as a director, officer, employee or agent of another corporation or of a partnership, joint venture, trust, enterprise or nonprofit entity, including service with respect to employee benefit plans, against all liability and loss suffered and expenses (including attorneys' fees) reasonably incurred by such Covered Person. Notwithstanding the preceding sentence, except for claims for indemnification (following the final disposition of such Proceeding) or advancement of expenses not paid in full, the Corporation shall be required to indemnify a Covered Person in

3

connection with a Proceeding (or part thereof) commenced by such Covered Person only if the commencement of such Proceeding (or part thereof) by the Covered Person was authorized in the specific case by the Board. Any amendment, repeal or modification of this Section 2 shall not adversely affect any right or protection hereunder of any person in respect of any act or omission occurring prior to the time of such repeal or modification.

3.Insurance. The Corporation may maintain insurance, at its expense, to protect itself and any director, officer, employee or agent of the Corporation or another corporation, partnership, joint venture, trust or other enterprise against any such expense, liability or loss, whether or not the Corporation would have the power to indemnify such person against such expense, liability or loss under the DGCL.

ARTICLE IX

Exclusive Jurisdiction for Certain Actions

1.Exclusive Forum. Unless the Board or one of its duly authorized committees otherwise approves in writing, the selection of an alternate forum, the Court of Chancery of the State of Delaware (or, if the Court of Chancery of the State of Delaware does not have jurisdiction, the Superior Court of the State of Delaware, or, if the Superior Court of the State of Delaware also does not have jurisdiction, the United States District Court for the District of Delaware) shall, to the fullest extent permitted by applicable law, be the sole and exclusive forum for (i) any derivative action or proceeding brought on behalf of the Corporation, (ii) any action asserting a claim of breach of a fiduciary duty owed by any director, officer or other employee to the Corporation or the Corporation’s stockholders, (iii) any action asserting a claim against the Corporation arising pursuant to any provision of the DGCL or the Certificate of Incorporation or the Bylaws, (iv) any action to interpret, apply, enforce or determine the validity of the Certificate of Incorporation or the Bylaws or (v) any action asserting a claim against the Corporation governed by the internal affairs doctrine (each, a “Covered Proceeding”).

2.Personal Jurisdiction. If any action the subject matter of which is a Covered Proceeding is filed in a court other than the Court of Chancery of the State of Delaware, or, where permitted in accordance with Section 1 above, the Superior Court of the State of Delaware or the United States District Court for the District of Delaware, (each, a “Foreign Action”) in the name of any person or entity (a “Claiming Party”) without the prior written approval of the Board or one of its duly authorized committees, such Claiming Party shall, to the fullest extent permitted by law, be deemed to have consented to (i) the personal jurisdiction of the Court of Chancery of the State of Delaware, or, where applicable, the Superior Court of the State of Delaware and the United States District Court for the District of Delaware, in connection with any action brought in any such courts to enforce Section 1 above (an “Enforcement Action”) and (ii) having service of process made upon such Claiming Party in any such Enforcement Action by service upon such Claiming Party’s counsel in the Foreign Action as agent for such Claiming Party.

3.Notice and Consent. Any person or entity purchasing or otherwise acquiring or holding any interest in the shares of capital stock of the Corporation shall be deemed to have notice of and consented to the provisions of this Article IX and waived any argument relating to the inconvenience of the forums reference above in connection with any Covered Proceeding.

ARTICLE X

Severability

If any provision or provisions of the Certificate of Incorporation shall be held to be invalid, illegal or unenforceable as applied to any circumstance for any reason whatsoever: (i) the validity, legality and enforceability of such provisions in any other circumstance and of the remaining provisions of the Certificate of Incorporation (including, without limitation, each portion of any section of the Certificate of Incorporation containing any such provision held to be invalid, illegal or unenforceable that is not itself held to be invalid, illegal or unenforceable) shall not in any way be affected or impaired thereby and (ii) to the fullest extent possible, the provisions of the Certificate of Incorporation (including, without limitation, each such portion of any section of the Certificate of Incorporation containing any such provision held to be invalid, illegal or unenforceable) shall be construed so as to permit the Corporation to protect its

4

directors, officers, employees and agents from personal liability in respect of their good faith service to or for the benefit of the Corporation to the fullest extent permitted by law.

ARTICLE XI

Corporate Opportunity

The Corporation hereby renounces pursuant to Section 122(17) of the DGCL any interest or expectancy in, or being offered an opportunity to participate in, any business opportunity or classes or categories of business opportunities that are presented to any of the Corporation’s non-employee directors or any of their affiliates (together, an “Identified Person”) which may be a corporate opportunity for such Identified Person and the Corporation or any of its affiliates. In the event that any Identified Person acquires knowledge of a potential transaction or other business opportunity which may be a corporate opportunity for itself, herself or himself and the Corporation or any of its affiliates, such Identified Person shall, to the fullest extent permitted by the DGCL, have no duty to communicate or offer such transaction or other business opportunity to the Corporation or any of its affiliates and, to the fullest extent permitted by the DGCL, shall not be liable to the Company, its affiliates or its stockholders for breach of any fiduciary duty as a stockholder or director of the Company solely by reason of the fact that such Identified Person pursues or acquires such corporate opportunity for itself, herself or himself, or offers or directs such corporate opportunity to another Person or does not present such corporate opportunity to the Corporation or its affiliates. Notwithstanding the foregoing, the Corporation does not renounce its interest or expectancy in any corporate opportunity offered to any Identified Person if such opportunity is expressly offered to such Identified Person solely in his or her capacity as a director of the Corporation, and the foregoing provisions of this Article XI shall not apply to any such corporate opportunity. Notwithstanding anything to contrary herein, the provisions of this Article XI shall have no further force or effect from and after the earlier of such time as (i) TDR Capital LLP (“TDR”) ceases to beneficially own at least 5% of the outstanding shares of Common Stock and (ii) TDR is not entitled to designate one or more members of the Board in accordance with the Shareholders Agreement, by and among the Corporation, TDR and the other parties thereto (as amended from time to time).

ARTICLE XII

Amendment

Except as expressly provided herein, the Corporation reserves the right to amend, alter, change or repeal any provision contained in the Certificate of Incorporation, in the manner now or hereafter prescribed by the laws of the State of Delaware, and all rights conferred upon stockholders herein are granted subject to this reservation.

* * * * *

5

EX-31.1

Exhibit 31.1

Certification of Chief Executive Officer

Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Bradley L. Soultz, certify that:

1. I have reviewed this quarterly report on Form 10-Q of WillScot Mobile Mini Corp.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: April 27, 2023

/s/ BRADLEY L. SOULTZ

Bradley L. Soultz

Chief Executive Officer and Director
(Principal Executive Officer)

EX-31.2

Exhibit 31.2

Certification of Chief Financial Officer

Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Timothy D. Boswell, certify that:

1. I have reviewed this quarterly report on Form 10-Q of WillScot Mobile Mini Corp.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: April 27, 2023

/s/ TIMOTHY D. BOSWELL

Timothy D. Boswell

President and Chief Financial Officer
(Principal Financial Officer)

EX-32.1

Exhibit 32.1

Certification of Chief Executive Officer

Pursuant to 18 U.S.C. Section 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of WillScot Mobile Mini Corp. (the “Company”) hereby certifies, to such officer's knowledge, that:

(i) the quarterly report on Form 10-Q of the Company for the period ended March 31, 2023 (the “Report”) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

(ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. 

Date: April 27, 2023

/s/ BRADLEY L. SOULTZ

Bradley L. Soultz

Chief Executive Officer and Director (Principal Executive Officer)

EX-32.2

Exhibit 32.2

Certification of Chief Financial Officer

Pursuant to 18 U.S.C. Section 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned officer of WillScot Mobile Mini Corp. (the “Company”) hereby certifies, to such officer's knowledge, that:

(i) the quarterly report on Form 10-Q of the Company for the period ended March 31, 2023 (the “Report”) fully complies with the requirements of Section 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934, as amended; and

(ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. 

Date: April 27, 2023

/s/ TIMOTHY D. BOSWELL

Timothy D. Boswell

President and Chief Financial Officer (Principal Financial Officer)

XML

Cover Page - shares	3 Months Ended
	Mar. 31, 2023	Apr. 24, 2023
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 31, 2023
Document Transition Report	false
Entity File Number	001-37552
Entity Registrant Name	WILLSCOT MOBILE MINI HOLDINGS CORP.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	82-3430194
Entity Address, Address Line One	4646 E Van Buren St.
Entity Address, Address Line Two	Suite 400
Entity Address, City or Town	Phoenix
Entity Address, State or Province	AZ
Entity Address, Postal Zip Code	85008
City Area Code	480
Local Phone Number	894-6311
Title of 12(b) Security	Common Stock, par value $0.0001 per share
Trading Symbol	WSC
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		202,317,982
Amendment Flag	false
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Entity Central Index Key	0001647088
Current Fiscal Year End Date	--12-31

XML

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets
Cash and cash equivalents	$ 15,918	$ 7,390
Trade receivables, net of allowances for credit losses at March 31, 2023 and December 31, 2022 of $61,402 and $57,048, respectively	415,344	409,766
Inventories	42,007	41,030
Prepaid expenses and other current assets	42,684	31,635
Assets held for sale - current	8,924	31,220
Total current assets	524,877	521,041
Rental equipment, net	3,128,061	3,077,287
Property, plant and equipment, net	305,608	304,659
Operating lease assets	219,926	219,405
Goodwill	1,011,513	1,011,429
Intangible assets, net	413,188	419,125
Other non-current assets	6,578	6,683
Assets held for sale - non-current	0	268,022
Total long-term assets	5,084,874	5,306,610
Total assets	5,609,751	5,827,651
Liabilities and equity
Accounts payable	92,057	108,071
Accrued expenses	120,838	110,820
Accrued employee benefits	28,803	56,340
Deferred revenue and customer deposits	199,274	203,793
Operating lease liabilities - current	51,076	50,499
Current portion of long-term debt	13,514	13,324
Liabilities held for sale - current	0	19,095
Total current liabilities	505,562	561,942
Long-term debt	2,876,453	3,063,042
Deferred tax liabilities	464,798	401,453
Operating lease liabilities - non-current	169,914	169,618
Other non-current liabilities	29,100	18,537
Liabilities held for sale - non-current	0	47,759
Long-term liabilities	3,540,265	3,700,409
Total liabilities	4,045,827	4,262,351
Preferred Stock: $0.0001 par, 1,000,000 shares authorized and zero shares issued and outstanding at March 31, 2023 and December 31, 2022	0	0
Common Stock: $0.0001 par, 500,000,000 shares authorized and 203,723,099 and 207,951,682 shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively	21	21
Additional paid-in-capital	2,667,424	2,886,951
Accumulated other comprehensive loss	(62,855)	(70,122)
Accumulated deficit	(1,040,666)	(1,251,550)
Total shareholders' equity	1,563,924	1,565,300
Total liabilities and shareholders' equity	$ 5,609,751	$ 5,827,651

XML

Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 61,402	$ 57,048
Preferred stock par value (in USD per share)	$ 0.0001	$ 0.0001
Preferred stock authorized (in shares)	1,000,000	1,000,000
Preferred stock issued (in shares)	0	0
Preferred stock outstanding (in shares)	0	0
Common stock par value (in USD per share)	$ 0.0001	$ 0.0001
Common stock authorized (in shares)	500,000,000	500,000,000
Common stock issued (in shares)	203,723,099	207,951,682
Common stock outstanding (in shares)	203,723,099	207,951,682

XML

Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues:
Total revenues	$ 565,468	$ 451,171
Costs:
Depreciation of rental equipment	59,156	57,548
Gross profit	323,128	234,061
Expenses:
Selling, general and administrative	150,892	138,144
Other depreciation and amortization	17,173	15,362
Currency losses, net	6,775	137
Other income, net	(3,359)	(1,283)
Operating income	151,647	81,701
Interest expense	44,866	30,570
Income from continuing operations before income tax	106,781	51,131
Income tax expense from continuing operations	30,510	12,083
Income from continuing operations	76,271	39,048
Discontinued operations:
Income from discontinued operations before income tax	4,003	15,787
Gain on sale of discontinued operations	176,078	0
Income tax expense from discontinued operations	45,468	3,664
Income from discontinued operations	134,613	12,123
Net income	$ 210,884	$ 51,171
Earnings per share from continuing operations attributable to WillScot Mobile Mini common shareholders:
Basic (in USD per share)	$ 0.37	$ 0.17
Diluted (in USD per share)	0.36	0.17
Earnings per share from discontinued operations attributable to WillScot Mobile Mini common shareholders:
Basic (in USD per share)	0.65	0.06
Diluted (in USD per share)	0.64	0.05
Earnings per share attributable to WillScot Mobile Mini common shareholders:
Basic (in USD per share)	1.02	0.23
Diluted (in USD per share)	$ 1.00	$ 0.22
Weighted average shares:
Basic (in shares)	206,092,169	223,490,912
Diluted (in shares)	209,663,985	228,955,504
Total Leasing And Product And Service Revenues/Costs
Revenues:
Total revenues	$ 565,468	$ 451,171
Leasing Revenue
Revenues:
Leasing	439,951	351,559
Costs:
Leasing	97,515	80,334
Delivery and installation revenue
Revenues:
Revenues	106,630	85,539
Total revenues	106,630	85,539
Costs:
Cost of sales	75,007	70,580
New units
Revenues:
Revenues	10,657	5,787
Total revenues	10,657	5,787
Costs:
Cost of sales	6,208	3,756
Rental units
Revenues:
Revenues	8,230	8,286
Total revenues	8,230	8,286
Costs:
Cost of sales	$ 4,454	$ 4,892

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Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 210,884	$ 51,171
Other comprehensive income (loss):
Foreign currency translation adjustment, net of income tax expense of $0 for each of the three months ended March 31, 2023 and 2022	7,934	(4,074)
Net (loss) gain on derivatives, net of income tax (benefit) expense of $(222) and $777 for the three months ended March 31, 2023 and 2022, respectively	(667)	2,321
Total other comprehensive income (loss)	7,267	(1,753)
Total comprehensive income	$ 218,151	$ 49,418

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Condensed Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Foreign currency translation adjustment, income tax expense	$ 0
Net gain (loss) on derivatives, net of income tax expense (benefit)	$ (222)	$ 777

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Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in-Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2021		223,940,000
Beginning balance at Dec. 31, 2021	$ 1,996,763	$ 22	$ 3,616,902	$ (29,071)	$ (1,591,090)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	51,171				51,171
Other comprehensive income (loss)	(1,753)			(1,753)
Withholding taxes on net share settlement of stock-based compensation	(12,295)		(12,295)
Stock-based compensation and issuance of Common Stock from vesting (in shares)		498,000
Stock-based compensation and issuance of Common Stock from vesting	6,395		6,395
Repurchase and cancellation of Common Stock (in shares)		(2,064,000)
Repurchase and cancellation of Common Stock	(77,409)		(77,409)
Issuance of Common Stock from the exercise of options and warrants (in shares)		800,000
Issuance of common stock from the exercise of options and warrants	3,313		3,313
Ending balance (in shares) at Mar. 31, 2022		223,174,000
Ending balance at Mar. 31, 2022	$ 1,966,185	$ 22	3,536,906	(30,824)	(1,539,919)
Beginning balance (in shares) at Dec. 31, 2022	207,951,682	207,952,000
Beginning balance at Dec. 31, 2022	$ 1,565,300	$ 21	2,886,951	(70,122)	(1,251,550)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	210,884				210,884
Other comprehensive income (loss)	7,267			7,267
Withholding taxes on net share settlement of stock-based compensation	(10,058)		(10,058)
Stock-based compensation and issuance of Common Stock from vesting (in shares)		355,000
Stock-based compensation and issuance of Common Stock from vesting	8,150		8,150
Repurchase and cancellation of Common Stock (in shares)		(4,589,000)
Repurchase and cancellation of Common Stock	(217,687)		(217,687)
Issuance of Common Stock from the exercise of options (in shares)		6,000
Issuance of Common Stock from the exercise of options	$ 68		68
Issuance of Common Stock from the exercise of options and warrants (in shares)	360,725
Ending balance (in shares) at Mar. 31, 2023	203,723,099	203,723,000
Ending balance at Mar. 31, 2023	$ 1,563,924	$ 21	$ 2,667,424	$ (62,855)	$ (1,040,666)

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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities:
Net income	$ 210,884	$ 51,171
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	76,329	81,820
Provision for credit losses	8,803	8,601
Gain on sale of discontinued operations	(176,078)	0
Gain on sale of rental equipment and other property, plant and equipment	(3,396)	(3,232)
Amortization of debt discounts and debt issuance costs	2,743	3,489
Stock-based compensation expense	8,150	6,395
Deferred income tax expense	63,699	12,362
Loss on foreign currency forward contract	7,715	0
Unrealized currency losses, net	(1,042)	86
Other	1,087	914
Changes in operating assets and liabilities:
Trade receivables	(10,954)	(12,064)
Inventories	(350)	(7,122)
Prepaid expenses and other assets	(3,049)	(9,042)
Operating lease assets and liabilities	345	268
Accounts payable and other accrued expenses	(32,694)	(1,239)
Deferred revenue and customer deposits	(3,427)	13,120
Net cash provided by operating activities	148,765	145,527
Investing activities:
Proceeds from sale of discontinued operations	403,992	0
Acquisitions, net of cash acquired	(78,503)	(57,457)
Proceeds from sale of rental equipment	7,781	14,554
Purchase of rental equipment and refurbishments	(47,128)	(95,236)
Payment for settlement of foreign currency forward contract	(7,715)	0
Proceeds from the sale of property, plant and equipment	258	260
Purchase of property, plant and equipment	(6,736)	(10,481)
Net cash provided by (used in) investing activities	271,949	(148,360)
Financing activities:
Receipts from issuance of Common Stock from the exercise of options	68	3,313
Repurchase and cancellation of Common Stock and warrants	(215,098)	(77,708)
Receipts from borrowings	363,800	152,500
Repayment of borrowings	(558,300)	(59,000)
Principal payments on finance lease obligations	(3,499)	(5,224)
Taxes paid on employee stock awards	(10,058)	(12,295)
Net cash (used in) provided by financing activities	(423,087)	1,586
Effect of exchange rate changes on cash and cash equivalents	517	(131)
Net change in cash and cash equivalents	(1,856)	(1,378)
Cash and cash equivalents at the beginning of the period	17,774	12,699
Cash and cash equivalents at the end of the period	15,918	11,321
Supplemental cash flow information:
Interest paid, net	39,570	22,197
Income taxes paid, net	5,653	2,606
Assets acquired under capital leases	8,907	7,011
Capital expenditures accrued or payable	$ 17,786	$ 28,433

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Summary of Significant Accounting Policies

3 Months Ended

Mar. 31, 2023

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

Organization and Nature of Operations

WillScot Mobile Mini Holdings Corp. (“WillScot Mobile Mini” and, together with its subsidiaries, the “Company”) is a leading business services provider specializing in innovative flexible work space and portable storage solutions in the United States (“US”), Canada, and Mexico. The Company leases, sells, delivers and installs modular space solutions and portable storage products through an integrated network of branch locations that spans North America.

Basis of Presentation and Principles of Consolidation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and do not include all the information and notes required by US Generally Accepted Accounting Principles ("GAAP") for complete financial statements. The accompanying unaudited condensed consolidated financial statements comprise the financial statements of WillScot Mobile Mini and its subsidiaries that it controls due to ownership of a majority voting interest and contain all adjustments, which are of a normal and recurring nature, considered necessary by management to present fairly the financial position, results of operations and cash flows for the interim periods presented.

Subsidiaries are fully consolidated from the date of acquisition, being the date on which the Company obtains control, and continue to be consolidated until the date when such control ceases. The financial statements of the subsidiaries are prepared for the same reporting period as the Company. All intercompany balances and transactions are eliminated.

The results of operations for the three months ended March 31, 2023 are not necessarily indicative of the results to be expected for the full year. For further information, refer to the consolidated financial statements and notes included in the Company's Annual Report on Form 10-K for the year ended December 31, 2022.

Reclassifications

Certain reclassifications have been made to prior year financial statements to conform to the current year presentation.

Recently Issued and Adopted Accounting Standards

In October 2021, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update No. 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers ("ASU 2021-08"). ASU 2021-08 requires that an acquirer recognize and measure contract assets and liabilities acquired in a business combination in accordance with FASB Accounting Standards Codification 606, Revenue from Contracts with Customers ("ASC 606"). The Company adopted ASU 2021-08 on January 1, 2023 on a prospective basis. The adoption of this ASU did not have a material impact on the Company's financial statements or related disclosures.

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Acquisitions

3 Months Ended

Mar. 31, 2023

Business Combination and Asset Acquisition [Abstract]

Acquisitions

Acquisitions

WillScot Mobile Mini is the holding company for the Williams Scotsman and Mobile Mini family of companies, which resulted from the combination of WillScot Corporation (“WillScot”) and Mobile Mini, Inc. (“Mobile Mini”) through a merger that occurred on July 1, 2020 (the "Merger").

Asset Acquisitions

During the first quarter of 2023, the Company acquired certain assets and liabilities of two regional and local storage and modular companies, which consisted primarily of approximately 300 storage units and 500 modular units for $79.6 million in cash. The accompanying consolidated financial statements include $70.4 million of rental equipment and $4.5 million of land held for sale as of March 31, 2023 as a result of these acquisitions. A sale of the acquired land is expected to close before the end of the year.

Integration Costs

The Company recorded $3.9 million and $4.1 million in integration costs related to asset acquisitions and the Merger within selling, general and administrative ("SG&A") expense during the three months ended March 31, 2023 and 2022, respectively.

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Discontinued Operations

3 Months Ended

Mar. 31, 2023

Business Combination and Asset Acquisition [Abstract]

Discontinued Operations

Discontinued Operations

Tank and Pump Divestiture

On September 30, 2022, the Company sold its former Tank and Pump segment for $321.9 million. Exiting the former Tank and Pump segment represented the Company’s strategic shift to concentrate its operations on its core modular and storage businesses. The criteria for discontinued operations presentation were met during the third quarter of 2022 and results for the former Tank and Pump segment are reported in income from discontinued operations within the consolidated statements of operations for periods presented prior to September 30, 2022.

UK Storage Solutions Divestiture

On December 12, 2022, the Company entered into a stock purchase agreement to sell its former UK Storage Solutions segment. The sale transaction was completed on January 31, 2023. Total cash consideration for the transaction was $418.1 million. Exiting the former UK Storage Solutions segment represented the Company’s strategic shift to concentrate its operations on its core modular and storage businesses in North America. The criteria for discontinued operations presentation were met during the fourth quarter of 2022 and results for the former UK Storage Solutions segment are reported in income from discontinued operations within the consolidated statements of operations for all periods presented. The carrying value of the former UK Storage Solutions segment's assets and liabilities are presented within assets and liabilities held for sale on the consolidated balance sheet as of December 31, 2022.

The following tables present the results of the former Tank and Pump segment and the former UK Storage Solutions segment as reported in income from discontinued operations within the consolidated statements of operations, and the carrying value of the former UK Storage Solutions segment's assets and liabilities as presented within assets and liabilities held for sale on the consolidated balance sheet.

	Three Months Ended March 31, 2023
(in thousands)	UK Storage Solutions
Revenues:
Leasing and services revenue:
Leasing	$	6,389
Delivery and installation	1,802
Sales revenue:
New units	54
Rental units	449
Total revenues	8,694
Costs:
Costs of leasing and services:
Leasing	1,407
Delivery and installation	1,213
Costs of sales:
New units	38
Rental units	492
Gross profit	5,544
Expenses:
Selling, general and administrative	1,486
Other income, net	(1)
Operating income	4,059
Interest expense	56
Income from discontinued operations before income tax	4,003
Gain on sale of discontinued operations	175,708
Income tax expense from discontinued operations	45,468
Income from discontinued operations	$	134,243
Other selected data:
Adjusted EBITDA from discontinued operations	$	4,124

In January 2023, a $0.4 million adjustment was made to the gain on sale of the former Tank and Pump segment due to the final contractual working capital adjustment. Including this adjustment, the total gain on sale of discontinued operations was $176.1 million for the three months ended March 31, 2023.

	Three Months Ended March 31, 2022
(in thousands)	Tank and Pump		UK Storage Solutions		Total
Revenues:
Leasing and services revenue:
Leasing	$	21,062	$	20,571	$	41,633
Delivery and installation	8,325		6,467		14,792
Sales revenue:
New units	682		128		810
Rental units	214		274		488
Total revenues	30,283		27,440		57,723
Costs:
Costs of leasing and services:
Leasing	4,307		4,237		8,544
Delivery and installation	7,011		3,924		10,935
Costs of sales:
New units	507		63		570
Rental units	95		157		252
Depreciation of rental equipment	3,530		1,138		4,668
Gross profit	14,833		17,921		32,754
Expenses:
Selling, general and administrative	6,212		6,117		12,329
Other depreciation and amortization	2,416		1,825		4,241
Currency losses, net	—		1		1
Other expense (income), net	19		(45)		(26)
Operating income	6,186		10,023		16,209
Interest expense	178		244		422
Income from discontinued operations before income tax	6,008		9,779		15,787
Income tax expense from discontinued operations	1,513		2,151		3,664
Income from discontinued operations	$	4,495	$	7,628	$	12,123
Other selected data:
Adjusted EBITDA from discontinued operations	$	11,506	$	12,544	$	24,050

	December 31, 2022
(in thousands)	UK Storage Solutions
Assets
Cash and cash equivalents	$	10,384
Trade receivables, net of allowances for doubtful accounts of $300	15,991
Inventories	3,058
Prepaid expenses and other current assets	1,787
Rental equipment, net	165,853
Property, plant and equipment, net	20,645
Operating lease assets	15,134
Goodwill	58,144
Intangible assets, net	6,414
Other non-current assets	1,832
Total assets held for sale	$	299,242
Liabilities
Accounts payable	$	4,515
Accrued expenses	3,273
Accrued employee benefits	1,009
Deferred revenue and customer deposits	6,850
Deferred tax liabilities	29,737
Operating lease liabilities	15,192
Other non-current liabilities	6,278
Total liabilities held for sale	$	66,854

For the three months ended March 31, 2022, significant operating and investing items related to the former Tank and Pump segment were as follows:

	Three Months Ended March 31,
(in thousands)	2022
Operating activities of discontinued operations:
Depreciation and amortization	$	5,946
Investing activities of discontinued operations:
Proceeds from sale of rental equipment	$	214
Purchases of rental equipment and refurbishments	$	(7,873)
Purchases of property, plant and equipment	$	(82)

The following table presents a reconciliation of Income from discontinued operations before income tax to Adjusted EBITDA from discontinued operations for the former Tank and Pump segment for the three months ended March 31, 2022. See Note 16 for further information regarding Adjusted EBITDA.

	Three Months Ended March 31,
(in thousands)	2022
Income from discontinued operations	$	4,495
Income tax expense from discontinued operations	1,513
Income from discontinued operations before income tax	6,008
Interest expense	178
Depreciation and amortization	5,946
Stock compensation expense	104
Other	(730)
Adjusted EBITDA from discontinued operations	$	11,506

For the three months ended March 31, 2023 and 2022, significant operating and investing items related to the former UK Storage Solutions segment were as follows:

	Three Months Ended March 31,
(in thousands)	2023		2022
Operating activities of discontinued operations:
Depreciation and amortization	$	—	$	2,963
Investing activities of discontinued operations:
Proceeds from sale of rental equipment	$	514	$	274
Purchases of rental equipment and refurbishments	$	(371)	$	(9,615)
Proceeds from sale of property, plant and equipment	$	8	$	255
Purchases of property, plant and equipment	$	(64)	$	(2,265)

The following table presents reconciliations of Income from discontinued operations before income tax to Adjusted EBITDA from discontinued operations for the former UK Storage Solutions segment for the three months ended March 31, 2023 and 2022, respectively. See Note 16 for further information regarding Adjusted EBITDA.

	Three Months Ended March 31,
(in thousands)	2023		2022
Income from discontinued operations	$	134,243	$	7,628
Gain on sale of discontinued operations	175,708		—
Income tax expense from discontinued operations	45,468		2,151
Income from discontinued operations before income tax and gain on sale	4,003		9,779
Interest expense	56		244
Depreciation and amortization	—		2,963
Currency losses, net	—		1
Stock compensation expense	(196)		18
Other	261		(461)
Adjusted EBITDA from discontinued operations	$	4,124	$	12,544

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Revenue

3 Months Ended

Mar. 31, 2023

Revenue from Contract with Customer [Abstract]

Revenue

Revenue

Revenue Disaggregation

Geographic Areas

The Company had total revenue in the following geographic areas for the three months ended March 31, as follows:

	Three Months Ended March 31,
(in thousands)	2023		2022
US	$	533,174	$	421,684
Canada	26,941		25,273
Mexico	5,353		4,214
Total revenues	$	565,468	$	451,171

Major Product and Service Lines

Equipment leasing is the Company's core business and the primary driver of the Company's revenue and cash flows. This includes modular space and portable storage units along with value-added products and services ("VAPS"), which include furniture, steps, ramps, basic appliances, internet connectivity devices, integral tool racking, heavy duty capacity shelving, workstations, electrical and lighting products and other items used by customers in connection with the Company's products. The Company also offers its lease customers a damage waiver program that protects them in case the leased unit is damaged. Leasing is complemented by new unit sales and sales of rental units. In connection with its leasing and sales activities, the Company provides services including delivery and installation, maintenance and ad hoc services and removal services at the end of lease transactions.

The Company’s revenue by major product and service line for the three months ended March 31, was as follows:

	Three Months Ended March 31,
(in thousands)	2023		2022
Modular space leasing revenue	$	224,470	$	190,390
Portable storage leasing revenue	97,315		70,703
VAPS and third party leasing revenues(a)	94,126		75,305
Other leasing-related revenue(b)	24,040		15,161
Leasing revenue	439,951		351,559
Delivery and installation revenue	106,630		85,539
Total leasing and services revenue	546,581		437,098
New unit sales revenue	10,657		5,787
Rental unit sales revenue	8,230		8,286
Total revenues	$	565,468	$	451,171

(a)	Includes $5.6 million and $5.9 million of service revenue for the three months ended March 31, 2023 and 2022, respectively.
(b)	Includes primarily damage billings, delinquent payment charges, and other processing fees.

Leasing and Services Revenue

The majority of revenue (77% for the both the three months ended March 31, 2023 and March 31, 2022) was generated by rental income subject to the guidance of ASU 2018-11, Leases (Topic 842) ("ASC 842"). The remaining revenue was generated by performance obligations in contracts with customers for services or sale of units subject to the guidance in ASC 606.

Receivables and Credit Losses

The Company is exposed to credit losses from trade receivables and manages credit risk at the customer level. Because the same customers generate the revenues that are accounted for under both ASC 606 and ASC 842, the discussions below on credit risk and the Company's allowance for credit losses address the Company's total revenues. Concentration of credit risk with respect to the Company's receivables is limited because of a large number of geographically diverse customers who operate in a variety of end user markets.

The Company assesses each customer’s ability to pay for the products it leases or sells by conducting a credit review that considers expected billing exposure, timing for payment and the customer’s established credit rating. The Company performs its credit review of new customers at inception of the customer relationship and for existing customers when the

customer transacts after a defined period of dormancy. The Company also considers contract terms and conditions, country risk and business strategy in the evaluation.

The Company monitors ongoing credit exposure through an active review of customer balances against contract terms and due dates and may employ collection agencies and legal counsel to pursue recovery of defaulted receivables. The allowance for credit losses reflects the estimate of the amount of receivables that the Company will be unable to collect based on historical collection experience and, as applicable, current conditions and reasonable and supportable forecasts that affect collectability. The Company's estimate reflects changing circumstances, including changes in the economy or in the particular circumstances of individual customers. Accordingly, the Company may be required to increase or decrease its allowance.

Activity in the allowance for credit losses was as follows:

	Three Months Ended March 31,
(in thousands)	2023		2022
Balance at beginning of period	$	57,048	$	45,773
Provision for credit losses, net of recoveries	8,803		8,311
Write-offs	(4,537)		(7,010)
Foreign currency translation and other	88		50
Balance at end of period	$	61,402	$	47,124

Contract Assets and Liabilities

When customers are billed in advance for services, the Company defers recognition of revenue until the related services are performed, which generally occurs at the end of the contract. The balance sheet classification of deferred revenue is determined based on the contractual lease term. For contracts that continue beyond their initial contractual lease term, revenue continues to be deferred until the services are performed. During the three months ended March 31, 2023, deferred revenue relating to services billed in advance of $27.7 million was recognized as revenue. As of March 31, 2023 and December 31, 2022, the Company had approximately $99.0 million and $102.2 million, respectively, of deferred revenue related to these services.

The Company does not have material contract assets, and the Company's uncompleted contracts with customers have unsatisfied (or partially satisfied) performance obligations. For the future services revenues that are expected to be recognized within twelve months, the Company has elected to utilize the optional disclosure exemption made available regarding transaction price allocated to unsatisfied (or partially unsatisfied) performance obligations. The transaction price for performance obligations that will be completed in greater than twelve months is variable based on the market rate in place at the time those services are provided, and therefore, the Company is applying the optional expedient to omit disclosure of such amounts.

The primary costs to obtain contracts for new and rental unit sales with the Company's customers are commissions. The Company pays its sales force commissions on the sale of new and rental units. For new and rental unit sales, the period benefited by each commission is less than one year; therefore, the commissions are expensed as incurred.

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Leases

3 Months Ended

Mar. 31, 2023

Leases [Abstract]

Leases

Leases

As of March 31, 2023, the undiscounted future lease payments for operating and finance lease liabilities were as follows:

(in thousands)	Operating		Finance
2023 (remaining)	$	46,323	$	12,694
2024	54,591		15,259
2025	45,588		14,932
2026	33,680		14,618
2027	22,750		11,372
Thereafter	57,028		20,080
Total lease payments	259,960		88,955
Less: interest	(38,970)		(9,090)
Present value of lease liabilities	$	220,990	$	79,865

Finance lease liabilities are included within long-term debt and current portion of long-term debt on the condensed consolidated balance sheets.

The Company’s lease activity during the three months ended March 31, 2023 and 2022 was as follows:

(in thousands)	Three Months Ended March 31,
Financial Statement Line	2023		2022
Finance Lease Expense
Amortization of finance lease assets	$	3,761	$	3,333
Interest on obligations under finance leases	759		429
Total finance lease expense	$	4,520	$	3,762
Operating Lease Expense
Fixed lease expense
Cost of leasing and services	$	420	$	825
Selling, general and administrative	15,717		14,930
Short-term lease expense
Cost of leasing and services	6,654		8,862
Selling, general and administrative	462		668
Variable lease expense
Cost of leasing and services	1,026		1,287
Selling, general and administrative	2,474		1,767
Total operating lease expense	$	26,753	$	28,339

Supplemental cash flow information related to leases for the three months ended March 31, 2023 and 2022 was as follows:

(in thousands)	Three Months Ended March 31,
Supplemental Cash Flow Information	2023		2022
Cash paid for the amounts included in the measurement of lease liabilities:
Operating cash outflows from operating leases	$	16,693	$	15,753
Operating cash outflows from finance leases	$	728	$	412
Financing cash outflows from finance leases	$	3,446	$	3,848
Right of use assets obtained in exchange for lease obligations	$	8,741	$	8,794
Assets obtained in exchange for finance leases	$	8,913	$	5,411

Weighted average remaining operating lease terms and the weighted average discount rates as of March 31, 2023 and December 31, 2022 were as follows:

Lease Terms and Discount Rates	March 31, 2023		December 31, 2022
Weighted average remaining lease term - operating leases	5.7 years		5.8 years
Weighted average discount rate - operating leases	5.5	%	5.4	%
Weighted average remaining lease term - finance leases	5.0 years		5.1 years
Weighted average discount rate - finance leases	3.5	%	3.4	%

The Company presents information related to leasing revenues in Note 4.

Leases

Leases

As of March 31, 2023, the undiscounted future lease payments for operating and finance lease liabilities were as follows:

(in thousands)	Operating		Finance
2023 (remaining)	$	46,323	$	12,694
2024	54,591		15,259
2025	45,588		14,932
2026	33,680		14,618
2027	22,750		11,372
Thereafter	57,028		20,080
Total lease payments	259,960		88,955
Less: interest	(38,970)		(9,090)
Present value of lease liabilities	$	220,990	$	79,865

Finance lease liabilities are included within long-term debt and current portion of long-term debt on the condensed consolidated balance sheets.

The Company’s lease activity during the three months ended March 31, 2023 and 2022 was as follows:

(in thousands)	Three Months Ended March 31,
Financial Statement Line	2023		2022
Finance Lease Expense
Amortization of finance lease assets	$	3,761	$	3,333
Interest on obligations under finance leases	759		429
Total finance lease expense	$	4,520	$	3,762
Operating Lease Expense
Fixed lease expense
Cost of leasing and services	$	420	$	825
Selling, general and administrative	15,717		14,930
Short-term lease expense
Cost of leasing and services	6,654		8,862
Selling, general and administrative	462		668
Variable lease expense
Cost of leasing and services	1,026		1,287
Selling, general and administrative	2,474		1,767
Total operating lease expense	$	26,753	$	28,339

Supplemental cash flow information related to leases for the three months ended March 31, 2023 and 2022 was as follows:

(in thousands)	Three Months Ended March 31,
Supplemental Cash Flow Information	2023		2022
Cash paid for the amounts included in the measurement of lease liabilities:
Operating cash outflows from operating leases	$	16,693	$	15,753
Operating cash outflows from finance leases	$	728	$	412
Financing cash outflows from finance leases	$	3,446	$	3,848
Right of use assets obtained in exchange for lease obligations	$	8,741	$	8,794
Assets obtained in exchange for finance leases	$	8,913	$	5,411

Weighted average remaining operating lease terms and the weighted average discount rates as of March 31, 2023 and December 31, 2022 were as follows:

Lease Terms and Discount Rates	March 31, 2023		December 31, 2022
Weighted average remaining lease term - operating leases	5.7 years		5.8 years
Weighted average discount rate - operating leases	5.5	%	5.4	%
Weighted average remaining lease term - finance leases	5.0 years		5.1 years
Weighted average discount rate - finance leases	3.5	%	3.4	%

The Company presents information related to leasing revenues in Note 4.

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Inventories

3 Months Ended

Mar. 31, 2023

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories at the respective balance sheet dates consisted of the following:

(in thousands)	March 31, 2023		December 31, 2022
Raw materials	$	38,827	$	38,611
Finished units	3,180		2,419
Inventories	$	42,007	$	41,030

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Rental Equipment, net

3 Months Ended

Mar. 31, 2023

Property, Plant and Equipment [Abstract]

Rental Equipment, net

Rental Equipment, net

Rental equipment, net at the respective balance sheet dates consisted of the following:

(in thousands)	March 31, 2023		December 31, 2022
Modular space units	$	3,292,264	$	3,197,779
Portable storage units	848,982		849,193
Value added products	202,358		203,444
Total rental equipment	4,343,604		4,250,416
Less: accumulated depreciation	(1,215,543)		(1,173,129)
Rental equipment, net	$	3,128,061	$	3,077,287

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Goodwill and Intangibles

3 Months Ended

Mar. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangibles

Goodwill and Intangibles

Goodwill

Changes in the carrying amount of goodwill were as follows:

(in thousands)	Modular		Storage		Total
Balance at December 31, 2021	$	521,049	$	492,552	$	1,013,601
Effects of movements in foreign exchange rates	(2,172)		—		(2,172)
Balance at December 31, 2022	518,877		492,552		1,011,429
Effects of movements in foreign exchange rates	84		—		84
Balance at March 31, 2023	$	518,961	$	492,552	$	1,011,513

The Company had no goodwill impairment during the three months ended March 31, 2023 or the year ended December 31, 2022.

Intangible Assets

Intangible assets other than goodwill at the respective balance sheet dates consisted of the following:

	March 31, 2023
(in thousands)	Weighted average remaining life (in years)	Gross carrying amount		Accumulated amortization		Net book value
Intangible assets subject to amortization:
Mobile Mini customer relationships	5.3	$	188,000	$	(64,625)	$	123,375
Technology	3.3	1,500		(687)		813
Indefinite-lived intangible assets:
Trade name - Mobile Mini		164,000		—		164,000
Trade name - WillScot		125,000		—		125,000
Total intangible assets other than goodwill		$	478,500	$	(65,312)	$	413,188

	December 31, 2022
(in thousands)	Weighted average remaining life (in years)	Gross carrying amount		Accumulated amortization		Net book value
Intangible assets subject to amortization:
Mobile Mini customer relationships	5.5	$	188,000	$	(58,750)	$	129,250
Technology	3.5	1,500		(625)		875
Indefinite-lived intangible assets:
Trade name - Mobile Mini		164,000		—		164,000
Trade name - WillScot		125,000		—		125,000
Total intangible assets other than goodwill		$	478,500	$	(59,375)	$	419,125

Amortization expense related to intangible assets was $5.9 million for the each of the three months ended March 31, 2023 and 2022.

Based on the carrying value at March 31, 2023, future amortization of intangible assets is expected to be as follows for the years ended December 31:

(in thousands)
2023 (remaining)	$	17,813
2024	23,750
2025	23,750
2026	23,625
2027	23,500
Thereafter	11,750
Total	$	124,188

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Debt

3 Months Ended

Mar. 31, 2023

Debt Disclosure [Abstract]

Debt

Debt

The carrying value of debt outstanding at the respective balance sheet dates consisted of the following:

(in thousands, except rates)	Interest rate	Year of maturity	March 31, 2023		December 31, 2022
2025 Secured Notes	6.125%	2025	$	520,931	$	520,350
ABL Facility(a)	Varies	2027	1,795,448		1,988,176
2028 Secured Notes	4.625%	2028	493,723		493,470
Finance Leases	Varies	Varies	79,865		74,370
Total debt			2,889,967		3,076,366
Less: current portion of long-term debt			13,514		13,324
Total long-term debt			$	2,876,453	$	3,063,042

(a) As of both March 31, 2023 and December 31, 2022, the Company had no outstanding principal borrowings on the Multicurrency Facility and $2.4 million and $2.5 million, respectively, of related debt issuance costs. No related debt issuance costs were recorded as a direct offset against the principal borrowings on the Multicurrency Facility, and the $2.4 million and $2.5 million in excess of principal was included in other non-current assets on the condensed consolidated balance sheets as of March 31, 2023 and December 31, 2022, respectively.

Asset Backed Lending Facility

On July 1, 2020, certain subsidiaries of the Company entered into an asset-based credit agreement (the "ABL Facility") that initially provided for revolving credit facilities in the aggregate principal amount of up to $2.4 billion, consisting of: (i) a senior secured asset-based US dollar revolving credit facility in the aggregate principal amount of $2.0 billion and (ii) a $400.0 million senior secured asset-based multicurrency revolving credit facility available to be drawn in US Dollars, Canadian Dollars, British Pounds Sterling or Euros. The ABL Facility was initially scheduled to mature on July 1, 2025.

On June 30, 2022, certain subsidiaries of the Company entered into an amendment to the ABL Facility to, among other things, extend the expiration date until June 30, 2027 and increase the aggregate principal amount of the revolving credit facilities to $3.7 billion, consisting of: (i) a senior secured asset-based US dollar revolving credit facility in the aggregate principal amount of $3.3 billion (the “US Facility”) and (ii) a $400.0 million senior secured asset-based multicurrency revolving credit facility (the "Multicurrency Facility"), available to be drawn in US Dollars, Canadian Dollars, British Pounds Sterling or

Euros. The amendment also converted the interest rate for borrowings denominated in US Dollars from a LIBOR-based rate to a Term-SOFR-based rate with an interest period of one month and adjusted the applicable margins. The applicable margin for Canadian BA rate, Term SOFR, British Pounds Sterling and Euros loans is 1.50%. The facility includes a credit spread adjustment of 0.10% in addition to the applicable margin. The applicable margin for base rate and Canadian Prime Rate loans is 0.50%. The applicable margins are subject to one step down of 0.25% based on excess availability or one step up of 0.25% based on the Company's leverage ratio. The ABL Facility requires the payment of a commitment fee on the unused available borrowings of 0.20% annually. The weighted average interest rate on the balance outstanding as of March 31, 2023, as adjusted for the effects of the interest rate swap agreements, was 6.52%. Refer to Note 12 for a more detailed discussion on interest rate management.

Borrowing availability under the US Facility and the Multicurrency Facility is equal to the lesser of (i) the aggregate Revolver Commitments and (ii) the Borrowing Base ("Line Cap"). At March 31, 2023, the Line Cap was $3.0 billion and the Borrowers had $1.1 billion of available borrowing capacity under the ABL Facility, including $972.5 million under the US Facility and $162.0 million under the Multicurrency Facility. Borrowing capacity under the ABL Facility is made available for up to $205.6 million of letters of credit and up to $200.5 million of swingline loans. At March 31, 2023, letters of credit and bank guarantees carried fees of 1.625%. The Company had issued $14.4 million of standby letters of credit under the ABL Facility at March 31, 2023.

The Company had approximately $1.8 billion outstanding principal under the ABL Facility at March 31, 2023. Debt issuance costs of $30.1 million were included in the carrying value of the ABL Facility at March 31, 2023.

Finance Leases

The Company maintains finance leases primarily related to transportation equipment. At March 31, 2023 and December 31, 2022, obligations under finance leases for certain real property and transportation related equipment were $79.9 million and $74.4 million, respectively. Refer to Note 5 for further information.

The Company was in compliance with all debt covenants and restrictions associated with its debt instruments as of March 31, 2023.

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Equity

3 Months Ended

Mar. 31, 2023

Equity [Abstract]

Equity

Equity

Common Stock

In connection with the stock compensation vesting events and stock option exercises described in Note 14, the Company issued 360,725 shares of Common Stock during the three months ended March 31, 2023.

Stock Repurchase Program

In July 2022, the Board of Directors approved an increase to the share repurchase program authorizing the Company to repurchase up to $1.0 billion of its outstanding shares of Common Stock and equivalents. The stock repurchase program does not obligate the Company to purchase any particular number of shares, and the timing and exact amount of any repurchases will depend on various factors, including market pricing, business, legal, accounting, and other considerations.

In August 2022, the Inflation Reduction Act of 2022 was enacted into law and imposed a nondeductible 1% excise tax on the net value of certain stock repurchases made after December 31, 2022. In the first quarter of 2023, the Company reflected the applicable excise tax in equity as part of the cost basis of the stock repurchased and recorded a corresponding liability for the excise taxes payable in accrued expenses on the consolidated balance sheet.

During the three months ended March 31, 2023, the Company repurchased 4,589,308 shares of Common Stock for $215.7 million, excluding excise tax. As of March 31, 2023, $415.1 million of the approved share repurchase pool remained available.

Accumulated Other Comprehensive Loss

The changes in accumulated other comprehensive income (loss) ("AOCI"), net of tax, for the three months ended March 31, 2023 and 2022 were as follows:

	Three Months Ended March 31, 2023
(in thousands)	Foreign currency translation		Unrealized losses on hedging activities		Total
Balance at December 31, 2022	$	(70,122)	$	—	$	(70,122)
Other comprehensive income (loss) before reclassifications	7,934		859		8,793
Reclassifications from AOCI to income	—		(1,526)		(1,526)
Balance at March 31, 2023	$	(62,188)	$	(667)	$	(62,855)

	Three Months Ended March 31, 2022
(in thousands)	Foreign currency translation		Unrealized losses on hedging activities		Total
Balance at December 31, 2021	$	(25,574)	$	(3,497)	$	(29,071)
Other comprehensive loss before reclassifications	(4,074)		(569)		(4,643)
Reclassifications from AOCI to income	—		2,890		2,890
Balance at March 31, 2022	$	(29,648)	$	(1,176)	$	(30,824)

For the three months ended March 31, 2023 and 2022, a gain of $1.5 million and a loss of $2.9 million, respectively, were reclassified from AOCI into the condensed consolidated statements of operations within interest expense related to the interest rate swaps discussed in Note 12. The Company recorded tax benefit of $0.4 million and tax expense $0.7 million for the three months ended March 31, 2023 and 2022, respectively, associated with these reclassifications.

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Income Taxes	3 Months Ended
	Mar. 31, 2023
Income Tax Disclosure [Abstract]
Income Taxes	Income TaxesThe Company recorded $30.5 million and $12.1 million of income tax expense from continuing operations for the three months ended March 31, 2023 and 2022, respectively. The Company’s effective tax rate for the three months ended March 31, 2023 and 2022 was 28.6% and 23.7%, respectively.The effective tax rate for the three months ended March 31, 2023 differs from the US federal statutory rate of 21% primarily due to state and provincial taxes and an add-back for non-deductible executive compensation. The effective tax rate for the three months ended March 31, 2022 differs from the US statutory rate of 21% primarily due to state and provincial taxes offset by a discrete tax benefit related to employee stock vesting.

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Derivatives

3 Months Ended

Mar. 31, 2023

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivatives

Derivatives

In 2018, the Company entered into an interest rate swap agreement with a financial counterparty that effectively converted $400.0 million in aggregate notional amount of variable-rate debt under the Company’s former asset backed lending facility into fixed-rate debt. Under the terms of the agreement, the Company received a floating rate equal to one-month LIBOR and made payments based on a fixed rate of 3.06% on the notional amount. The swap agreement was designated and qualified as a hedge of the Company’s exposure to changes in interest payment cash flows created by fluctuations in variable interest rates on the former asset backed lending facility and terminated on May 29, 2022.

In January 2023, the Company entered into two interest rate swap agreements with financial counterparties relating to $750.0 million in aggregate notional amount of variable-rate debt under the Company’s ABL Facility. Under the terms of the agreements, the Company receives a floating rate equal to one-month term SOFR and makes payments based on a weighted average fixed interest rate of 3.44% on the notional amount. The swap agreements were designated and qualified as hedges of the Company’s exposure to changes in interest payment cash flows created by fluctuations in variable interest rates on the ABL Facility. The swap agreements terminate on June 30, 2027. The floating rate that the Company receives under the terms of these swap agreements was 4.79% at March 31, 2023.

The location and the fair value of derivative instruments designated as hedges were as follows:

(in thousands)	Balance Sheet Location	March 31, 2023
Cash Flow Hedges:
Interest rate swap	Prepaid expenses and other current assets	$	8,646
Interest rate swap	Other non-current liabilities	$	(9,394)

The fair values of the interest rate swaps are based on dealer quotes of market forward rates, Level 2 inputs on the fair value hierarchy, and reflect the amounts that the Company would receive or pay as of March 31, 2023 for contracts involving the same attributes and maturity dates.

The following table discloses the impact of the interest rate swaps, excluding the impact of income taxes, on other comprehensive income (“OCI”), AOCI and the Company’s statements of operations for the three months ended March 31,:

(in thousands)	2023		2022
(Loss) gain recognized in OCI	$	(641)	$	3,098
Location of gain (loss) recognized in income	Interest expense, net		Interest expense, net
(Gain) loss reclassified from AOCI into income	$	(1,526)	$	2,890

Foreign Currency Contract

In December 2022, the Company executed a contingent forward contract to sell £330.0 million upon the closing of the sale of the former UK Storage Solutions segment at a price ranging from 1.20550 to 1.20440 US Dollars (USD) to British Pounds Sterling. The price was dependent upon the date of the closing of the sale. This contract, which was to expire on September 11, 2023, mitigated the foreign currency risk of the USD relative to the British Pound Sterling prior to the closing of the sale of the former UK Storage Solutions segment. This contract did not qualify for hedge accounting and was revalued at fair value at the reporting period with unrealized gains and losses reflected in the Company's results of operations. Upon the closing of the sale of the former UK Storage Solutions segment on January 31, 2023, the Company settled the contingent foreign currency forward contract and received cash at an exchange rate of 1.205 USD to British Pounds Sterling.

The location and the fair value of the foreign currency contract was as follows:

(in thousands)	Balance Sheet Location	December 31, 2022
Foreign currency contract	Accrued liabilities	$	930

The fair value of the foreign currency contract was based on dealer quotes of market forward rates, a Level 2 input on the fair value hierarchy, and reflected the amount that the Company would receive or pay for contracts involving the same attributes and maturity dates.

The location and the impact of the foreign currency contract, excluding the impact of income taxes, on the Company’s statement of operations for the three months ended March 31, 2023 was as follows:

(in thousands)	Income Statement Location	Three Months Ended March 31, 2023
Loss recognized in income	Currency losses, net	$	7,715

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Fair Value Measures

3 Months Ended

Mar. 31, 2023

Fair Value Disclosures [Abstract]

Fair Value Measures

Fair Value Measures

The fair value of financial assets and liabilities are included at the amount at which the instrument could be exchanged in a current transaction between willing parties, other than in a forced or liquidation sale.

The Company utilizes the suggested accounting guidance for the three levels of inputs that may be used to measure fair value:

Level 1 -	Observable inputs such as quoted prices in active markets for identical assets or liabilities;
Level 2 -	Observable inputs, other than Level 1 inputs in active markets, that are observable either directly or indirectly; and
Level 3 -	Unobservable inputs for which there is little or no market data, which require the reporting entity to develop its own assumptions

The Company has assessed that the fair value of cash and cash equivalents, trade receivables, trade payables, and other current liabilities approximate their carrying amounts. Based on the borrowing rates currently available for bank loans with similar terms and average maturities, the fair value of finance leases at March 31, 2023 approximate their respective book values.

The following table shows the carrying amounts and fair values of financial liabilities which are disclosed, but not measured, at fair value, including their levels in the fair value hierarchy:

	March 31, 2023								December 31, 2022
	Carrying Amount		Fair Value						Carrying Amount		Fair Value
(in thousands)			Level 1		Level 2		Level 3				Level 1		Level 2		Level 3
ABL Facility	$	1,795,448	$	—	$	1,825,500	$	—	$	1,988,176	$	—	$	2,020,000	$	—
2025 Secured Notes	520,931		—		526,300		—		520,350		—		526,800		—
2028 Secured Notes	493,723		—		458,205		—		493,470		—		450,135		—
Total	$	2,810,102	$	—	$	2,810,005	$	—	$	3,001,996	$	—	$	2,996,935	$	—

As of March 31, 2023, the carrying values of the ABL Facility, the 2025 Secured Notes, and the 2028 Secured Notes included $30.1 million, $5.6 million, and $6.3 million, respectively, of unamortized debt issuance costs, which were presented as a direct reduction of the corresponding liability. As of December 31, 2022, the carrying value of the ABL Facility, the 2025 Secured Notes, and the 2028 Secured Notes included $31.8 million, $6.2 million, and $6.5 million, respectively, of unamortized debt issuance costs, which were presented as a direct reduction of the corresponding liability.

The carrying value of the ABL Facility, excluding debt issuance costs, approximates fair value as the interest rates are variable and reflective of current market rates. The fair value of the 2025 Secured Notes and the 2028 Secured Notes is based on their last trading price at the end of each period obtained from a third party. The classification and the fair value of derivative assets and liabilities are disclosed in Note 12.

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Stock-Based Compensation

3 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Stock-Based Compensation

Stock-Based Compensation

Stock-based compensation expense includes grants of stock options, time-based restricted stock units ("Time-Based RSUs") and performance-based restricted stock units ("Performance-Based RSUs," together with Time-Based RSUs, the "RSUs"). In addition, stock-based payments to non-executive directors includes grants of restricted stock awards ("RSAs"). Time-Based RSUs and RSAs are valued based on the intrinsic value of the difference between the exercise price, if any, of the award and the fair market value of WillScot Mobile Mini's Common Stock on the grant date. Performance-Based RSUs are valued based on a Monte Carlo simulation model to reflect the impact of the Performance-Based RSU's market condition. The probability of satisfying a market condition is considered in the estimation of the grant-date fair value for Performance-Based RSUs and the compensation cost is not reversed if the market condition is not achieved, provided the requisite service has been provided.

Restricted Stock Awards

The following table summarizes the Company's RSA activity for the three months ended March 31, 2023 and 2022:

	2023			2022
	Number of Shares	Weighted-Average Grant Date Fair Value		Number of Shares	Weighted-Average Grant Date Fair Value
Outstanding at beginning of period	35,244	$	37.17	36,176	$	29.30
Outstanding at end of period	35,244	$	37.17	36,176	$	29.30

Compensation expense for RSAs recognized in SG&A on the condensed consolidated statements of operations was $0.3 million for each of the three months ended March 31, 2023 and 2022. At March 31, 2023, there was $0.2 million of unrecognized compensation cost related to RSAs that is expected to be recognized over the remaining weighted average vesting period of 0.2 years.

Time-Based RSUs

The following table summarizes the Company's Time-Based RSU activity for the three months ended March 31, 2023 and 2022:

	2023			2022
	Number of Shares	Weighted-Average Grant Date Fair Value		Number of Shares	Weighted-Average Grant Date Fair Value
Outstanding at beginning of period	789,779	$	26.16	997,451	$	18.54
Granted	213,388	$	50.74	357,639	$	35.53
Forfeited	(31,681)	$	33.67	(9,299)	$	27.20
Vested	(281,153)	$	22.40	(420,184)	$	16.21
Outstanding at end of period	690,333	$	34.95	925,607	$	26.08

Compensation expense for Time-Based RSUs recognized in SG&A on the condensed consolidated statements of operations was $1.8 million and $2.2 million for the three months ended March 31, 2023 and 2022, respectively. At March 31, 2023, unrecognized compensation cost related to Time-Based RSUs totaled $21.6 million and is expected to be recognized over the remaining weighted average vesting period of 2.7 years.

Performance-Based RSUs

The following table summarizes the Company's Performance-Based RSU award activity for the three months ended March 31, 2023 and 2022:

	2023			2022
	Number of Shares	Weighted-Average Grant Date Fair Value		Number of Shares	Weighted-Average Grant Date Fair Value
Outstanding at beginning of period	1,894,250	$	33.67	1,536,394	$	26.34
Granted	376,826	$	69.32	745,079	$	42.34
Forfeited	—	$	—	(5,046)	$	39.10
Vested	(181,319)	$	16.82	(267,964)	$	13.22
Outstanding at end of period	2,089,757	$	41.56	2,008,463	$	33.99

Compensation expense for Performance-Based RSUs recognized in SG&A on the condensed consolidated statements of operations was $5.8 million and $3.8 million for the three months ended March 31, 2023 and 2022, respectively. At March 31, 2023, unrecognized compensation cost related to Performance-Based RSUs totaled $56.2 million and is expected to be recognized over the remaining vesting period of 2.1 years.

Certain Performance-Based RSUs cliff vest based on achievement of the relative total stockholder return ("TSR") of the Company's Common Stock as compared to the TSR of the constituents in an index at the grant date over the performance period of three years. For 2023 grants, the TSR of the Company's Common Stock is compared to the TSR of the constituents in the S&P 400 Index. The target number of RSUs may be adjusted from 0% to 200% based on the TSR attainment levels defined by the Company's Compensation Committee. The 100% target payout is tied to performance at the 50% percentile, with a payout curve ranging from 0% (for performance less than the 25% percentile) to 200% (for performance above the 85% percentile).

Stock Options

The following table summarizes the Company's stock option activity for the three months ended March 31, 2023:

	WillScot Options	Weighted-Average Exercise Price per Share		Converted Mobile Mini Options	Weighted-Average Exercise Price per Share
Outstanding at beginning of period	534,188	$	13.60	864,276	$	12.91
Exercised	—	—		(5,774)	11.79
Outstanding at end of period	534,188	$	13.60	858,502	$	12.92
Fully vested and exercisable options, March 31, 2023	534,188	$	13.60	858,502	$	12.92

The following table summarizes the Company's stock option activity for the three months ended March 31, 2022:

	WillScot Options	Weighted-Average Exercise Price per Share		Converted Mobile Mini Options	Weighted-Average Exercise Price per Share
Outstanding at beginning of period	534,188	$	13.60	1,527,643	$	14.66
Exercised	—	—		(227,258)	14.58
Outstanding at end of period	534,188	$	13.60	1,300,385	$	14.67
Fully vested and exercisable options, March 31, 2022	534,188	$	13.60	1,300,385	$	14.67

WillScot Options

Compensation expense for stock option awards, recognized in SG&A on the condensed consolidated statements of operations, was $0.2 million for the three months ended March 31, 2022.

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Commitments and Contingencies	3 Months Ended
	Mar. 31, 2023
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies The Company is involved in various lawsuits, claims and legal proceedings that arise in the ordinary course of business. The Company assesses these matters on a case-by-case basis as they arise and establishes reserves as required. As of March 31, 2023, with respect to these outstanding matters, the Company believes that the amount or range of reasonably possible loss will not, either individually or in the aggregate, have a material adverse effect on the consolidated financial position, results of operations, or cash flows. However, the outcome of such matters is inherently unpredictable and subject to significant uncertainties.

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Segment Reporting

3 Months Ended

Mar. 31, 2023

Segment Reporting [Abstract]

Segment Reporting

Segment ReportingThe Company operates in two reportable segments as follows: Modular Solutions ("Modular") and Storage Solutions ("Storage"). Total assets for each reportable segment are not available because the Company utilizes a centralized approach to working capital management. Transactions between reportable segments are not significant. During the first quarter of 2023, the ground level office business within the Modular segment was transferred to the Storage segment, and associated revenues, expenses, and operating metrics were transferred to the Storage segment. All periods presented have been retrospectively revised to reflect this change within the Modular and Storage segments. For the three months ended March 31, 2022, this resulted in approximately $11.1 million of revenue and $6.3 million of gross profit being transferred from the Modular segment to the Storage segment.

The Company defines EBITDA as net income (loss) plus interest (income) expense, income tax (benefit) expense, depreciation and amortization. The Company reflects further adjustments to EBITDA (“Adjusted EBITDA”) to exclude certain non-cash items and the effect of what the Company considers transactions or events not related to its core and ongoing business operations. In addition, the Chief Operating Decision Maker ("CODM") evaluates business segment performance utilizing Adjusted EBITDA as shown in the reconciliation of the Company’s consolidated income from continuing operations to Adjusted EBITDA below. Management believes that evaluating segment performance excluding such items is meaningful because it provides insight with respect to the intrinsic and ongoing operating results of the Company. The Company considers Adjusted EBITDA to be an important metric because it reflects the business performance of the segments, inclusive of indirect costs. The Company also regularly evaluates gross profit by segment to assist in the assessment of its operational performance. 

Reportable Segments

The following tables set forth certain information regarding each of the Company’s reportable segments for the three months ended March 31, 2023 and 2022, respectively.

	Three Months Ended March 31, 2023
(in thousands)	Modular		Storage		Unallocated Costs		Total
Revenues:
Leasing and services revenue:
Leasing	$	269,271	$	170,680			$	439,951
Delivery and installation	64,821		41,809				106,630
Sales revenue:
New units	8,921		1,736				10,657
Rental units	6,657		1,573				8,230
Total revenues	349,670		215,798				565,468
Costs:
Cost of leasing and services:
Leasing	73,582		23,933				97,515
Delivery and installation	51,503		23,504				75,007
Cost of sales:
New units	5,665		543				6,208
Rental units	3,370		1,084				4,454
Depreciation of rental equipment	50,215		8,941				59,156
Gross profit	$	165,335	$	157,793			$	323,128
Other selected data:
Adjusted EBITDA	$	136,964	$	109,878	$	—	$	246,842
Selling, general and administrative expense	$	81,816	$	57,675	$	11,401	$	150,892
Purchases of rental equipment and refurbishments	$	39,412	$	7,345	$	—	$	46,757

	Three Months Ended March 31, 2022
(in thousands)	Modular		Storage		Unallocated Costs		Total
Revenues:
Leasing and services revenue:
Leasing	$	223,298	$	128,261			$	351,559
Delivery and installation	54,332		31,207				85,539
Sales revenue:
New units	4,844		943				5,787
Rental units	6,073		2,213				8,286
Total revenues	288,547		162,624				451,171
Costs:
Cost of leasing and services:
Leasing	61,330		19,004				80,334
Delivery and installation	47,906		22,674				70,580
Cost of sales:
New units	3,256		500				3,756
Rental units	3,449		1,443				4,892
Depreciation of rental equipment	50,008		7,540				57,548
Gross profit	$	122,598	$	111,463			$	234,061
Other selected data:
Adjusted EBITDA	$	99,586	$	68,187	$	—	$	167,773
Selling, general and administrative expense	$	74,638	$	51,862	$	11,644	$	138,144
Purchases of rental equipment and refurbishments	$	57,577	$	20,171	$	—	$	77,748

The following table presents reconciliations of the Company’s income from continuing operations to Adjusted EBITDA for the three months ended March 31, 2023 and 2022, respectively:

	Three Months Ended March 31,
(in thousands)	2023		2022
Income from continuing operations	$	76,271	$	39,048
Income tax expense from continuing operations	30,510		12,083
Interest expense	44,866		30,570
Depreciation and amortization	76,329		72,910
Currency losses, net	6,775		137
Restructuring costs, lease impairment expense and other related charges	22		263
Transaction costs	—		13
Integration costs	3,873		4,087
Stock compensation expense	8,150		6,273
Other	46		2,389
Adjusted EBITDA	$	246,842	$	167,773

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Earnings Per Share

3 Months Ended

Mar. 31, 2023

Earnings Per Share [Abstract]

Earnings (Loss) Per Share

Earnings Per Share

The following table reconciles the weighted average shares outstanding for the basic calculation to the weighted average shares outstanding for the diluted calculation:

	Three Months Ended
	March 31
(in thousands)	2023		2022
Numerator:
Income from continuing operations	$	76,271	$	39,048
Income from discontinued operations	134,613		12,123
Net income	$	210,884	$	51,171
Denominator:
Weighted average Common Shares outstanding – basic	206,092		223,491
Dilutive effect of shares outstanding
Warrants	—		1,889
RSAs	27		27
Time-based RSUs	326		483
Performance-based RSUs	2,206		1,819
Stock Options	1,013		1,246
Weighted average Common Shares outstanding – dilutive	209,664		228,956

For the three months ended March 31, 2022, 555,790 shares of Performance-Based RSUs were excluded from the computation of diluted EPS because their effect would have been anti-dilutive.

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Summary of Significant Accounting Policies (Policies)

3 Months Ended

Mar. 31, 2023

Accounting Policies [Abstract]

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with the instructions to Form 10-Q and do not include all the information and notes required by US Generally Accepted Accounting Principles ("GAAP") for complete financial statements. The accompanying unaudited condensed consolidated financial statements comprise the financial statements of WillScot Mobile Mini and its subsidiaries that it controls due to ownership of a majority voting interest and contain all adjustments, which are of a normal and recurring nature, considered necessary by management to present fairly the financial position, results of operations and cash flows for the interim periods presented.

Principles of Consolidation

Subsidiaries are fully consolidated from the date of acquisition, being the date on which the Company obtains control, and continue to be consolidated until the date when such control ceases. The financial statements of the subsidiaries are prepared for the same reporting period as the Company. All intercompany balances and transactions are eliminated.

Reclassifications

Reclassifications

Certain reclassifications have been made to prior year financial statements to conform to the current year presentation.

Recently Issued and Adopted Accounting Standards

In October 2021, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update No. 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers ("ASU 2021-08"). ASU 2021-08 requires that an acquirer recognize and measure contract assets and liabilities acquired in a business combination in accordance with FASB Accounting Standards Codification 606, Revenue from Contracts with Customers ("ASC 606"). The Company adopted ASU 2021-08 on January 1, 2023 on a prospective basis. The adoption of this ASU did not have a material impact on the Company's financial statements or related disclosures.

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Discontinued Operations (Tables)

3 Months Ended

Mar. 31, 2023

Business Combination and Asset Acquisition [Abstract]

Schedule of Discontinued Operations

The following tables present the results of the former Tank and Pump segment and the former UK Storage Solutions segment as reported in income from discontinued operations within the consolidated statements of operations, and the carrying value of the former UK Storage Solutions segment's assets and liabilities as presented within assets and liabilities held for sale on the consolidated balance sheet.

	Three Months Ended March 31, 2023
(in thousands)	UK Storage Solutions
Revenues:
Leasing and services revenue:
Leasing	$	6,389
Delivery and installation	1,802
Sales revenue:
New units	54
Rental units	449
Total revenues	8,694
Costs:
Costs of leasing and services:
Leasing	1,407
Delivery and installation	1,213
Costs of sales:
New units	38
Rental units	492
Gross profit	5,544
Expenses:
Selling, general and administrative	1,486
Other income, net	(1)
Operating income	4,059
Interest expense	56
Income from discontinued operations before income tax	4,003
Gain on sale of discontinued operations	175,708
Income tax expense from discontinued operations	45,468
Income from discontinued operations	$	134,243
Other selected data:
Adjusted EBITDA from discontinued operations	$	4,124

	Three Months Ended March 31, 2022
(in thousands)	Tank and Pump		UK Storage Solutions		Total
Revenues:
Leasing and services revenue:
Leasing	$	21,062	$	20,571	$	41,633
Delivery and installation	8,325		6,467		14,792
Sales revenue:
New units	682		128		810
Rental units	214		274		488
Total revenues	30,283		27,440		57,723
Costs:
Costs of leasing and services:
Leasing	4,307		4,237		8,544
Delivery and installation	7,011		3,924		10,935
Costs of sales:
New units	507		63		570
Rental units	95		157		252
Depreciation of rental equipment	3,530		1,138		4,668
Gross profit	14,833		17,921		32,754
Expenses:
Selling, general and administrative	6,212		6,117		12,329
Other depreciation and amortization	2,416		1,825		4,241
Currency losses, net	—		1		1
Other expense (income), net	19		(45)		(26)
Operating income	6,186		10,023		16,209
Interest expense	178		244		422
Income from discontinued operations before income tax	6,008		9,779		15,787
Income tax expense from discontinued operations	1,513		2,151		3,664
Income from discontinued operations	$	4,495	$	7,628	$	12,123
Other selected data:
Adjusted EBITDA from discontinued operations	$	11,506	$	12,544	$	24,050

	December 31, 2022
(in thousands)	UK Storage Solutions
Assets
Cash and cash equivalents	$	10,384
Trade receivables, net of allowances for doubtful accounts of $300	15,991
Inventories	3,058
Prepaid expenses and other current assets	1,787
Rental equipment, net	165,853
Property, plant and equipment, net	20,645
Operating lease assets	15,134
Goodwill	58,144
Intangible assets, net	6,414
Other non-current assets	1,832
Total assets held for sale	$	299,242
Liabilities
Accounts payable	$	4,515
Accrued expenses	3,273
Accrued employee benefits	1,009
Deferred revenue and customer deposits	6,850
Deferred tax liabilities	29,737
Operating lease liabilities	15,192
Other non-current liabilities	6,278
Total liabilities held for sale	$	66,854

For the three months ended March 31, 2022, significant operating and investing items related to the former Tank and Pump segment were as follows:

	Three Months Ended March 31,
(in thousands)	2022
Operating activities of discontinued operations:
Depreciation and amortization	$	5,946
Investing activities of discontinued operations:
Proceeds from sale of rental equipment	$	214
Purchases of rental equipment and refurbishments	$	(7,873)
Purchases of property, plant and equipment	$	(82)

The following table presents a reconciliation of Income from discontinued operations before income tax to Adjusted EBITDA from discontinued operations for the former Tank and Pump segment for the three months ended March 31, 2022. See Note 16 for further information regarding Adjusted EBITDA.

	Three Months Ended March 31,
(in thousands)	2022
Income from discontinued operations	$	4,495
Income tax expense from discontinued operations	1,513
Income from discontinued operations before income tax	6,008
Interest expense	178
Depreciation and amortization	5,946
Stock compensation expense	104
Other	(730)
Adjusted EBITDA from discontinued operations	$	11,506

For the three months ended March 31, 2023 and 2022, significant operating and investing items related to the former UK Storage Solutions segment were as follows:

	Three Months Ended March 31,
(in thousands)	2023		2022
Operating activities of discontinued operations:
Depreciation and amortization	$	—	$	2,963
Investing activities of discontinued operations:
Proceeds from sale of rental equipment	$	514	$	274
Purchases of rental equipment and refurbishments	$	(371)	$	(9,615)
Proceeds from sale of property, plant and equipment	$	8	$	255
Purchases of property, plant and equipment	$	(64)	$	(2,265)

The following table presents reconciliations of Income from discontinued operations before income tax to Adjusted EBITDA from discontinued operations for the former UK Storage Solutions segment for the three months ended March 31, 2023 and 2022, respectively. See Note 16 for further information regarding Adjusted EBITDA.

	Three Months Ended March 31,
(in thousands)	2023		2022
Income from discontinued operations	$	134,243	$	7,628
Gain on sale of discontinued operations	175,708		—
Income tax expense from discontinued operations	45,468		2,151
Income from discontinued operations before income tax and gain on sale	4,003		9,779
Interest expense	56		244
Depreciation and amortization	—		2,963
Currency losses, net	—		1
Stock compensation expense	(196)		18
Other	261		(461)
Adjusted EBITDA from discontinued operations	$	4,124	$	12,544

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Revenue (Tables)

3 Months Ended

Mar. 31, 2023

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The Company had total revenue in the following geographic areas for the three months ended March 31, as follows:

	Three Months Ended March 31,
(in thousands)	2023		2022
US	$	533,174	$	421,684
Canada	26,941		25,273
Mexico	5,353		4,214
Total revenues	$	565,468	$	451,171

The Company’s revenue by major product and service line for the three months ended March 31, was as follows:

	Three Months Ended March 31,
(in thousands)	2023		2022
Modular space leasing revenue	$	224,470	$	190,390
Portable storage leasing revenue	97,315		70,703
VAPS and third party leasing revenues(a)	94,126		75,305
Other leasing-related revenue(b)	24,040		15,161
Leasing revenue	439,951		351,559
Delivery and installation revenue	106,630		85,539
Total leasing and services revenue	546,581		437,098
New unit sales revenue	10,657		5,787
Rental unit sales revenue	8,230		8,286
Total revenues	$	565,468	$	451,171

(a)	Includes $5.6 million and $5.9 million of service revenue for the three months ended March 31, 2023 and 2022, respectively.
(b)	Includes primarily damage billings, delinquent payment charges, and other processing fees.

Schedule of Accounts Receivable Allowance for Credit Losses

Activity in the allowance for credit losses was as follows:

	Three Months Ended March 31,
(in thousands)	2023		2022
Balance at beginning of period	$	57,048	$	45,773
Provision for credit losses, net of recoveries	8,803		8,311
Write-offs	(4,537)		(7,010)
Foreign currency translation and other	88		50
Balance at end of period	$	61,402	$	47,124

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Leases (Tables)

3 Months Ended

Mar. 31, 2023

Leases [Abstract]

Schedule of Operating Lease Maturities

As of March 31, 2023, the undiscounted future lease payments for operating and finance lease liabilities were as follows:

(in thousands)	Operating		Finance
2023 (remaining)	$	46,323	$	12,694
2024	54,591		15,259
2025	45,588		14,932
2026	33,680		14,618
2027	22,750		11,372
Thereafter	57,028		20,080
Total lease payments	259,960		88,955
Less: interest	(38,970)		(9,090)
Present value of lease liabilities	$	220,990	$	79,865

Schedule of Finance Lease Maturities

As of March 31, 2023, the undiscounted future lease payments for operating and finance lease liabilities were as follows:

(in thousands)	Operating		Finance
2023 (remaining)	$	46,323	$	12,694
2024	54,591		15,259
2025	45,588		14,932
2026	33,680		14,618
2027	22,750		11,372
Thereafter	57,028		20,080
Total lease payments	259,960		88,955
Less: interest	(38,970)		(9,090)
Present value of lease liabilities	$	220,990	$	79,865

Schedule of Lease Activity

The Company’s lease activity during the three months ended March 31, 2023 and 2022 was as follows:

(in thousands)	Three Months Ended March 31,
Financial Statement Line	2023		2022
Finance Lease Expense
Amortization of finance lease assets	$	3,761	$	3,333
Interest on obligations under finance leases	759		429
Total finance lease expense	$	4,520	$	3,762
Operating Lease Expense
Fixed lease expense
Cost of leasing and services	$	420	$	825
Selling, general and administrative	15,717		14,930
Short-term lease expense
Cost of leasing and services	6,654		8,862
Selling, general and administrative	462		668
Variable lease expense
Cost of leasing and services	1,026		1,287
Selling, general and administrative	2,474		1,767
Total operating lease expense	$	26,753	$	28,339

Supplemental cash flow information related to leases for the three months ended March 31, 2023 and 2022 was as follows:

(in thousands)	Three Months Ended March 31,
Supplemental Cash Flow Information	2023		2022
Cash paid for the amounts included in the measurement of lease liabilities:
Operating cash outflows from operating leases	$	16,693	$	15,753
Operating cash outflows from finance leases	$	728	$	412
Financing cash outflows from finance leases	$	3,446	$	3,848
Right of use assets obtained in exchange for lease obligations	$	8,741	$	8,794
Assets obtained in exchange for finance leases	$	8,913	$	5,411

Weighted-Average Remaining Operating Lease Term and Weighted Average Discount Rate

Weighted average remaining operating lease terms and the weighted average discount rates as of March 31, 2023 and December 31, 2022 were as follows:

Lease Terms and Discount Rates	March 31, 2023		December 31, 2022
Weighted average remaining lease term - operating leases	5.7 years		5.8 years
Weighted average discount rate - operating leases	5.5	%	5.4	%
Weighted average remaining lease term - finance leases	5.0 years		5.1 years
Weighted average discount rate - finance leases	3.5	%	3.4	%

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Inventories (Tables)

3 Months Ended

Mar. 31, 2023

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventories at the respective balance sheet dates consisted of the following:

(in thousands)	March 31, 2023		December 31, 2022
Raw materials	$	38,827	$	38,611
Finished units	3,180		2,419
Inventories	$	42,007	$	41,030

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Rental Equipment, net (Tables)

3 Months Ended

Mar. 31, 2023

Property, Plant and Equipment [Abstract]

Schedule of Rental Equipment, Net

Rental equipment, net at the respective balance sheet dates consisted of the following:

(in thousands)	March 31, 2023		December 31, 2022
Modular space units	$	3,292,264	$	3,197,779
Portable storage units	848,982		849,193
Value added products	202,358		203,444
Total rental equipment	4,343,604		4,250,416
Less: accumulated depreciation	(1,215,543)		(1,173,129)
Rental equipment, net	$	3,128,061	$	3,077,287

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Goodwill and Intangibles (Tables)

3 Months Ended

Mar. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill Activity

Changes in the carrying amount of goodwill were as follows:

(in thousands)	Modular		Storage		Total
Balance at December 31, 2021	$	521,049	$	492,552	$	1,013,601
Effects of movements in foreign exchange rates	(2,172)		—		(2,172)
Balance at December 31, 2022	518,877		492,552		1,011,429
Effects of movements in foreign exchange rates	84		—		84
Balance at March 31, 2023	$	518,961	$	492,552	$	1,011,513

Schedule of Finite-Lived Intangible Assets

Intangible assets other than goodwill at the respective balance sheet dates consisted of the following:

	March 31, 2023
(in thousands)	Weighted average remaining life (in years)	Gross carrying amount		Accumulated amortization		Net book value
Intangible assets subject to amortization:
Mobile Mini customer relationships	5.3	$	188,000	$	(64,625)	$	123,375
Technology	3.3	1,500		(687)		813
Indefinite-lived intangible assets:
Trade name - Mobile Mini		164,000		—		164,000
Trade name - WillScot		125,000		—		125,000
Total intangible assets other than goodwill		$	478,500	$	(65,312)	$	413,188

	December 31, 2022
(in thousands)	Weighted average remaining life (in years)	Gross carrying amount		Accumulated amortization		Net book value
Intangible assets subject to amortization:
Mobile Mini customer relationships	5.5	$	188,000	$	(58,750)	$	129,250
Technology	3.5	1,500		(625)		875
Indefinite-lived intangible assets:
Trade name - Mobile Mini		164,000		—		164,000
Trade name - WillScot		125,000		—		125,000
Total intangible assets other than goodwill		$	478,500	$	(59,375)	$	419,125

Schedule of Indefinite-Lived Intangible Assets

Intangible assets other than goodwill at the respective balance sheet dates consisted of the following:

	March 31, 2023
(in thousands)	Weighted average remaining life (in years)	Gross carrying amount		Accumulated amortization		Net book value
Intangible assets subject to amortization:
Mobile Mini customer relationships	5.3	$	188,000	$	(64,625)	$	123,375
Technology	3.3	1,500		(687)		813
Indefinite-lived intangible assets:
Trade name - Mobile Mini		164,000		—		164,000
Trade name - WillScot		125,000		—		125,000
Total intangible assets other than goodwill		$	478,500	$	(65,312)	$	413,188

	December 31, 2022
(in thousands)	Weighted average remaining life (in years)	Gross carrying amount		Accumulated amortization		Net book value
Intangible assets subject to amortization:
Mobile Mini customer relationships	5.5	$	188,000	$	(58,750)	$	129,250
Technology	3.5	1,500		(625)		875
Indefinite-lived intangible assets:
Trade name - Mobile Mini		164,000		—		164,000
Trade name - WillScot		125,000		—		125,000
Total intangible assets other than goodwill		$	478,500	$	(59,375)	$	419,125

Schedule of Future Amortization of Intangible Assets

Based on the carrying value at March 31, 2023, future amortization of intangible assets is expected to be as follows for the years ended December 31:

(in thousands)
2023 (remaining)	$	17,813
2024	23,750
2025	23,750
2026	23,625
2027	23,500
Thereafter	11,750
Total	$	124,188

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Debt (Tables)

3 Months Ended

Mar. 31, 2023

Debt Disclosure [Abstract]

Schedule of Debt

The carrying value of debt outstanding at the respective balance sheet dates consisted of the following:

(in thousands, except rates)	Interest rate	Year of maturity	March 31, 2023		December 31, 2022
2025 Secured Notes	6.125%	2025	$	520,931	$	520,350
ABL Facility(a)	Varies	2027	1,795,448		1,988,176
2028 Secured Notes	4.625%	2028	493,723		493,470
Finance Leases	Varies	Varies	79,865		74,370
Total debt			2,889,967		3,076,366
Less: current portion of long-term debt			13,514		13,324
Total long-term debt			$	2,876,453	$	3,063,042

(a) As of both March 31, 2023 and December 31, 2022, the Company had no outstanding principal borrowings on the Multicurrency Facility and $2.4 million and $2.5 million, respectively, of related debt issuance costs. No related debt issuance costs were recorded as a direct offset against the principal borrowings on the Multicurrency Facility, and the $2.4 million and $2.5 million in excess of principal was included in other non-current assets on the condensed consolidated balance sheets as of March 31, 2023 and December 31, 2022, respectively.

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Equity (Tables)

3 Months Ended

Mar. 31, 2023

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The changes in accumulated other comprehensive income (loss) ("AOCI"), net of tax, for the three months ended March 31, 2023 and 2022 were as follows:

	Three Months Ended March 31, 2023
(in thousands)	Foreign currency translation		Unrealized losses on hedging activities		Total
Balance at December 31, 2022	$	(70,122)	$	—	$	(70,122)
Other comprehensive income (loss) before reclassifications	7,934		859		8,793
Reclassifications from AOCI to income	—		(1,526)		(1,526)
Balance at March 31, 2023	$	(62,188)	$	(667)	$	(62,855)

	Three Months Ended March 31, 2022
(in thousands)	Foreign currency translation		Unrealized losses on hedging activities		Total
Balance at December 31, 2021	$	(25,574)	$	(3,497)	$	(29,071)
Other comprehensive loss before reclassifications	(4,074)		(569)		(4,643)
Reclassifications from AOCI to income	—		2,890		2,890
Balance at March 31, 2022	$	(29,648)	$	(1,176)	$	(30,824)

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Derivatives (Tables)

3 Months Ended

Mar. 31, 2023

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Fair Value of Derivative Instruments Designated as Hedges in the Consolidated Balance Sheet

The location and the fair value of derivative instruments designated as hedges were as follows:

(in thousands)	Balance Sheet Location	March 31, 2023
Cash Flow Hedges:
Interest rate swap	Prepaid expenses and other current assets	$	8,646
Interest rate swap	Other non-current liabilities	$	(9,394)

The location and the fair value of the foreign currency contract was as follows:

(in thousands)	Balance Sheet Location	December 31, 2022
Foreign currency contract	Accrued liabilities	$	930

Schedule of Impact of Interest Rate Swap on Other Comprehensive Income, AOCI and Statement of Operations

The following table discloses the impact of the interest rate swaps, excluding the impact of income taxes, on other comprehensive income (“OCI”), AOCI and the Company’s statements of operations for the three months ended March 31,:

(in thousands)	2023		2022
(Loss) gain recognized in OCI	$	(641)	$	3,098
Location of gain (loss) recognized in income	Interest expense, net		Interest expense, net
(Gain) loss reclassified from AOCI into income	$	(1,526)	$	2,890

The location and the impact of the foreign currency contract, excluding the impact of income taxes, on the Company’s statement of operations for the three months ended March 31, 2023 was as follows:

(in thousands)	Income Statement Location	Three Months Ended March 31, 2023
Loss recognized in income	Currency losses, net	$	7,715

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Fair Value Measures (Tables)

3 Months Ended

Mar. 31, 2023

Fair Value Disclosures [Abstract]

Fair Value Levels Used For Measurement

The Company utilizes the suggested accounting guidance for the three levels of inputs that may be used to measure fair value:

Level 1 -	Observable inputs such as quoted prices in active markets for identical assets or liabilities;
Level 2 -	Observable inputs, other than Level 1 inputs in active markets, that are observable either directly or indirectly; and
Level 3 -	Unobservable inputs for which there is little or no market data, which require the reporting entity to develop its own assumptions

Carrying Amounts and Fair Values of Financial Assets and Liabilities

The following table shows the carrying amounts and fair values of financial liabilities which are disclosed, but not measured, at fair value, including their levels in the fair value hierarchy:

	March 31, 2023								December 31, 2022
	Carrying Amount		Fair Value						Carrying Amount		Fair Value
(in thousands)			Level 1		Level 2		Level 3				Level 1		Level 2		Level 3
ABL Facility	$	1,795,448	$	—	$	1,825,500	$	—	$	1,988,176	$	—	$	2,020,000	$	—
2025 Secured Notes	520,931		—		526,300		—		520,350		—		526,800		—
2028 Secured Notes	493,723		—		458,205		—		493,470		—		450,135		—
Total	$	2,810,102	$	—	$	2,810,005	$	—	$	3,001,996	$	—	$	2,996,935	$	—

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Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Restricted Stock Awards

The following table summarizes the Company's RSA activity for the three months ended March 31, 2023 and 2022:

	2023			2022
	Number of Shares	Weighted-Average Grant Date Fair Value		Number of Shares	Weighted-Average Grant Date Fair Value
Outstanding at beginning of period	35,244	$	37.17	36,176	$	29.30
Outstanding at end of period	35,244	$	37.17	36,176	$	29.30

Schedule of Restricted Stock Units

The following table summarizes the Company's Time-Based RSU activity for the three months ended March 31, 2023 and 2022:

	2023			2022
	Number of Shares	Weighted-Average Grant Date Fair Value		Number of Shares	Weighted-Average Grant Date Fair Value
Outstanding at beginning of period	789,779	$	26.16	997,451	$	18.54
Granted	213,388	$	50.74	357,639	$	35.53
Forfeited	(31,681)	$	33.67	(9,299)	$	27.20
Vested	(281,153)	$	22.40	(420,184)	$	16.21
Outstanding at end of period	690,333	$	34.95	925,607	$	26.08

The following table summarizes the Company's Performance-Based RSU award activity for the three months ended March 31, 2023 and 2022:

	2023			2022
	Number of Shares	Weighted-Average Grant Date Fair Value		Number of Shares	Weighted-Average Grant Date Fair Value
Outstanding at beginning of period	1,894,250	$	33.67	1,536,394	$	26.34
Granted	376,826	$	69.32	745,079	$	42.34
Forfeited	—	$	—	(5,046)	$	39.10
Vested	(181,319)	$	16.82	(267,964)	$	13.22
Outstanding at end of period	2,089,757	$	41.56	2,008,463	$	33.99

Schedule of Stock Option Awards

The following table summarizes the Company's stock option activity for the three months ended March 31, 2023:

	WillScot Options	Weighted-Average Exercise Price per Share		Converted Mobile Mini Options	Weighted-Average Exercise Price per Share
Outstanding at beginning of period	534,188	$	13.60	864,276	$	12.91
Exercised	—	—		(5,774)	11.79
Outstanding at end of period	534,188	$	13.60	858,502	$	12.92
Fully vested and exercisable options, March 31, 2023	534,188	$	13.60	858,502	$	12.92

The following table summarizes the Company's stock option activity for the three months ended March 31, 2022:

	WillScot Options	Weighted-Average Exercise Price per Share		Converted Mobile Mini Options	Weighted-Average Exercise Price per Share
Outstanding at beginning of period	534,188	$	13.60	1,527,643	$	14.66
Exercised	—	—		(227,258)	14.58
Outstanding at end of period	534,188	$	13.60	1,300,385	$	14.67
Fully vested and exercisable options, March 31, 2022	534,188	$	13.60	1,300,385	$	14.67

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Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2023

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The following tables set forth certain information regarding each of the Company’s reportable segments for the three months ended March 31, 2023 and 2022, respectively.

	Three Months Ended March 31, 2023
(in thousands)	Modular		Storage		Unallocated Costs		Total
Revenues:
Leasing and services revenue:
Leasing	$	269,271	$	170,680			$	439,951
Delivery and installation	64,821		41,809				106,630
Sales revenue:
New units	8,921		1,736				10,657
Rental units	6,657		1,573				8,230
Total revenues	349,670		215,798				565,468
Costs:
Cost of leasing and services:
Leasing	73,582		23,933				97,515
Delivery and installation	51,503		23,504				75,007
Cost of sales:
New units	5,665		543				6,208
Rental units	3,370		1,084				4,454
Depreciation of rental equipment	50,215		8,941				59,156
Gross profit	$	165,335	$	157,793			$	323,128
Other selected data:
Adjusted EBITDA	$	136,964	$	109,878	$	—	$	246,842
Selling, general and administrative expense	$	81,816	$	57,675	$	11,401	$	150,892
Purchases of rental equipment and refurbishments	$	39,412	$	7,345	$	—	$	46,757

	Three Months Ended March 31, 2022
(in thousands)	Modular		Storage		Unallocated Costs		Total
Revenues:
Leasing and services revenue:
Leasing	$	223,298	$	128,261			$	351,559
Delivery and installation	54,332		31,207				85,539
Sales revenue:
New units	4,844		943				5,787
Rental units	6,073		2,213				8,286
Total revenues	288,547		162,624				451,171
Costs:
Cost of leasing and services:
Leasing	61,330		19,004				80,334
Delivery and installation	47,906		22,674				70,580
Cost of sales:
New units	3,256		500				3,756
Rental units	3,449		1,443				4,892
Depreciation of rental equipment	50,008		7,540				57,548
Gross profit	$	122,598	$	111,463			$	234,061
Other selected data:
Adjusted EBITDA	$	99,586	$	68,187	$	—	$	167,773
Selling, general and administrative expense	$	74,638	$	51,862	$	11,644	$	138,144
Purchases of rental equipment and refurbishments	$	57,577	$	20,171	$	—	$	77,748

Reconciliation of Company’s Income from Continuing Operations to Adjusted EBITDA

The following table presents reconciliations of the Company’s income from continuing operations to Adjusted EBITDA for the three months ended March 31, 2023 and 2022, respectively:

	Three Months Ended March 31,
(in thousands)	2023		2022
Income from continuing operations	$	76,271	$	39,048
Income tax expense from continuing operations	30,510		12,083
Interest expense	44,866		30,570
Depreciation and amortization	76,329		72,910
Currency losses, net	6,775		137
Restructuring costs, lease impairment expense and other related charges	22		263
Transaction costs	—		13
Integration costs	3,873		4,087
Stock compensation expense	8,150		6,273
Other	46		2,389
Adjusted EBITDA	$	246,842	$	167,773

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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2023

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares

The following table reconciles the weighted average shares outstanding for the basic calculation to the weighted average shares outstanding for the diluted calculation:

	Three Months Ended
	March 31
(in thousands)	2023		2022
Numerator:
Income from continuing operations	$	76,271	$	39,048
Income from discontinued operations	134,613		12,123
Net income	$	210,884	$	51,171
Denominator:
Weighted average Common Shares outstanding – basic	206,092		223,491
Dilutive effect of shares outstanding
Warrants	—		1,889
RSAs	27		27
Time-based RSUs	326		483
Performance-based RSUs	2,206		1,819
Stock Options	1,013		1,246
Weighted average Common Shares outstanding – dilutive	209,664		228,956

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Acquisitions (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) blastResistantModularUnit regionalAndLocalStorageAndModularCompany	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Business Acquisition [Line Items]
Assets and liabilities acquired, number of entities | regionalAndLocalStorageAndModularCompany	2
Rental equipment, net	$ 3,128,061		$ 3,077,287
Land held-for-sale	8,924		$ 31,220
Series of Individually Immaterial Asset Acquisitions
Business Acquisition [Line Items]
Payments to acquire businesses	79,600
Rental equipment, net	70,400
Series of Individually Immaterial Asset Acquisitions | Land
Business Acquisition [Line Items]
Land held-for-sale	$ 4,500
Storage Unit | Series of Individually Immaterial Asset Acquisitions
Business Acquisition [Line Items]
Number of units in real estate property acquired | blastResistantModularUnit	300
Modular Unit | Series of Individually Immaterial Asset Acquisitions
Business Acquisition [Line Items]
Number of units in real estate property acquired | blastResistantModularUnit	500
Mobile Mini Inc and Other Asset Acquisitions
Business Acquisition [Line Items]
Integration costs	$ 3,900	$ 4,100

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Discontinued Operations - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Jan. 31, 2023	Mar. 31, 2023	Mar. 31, 2022	Sep. 30, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of discontinued operations		$ 176,078	$ 0
Tank and Pump
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on working capital adjustment	$ 400
Gain on sale of discontinued operations		176,100
Discontinued Operations, Disposed of by Sale | Tank and Pump
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale of business consideration amount				$ 321,900
Discontinued Operations, Disposed of by Sale | UK Storage Solutions
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale of business consideration amount	$ 418,100
Gain on sale of discontinued operations		$ 175,708

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Discontinued Operations - Income From Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues:
Total revenues	$ 565,468	$ 451,171
Costs of leasing and services:
Depreciation of rental equipment	59,156	57,548
Gross profit	323,128	234,061
Expenses:
Selling, general and administrative	150,892	138,144
Other depreciation and amortization	17,173	15,362
Currency losses, net	6,775	137
Other income, net	(3,359)	(1,283)
Operating income	151,647	81,701
Interest expense	44,866	30,570
Gain on sale of discontinued operations	176,078	0
Income tax expense from discontinued operations	45,468	3,664
Income from discontinued operations	134,613	12,123
Adjusted EBITDA	246,842	167,773
Tank and Pump
Expenses:
Gain on sale of discontinued operations	176,100
Total Leasing And Product And Service Revenues/Costs
Revenues:
Total revenues	565,468	451,171
Leasing Revenue
Revenues:
Leasing	439,951	351,559
Costs of leasing and services:
Leasing	97,515	80,334
New units
Revenues:
Revenues	10,657	5,787
Total revenues	10,657	5,787
Costs of leasing and services:
Cost of sales	6,208	3,756
Rental units
Revenues:
Revenues	8,230	8,286
Total revenues	8,230	8,286
Costs of leasing and services:
Cost of sales	4,454	4,892
Discontinued Operations, Disposed of by Sale
Costs of leasing and services:
Depreciation of rental equipment		4,668
Gross profit		32,754
Expenses:
Selling, general and administrative		12,329
Other depreciation and amortization		4,241
Currency losses, net		1
Other income, net		(26)
Operating income		16,209
Interest expense		422
Income from discontinued operations before income tax and gain on sale		15,787
Income tax expense from discontinued operations		3,664
Income from discontinued operations		12,123
Adjusted EBITDA		24,050
Discontinued Operations, Disposed of by Sale | Tank and Pump
Costs of leasing and services:
Depreciation of rental equipment		3,530
Gross profit		14,833
Expenses:
Selling, general and administrative		6,212
Other depreciation and amortization		2,416
Currency losses, net		0
Other income, net		19
Operating income		6,186
Interest expense		178
Income from discontinued operations before income tax and gain on sale		6,008
Income tax expense from discontinued operations		1,513
Income from discontinued operations		4,495
Adjusted EBITDA		11,506
Discontinued Operations, Disposed of by Sale | UK Storage Solutions
Costs of leasing and services:
Depreciation of rental equipment		1,138
Gross profit	5,544	17,921
Expenses:
Selling, general and administrative	1,486	6,117
Other depreciation and amortization		1,825
Currency losses, net	0	1
Other income, net	(1)	(45)
Operating income	4,059	10,023
Interest expense	56	244
Income from discontinued operations before income tax and gain on sale	4,003	9,779
Gain on sale of discontinued operations	175,708
Income tax expense from discontinued operations	45,468	2,151
Income from discontinued operations	134,243	7,628
Adjusted EBITDA	4,124	12,544
Discontinued Operations, Disposed of by Sale | Total Leasing And Product And Service Revenues/Costs
Revenues:
Total revenues		57,723
Discontinued Operations, Disposed of by Sale | Total Leasing And Product And Service Revenues/Costs | Tank and Pump
Revenues:
Total revenues		30,283
Discontinued Operations, Disposed of by Sale | Total Leasing And Product And Service Revenues/Costs | UK Storage Solutions
Revenues:
Total revenues	8,694	27,440
Discontinued Operations, Disposed of by Sale | Leasing Revenue
Revenues:
Leasing		41,633
Costs of leasing and services:
Leasing		8,544
Discontinued Operations, Disposed of by Sale | Leasing Revenue | Tank and Pump
Revenues:
Leasing		21,062
Costs of leasing and services:
Leasing		4,307
Discontinued Operations, Disposed of by Sale | Leasing Revenue | UK Storage Solutions
Revenues:
Leasing	6,389	20,571
Costs of leasing and services:
Leasing	1,407	4,237
Discontinued Operations, Disposed of by Sale | Modular Deliver and Installation
Revenues:
Revenues		14,792
Costs of leasing and services:
Cost of sales		10,935
Discontinued Operations, Disposed of by Sale | Modular Deliver and Installation | Tank and Pump
Revenues:
Revenues		8,325
Costs of leasing and services:
Cost of sales		7,011
Discontinued Operations, Disposed of by Sale | Modular Deliver and Installation | UK Storage Solutions
Revenues:
Revenues	1,802	6,467
Costs of leasing and services:
Cost of sales	1,213	3,924
Discontinued Operations, Disposed of by Sale | New units
Revenues:
Revenues		810
Costs of leasing and services:
Cost of sales		570
Discontinued Operations, Disposed of by Sale | New units | Tank and Pump
Revenues:
Revenues		682
Costs of leasing and services:
Cost of sales		507
Discontinued Operations, Disposed of by Sale | New units | UK Storage Solutions
Revenues:
Revenues	54	128
Costs of leasing and services:
Cost of sales	38	63
Discontinued Operations, Disposed of by Sale | Rental units
Revenues:
Revenues		488
Costs of leasing and services:
Cost of sales		252
Discontinued Operations, Disposed of by Sale | Rental units | Tank and Pump
Revenues:
Revenues		214
Costs of leasing and services:
Cost of sales		95
Discontinued Operations, Disposed of by Sale | Rental units | UK Storage Solutions
Revenues:
Revenues	449	274
Costs of leasing and services:
Cost of sales	$ 492	$ 157

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Discontinued Operations - Discontinued Operations Assets and Liabilities Held For Sale (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Assets
Cash and cash equivalents	$ 15,918	$ 7,390
Trade receivables, net of allowances for doubtful accounts of $300	415,344	409,766
Inventories	42,007	41,030
Prepaid expenses and other current assets	42,684	31,635
Rental equipment, net	3,128,061	3,077,287
Property, plant and equipment, net	305,608	304,659
Operating lease assets	219,926	219,405
Goodwill	1,011,513	1,011,429	$ 1,013,601
Intangible assets, net	413,188	419,125
Other non-current assets	6,578	6,683
Liabilities
Accounts payable	92,057	108,071
Accrued expenses	120,838	110,820
Accrued employee benefits	28,803	56,340
Deferred revenue and customer deposits	199,274	203,793
Deferred tax liabilities	464,798	401,453
Operating lease liabilities	169,914	169,618
Other non-current liabilities	29,100	18,537
Allowance for doubtful accounts	$ 61,402	57,048
Discontinued Operations, Disposed of by Sale | UK Storage Solutions
Assets
Cash and cash equivalents		10,384
Trade receivables, net of allowances for doubtful accounts of $300		15,991
Inventories		3,058
Prepaid expenses and other current assets		1,787
Rental equipment, net		165,853
Property, plant and equipment, net		20,645
Operating lease assets		15,134
Goodwill		58,144
Intangible assets, net		6,414
Other non-current assets		1,832
Total assets held for sale		299,242
Liabilities
Accounts payable		4,515
Accrued expenses		3,273
Accrued employee benefits		1,009
Deferred revenue and customer deposits		6,850
Deferred tax liabilities		29,737
Operating lease liabilities		15,192
Other non-current liabilities		6,278
Total liabilities held for sale		66,854
Allowance for doubtful accounts		$ 300

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Discontinued Operations - Cash Flows From Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities of discontinued operations:
Depreciation and amortization	$ 76,329	$ 81,820
Investing activities of discontinued operations:
Proceeds from sale of rental equipment	7,781	14,554
Purchase of rental equipment and refurbishments	(47,128)	(95,236)
Proceeds from the sale of property, plant and equipment	258	260
Purchase of property, plant and equipment	(6,736)	(10,481)
Discontinued Operations, Disposed of by Sale | Tank and Pump
Operating activities of discontinued operations:
Depreciation and amortization		5,946
Investing activities of discontinued operations:
Proceeds from sale of rental equipment		214
Purchase of rental equipment and refurbishments		(7,873)
Purchase of property, plant and equipment		(82)
Discontinued Operations, Disposed of by Sale | UK Storage Solutions
Operating activities of discontinued operations:
Depreciation and amortization	0	2,963
Investing activities of discontinued operations:
Proceeds from sale of rental equipment	514	274
Purchase of rental equipment and refurbishments	(371)	(9,615)
Proceeds from the sale of property, plant and equipment	8	255
Purchase of property, plant and equipment	$ (64)	$ (2,265)

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Discontinued Operations - Reconciliation of Adjusted EBITDA (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from discontinued operations	$ 134,613	$ 12,123
Gain on sale of discontinued operations	176,078	0
Income tax expense from discontinued operations	45,468	3,664
Interest expense	44,866	30,570
Currency losses, net	6,775	137
Adjusted EBITDA from discontinued operations	246,842	167,773
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from discontinued operations		12,123
Income tax expense from discontinued operations		3,664
Income from discontinued operations before income tax and gain on sale		15,787
Interest expense		422
Currency losses, net		1
Adjusted EBITDA from discontinued operations		24,050
Tank and Pump | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from discontinued operations		4,495
Income tax expense from discontinued operations		1,513
Income from discontinued operations before income tax and gain on sale		6,008
Interest expense		178
Depreciation and amortization		5,946
Currency losses, net		0
Stock compensation expense		104
Other		(730)
Adjusted EBITDA from discontinued operations		11,506
UK Storage Solutions | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from discontinued operations	134,243	7,628
Gain on sale of discontinued operations	175,708	0
Income tax expense from discontinued operations	45,468	2,151
Income from discontinued operations before income tax and gain on sale	4,003	9,779
Interest expense	56	244
Depreciation and amortization	0	2,963
Currency losses, net	0	1
Stock compensation expense	(196)	18
Other	261	(461)
Adjusted EBITDA from discontinued operations	$ 4,124	$ 12,544

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Revenue - Revenue Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Total revenues	$ 565,468	$ 451,171
Modular Leasing
Disaggregation of Revenue [Line Items]
Total revenues	439,951	351,559
Modular space leasing revenue
Disaggregation of Revenue [Line Items]
Total revenues	224,470	190,390
Portable storage leasing revenue
Disaggregation of Revenue [Line Items]
Total revenues	97,315	70,703
VAPS and third party leasing revenues
Disaggregation of Revenue [Line Items]
Total revenues	94,126	75,305
Other leasing-related revenue
Disaggregation of Revenue [Line Items]
Total revenues	24,040	15,161
Total leasing and services revenue
Disaggregation of Revenue [Line Items]
Total revenues	546,581	437,098
Delivery and installation revenue
Disaggregation of Revenue [Line Items]
Total revenues	106,630	85,539
New unit sales revenue
Disaggregation of Revenue [Line Items]
Total revenues	10,657	5,787
Rental unit sales revenue
Disaggregation of Revenue [Line Items]
Total revenues	8,230	8,286
VAPS service
Disaggregation of Revenue [Line Items]
Total revenues	5,600	5,900
US
Disaggregation of Revenue [Line Items]
Total revenues	533,174	421,684
Canada
Disaggregation of Revenue [Line Items]
Total revenues	26,941	25,273
Mexico
Disaggregation of Revenue [Line Items]
Total revenues	$ 5,353	$ 4,214

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Revenue - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Recognition of previously deferred revenue for removal services for lease transactions and advance billings for sale transactions	$ 27.7
Deferred revenue for removal services for lease transactions and advance billings for sale transactions	$ 99.0		$ 102.2
Modular Leasing | Revenues | Revenue Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk percentage	77.00%	77.00%

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Revenue - Rollforward of Accounts and Notes Receivable, Allowance (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 57,048	$ 45,773
Provision for credit losses, net of recoveries	8,803	8,311
Write-offs	(4,537)	(7,010)
Foreign currency translation and other	88	50
Balance at end of period	$ 61,402	$ 47,124

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Leases - Lease Maturity (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Operating
2023 (remaining)	$ 46,323
2024	54,591
2025	45,588
2026	33,680
2027	22,750
Thereafter	57,028
Total lease payments	259,960
Less: interest	(38,970)
Present value of lease liabilities	220,990
Finance
2023 (remaining)	12,694
2024	15,259
2025	14,932
2026	14,618
2027	11,372
Thereafter	20,080
Total lease payments	88,955
Less: interest	(9,090)
Present value of lease liabilities	$ 79,865	$ 74,370
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Current portion of long-term debt
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Total long-term debt

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Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Finance Lease Expense
Amortization of finance lease assets	$ 3,761	$ 3,333
Interest on obligations under finance leases	759	429
Total finance lease expense	4,520	3,762
Operating Lease Expense
Total operating lease expense	26,753	28,339
Cost of leasing and services
Operating Lease Expense
Fixed lease expense	420	825
Short-term lease expense	6,654	8,862
Variable lease expense	1,026	1,287
Selling, general and administrative
Operating Lease Expense
Fixed lease expense	15,717	14,930
Short-term lease expense	462	668
Variable lease expense	$ 2,474	$ 1,767

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Leases - Supplemental Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash paid for the amounts included in the measurement of lease liabilities:
Operating cash outflows from operating leases	$ 16,693	$ 15,753
Operating cash outflows from finance leases	728	412
Financing cash outflows from finance leases	3,446	3,848
Right of use assets obtained in exchange for lease obligations	8,741	8,794
Right-Of-Use Asset Obtained In Exchange For Finance Lease Liability, Continuing Operations	8,913	5,411
Assets obtained in exchange for finance leases	$ 8,907	$ 7,011

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Leases - Lease Terms and Discount Rates (Details)	Mar. 31, 2023	Dec. 31, 2022
Leases [Abstract]
Weighted average remaining lease term - operating leases	5 years 8 months 12 days	5 years 9 months 18 days
Weighted average discount rate - operating leases	5.50%	5.40%
Weighted average remaining lease term - finance leases	5 years	5 years 1 month 6 days
Weighted average discount rate - finance leases	3.50%	3.40%

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Inventories - Schedule of Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Inventory Disclosure [Abstract]
Raw materials	$ 38,827	$ 38,611
Finished units	3,180	2,419
Inventories	$ 42,007	$ 41,030

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Rental Equipment, net (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Total rental equipment	$ 4,343,604	$ 4,250,416
Less: accumulated depreciation	(1,215,543)	(1,173,129)
Rental equipment, net	3,128,061	3,077,287
Modular space units
Property, Plant and Equipment [Line Items]
Total rental equipment	3,292,264	3,197,779
Portable storage units
Property, Plant and Equipment [Line Items]
Total rental equipment	848,982	849,193
Value added products
Property, Plant and Equipment [Line Items]
Total rental equipment	$ 202,358	$ 203,444

XML

Goodwill and Intangibles - Goodwill Activity (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Goodwill [Roll Forward]
Goodwill, beginning of period	$ 1,011,429	$ 1,013,601
Effects of movements in foreign exchange rates	84	(2,172)
Goodwill, end of period	1,011,513	1,011,429
Modular
Goodwill [Roll Forward]
Goodwill, beginning of period	518,877	521,049
Effects of movements in foreign exchange rates	84	(2,172)
Goodwill, end of period	518,961	518,877
Storage
Goodwill [Roll Forward]
Goodwill, beginning of period	492,552	492,552
Effects of movements in foreign exchange rates	0	0
Goodwill, end of period	$ 492,552	$ 492,552

XML

Goodwill and Intangibles - Narrative (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill impairment loss	$ 0		$ 0
Amortization expense for intangible assets	$ 5,900,000	$ 5,900,000

XML

Goodwill and Intangibles - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Intangible assets subject to amortization:
Accumulated amortization	$ (65,312)	$ (59,375)
Net book value	124,188
Intangible Assets, Net (Including Goodwill) [Abstract]
Gross carrying amount	478,500	478,500
Accumulated amortization	(65,312)	(59,375)
Net book value	413,188	419,125
Trade name - Mobile Mini
Indefinite-Lived Intangible Assets (Excluding Goodwill) [Abstract]
Gross carrying amount	164,000	164,000
Trade name - WillScot
Indefinite-Lived Intangible Assets (Excluding Goodwill) [Abstract]
Gross carrying amount	$ 125,000	$ 125,000
Mobile Mini customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted average remaining life (in years)	5 years 3 months 18 days	5 years 6 months
Intangible assets subject to amortization:
Gross carrying amount	$ 188,000	$ 188,000
Accumulated amortization	(64,625)	(58,750)
Net book value	123,375	129,250
Intangible Assets, Net (Including Goodwill) [Abstract]
Accumulated amortization	$ (64,625)	$ (58,750)
Technology
Finite-Lived Intangible Assets [Line Items]
Weighted average remaining life (in years)	3 years 3 months 18 days	3 years 6 months
Intangible assets subject to amortization:
Gross carrying amount	$ 1,500	$ 1,500
Accumulated amortization	(687)	(625)
Net book value	813	875
Intangible Assets, Net (Including Goodwill) [Abstract]
Accumulated amortization	$ (687)	$ (625)

XML

Goodwill and Intangibles - Future Amortization (Details) $ in Thousands	Mar. 31, 2023 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
2023 (remaining)	$ 17,813
2024	23,750
2025	23,750
2026	23,625
2027	23,500
Thereafter	11,750
Net book value	$ 124,188

XML

Debt - Carrying Value of Debt Outstanding (Details) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Finance Leases	$ 79,865,000	$ 74,370,000
Total debt	2,889,967,000	3,076,366,000
Less: current portion of long-term debt	13,514,000	13,324,000
Total long-term debt	$ 2,876,453,000	$ 3,063,042,000
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Total long-term debt	Total long-term debt
Senior Notes | 2025 Secured Notes
Debt Instrument [Line Items]
Interest rate	6.125%
Long-term debt	$ 520,931,000	$ 520,350,000
Unamortized debt issuance costs	$ 5,600,000	6,200,000
Senior Notes | 2028 Secured Notes
Debt Instrument [Line Items]
Interest rate	4.625%
Long-term debt	$ 493,723,000	493,470,000
Unamortized debt issuance costs	6,300,000	6,500,000
Line of Credit | ABL Facility - Multicurrency Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt	1,795,448,000	1,988,176,000
Outstanding principal	0	0
Unamortized debt issuance costs	$ 2,400,000	$ 2,500,000

XML

Debt - Narrative (Details) - USD ($)		3 Months Ended
	Jan. 07, 2022	Mar. 31, 2023	Dec. 31, 2022	Jun. 30, 2022	Jul. 01, 2020
Debt Instrument [Line Items]
Present value of lease liabilities		$ 79,865,000	$ 74,370,000
Asset Based Liability Facility Due 2027 | Line of Credit
Debt Instrument [Line Items]
Credit spread	0.10%
Asset Based Liability Facility Due 2027 | Line of Credit | SOFR And Canadian BA Rate
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%
Asset Based Liability Facility Due 2027 | Line of Credit | Base Rate And Canadian BA Rate
Debt Instrument [Line Items]
Debt instrument, variable rate, step down percentage	0.25%
Debt instrument, variable rate, step up percentage	0.25%
Asset Based Liability Facility Due 2027 | Line of Credit | Base Rate And Canadian BA Rate | Canada, Dollars
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
ABL Facility | Line of Credit
Debt Instrument [Line Items]
Unamortized debt issuance costs			31,800,000
Revolving Credit Facility | 2020 ABL Facility | Line of Credit
Debt Instrument [Line Items]
Line of credit facility					$ 2,400,000,000
Revolving Credit Facility | 2020 ABL Facility - US Facility | Line of Credit
Debt Instrument [Line Items]
Line of credit facility					2,000,000,000
Revolving Credit Facility | 2020 ABL Facility - Multicurrency Facility | Line of Credit
Debt Instrument [Line Items]
Line of credit facility					$ 400,000,000
Outstanding principal		0	0
Unamortized debt issuance costs		2,400,000	$ 2,500,000
Revolving Credit Facility | Asset Based Liability Facility Due 2027 | Line of Credit
Debt Instrument [Line Items]
Line of credit facility		$ 3,000,000,000		$ 3,700,000,000
Commitment fee	0.20%
Weighted average interest rate for borrowings		6.52%
Available borrowing capacity		$ 1,100,000,000
Letters of credit amount outstanding		14,400,000
Outstanding principal		1,800,000,000
Revolving Credit Facility | Asset Based Liability Facility Due 2027 - US Facility | Line of Credit
Debt Instrument [Line Items]
Line of credit facility				3,300,000,000
Available borrowing capacity		972,500,000
Revolving Credit Facility | Asset Based Liability Facility Due 2027 - Multicurrency Facility | Line of Credit
Debt Instrument [Line Items]
Line of credit facility				$ 400,000,000
Available borrowing capacity		162,000,000
Revolving Credit Facility | ABL Facility | Line of Credit
Debt Instrument [Line Items]
Unamortized debt issuance costs		30,100,000
Letter of Credit | Asset Based Liability Facility Due 2027 | Line of Credit
Debt Instrument [Line Items]
Line of credit facility		$ 205,600,000
Commitment fee		1.625%
Swingline Loans | Asset Based Liability Facility Due 2027 | Line of Credit
Debt Instrument [Line Items]
Line of credit facility		$ 200,500,000

XML

Equity - Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Jul. 31, 2022
Subsidiary, Sale of Stock [Line Items]
Issuance of common stock from the exercise of options and warrants (in shares)	360,725
Authorized share repurchase program			$ 1,000,000,000
Shares repurchased (in shares)	4,589,308
Shares repurchased	$ 215,700,000
Remaining authorized share repurchase program	415,100,000
Reclassifications to consolidated statement of operations	1,526,000	$ (2,890,000)
Reclassifications to consolidated statement of operations, tax (benefit) expense	(400,000)	700,000
Unrealized losses on hedging activities
Subsidiary, Sale of Stock [Line Items]
Reclassifications to consolidated statement of operations	1,526,000	(2,890,000)
Interest rate swap | Unrealized losses on hedging activities
Subsidiary, Sale of Stock [Line Items]
Reclassifications to consolidated statement of operations	$ 1,500,000	$ (2,900,000)

XML

Equity - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 1,565,300	$ 1,996,763
Other comprehensive income (loss) before reclassifications	8,793	(4,643)
Reclassifications from AOCI to income	(1,526)	2,890
Ending balance	1,563,924	1,966,185
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(70,122)	(29,071)
Ending balance	(62,855)	(30,824)
Foreign currency translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(70,122)	(25,574)
Other comprehensive income (loss) before reclassifications	7,934	(4,074)
Reclassifications from AOCI to income	0	0
Ending balance	(62,188)	(29,648)
Unrealized losses on hedging activities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	0	(3,497)
Other comprehensive income (loss) before reclassifications	859	(569)
Reclassifications from AOCI to income	(1,526)	2,890
Ending balance	$ (667)	$ (1,176)

XML

Income Taxes - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Tax Disclosure [Abstract]
Income tax expense from continuing operations	$ 30.5	$ 12.1
Effective tax rate	28.60%	23.70%

XML

Derivatives - Narrative (Details)	Mar. 31, 2023	Jan. 31, 2023 USD ($) derivativeAgreement Rate	Dec. 31, 2022 USD ($)	Dec. 31, 2018 USD ($)
Interest rate swap
Derivative Instruments, Gain (Loss) [Line Items]
Notational amount		$ 750,000,000		$ 400,000,000
Fixed rate		3.44%		3.06%
Derivative, number of instruments held | derivativeAgreement		2
Receive rate	4.79%
Foreign currency contract
Derivative Instruments, Gain (Loss) [Line Items]
Notational amount			$ 330,000,000
Exchange rate | Rate		120.50%
Foreign currency contract | Maximum
Derivative Instruments, Gain (Loss) [Line Items]
Price range			1.20550
Foreign currency contract | Minimum
Derivative Instruments, Gain (Loss) [Line Items]
Price range			1.20440

XML

Derivatives - Location and Fair Value of Derivative Instruments Designated as Hedges in the Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Interest rate swap
Derivative [Line Items]
Prepaid expenses and other current assets	$ 8,646
Other non-current liabilities	$ (9,394)
Foreign currency contract
Derivative [Line Items]
Prepaid expenses and other current assets		$ 930

XML

Derivatives - Impact of Interest Rate Swap (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Interest rate swap
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in OCI	$ (641)	$ 3,098
Interest rate swap | Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
(Gain) loss reclassified from AOCI into income	(1,526)	$ 2,890
Foreign currency contract
Derivative Instruments, Gain (Loss) [Line Items]
(Loss) gain recognized in OCI	$ 7,715

XML

Fair Value Measures - Carrying Amounts and Fair Values of Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total	$ 2,810,102	$ 3,001,996
Fair Value | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total	0	0
Fair Value | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total	2,810,005	2,996,935
Fair Value | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total	0	0
ABL Facility | Carrying Amount | Line of Credit
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	1,795,448	1,988,176
ABL Facility | Fair Value | Level 1 | Line of Credit
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	0	0
ABL Facility | Fair Value | Level 2 | Line of Credit
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	1,825,500	2,020,000
ABL Facility | Fair Value | Level 3 | Line of Credit
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	0	0
2025 Secured Notes | Carrying Amount | Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	520,931	520,350
2025 Secured Notes | Fair Value | Level 1 | Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	0	0
2025 Secured Notes | Fair Value | Level 2 | Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	526,300	526,800
2025 Secured Notes | Fair Value | Level 3 | Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	0	0
2028 Secured Notes | Carrying Amount | Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	493,723	493,470
2028 Secured Notes | Fair Value | Level 1 | Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	0	0
2028 Secured Notes | Fair Value | Level 2 | Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	458,205	450,135
2028 Secured Notes | Fair Value | Level 3 | Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt	$ 0	$ 0

XML

Fair Value Measures - Narrative (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
ABL Facility | Line of Credit
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Unamortized debt issuance costs		$ 31.8
2025 Secured Notes | Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Unamortized debt issuance costs	$ 5.6	6.2
2028 Secured Notes | Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Unamortized debt issuance costs	6.3	$ 6.5
Revolving Credit Facility | ABL Facility | Line of Credit
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Unamortized debt issuance costs	$ 30.1

XML

Stock-Based Compensation - Restricted Stock Award Activity (Details) - Restricted Stock Awards - $ / shares	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022
Number of Shares
Outstanding beginning balance (in shares)	35,244	36,176	36,176
Outstanding ending balance (in shares)	35,244	35,244	36,176
Weighted-Average Grant Date Fair Value
Outstanding beginning balance (in USD per share)	$ 37.17	$ 29.30	$ 29.30
Outstanding ending balance (in USD per share)	$ 37.17	$ 37.17	$ 29.30

XML

Stock-Based Compensation - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Restricted Stock Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense	$ 0.3	$ 0.3
Unrecognized compensation expense for awards	$ 0.2
Unrecognized compensation expense, period for recognition	2 months 12 days
Time-Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense	$ 1.8	2.2
Unrecognized compensation expense for awards	$ 21.6
Unrecognized compensation expense, period for recognition	2 years 8 months 12 days
Performance-Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense	$ 5.8	3.8
Unrecognized compensation expense for awards	$ 56.2
Unrecognized compensation expense, period for recognition	2 years 1 month 6 days
Performance-Based Restricted Stock Units | Awards Granted 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
TSR payout percentage, minimum	0.00%
TSR payout percentage, maximum	200.00%
TSR payout percentage, target	100.00%
TSR, target	50.00%
TSR, minimum	25.00%
TSR, maximum	85.00%
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		$ 0.2

XML

Stock-Based Compensation - Time-Based RSU Award Activity (Details) - Time-Based Restricted Stock Units - $ / shares	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Number of Shares
Outstanding beginning balance (in shares)	789,779	997,451
Granted (in shares)	213,388	357,639
Forfeited (in shares)	(31,681)	(9,299)
Vested (in shares)	(281,153)	(420,184)
Outstanding ending balance (in shares)	690,333	925,607
Weighted-Average Grant Date Fair Value
Outstanding beginning balance (in USD per share)	$ 26.16	$ 18.54
Granted (in USD per share)	50.74	35.53
Forfeited (in USD per share)	33.67	27.20
Vested (in USD per share)	22.40	16.21
Outstanding ending balance (in USD per share)	$ 34.95	$ 26.08

XML

Stock-Based Compensation - Performance-Based RSU Award Activity (Details) - Performance-Based Restricted Stock Units - $ / shares	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Number of Shares
Outstanding beginning balance (in shares)	1,894,250	1,536,394
Granted (in shares)	376,826	745,079
Forfeited (in shares)	0	(5,046)
Vested (in shares)	(181,319)	(267,964)
Outstanding ending balance (in shares)	2,089,757	2,008,463
Weighted-Average Grant Date Fair Value
Outstanding beginning balance (in USD per share)	$ 33.67	$ 26.34
Granted (in USD per share)	69.32	42.34
Forfeited (in USD per share)	0	39.10
Vested (in USD per share)	16.82	13.22
Outstanding ending balance (in USD per share)	$ 41.56	$ 33.99

XML

Stock-Based Compensation - Stock Option Activity (Details) - $ / shares	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
WillScot Options
Options
Outstanding beginning balance (in shares)	534,188	534,188
Exercised (in shares)	0	0
Outstanding ending balance (in shares)	534,188	534,188
Weighted-Average Exercise Price per Share
Outstanding beginning balance (in USD per share)	$ 13.60	$ 13.60
Exercised (in USD per share)	0	0
Outstanding ending balance (in USD per share)	$ 13.60	$ 13.60
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Vested and exercisable stock options (in shares)	534,188	534,188
Vested and exercisable stock options, weighted-average exercise price per share (in USD per share)	$ 13.60	$ 13.60
Converted Mobile Mini Options
Options
Outstanding beginning balance (in shares)	864,276	1,527,643
Exercised (in shares)	(5,774)	(227,258)
Outstanding ending balance (in shares)	858,502	1,300,385
Weighted-Average Exercise Price per Share
Outstanding beginning balance (in USD per share)	$ 12.91	$ 14.66
Exercised (in USD per share)	11.79	14.58
Outstanding ending balance (in USD per share)	$ 12.92	$ 14.67
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Vested and exercisable stock options (in shares)	858,502	1,300,385
Vested and exercisable stock options, weighted-average exercise price per share (in USD per share)	$ 12.92	$ 14.67

XML

Segment Reporting - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) segment	Mar. 31, 2022 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	2
Total revenues	$ 565,468	$ 451,171
Gross Profit	$ 323,128	234,061
Storage | Ground Level Office Businesses, Transferred from Modular Segment to Storage Segment
Segment Reporting Information [Line Items]
Total revenues		11,100
Gross Profit		$ 6,300

XML

Segment Reporting - Segment Reporting and Geographic Areas (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenues:
Total revenues	$ 565,468	$ 451,171
Costs:
Depreciation of rental equipment	59,156	57,548
Gross profit	323,128	234,061
Other selected data:
Adjusted EBITDA	246,842	167,773
Selling, general and administrative expense	150,892	138,144
Purchases of rental equipment and refurbishments	46,757	77,748
Total revenues
Revenues:
Total revenues	565,468	451,171
Leasing
Revenues:
Leasing	439,951	351,559
Costs:
Leasing	97,515	80,334
Delivery and installation revenue
Revenues:
Revenues	106,630	85,539
Total revenues	106,630	85,539
Costs:
Cost of sales	75,007	70,580
New units
Revenues:
Revenues	10,657	5,787
Total revenues	10,657	5,787
Costs:
Cost of sales	6,208	3,756
Rental units
Revenues:
Revenues	8,230	8,286
Total revenues	8,230	8,286
Costs:
Cost of sales	4,454	4,892
Unallocated Costs
Other selected data:
Adjusted EBITDA	0	0
Selling, general and administrative expense	11,401	11,644
Purchases of rental equipment and refurbishments	0	0
Modular | Operating Segments
Costs:
Depreciation of rental equipment	50,215	50,008
Gross profit	165,335	122,598
Other selected data:
Adjusted EBITDA	136,964	99,586
Selling, general and administrative expense	81,816	74,638
Purchases of rental equipment and refurbishments	39,412	57,577
Modular | Operating Segments | Total revenues
Revenues:
Total revenues	349,670	288,547
Modular | Operating Segments | Leasing
Revenues:
Leasing	269,271	223,298
Costs:
Leasing	73,582	61,330
Modular | Operating Segments | Delivery and installation revenue
Revenues:
Revenues	64,821	54,332
Costs:
Cost of sales	51,503	47,906
Modular | Operating Segments | New units
Revenues:
Revenues	8,921	4,844
Costs:
Cost of sales	5,665	3,256
Modular | Operating Segments | Rental units
Revenues:
Revenues	6,657	6,073
Costs:
Cost of sales	3,370	3,449
Storage | Operating Segments
Costs:
Depreciation of rental equipment	8,941	7,540
Gross profit	157,793	111,463
Other selected data:
Adjusted EBITDA	109,878	68,187
Selling, general and administrative expense	57,675	51,862
Purchases of rental equipment and refurbishments	7,345	20,171
Storage | Operating Segments | Total revenues
Revenues:
Total revenues	215,798	162,624
Storage | Operating Segments | Leasing
Revenues:
Leasing	170,680	128,261
Costs:
Leasing	23,933	19,004
Storage | Operating Segments | Delivery and installation revenue
Revenues:
Revenues	41,809	31,207
Costs:
Cost of sales	23,504	22,674
Storage | Operating Segments | New units
Revenues:
Revenues	1,736	943
Costs:
Cost of sales	543	500
Storage | Operating Segments | Rental units
Revenues:
Revenues	1,573	2,213
Costs:
Cost of sales	$ 1,084	$ 1,443

XML

Segment Reporting - Reconciliation of Adjusted EBITDA (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Segment Reporting Information [Line Items]
Income from continuing operations	$ 76,271	$ 39,048
Income tax expense from continuing operations	30,510	12,083
Interest expense	44,866	30,570
Currency losses, net	6,775	137
Adjusted EBITDA	246,842	167,773
Continuing Operations
Segment Reporting Information [Line Items]
Income from continuing operations	76,271	39,048
Income tax expense from continuing operations	30,510	12,083
Interest expense	44,866	30,570
Depreciation and amortization	76,329	72,910
Currency losses, net	6,775	137
Restructuring costs, lease impairment expense and other related charges	22	263
Transaction costs	0	13
Integration costs	3,873	4,087
Stock compensation expense	8,150	6,273
Other	46	2,389
Adjusted EBITDA	$ 246,842	$ 167,773

XML

Earnings Per Share - Reconciliation of Weighted Average Shares Outstanding (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Numerator:
Income from continuing operations	$ 76,271	$ 39,048
Income from discontinued operations	134,613	12,123
Income from continuing operations	210,884	51,171
Net income	$ 210,884	$ 51,171
Denominator:
Weighted average Common Shares outstanding - basic (in shares)	206,092,169	223,490,912
Warrants (in shares)	0	1,889,000
Weighted average Common Shares outstanding - dilutive (in shares)	209,663,985	228,955,504
RSAs
Denominator:
Awards (in shares)	27,000	27,000
Time-based RSUs
Denominator:
Awards (in shares)	326,000	483,000
Performance-based RSUs
Denominator:
Awards (in shares)	2,206,000	1,819,000
Stock Options
Denominator:
Awards (in shares)	1,013,000	1,246,000

XML

Earnings Per Share - Narrative (Details)	3 Months Ended
	Mar. 31, 2022 shares
Performance-Based Restricted Stock Units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Securities excluded from computation of diluted earnings per share because their effect would have been anti-dilutive (in shares)	555,790