SHC

SEC source: 0000899243-20-032067 · doc4.xml · derivative · entry 2

Rutz Michael P · CIK 0001599220 · President of Sterigenics

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,801

Underlying: Common Stock · 111,801 shares

Expires 2030-11-20

F3 · derivative.exercise_date: These options were granted on November 20, 2020, pursuant to the terms of a stock option agreement under the 2020 Incentive Plan. The options vest in four equal installments on each of the first four anniversaries of the date of grant, subject to the Reporting Person's continued service through each such date.

SEC source: 0000899243-20-032067 · doc4.xml · nonDerivative · entry 1

Rutz Michael P · CIK 0001599220 · President of Sterigenics

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 621,043

F1 · shares: These securities consist of Restricted Stock Units ("RSUs") that were granted on November 20, 2020, pursuant to the terms of an RSU agreement under the Sotera Health Company 2020 Omnibus Incentive Plan ("2020 Incentive Plan"). Each RSU represents the Reporting Person's right to receive one share of common stock, subject to vesting conditions. The RSUs vest in four equal installments on each of the first four anniversaries of the date of grant, subject to the Reporting Person's continued service through each such date.

F2 · balance_after: Consists of 26,086 RSUs and 594,957 shares of Common Stock. 16,199 of the shares of Common Stock are vested, and 578,758 of the shares of Common Stock remain subject to vesting conditions. 20% of the shares of Common Stock will vest on May 13, 2021 (the one year anniversary of the date of grant), and the remaining shares will vest on a daily basis, pro rata through May 13, 2025. See Footnote #1 for information regarding the vesting of the RSUs.

SEC source: 0000899243-20-032060 · doc4.xml · nonDerivative · entry 1

Chen Ruoxi · CIK 0001769832 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,869

F1 · shares: These securities consist of 5,869 Restricted Stock Units ("RSUs") that were granted on November 20, 2020, pursuant to the terms of an RSU agreement under the Sotera Health Company 2020 Omnibus Incentive Plan. Each RSU represents the Reporting Person's right to receive one share of Common Stock, subject to vesting conditions. The RSUs will vest in full on the date immediately prior to the Issuer's next regular annual shareholders meeting, subject to the Reporting Person's continued service as a non-employee director of the Issuer through such date.

SEC source: 0000899243-20-032065 · doc4.xml · nonDerivative · entry 1

Klee Ann R. · CIK 0001796076 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,794

F1 · shares: These securities consist of Restricted Stock Units ("RSUs") that were granted on November 20, 2020, pursuant to the terms of an RSU agreement under the Sotera Health Company 2020 Omnibus Incentive Plan. Each RSU represents the Reporting Person's right to receive one share of Common Stock, subject to vesting conditions. The RSUs will vest in full on the date immediately prior to the Issuer's next regular annual shareholders meeting, subject to the Reporting Person's continued service as a non-employee director of the Issuer through such date.

F2 · balance_after: Consists of 5,869 RSUs and 50,925 shares of Common Stock, including 16,199 shares of vested Common Stock and 34,726 shares of unvested Common Stock. 20% of the unvested shares of Common Stock will vest on May 27, 2021 (the one year anniversary of the date of grant), and the remaining unvested shares will vest on a daily basis pro rata thereafter, through May 27, 2025.

SEC source: 0000899243-20-032083 · doc4.xml · derivative · entry 3

Leffler Scott J. · CIK 0001832406 · CFO and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 223,602

Underlying: Common Stock · 223,602 shares

Expires 2030-11-20

F5 · derivative.exercise_date: These options were granted on November 20, 2020, pursuant to the terms of a stock option agreement under the 2020 Incentive Plan. The options vest in four equal installments on each of the first four anniversaries of the date of grant, subject to the Reporting Person's continued service through each such date.

SEC source: 0000899243-20-032083 · doc4.xml · nonDerivative · entry 1

Leffler Scott J. · CIK 0001832406 · CFO and Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 820,426

F1 · shares: These securities consist of Restricted Stock Units ("RSUs") that were granted on November 20, 2020, pursuant to the terms of an RSU agreement under the Sotera Health Company 2020 Omnibus Incentive Plan ("2020 Incentive Plan"). Each RSU represents the Reporting Person's right to receive one share of common stock, subject to vesting conditions. The RSUs vest in four equal installments on each of the first four anniversaries of the date of grant, subject to the Reporting Person's continued service through each such date.

F2 · balance_after: Consists of 768,253 shares of Common Stock (see Footnote #4 for information regarding the vesting of the Common Stock) and 52,173 RSUs.

SEC source: 0000899243-20-032082 · doc4.xml · nonDerivative · entry 1

CUNNINGHAM SEAN LAURENCE · CIK 0001829753 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,869

F1 · shares: These securities consist of 5,869 Restricted Stock Units ("RSUs") that were granted on November 20, 2020, pursuant to the terms of an RSU agreement under the Sotera Health Company 2020 Omnibus Incentive Plan. Each RSU represents the Reporting Person's right to receive one share of Common Stock, subject to vesting conditions. The RSUs will vest in full on the date immediately prior to the Issuer's next regular annual shareholders meeting, subject to the Reporting Person's continued service as a non-employee director of the Issuer through such date.

SEC source: 0000899243-20-032076 · doc4.xml · derivative · entry 4

Petras Michael B. Jr. · CIK 0001832387 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,118,012

Underlying: Common Stock · 1,118,012 shares

Expires 2030-11-20

F3 · derivative.exercise_date: These options were granted on November 20, 2020, pursuant to the terms of a stock option agreement under the 2020 Incentive Plan. The options vest in four equal installments on each of the first four anniversaries of the date of grant, subject to the Reporting Person's continued service through each such date.

SEC source: 0000899243-20-032076 · doc4.xml · nonDerivative · entry 1

Petras Michael B. Jr. · CIK 0001832387 · Director · Chairman & CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 260,869

F1 · shares: These securities consist of Restricted Stock Units ("RSUs") that were granted on November 20, 2020, pursuant to the terms of an RSU agreement under the Sotera Health Company 2020 Omnibus Incentive Plan ("2020 Incentive Plan"). Each RSU represents the Reporting Person's right to receive one share of common stock, subject to vesting conditions. The RSUs vest in four equal installments on each of the first four anniversaries of the date of grant, subject to the Reporting Person's continued service through each such date.