WSC

SEC source: 0001104659-22-031102 · tm228535-5_4seq1.xml · nonDerivative · entry 2

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,971

SEC source: 0001104659-22-031102 · tm228535-5_4seq1.xml · nonDerivative · entry 1

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,248

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

SEC source: 0001104659-22-031099 · tm228535-4_4seq1.xml · derivative · entry 5

Lopez Hezron T. · CIK 0001581557 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,477

Underlying: Common Stock · 2,206 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F2 · derivative.exercise_date: On March 3, 2021, the Reporting Person was granted 8,824 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

F2 · derivative.expiration_date: On March 3, 2021, the Reporting Person was granted 8,824 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001104659-22-031099 · tm228535-4_4seq1.xml · nonDerivative · entry 2

Lopez Hezron T. · CIK 0001581557 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,812

SEC source: 0001104659-22-031099 · tm228535-4_4seq1.xml · nonDerivative · entry 1

Lopez Hezron T. · CIK 0001581557 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,793

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

SEC source: 0001104659-22-031097 · tm228535-3_4seq1.xml · derivative · entry 5

Boswell Timothy D · CIK 0001723491 · President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 347,868

Underlying: Common Stock · 5,147 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F2 · derivative.exercise_date: On March 3, 2021, the Reporting Person was granted 20,588 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

F2 · derivative.expiration_date: On March 3, 2021, the Reporting Person was granted 20,588 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001104659-22-031097 · tm228535-3_4seq1.xml · nonDerivative · entry 2

Boswell Timothy D · CIK 0001723491 · President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,956

SEC source: 0001104659-22-031097 · tm228535-3_4seq1.xml · nonDerivative · entry 1

Boswell Timothy D · CIK 0001723491 · President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 79,244

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

SEC source: 0001104659-22-031096 · tm228535-2_4seq1.xml · derivative · entry 5

Soultz Bradley Lee · CIK 0001723486 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 274,484

Underlying: Common Stock · 12,867 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F2 · derivative.exercise_date: On March 3, 2021, the Reporting Person was granted 51,741 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

F2 · derivative.expiration_date: On March 3, 2021, the Reporting Person was granted 51,741 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001104659-22-031096 · tm228535-2_4seq1.xml · nonDerivative · entry 2

Soultz Bradley Lee · CIK 0001723486 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 221,531

SEC source: 0001104659-22-031096 · tm228535-2_4seq1.xml · nonDerivative · entry 1

Soultz Bradley Lee · CIK 0001723486 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 227,251

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

SEC source: 0001104659-22-031095 · tm228535-1_4seq1.xml · derivative · entry 3

Miner Christopher J · CIK 0001439283 · EVP, CLO & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,388

Underlying: Common Stock · 2,206 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F2 · derivative.exercise_date: On March 3, 2021, the Reporting Person was granted 8,824 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

F2 · derivative.expiration_date: On March 3, 2021, the Reporting Person was granted 8,824 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan and the Restricted Stock Unit Award Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001104659-22-031095 · tm228535-1_4seq1.xml · nonDerivative · entry 2

Miner Christopher J · CIK 0001439283 · EVP, CLO & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,584

SEC source: 0001104659-22-031095 · tm228535-1_4seq1.xml · nonDerivative · entry 1

Miner Christopher J · CIK 0001439283 · EVP, CLO & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,565

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

SEC source: 0001104659-22-030007 · tm228235-5_4seq1.xml · derivative · entry 2

Lopez Hezron T. · CIK 0001581557 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,683

Underlying: Common Stock · 7,881 shares

Expires not disclosed

F2 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F4 · derivative.exercise_date: On March 1, 2022, the Reporting Person was granted 7,881 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed Plan and the Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

F4 · derivative.expiration_date: On March 1, 2022, the Reporting Person was granted 7,881 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed Plan and the Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001104659-22-030007 · tm228235-5_4seq1.xml · derivative · entry 1

Lopez Hezron T. · CIK 0001581557 · Chief Human Resources Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,113

Underlying: Common Stock · 28,708 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance-based restricted stock unit ("PSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F3 · derivative.exercise_date: On March 1, 2022, the Reporting Person was granted 28,708 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P 400 Index at the grant date over the performance of three years subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

F3 · derivative.expiration_date: On March 1, 2022, the Reporting Person was granted 28,708 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P 400 Index at the grant date over the performance of three years subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001104659-22-030003 · tm228235-4_4seq1.xml · derivative · entry 2

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,542

Underlying: Common Stock · 2,463 shares

Expires not disclosed

F2 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F4 · derivative.exercise_date: On March 1, 2022, the Reporting Person was granted 2,463 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed Plan and the Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

F4 · derivative.expiration_date: On March 1, 2022, the Reporting Person was granted 2,463 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed Plan and the Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001104659-22-030003 · tm228235-4_4seq1.xml · derivative · entry 1

Shanks Sally J · CIK 0001723497 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,284

Underlying: Common Stock · 13,369 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance-based restricted stock unit ("PSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F3 · derivative.exercise_date: On March 1, 2022, the Reporting Person was granted 13,369 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P 400 Index at the grant date over the performance of three years subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

F3 · derivative.expiration_date: On March 1, 2022, the Reporting Person was granted 13,369 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P 400 Index at the grant date over the performance of three years subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001104659-22-030001 · tm228235-3_4seq1.xml · derivative · entry 2

Miner Christopher J · CIK 0001439283 · EVP, CLO, Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 19,594

Underlying: Common Stock · 5,910 shares

Expires not disclosed

F2 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F4 · derivative.exercise_date: On March 1, 2022, the Reporting Person was granted 5,910 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed Plan and the Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

F4 · derivative.expiration_date: On March 1, 2022, the Reporting Person was granted 5,910 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed Plan and the Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001104659-22-030001 · tm228235-3_4seq1.xml · derivative · entry 1

Miner Christopher J · CIK 0001439283 · EVP, CLO, Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,188

Underlying: Common Stock · 22,235 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance-based restricted stock unit ("PSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F3 · derivative.exercise_date: On March 1, 2022, the Reporting Person was granted 22,235 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P 400 Index at the grant date over the performance of three years subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

F3 · derivative.expiration_date: On March 1, 2022, the Reporting Person was granted 22,235 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P 400 Index at the grant date over the performance of three years subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001104659-22-030000 · tm228235-2_4seq1.xml · derivative · entry 2

Soultz Bradley Lee · CIK 0001723486 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 287,351

Underlying: Common Stock · 37,996 shares

Expires not disclosed

F2 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F4 · derivative.exercise_date: On March 1, 2022, the Reporting Person was granted 37,996 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed Plan and the Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

F4 · derivative.expiration_date: On March 1, 2022, the Reporting Person was granted 37,996 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed Plan and the Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001104659-22-030000 · tm228235-2_4seq1.xml · derivative · entry 1

Soultz Bradley Lee · CIK 0001723486 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 476,978

Underlying: Common Stock · 88,657 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance-based restricted stock unit ("PSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F3 · derivative.exercise_date: On March 1, 2022, the Reporting Person was granted 88,657 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P 400 Index at the grant date over the performance of three years subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

F3 · derivative.expiration_date: On March 1, 2022, the Reporting Person was granted 88,657 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P 400 Index at the grant date over the performance of three years subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001104659-22-029998 · tm228235-1_4seq1.xml · derivative · entry 2

Boswell Timothy D · CIK 0001723491 · President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 353,015

Underlying: Common Stock · 15,198 shares

Expires not disclosed

F2 · derivative.exercise_price: Each time-based restricted stock unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F4 · derivative.exercise_date: On March 1, 2022, the Reporting Person was granted 15,198 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed Plan and the Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

F4 · derivative.expiration_date: On March 1, 2022, the Reporting Person was granted 15,198 RSUs which vest in four equal installments on each of the first four anniversaries of the grant date subject to the terms and conditions of the previously disclosed Plan and the Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001104659-22-029998 · tm228235-1_4seq1.xml · derivative · entry 1

Boswell Timothy D · CIK 0001723491 · President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 188,969

Underlying: Common Stock · 35,463 shares

Expires not disclosed

F1 · derivative.exercise_price: Each performance-based restricted stock unit ("PSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, par value $0.0001 per share, or its cash equivalent.

F3 · derivative.exercise_date: On March 1, 2022, the Reporting Person was granted 35,463 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P 400 Index at the grant date over the performance of three years subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

F3 · derivative.expiration_date: On March 1, 2022, the Reporting Person was granted 35,463 PSUs which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P 400 Index at the grant date over the performance of three years subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Performance-Based Restricted Stock Unit Agreement entered into between the Issuer and the Reporting Person.

SEC source: 0001104659-23-017784 · tm236238-2_5seq1.xml · nonDerivative · entry 5

Soultz Bradley Lee · CIK 0001723486 · Director · Chief Executive Officer,

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

F2 · shares: The Reporting Person made a transfer to an irrevocable trust, of which immediate family members of the Reporting Person are the sole trustees.

SEC source: 0001104659-23-017784 · tm236238-2_5seq1.xml · nonDerivative · entry 4

Soultz Bradley Lee · CIK 0001723486 · Director · Chief Executive Officer,

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

F2 · shares: The Reporting Person made a transfer to an irrevocable trust, of which immediate family members of the Reporting Person are the sole trustees.

SEC source: 0001104659-21-149984 · tm2135487d1_4seq1.xml · nonDerivative · entry 1

Upchurch Michael W · CIK 0001428750 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,655

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $38.415 to $38.44, inclusive. The reporting person undertakes to provide to WillScot Mobile Mini Holdings Corp., any security holder of WillScot Mobile Mini Holdings Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

SEC source: 0001104659-22-020474 · tm225648-2_5seq1.xml · nonDerivative · entry 3

Olsson Erik · CIK 0001400231 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 626,961

F1 · kind: The Reporting Person made a donation to a charitable organization or donor-advised trust.

SEC source: 0001104659-22-020474 · tm225648-2_5seq1.xml · nonDerivative · entry 2

Olsson Erik · CIK 0001400231 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 626,961

F1 · kind: The Reporting Person made a donation to a charitable organization or donor-advised trust.

SEC source: 0001104659-22-020457 · tm225648-1_5seq1.xml · nonDerivative · entry 2

SAGANSKY JEFFREY · CIK 0001207119 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,744,349

F1 · kind: The Reporting Person made a donation to a charitable organization or donor-advised trust.

SEC source: 0001104659-22-020474 · tm225648-2_5seq1.xml · nonDerivative · entry 1

Olsson Erik · CIK 0001400231 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 626,961

F1 · kind: The Reporting Person made a donation to a charitable organization or donor-advised trust.

SEC source: 0001104659-22-020457 · tm225648-1_5seq1.xml · nonDerivative · entry 1

SAGANSKY JEFFREY · CIK 0001207119 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,744,349

F1 · kind: The Reporting Person made a donation to a charitable organization or donor-advised trust.

SEC source: 0001104659-22-020495 · tm225648-4_5seq1.xml · nonDerivative · entry 2

Miner Christopher J · CIK 0001439283 · EVP, CLO, Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,359

F1 · kind: The Reporting Person made a donation to a charitable organization or donor-advised trust.

SEC source: 0001104659-22-020495 · tm225648-4_5seq1.xml · nonDerivative · entry 1

Miner Christopher J · CIK 0001439283 · EVP, CLO, Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,359

F1 · kind: The Reporting Person made a donation to a charitable organization or donor-advised trust.

SEC source: 0001104659-22-020485 · tm225648-3_5seq1.xml · nonDerivative · entry 4

Goble Jeffrey S · CIK 0001353858 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,631

F1 · kind: The Reporting Person made a donation to a charitable organization or donor-advised trust.

SEC source: 0001104659-22-020485 · tm225648-3_5seq1.xml · nonDerivative · entry 3

Goble Jeffrey S · CIK 0001353858 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,631

F1 · kind: The Reporting Person made a donation to a charitable organization or donor-advised trust.

SEC source: 0001104659-21-116391 · tm2127231-3_4seq1.xml · nonDerivative · entry 2

Sapphire Holding S.a r.l. · CIK 0001723829 · 10% owner

TDR Capital II Holdings L.P. · CIK 0001668140 · 10% owner

TDR Capital LLP · CIK 0001408159 · 10% owner

DALE MANJIT · CIK 0001113203 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F2 · kind: On September 14, 2021, in connection with the closing of the Offering, Sapphire sold an aggregate of 2,379,839 shares of Common Stock to the Issuer pursuant to that certain Share Repurchase Agreement, dated September 6, 2021, by and between Sapphire and the Issuer, at a price of $28.20 per share.

F2 · shares: On September 14, 2021, in connection with the closing of the Offering, Sapphire sold an aggregate of 2,379,839 shares of Common Stock to the Issuer pursuant to that certain Share Repurchase Agreement, dated September 6, 2021, by and between Sapphire and the Issuer, at a price of $28.20 per share.

F3 · balance_after: This amount does not include 8,532 shares of Common Stock held by Sapphire. Those shares of Common Stock will be forfeited as they are subject to vesting conditions that will not be met.

F4 · ownership.direct: As sole shareholder of Sapphire, TDR Capital II Holdings L.P. may be deemed the beneficial owner of such shares of Common Stock held by Sapphire. As manager of TDR Capital II Holdings L.P., TDR Capital LLP may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. As founding partners of TDR Capital LLP, Stephen Robertson and Manjit Dale may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. Each of TDR Capital II Holdings L.P., TDR Capital LLP, Stephen Robertson and Manjit Dale (the "Reporting Persons") may be deemed to be the beneficial owner of all or a portion of the securities reported herein.

F5 · ownership.direct: Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer, except to the extent of his pecuniary interest therein. The filing of this report shall not be deemed an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended or otherwise, the Reporting Persons are the beneficial owners of any of the securities reported herein.

F4 · ownership.nature: As sole shareholder of Sapphire, TDR Capital II Holdings L.P. may be deemed the beneficial owner of such shares of Common Stock held by Sapphire. As manager of TDR Capital II Holdings L.P., TDR Capital LLP may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. As founding partners of TDR Capital LLP, Stephen Robertson and Manjit Dale may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. Each of TDR Capital II Holdings L.P., TDR Capital LLP, Stephen Robertson and Manjit Dale (the "Reporting Persons") may be deemed to be the beneficial owner of all or a portion of the securities reported herein.

F5 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer, except to the extent of his pecuniary interest therein. The filing of this report shall not be deemed an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended or otherwise, the Reporting Persons are the beneficial owners of any of the securities reported herein.

SEC source: 0001104659-21-116391 · tm2127231-3_4seq1.xml · nonDerivative · entry 1

Sapphire Holding S.a r.l. · CIK 0001723829 · 10% owner

TDR Capital II Holdings L.P. · CIK 0001668140 · 10% owner

TDR Capital LLP · CIK 0001408159 · 10% owner

DALE MANJIT · CIK 0001113203 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 2,379,839

F1 · kind: On September 14, 2021, Sapphire Holding S.a r.l. ("Sapphire") sold an aggregate of 21,410,019 shares of common stock, par value $0.0001 per share (the "Common Stock"), of WillScot Mobile Mini Holdings Corp. (the "Issuer") in a registered underwritten public offering (the "Offering") pursuant to that certain Underwriting Agreement, dated as of September 9, 2021 (the "Underwriting Agreement"), among the Issuer, Sapphire and Morgan Stanley & Co. LLC (the "Underwriter"). The price to the public in the Offering was $28.50 per share. The per share sale price reported in this Form 4 reflects underwriting discounts.

F1 · shares: On September 14, 2021, Sapphire Holding S.a r.l. ("Sapphire") sold an aggregate of 21,410,019 shares of common stock, par value $0.0001 per share (the "Common Stock"), of WillScot Mobile Mini Holdings Corp. (the "Issuer") in a registered underwritten public offering (the "Offering") pursuant to that certain Underwriting Agreement, dated as of September 9, 2021 (the "Underwriting Agreement"), among the Issuer, Sapphire and Morgan Stanley & Co. LLC (the "Underwriter"). The price to the public in the Offering was $28.50 per share. The per share sale price reported in this Form 4 reflects underwriting discounts.

F3 · balance_after: This amount does not include 8,532 shares of Common Stock held by Sapphire. Those shares of Common Stock will be forfeited as they are subject to vesting conditions that will not be met.

F4 · ownership.direct: As sole shareholder of Sapphire, TDR Capital II Holdings L.P. may be deemed the beneficial owner of such shares of Common Stock held by Sapphire. As manager of TDR Capital II Holdings L.P., TDR Capital LLP may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. As founding partners of TDR Capital LLP, Stephen Robertson and Manjit Dale may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. Each of TDR Capital II Holdings L.P., TDR Capital LLP, Stephen Robertson and Manjit Dale (the "Reporting Persons") may be deemed to be the beneficial owner of all or a portion of the securities reported herein.

F5 · ownership.direct: Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer, except to the extent of his pecuniary interest therein. The filing of this report shall not be deemed an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended or otherwise, the Reporting Persons are the beneficial owners of any of the securities reported herein.

F4 · ownership.nature: As sole shareholder of Sapphire, TDR Capital II Holdings L.P. may be deemed the beneficial owner of such shares of Common Stock held by Sapphire. As manager of TDR Capital II Holdings L.P., TDR Capital LLP may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. As founding partners of TDR Capital LLP, Stephen Robertson and Manjit Dale may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. Each of TDR Capital II Holdings L.P., TDR Capital LLP, Stephen Robertson and Manjit Dale (the "Reporting Persons") may be deemed to be the beneficial owner of all or a portion of the securities reported herein.

F5 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer, except to the extent of his pecuniary interest therein. The filing of this report shall not be deemed an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended or otherwise, the Reporting Persons are the beneficial owners of any of the securities reported herein.

SEC source: 0001104659-21-116398 · tm2127231-4_4seq1.xml · nonDerivative · entry 2

Robertson Stephen · CIK 0001409360 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 100,000

F2 · kind: On September 14, 2021, in connection with the closing of the Offering, Sapphire sold an aggregate of 2,379,839 shares of Common Stock to the Issuer pursuant to that certain Share Repurchase Agreement, dated September 6, 2021, by and between Sapphire and the Issuer, at a price of $28.20 per share.

F2 · shares: On September 14, 2021, in connection with the closing of the Offering, Sapphire sold an aggregate of 2,379,839 shares of Common Stock to the Issuer pursuant to that certain Share Repurchase Agreement, dated September 6, 2021, by and between Sapphire and the Issuer, at a price of $28.20 per share.

F3 · balance_after: This amount does not include 8,532 shares of Common Stock held by Sapphire. Those shares of Common Stock will be forfeited as they are subject to vesting conditions that will not be met.

F4 · ownership.direct: As sole shareholder of Sapphire, TDR Capital II Holdings L.P. may be deemed the beneficial owner of such shares of Common Stock held by Sapphire. As manager of TDR Capital II Holdings L.P., TDR Capital LLP may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. As founding partners of TDR Capital LLP, Stephen Robertson and Manjit Dale may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. Each of TDR Capital II Holdings L.P., TDR Capital LLP, Stephen Robertson and Manjit Dale (the "Reporting Persons") may be deemed to be the beneficial owner of all or a portion of the securities reported herein.

F5 · ownership.direct: Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer, except to the extent of his pecuniary interest therein. The filing of this report shall not be deemed an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended or otherwise, the Reporting Persons are the beneficial owners of any of the securities reported herein.

F4 · ownership.nature: As sole shareholder of Sapphire, TDR Capital II Holdings L.P. may be deemed the beneficial owner of such shares of Common Stock held by Sapphire. As manager of TDR Capital II Holdings L.P., TDR Capital LLP may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. As founding partners of TDR Capital LLP, Stephen Robertson and Manjit Dale may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. Each of TDR Capital II Holdings L.P., TDR Capital LLP, Stephen Robertson and Manjit Dale (the "Reporting Persons") may be deemed to be the beneficial owner of all or a portion of the securities reported herein.

F5 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer, except to the extent of his pecuniary interest therein. The filing of this report shall not be deemed an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended or otherwise, the Reporting Persons are the beneficial owners of any of the securities reported herein.

SEC source: 0001104659-21-116398 · tm2127231-4_4seq1.xml · nonDerivative · entry 1

Robertson Stephen · CIK 0001409360 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 2,479,839

F1 · kind: On September 14, 2021, Sapphire Holding S.a r.l. ("Sapphire") sold an aggregate of 21,410,019 shares of common stock, par value $0.0001 per share (the "Common Stock"), of WillScot Mobile Mini Holdings Corp. (the "Issuer") in a registered underwritten public offering (the "Offering") pursuant to that certain Underwriting Agreement, dated as of September 9, 2021 (the "Underwriting Agreement"), among the Issuer, Sapphire and Morgan Stanley & Co. LLC (the "Underwriter"). The price to the public in the Offering was $28.50 per share. The per share sale price reported in this Form 4 reflects underwriting discounts.

F1 · shares: On September 14, 2021, Sapphire Holding S.a r.l. ("Sapphire") sold an aggregate of 21,410,019 shares of common stock, par value $0.0001 per share (the "Common Stock"), of WillScot Mobile Mini Holdings Corp. (the "Issuer") in a registered underwritten public offering (the "Offering") pursuant to that certain Underwriting Agreement, dated as of September 9, 2021 (the "Underwriting Agreement"), among the Issuer, Sapphire and Morgan Stanley & Co. LLC (the "Underwriter"). The price to the public in the Offering was $28.50 per share. The per share sale price reported in this Form 4 reflects underwriting discounts.

F3 · balance_after: This amount does not include 8,532 shares of Common Stock held by Sapphire. Those shares of Common Stock will be forfeited as they are subject to vesting conditions that will not be met.

F4 · ownership.direct: As sole shareholder of Sapphire, TDR Capital II Holdings L.P. may be deemed the beneficial owner of such shares of Common Stock held by Sapphire. As manager of TDR Capital II Holdings L.P., TDR Capital LLP may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. As founding partners of TDR Capital LLP, Stephen Robertson and Manjit Dale may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. Each of TDR Capital II Holdings L.P., TDR Capital LLP, Stephen Robertson and Manjit Dale (the "Reporting Persons") may be deemed to be the beneficial owner of all or a portion of the securities reported herein.

F5 · ownership.direct: Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer, except to the extent of his pecuniary interest therein. The filing of this report shall not be deemed an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended or otherwise, the Reporting Persons are the beneficial owners of any of the securities reported herein.

F4 · ownership.nature: As sole shareholder of Sapphire, TDR Capital II Holdings L.P. may be deemed the beneficial owner of such shares of Common Stock held by Sapphire. As manager of TDR Capital II Holdings L.P., TDR Capital LLP may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. As founding partners of TDR Capital LLP, Stephen Robertson and Manjit Dale may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. Each of TDR Capital II Holdings L.P., TDR Capital LLP, Stephen Robertson and Manjit Dale (the "Reporting Persons") may be deemed to be the beneficial owner of all or a portion of the securities reported herein.

F5 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer, except to the extent of his pecuniary interest therein. The filing of this report shall not be deemed an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended or otherwise, the Reporting Persons are the beneficial owners of any of the securities reported herein.

SEC source: 0001104659-21-114306 · tm2127231-2_4seq1.xml · derivative · entry 3

Soultz Bradley Lee · CIK 0001723486 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 388,321

Underlying: Common Stock · 23,874 shares

Expires not disclosed

F6 · derivative.exercise_price: Each PSU represents a contingent right to receive upon vesting one share of common stock of the Issuer, or its cash equivalent.

F7 · derivative.exercise_date: On September 7, 2021, the Reporting Person was granted 23,874 PSUs pursuant to a Performance-Based Restrictive Stock Unit Agreement, by and between the Reporting Person and the Issuer, dated as of September 7, 2021 (the "Performance-Based RSU Agreement 2"), which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P Mid Cap 400 Index at the grant date over the performance of three years, subject to the terms and conditions of the Plan and the Performance-Based RSU Agreement 2.

F7 · derivative.expiration_date: On September 7, 2021, the Reporting Person was granted 23,874 PSUs pursuant to a Performance-Based Restrictive Stock Unit Agreement, by and between the Reporting Person and the Issuer, dated as of September 7, 2021 (the "Performance-Based RSU Agreement 2"), which vest based on the achievement of the relative total stockholder return ("TSR") of the Issuer's common stock as compared to the TSR of the constituents of the S&P Mid Cap 400 Index at the grant date over the performance of three years, subject to the terms and conditions of the Plan and the Performance-Based RSU Agreement 2.

SEC source: 0001104659-21-114306 · tm2127231-2_4seq1.xml · derivative · entry 2

Soultz Bradley Lee · CIK 0001723486 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 249,355

Underlying: Common Stock · 10,232 shares

Expires not disclosed

F4 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive upon vesting one share of common stock of the Issuer, or its cash equivalent.

F5 · derivative.exercise_date: On September 7, 2021, pursuant to the Amended and Restated Employment Agreement, by and between the Issuer and the Reporting Person, dated as of September 7, 2021 (the "A&R Employment Agreement"), the Reporting Person was granted 10,232 RSUs which vest in three equal installments on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Plan and the Restricted Stock Unit Agreement entered into by and between the Reporting Person and the Issuer.

F5 · derivative.expiration_date: On September 7, 2021, pursuant to the Amended and Restated Employment Agreement, by and between the Issuer and the Reporting Person, dated as of September 7, 2021 (the "A&R Employment Agreement"), the Reporting Person was granted 10,232 RSUs which vest in three equal installments on each of the first three anniversaries of the grant date, subject to the terms and conditions of the Plan and the Restricted Stock Unit Agreement entered into by and between the Reporting Person and the Issuer.

SEC source: 0001104659-21-114306 · tm2127231-2_4seq1.xml · derivative · entry 1

Soultz Bradley Lee · CIK 0001723486 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 312,632

Underlying: Common Stock · 312,632 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Performance-Based Restricted Stock Unit ("PSU") represents a contingent right to receive upon vesting one share of common stock of WillScot Mobile Mini Holdings Corp. (the "Issuer") or its cash equivalent.

F2 · shares: Bradley Soultz (the "Reporting Person") was granted a target number of 312,632 PSUs pursuant to a Performance-Based Restricted Stock Unit Agreement, by and between the Reporting Person and the Issuer, dated as of September 7, 2021 (the "Performance-Based RSU Agreement 1"). The actual number of PSUs that shall vest and become unrestricted may range from 0 to 750,000 PSUs based on criteria described in footnote 3 to this Form 4, subject to the terms and conditions of the previously disclosed WillScot Mobile Mini Holdings Corp. 2020 Incentive Award Plan (the "Plan") and the Performance-Based RSU Agreement 1.

F3 · derivative.exercise_date: Pursuant to the Performance-Based RSU Agreement 1, the target number of PSUs reported here vest upon the Issuer's common stock achieving certain 60-day average closing prices, measured as of the 60 consecutive trading days immediately following the date on which third quarter results for each of 2022, 2023, 2024 and 2025 are filed (the "Measurement Periods"). The actual number of PSUs that shall be granted is cumulative and may vary according to achievement of agreed Common Stock price targets ranging from $42.50 to $60.00 during each annual Measurement Period, pursuant to the Performance-Based RSU Agreement 1 and subject to the terms and conditions of the Plan. The cumulative number of PSUs earned vest and become unrestricted on March 1, 2026 or upon the occurrence of certain other events as provided in the Performance Based RSU Agreement 1.

F3 · derivative.expiration_date: Pursuant to the Performance-Based RSU Agreement 1, the target number of PSUs reported here vest upon the Issuer's common stock achieving certain 60-day average closing prices, measured as of the 60 consecutive trading days immediately following the date on which third quarter results for each of 2022, 2023, 2024 and 2025 are filed (the "Measurement Periods"). The actual number of PSUs that shall be granted is cumulative and may vary according to achievement of agreed Common Stock price targets ranging from $42.50 to $60.00 during each annual Measurement Period, pursuant to the Performance-Based RSU Agreement 1 and subject to the terms and conditions of the Plan. The cumulative number of PSUs earned vest and become unrestricted on March 1, 2026 or upon the occurrence of certain other events as provided in the Performance Based RSU Agreement 1.

SEC source: 0001104659-21-114272 · tm2127231-1_4seq1.xml · derivative · entry 1

Boswell Timothy D · CIK 0001723491 · President & CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 337,817

Underlying: Common Stock · 243,158 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Restricted Stock Unit represents a contingent right to receive upon vesting one share of common stock of WillScot Mobile Mini Holdings Corp. (the "Issuer") or its cash equivalent.

F2 · shares: Timothy Boswell (the "Reporting Person") was granted a target number of 243,158 Restricted Stock Units pursuant to the Performance-Based Restricted Stock Unit Agreement, by and between the Reporting Person and the Issuer, dated as of September 7, 2021 (the "Performance-Based RSU Agreement"). The actual number of Restricted Stock Units that shall vest and become unrestricted may range from 0 to 583,334 Restricted Stock Units based on criteria described in footnote 3 to this Form 4.

F3 · derivative.exercise_date: Pursuant to the Performance-Based RSU Agreement, the target number of Restricted Stock Units reported here vest upon the Issuer's common stock achieving certain 60-day average closing prices, measured as of the 60 consecutive trading days immediately following the date on which third quarter results for each of 2022, 2023, 2024 and 2025 are filed (the "Measurement Periods"). The actual number of Restricted Stock Units that shall be granted is cumulative and may vary according to achievement of agreed upon Share Price targets ranging from $42.50 to $60.00 during each annual Measurement Period, pursuant to the Performance-Based RSU Agreement. The cumulative number of Restricted Stock Units earned vest and become unrestricted on July 1, 2026 or upon the occurence of certain other events as provided in the Performance Based RSU Agreement.

F3 · derivative.expiration_date: Pursuant to the Performance-Based RSU Agreement, the target number of Restricted Stock Units reported here vest upon the Issuer's common stock achieving certain 60-day average closing prices, measured as of the 60 consecutive trading days immediately following the date on which third quarter results for each of 2022, 2023, 2024 and 2025 are filed (the "Measurement Periods"). The actual number of Restricted Stock Units that shall be granted is cumulative and may vary according to achievement of agreed upon Share Price targets ranging from $42.50 to $60.00 during each annual Measurement Period, pursuant to the Performance-Based RSU Agreement. The cumulative number of Restricted Stock Units earned vest and become unrestricted on July 1, 2026 or upon the occurence of certain other events as provided in the Performance Based RSU Agreement.

SEC source: 0001104659-21-104259 · tm2124924-1_4seq1.xml · derivative · entry 5

Miner Christopher J · CIK 0001439283 · EVP and Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 31,194 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_date: Received in connection with the completion of the merger (the "Merger"), on July 1, 2020, of Picasso Merger Sub, Inc., a subsidiary of the Issuer ("Merger Sub"), with and into Mobile Mini, Inc. ("Mobile Mini") in exchange for employee stock options to acquire shares of common stock of Mobile Mini owned prior to the Merger, pursuant to the terms of the Agreement and Plan of Merger, dated as of March 1, 2020, by and among the Issuer, Merger Sub and Mobile Mini, as amended on May 28, 2020.

F1 · derivative.expiration_date: Received in connection with the completion of the merger (the "Merger"), on July 1, 2020, of Picasso Merger Sub, Inc., a subsidiary of the Issuer ("Merger Sub"), with and into Mobile Mini, Inc. ("Mobile Mini") in exchange for employee stock options to acquire shares of common stock of Mobile Mini owned prior to the Merger, pursuant to the terms of the Agreement and Plan of Merger, dated as of March 1, 2020, by and among the Issuer, Merger Sub and Mobile Mini, as amended on May 28, 2020.

SEC source: 0001104659-21-104259 · tm2124924-1_4seq1.xml · nonDerivative · entry 4

Miner Christopher J · CIK 0001439283 · EVP and Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 102,359

SEC source: 0001104659-21-104259 · tm2124924-1_4seq1.xml · nonDerivative · entry 3

Miner Christopher J · CIK 0001439283 · EVP and Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,011

SEC source: 0001104659-21-104259 · tm2124924-1_4seq1.xml · nonDerivative · entry 2

Miner Christopher J · CIK 0001439283 · EVP and Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,608

SEC source: 0001104659-21-104259 · tm2124924-1_4seq1.xml · nonDerivative · entry 1

Miner Christopher J · CIK 0001439283 · EVP and Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,802

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

SEC source: 0001104659-21-089361 · tm2121534-1_4seq1.xml · nonDerivative · entry 1

Robertson Stephen · CIK 0001409360 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 23,898,390

F1 · kind: On June 29, 2021, Morgan Stanley & Co. LLC ("Morgan Stanley") exercised an overallotment option to purchase 2,100,000 shares of common stock, par value $0.0001 per share (the "Common Stock"), of WillScot Mobile Mini Holdings Corp. (the "Issuer"), from Sapphire Holding S.a r.l. ("Sapphire"), pursuant to that certain Underwriting Agreement, dated as of June 22, 2021 (the "Underwriting Agreement"), among the Issuer, Sapphire and Morgan Stanley.

F1 · shares: On June 29, 2021, Morgan Stanley & Co. LLC ("Morgan Stanley") exercised an overallotment option to purchase 2,100,000 shares of common stock, par value $0.0001 per share (the "Common Stock"), of WillScot Mobile Mini Holdings Corp. (the "Issuer"), from Sapphire Holding S.a r.l. ("Sapphire"), pursuant to that certain Underwriting Agreement, dated as of June 22, 2021 (the "Underwriting Agreement"), among the Issuer, Sapphire and Morgan Stanley.

F2 · balance_after: Includes 100,000 shares of Common Stock owned directly by the Reporting Person. The remaining shares of Common Stock beneficially owned are held by Sapphire. As sole shareholder of Sapphire, TDR Capital II Holdings L.P. may be deemed the beneficial owner of such shares of Common Stock held by Sapphire. As manager of TDR Capital II Holdings L.P., TDR Capital LLP may be deemed the beneficial owner of such shares of Common Stock held by Sapphire. As founding partners of TDR Capital LLP, Stephen Robertson and Manjit Dale may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. Each of TDR Capital II Holdings L.P., TDR Capital LLP, Stephen Robertson and Manjit Dale may be deemed to be the beneficial owner of all or a portion of the securities reported herein.

F3 · ownership.direct: As sole shareholder of Sapphire, TDR Capital II Holdings L.P. may be deemed the beneficial owner of such shares of Common Stock held by Sapphire. As manager of TDR Capital II Holdings L.P., TDR Capital LLP may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. As founding partners of TDR Capital LLP, Stephen Robertson and Manjit Dale may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. Each of TDR Capital II Holdings L.P., TDR Capital LLP, Stephen Robertson and Manjit Dale (the "Reporting Persons") may be deemed to be the beneficial owner of all or a portion of the securities reported herein.

F4 · ownership.direct: Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer, except to the extent of his pecuniary interest therein. The filing of this report shall not be deemed an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended or otherwise, the Reporting Persons are the beneficial owners of any of the securities reported herein.

F3 · ownership.nature: As sole shareholder of Sapphire, TDR Capital II Holdings L.P. may be deemed the beneficial owner of such shares of Common Stock held by Sapphire. As manager of TDR Capital II Holdings L.P., TDR Capital LLP may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. As founding partners of TDR Capital LLP, Stephen Robertson and Manjit Dale may be deemed the beneficial owners of such shares of Common Stock held by Sapphire. Each of TDR Capital II Holdings L.P., TDR Capital LLP, Stephen Robertson and Manjit Dale (the "Reporting Persons") may be deemed to be the beneficial owner of all or a portion of the securities reported herein.

F4 · ownership.nature: Each of the Reporting Persons disclaims beneficial ownership of the securities of the Issuer, except to the extent of his pecuniary interest therein. The filing of this report shall not be deemed an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended or otherwise, the Reporting Persons are the beneficial owners of any of the securities reported herein.