STE

SEC source: 0001209191-21-051131 · doc4.xml · derivative · entry 1

Steeves Richard Martin · CIK 0001657245 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,054

Underlying: Ordinary Shares · 2,054 shares

Expires 2031-08-10

F1 · derivative.exercise_date: These nonqualified stock options are fully vested and are exercisable immediately.

SEC source: 0001209191-21-051124 · doc4.xml · derivative · entry 2

Sohi Mohsen · CIK 0001293588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,321

Underlying: Ordinary Shares · 751 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Career Restricted Stock Unit represents the right to receive one STERIS ordinary share six months after the cessation of the Director's Board service.

F3 · derivative.exercise_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

F3 · derivative.expiration_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

SEC source: 0001209191-21-051124 · doc4.xml · derivative · entry 1

Sohi Mohsen · CIK 0001293588 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,081

Underlying: Ordinary Shares · 3,081 shares

Expires 2031-08-10

F1 · derivative.exercise_date: These nonqualified stock options are fully vested and are exercisable immediately.

SEC source: 0001209191-21-051118 · doc4.xml · derivative · entry 1

Martin Paul Edward · CIK 0001700415 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,384

Underlying: Ordinary Shares · 1,001 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Career Restricted Stock Unit represents the right to receive one STERIS ordinary share six months after the cessation of the Director's Board service.

F2 · derivative.exercise_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

F2 · derivative.expiration_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

SEC source: 0001209191-21-051115 · doc4.xml · derivative · entry 1

HOLLAND CHRISTOPHER S · CIK 0001271440 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,317

Underlying: Ordinary Shares · 1,001 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Career Restricted Stock Unit represents the right to receive one STERIS ordinary share six months after the cessation of the Director's Board service.

F2 · derivative.exercise_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

F2 · derivative.expiration_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

SEC source: 0001209191-21-051117 · doc4.xml · derivative · entry 3

KOSECOFF JACQUELINE B · CIK 0001209524 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,186

Underlying: Ordinary Shares · 468 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Career Restricted Stock Unit represents the right to receive one STERIS ordinary share six months after the cessation of the Director's Board service.

F4 · price: These Career Restricted Stock Units were issued to the Reporting Person in lieu of $102,000 in fees.

F3 · derivative.exercise_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

F3 · derivative.expiration_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

SEC source: 0001209191-21-051117 · doc4.xml · derivative · entry 2

KOSECOFF JACQUELINE B · CIK 0001209524 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,718

Underlying: Ordinary Shares · 508 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Career Restricted Stock Unit represents the right to receive one STERIS ordinary share six months after the cessation of the Director's Board service.

F3 · derivative.exercise_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

F3 · derivative.expiration_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

SEC source: 0001209191-21-051117 · doc4.xml · derivative · entry 1

KOSECOFF JACQUELINE B · CIK 0001209524 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,027

Underlying: Ordinary Shares · 2,027 shares

Expires 2031-08-10

F1 · derivative.exercise_date: These nonqualified stock options are fully vested and are exercisable immediately.

SEC source: 0001209191-21-051113 · doc4.xml · derivative · entry 2

FELDMANN CYNTHIA L · CIK 0001264554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,975

Underlying: Ordinary Shares · 500 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Career Restricted Stock Unit represents the right to receive one STERIS ordinary share six months after the cessation of the Director's Board service.

F3 · derivative.exercise_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

F3 · derivative.expiration_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

SEC source: 0001209191-21-051113 · doc4.xml · derivative · entry 1

FELDMANN CYNTHIA L · CIK 0001264554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,054

Underlying: Ordinary Shares · 2,054 shares

Expires 2031-08-10

F1 · derivative.exercise_date: These nonqualified stock options are fully vested and are exercisable immediately.

SEC source: 0001209191-21-051112 · doc4.xml · derivative · entry 4

Breeden Richard C · CIK 0001300622 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,984

Underlying: Ordinary Shares · 376 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Career Restricted Stock Unit represents the right to receive one STERIS ordinary share six months after the cessation of the Director's Board service.

F5 · price: These Career Restricted Stock Units were issued to the Reporting Person in lieu of fees of $82,000.

F4 · derivative.exercise_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

F4 · derivative.expiration_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

SEC source: 0001209191-21-051112 · doc4.xml · derivative · entry 3

Breeden Richard C · CIK 0001300622 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,608

Underlying: Ordinary Shares · 508 shares

Expires not disclosed

F3 · derivative.exercise_price: Each Career Restricted Stock Unit represents the right to receive one STERIS ordinary share six months after the cessation of the Director's Board service.

F4 · derivative.exercise_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

F4 · derivative.expiration_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

SEC source: 0001209191-21-051112 · doc4.xml · derivative · entry 2

Breeden Richard C · CIK 0001300622 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,498

Underlying: Ordinary Shares · 471 shares

Expires 2031-08-10

F2 · derivative.exercise_price: These nonqualified stock options were issued to the Reporting Person in lieu of fees of $25,000.

F1 · derivative.exercise_date: These nonqualified stock options are fully vested and are exercisable immediately.

SEC source: 0001209191-21-051112 · doc4.xml · derivative · entry 1

Breeden Richard C · CIK 0001300622 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,027

Underlying: Ordinary Shares · 2,027 shares

Expires 2031-08-10

F1 · derivative.exercise_date: These nonqualified stock options are fully vested and are exercisable immediately.

SEC source: 0001209191-21-047755 · doc4.xml · derivative · entry 2

LEWIS DAVID B · CIK 0001136554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Ordinary Shares · 1,561 shares

Expires 2021-08-03

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: This option is part of an option to purchase 3,121 STERIS ordinary shares, which are fully vested, which was received in conjunction with the Redomiciliation of the entity organized under the laws of the U.K. and formerly named STERIS plc ("Old STERIS") in exchange for an option to purchase 3,121 Old STERIS ordinary shares for $31.61 per share, subject to the same terms and conditions as the original Old STERIS stock option, except as otherwise required by law.

SEC source: 0001209191-21-047755 · doc4.xml · nonDerivative · entry 1

LEWIS DAVID B · CIK 0001136554 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,245

SEC source: 0001209191-21-037700 · doc4.xml · derivative · entry 2

Madsen Julia · CIK 0001819129 · Senior VP, Life Sciences

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,604

Underlying: Ordinary Shares · 7,604 shares

Expires 2031-06-02

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.

F3 · derivative.exercise_date: This option becomes exercisable as follows: 1,901 on June 2, 2022; 1,901 on June 2, 2023; 1,901 on June 3, 2024 and 1,901 on June 2, 2025.

SEC source: 0001209191-21-037700 · doc4.xml · nonDerivative · entry 1

Madsen Julia · CIK 0001819129 · Senior VP, Life Sciences

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,857

F1 · shares: All 1,440 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 360 on June 2, 2022; 360 on June 2, 2023; 360 on June 3, 2024 and 360 on June 2, 2025.

F2 · balance_after: 3,510 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 349 on October 1, 2021; 121 on May 31, 2022; 92 on May 31, 2022; 123 on June 1, 2022; 360 on June 2, 2022; 349 on October 3, 2022; 92 on May 31, 2023; 123 on June 1, 2023; 360 June 2, 2023; 349 on October 2, 2023; 123 on June 3, 2024; 360 on June 3, 2024; 349 on October 1, 2024 and 360 on June 2, 2025.

SEC source: 0001209191-21-037687 · doc4.xml · derivative · entry 2

Fraser Mary Clare · CIK 0001818882 · Vice President & Chief HRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,676

Underlying: Ordinary Shares · 9,676 shares

Expires 2031-06-02

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.

F3 · derivative.exercise_date: This option becomes exercisable as follows: 2,419 on June 2, 2022; 2,419 on June 2, 2023; 2,419 on June 3, 2024 and 2,419 on June 2, 2025.

SEC source: 0001209191-21-037687 · doc4.xml · nonDerivative · entry 1

Fraser Mary Clare · CIK 0001818882 · Vice President & Chief HRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,766

F1 · shares: All 1,836 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse on June 2, 2025.

F2 · balance_after: 4,209 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 791 on June 1, 2022; 791 on June 1, 2023; 791 on June 3, 2024 and 1,836 on June 2, 2025.

SEC source: 0001209191-21-037710 · doc4.xml · derivative · entry 1

Martin Paul Edward · CIK 0001700415 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 383

Underlying: Ordinary Shares · 383 shares

Expires not disclosed

F1 · derivative.exercise_price: Each Career Restricted Stock Unit represents the right to receive one STERIS ordinary share six months after the cessation of the Director's Board Service.

F2 · derivative.exercise_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

F2 · derivative.expiration_date: These Career Restricted Stock Units are fully vested immediately. They will be settled in STERIS ordinary shares six months after the cessation of the Director's Board service.

SEC source: 0001209191-21-037704 · doc4.xml · derivative · entry 3

TOKICH MICHAEL J · CIK 0001235611 · Sr. Vice Pres., CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,296

Underlying: Ordinary Shares · 36,296 shares

Expires 2031-06-02

F4 · derivative.exercise_date: This option becomes exercisable as follows: 9,074 on June 2, 2022; 9,074 on June 2, 2023; 9,074 on June 3, 2024 and 9,074 on June 2, 2025.

SEC source: 0001209191-21-037704 · doc4.xml · nonDerivative · entry 1

TOKICH MICHAEL J · CIK 0001235611 · Sr. Vice Pres., CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,868

F1 · shares: All 2,292 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 1,719 on June 3, 2024 and 573 on June 2, 2025.

F2 · balance_after: 11,764 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 4,240 on May 31, 2022; 2,780 on May 31, 2023; 2,452 on June 3, 2024; 1,719 on June 3, 2024 and 573 on June 2, 2025.

SEC source: 0001209191-21-037693 · doc4.xml · derivative · entry 2

Tamaro Renato · CIK 0001713987 · V.P. & Corporate Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,040

Underlying: Ordinary Shares · 3,040 shares

Expires 2031-06-02

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.

F3 · derivative.exercise_date: This option becomes exercisable as follows: 760 on June 2, 2022; 760 on June 2, 2023; 760 on June 3, 2024 and 760 on June 2, 2025.

SEC source: 0001209191-21-037693 · doc4.xml · nonDerivative · entry 1

Tamaro Renato · CIK 0001713987 · V.P. & Corporate Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,372

F1 · shares: All 576 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 432 on June 3, 2024 and 144 on June 2, 2025.

F2 · balance_after: 2,200 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 484 on May 31, 2022; 556 on May 31, 2023; 584 on June 3, 2024; 432 on June 3, 2024 and 144 on June 2, 2025.

SEC source: 0001209191-21-037680 · doc4.xml · derivative · entry 2

Burton Karen L · CIK 0001697095 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,148

Underlying: Ordinary Shares · 4,148 shares

Expires 2031-06-02

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.

F3 · derivative.exercise_date: This option becomes exercisable as follows: 1,037 on June 2, 2022; 1,037 on June 2, 2023; 1,037 on June 3, 2024 and 1,037 on June 2, 2025.

SEC source: 0001209191-21-037680 · doc4.xml · nonDerivative · entry 1

Burton Karen L · CIK 0001697095 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,031

F1 · shares: All 784 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 196 on June 2, 2022; 196 on June 2, 2023; 196 on June 3, 2024 and 196 on June 2, 2025.

F2 · balance_after: 3,928 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 1,332 on May 31, 2022; 765 on May 31, 2022; 396 on June 1, 2022; 196 on June 2, 2022; 255 on May 31, 2023; 198 on June 1, 2023; 196 on June 2, 2023; 198 on June 3, 2024; 196 on June 3, 2024 and 196 on June 2, 2025.

SEC source: 0001209191-21-037679 · doc4.xml · derivative · entry 2

Majors Cary L · CIK 0001776271 · Sr VP N America Com Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,368

Underlying: Ordinary Shares · 10,368 shares

Expires 2031-06-02

F3 · derivative.exercise_date: This option becomes exercisable as follows: 2,592 on June 2, 2022; 2,592 on June 2, 2023; 2,592 on June 3, 2024 and 2,592 on June 2, 2025.

SEC source: 0001209191-21-037679 · doc4.xml · nonDerivative · entry 1

Majors Cary L · CIK 0001776271 · Sr VP N America Com Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,955

F1 · shares: All 1,964 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse on June 2, 2025.

F2 · balance_after: 9,084 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 2,520 on May 31, 2022; 2,224 on May 31, 2023; 2,376 on June 3, 2024 and 1,964 on June 2, 2025.

SEC source: 0001209191-21-037675 · doc4.xml · derivative · entry 2

Zangerle John Adam · CIK 0001578804 · Sr. VP, Gen Counsel, and Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,284

Underlying: Ordinary Shares · 17,284 shares

Expires 2031-06-02

F3 · derivative.exercise_date: This option becomes exercisable as follows: 4,321 on June 2, 2022; 4,321 on June 2, 2023; 4,321 on June 3, 2024 and 4,321 on June 2, 2025.

SEC source: 0001209191-21-037675 · doc4.xml · nonDerivative · entry 1

Zangerle John Adam · CIK 0001578804 · Sr. VP, Gen Counsel, and Sec.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,215

F1 · shares: All 3,276 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 819 on June 2, 2022; 819 on June 2, 2023; 819 on June 3, 2024 and 819 on June 2, 2025.

F2 · balance_after: 13,256 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 3,636 on May 31, 2022; 2,502 on May 31, 2022; 1,504 on June 1, 2022; 819 on June 2, 2022; 834 on May 31, 2023; 752 on June 1, 2023; 819 on June 2, 2023; 752 on June 3, 2024; 819 on June 3, 2024 and 819 on June 2, 2025.

SEC source: 0001209191-21-037670 · doc4.xml · derivative · entry 2

Carestio Daniel A · CIK 0001651806 · Sr VP and Chief Operating Off

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 59,316

Underlying: Ordinary Shares · 59,316 shares

Expires 2031-06-02

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.

F3 · derivative.exercise_date: This option becomes exercisable as follows: 14,829 on June 2, 2022, 14,829 on June 2, 2023, 14,829 on June 3, 2024 and 14,829 on June 2, 2025.

SEC source: 0001209191-21-037670 · doc4.xml · nonDerivative · entry 1

Carestio Daniel A · CIK 0001651806 · Sr VP and Chief Operating Off

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,693

F1 · shares: All 6,056 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 3,028 on June 2, 2023; 1,514 on June 3, 2024 and 1,514 on June 2, 2025.

F2 · balance_after: 19,956 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 2,712 on May 31, 2022; 1,748 on October 3, 2022; 5,008 on May 31, 2023; 3,324 on June 1, 2023, 3,028 on June 2, 2023, 1,108 on June 3, 2024, 1,514 on June 3, 2024 and 1,514 on June 2, 2025.

SEC source: 0001209191-21-038279 · doc4.xml · derivative · entry 7

Xilas Andrew · CIK 0001863490 · SVP and GM, Dental

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,906

Underlying: Ordinary Shares · 373 shares

Expires not disclosed

F7 · derivative.exercise_price: Reflects 373 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 875 Cantel PSUs in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel PSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in equal installments on 10/7/2021, 10/7/2022 and 10/7/2023.

F7 · price: Reflects 373 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 875 Cantel PSUs in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel PSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in equal installments on 10/7/2021, 10/7/2022 and 10/7/2023.

F7 · derivative.exercise_date: Reflects 373 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 875 Cantel PSUs in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel PSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in equal installments on 10/7/2021, 10/7/2022 and 10/7/2023.

F7 · derivative.expiration_date: Reflects 373 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 875 Cantel PSUs in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel PSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in equal installments on 10/7/2021, 10/7/2022 and 10/7/2023.

F8 · balance_after: The STERIS RSUs will vest as follows: 607 on October 7, 2021, 506 on October 10, 2021, 333 on December 2, 2021, 606 on October 7, 2022, 503 on October 10, 2022, 333 on December 2, 2022, 605 on October 7, 2023 and 333 on December 2, 2023.

SEC source: 0001209191-21-038279 · doc4.xml · derivative · entry 6

Xilas Andrew · CIK 0001863490 · SVP and GM, Dental

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,533

Underlying: Ordinary Shares · 113 shares

Expires not disclosed

F6 · derivative.exercise_price: Reflects 113 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 265 performance-based restricted stock units ("PSUs") of Cantel in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel PSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in equal installments on 10/10/2021 and 10/10/2022.

F6 · price: Reflects 113 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 265 performance-based restricted stock units ("PSUs") of Cantel in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel PSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in equal installments on 10/10/2021 and 10/10/2022.

F6 · derivative.exercise_date: Reflects 113 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 265 performance-based restricted stock units ("PSUs") of Cantel in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel PSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in equal installments on 10/10/2021 and 10/10/2022.

F6 · derivative.expiration_date: Reflects 113 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 265 performance-based restricted stock units ("PSUs") of Cantel in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel PSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in equal installments on 10/10/2021 and 10/10/2022.

SEC source: 0001209191-21-038279 · doc4.xml · derivative · entry 5

Xilas Andrew · CIK 0001863490 · SVP and GM, Dental

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,420

Underlying: Ordinary Shares · 999 shares

Expires not disclosed

F5 · derivative.exercise_price: Reflects 999 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 2,345 Cantel RSUs in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel RSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in three equal installments on 12/2/2021, 12/2/2022 and 12/2/2023.

F5 · price: Reflects 999 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 2,345 Cantel RSUs in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel RSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in three equal installments on 12/2/2021, 12/2/2022 and 12/2/2023.

F5 · derivative.exercise_date: Reflects 999 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 2,345 Cantel RSUs in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel RSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in three equal installments on 12/2/2021, 12/2/2022 and 12/2/2023.

F5 · derivative.expiration_date: Reflects 999 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 2,345 Cantel RSUs in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel RSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in three equal installments on 12/2/2021, 12/2/2022 and 12/2/2023.

SEC source: 0001209191-21-038279 · doc4.xml · derivative · entry 4

Xilas Andrew · CIK 0001863490 · SVP and GM, Dental

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,421

Underlying: Ordinary Shares · 1,445 shares

Expires not disclosed

F4 · derivative.exercise_price: Reflects 1,445 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 3,390 Cantel RSUs in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel RSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in three equal installments on 10/7/2021, 10/7/2022 and 10/7/2023.

F4 · price: Reflects 1,445 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 3,390 Cantel RSUs in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel RSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in three equal installments on 10/7/2021, 10/7/2022 and 10/7/2023.

F4 · derivative.exercise_date: Reflects 1,445 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 3,390 Cantel RSUs in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel RSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in three equal installments on 10/7/2021, 10/7/2022 and 10/7/2023.

F4 · derivative.expiration_date: Reflects 1,445 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 3,390 Cantel RSUs in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel RSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in three equal installments on 10/7/2021, 10/7/2022 and 10/7/2023.

SEC source: 0001209191-21-038279 · doc4.xml · derivative · entry 3

Xilas Andrew · CIK 0001863490 · SVP and GM, Dental

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 976

Underlying: Ordinary Shares · 277 shares

Expires not disclosed

F3 · derivative.exercise_price: Reflects 277 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 650 Cantel RSUs in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel RSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in two equal installments on 10/10/2021 and 10/10/2022.

F3 · price: Reflects 277 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 650 Cantel RSUs in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel RSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in two equal installments on 10/10/2021 and 10/10/2022.

F3 · derivative.exercise_date: Reflects 277 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 650 Cantel RSUs in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel RSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in two equal installments on 10/10/2021 and 10/10/2022.

F3 · derivative.expiration_date: Reflects 277 STERIS RSUs. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 650 Cantel RSUs in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel RSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in two equal installments on 10/10/2021 and 10/10/2022.

SEC source: 0001209191-21-038279 · doc4.xml · derivative · entry 2

Xilas Andrew · CIK 0001863490 · SVP and GM, Dental

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 619

Underlying: Ordinary Shares · 619 shares

Expires not disclosed

F2 · derivative.exercise_price: Reflects 619 restricted stock units ("RSUs") of STERIS. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 1,453 RSUs of Cantel in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel RSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in two equal installments on 10/10/2021 and 10/10/2022.

F2 · price: Reflects 619 restricted stock units ("RSUs") of STERIS. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 1,453 RSUs of Cantel in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel RSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in two equal installments on 10/10/2021 and 10/10/2022.

F2 · derivative.exercise_date: Reflects 619 restricted stock units ("RSUs") of STERIS. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 1,453 RSUs of Cantel in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel RSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in two equal installments on 10/10/2021 and 10/10/2022.

F2 · derivative.expiration_date: Reflects 619 restricted stock units ("RSUs") of STERIS. Each STERIS RSU represents a right to receive one Ordinary Share. These STERIS RSUs were received in exchange for 1,453 RSUs of Cantel in connection with the Mergers based on an exchange ratio of 0.4262 STERIS RSUs for every Cantel RSU outstanding immediately prior to the Mergers, with the number of resulting STERIS RSUs rounded to the nearest whole unit. These RSUs are restricted and vest in two equal installments on 10/10/2021 and 10/10/2022.

SEC source: 0001209191-21-038279 · doc4.xml · nonDerivative · entry 1

Xilas Andrew · CIK 0001863490 · SVP and GM, Dental

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 232

F1 · price: Received in exchange for 687 shares of Cantel Medical Corp. ("Cantel") common stock in connection with the acquisition of Cantel by STERIS plc ("STERIS") pursuant to a series of transactions (the "Mergers"). Holders of Cantel common stock received $16.93 in cash and 0.33787 STERIS ordinary shares ("Ordinary Shares") per Cantel share outstanding immediately prior to the Mergers.

SEC source: 0001209191-21-038261 · doc4.xml · nonDerivative · entry 1

HOLLAND CHRISTOPHER S · CIK 0001271440 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 67

F1 · price: Received in exchange for 22 shares of Cantel Medical Corp. ("Cantel") common stock in connection with the acquisition of Cantel by STERIS plc ("STERIS") pursuant to a series of transactions ("Mergers"). Holders of Cantel common stock received $16.93 in cash and 0.33787 STERIS ordinary shares per Cantel share outstanding immediately prior to the Mergers.

SEC source: 0001209191-21-038255 · doc4.xml · nonDerivative · entry 1

Breeden Richard C · CIK 0001300622 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,962

F1 · price: Received in exchange for 475 shares of Cantel Medical Corp. ("Cantel") common stock in connection with the acquisition of Cantel by STERIS plc ("STERIS") pursuant to a series of transactions ("Mergers"). Holders of Cantel common stock received $16.93 in cash and 0.33787 STERIS ordinary shares per Cantel share outstanding immediately prior to the Mergers.

SEC source: 0001209191-21-037223 · doc4.xml · nonDerivative · entry 4

Madsen Julia · CIK 0001819129 · Senior VP, Life Sciences

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,417

F5 · shares: 43 shares were withheld from the 123 restricted shares that vested on June 1, 2021. These 43 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These 123 ordinary shares are part of an award of 492 ordinary shares that were awarded to Ms. Madsen on June 1, 2020. These vested shares were valued at the NYSE closing market price on June 1, 2021.

F2 · balance_after: 2,070 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 349 on October 1, 2021; 121 on May 31, 2022; 92 on May 31, 2022; 123 on June 1, 2022; 349 on October 3, 2022; 92 on May 31, 2023; 349 on October 2, 2023; 123 on June 1, 2023; 123 on June 3, 2024 and 349 on October 1, 2024.

SEC source: 0001209191-21-037223 · doc4.xml · nonDerivative · entry 3

Madsen Julia · CIK 0001819129 · Senior VP, Life Sciences

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,460

F4 · shares: 32 shares were withheld from the 92 restricted shares that vested on June 1, 2021. These 32 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These 92 ordinary shares are part of an award of 368 ordinary shares that were awarded to Ms. Madsen on May 31, 2019. These vested shares were valued at the NYSE closing market price on June 1, 2021.

F2 · balance_after: 2,070 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 349 on October 1, 2021; 121 on May 31, 2022; 92 on May 31, 2022; 123 on June 1, 2022; 349 on October 3, 2022; 92 on May 31, 2023; 349 on October 2, 2023; 123 on June 1, 2023; 123 on June 3, 2024 and 349 on October 1, 2024.

SEC source: 0001209191-21-037223 · doc4.xml · nonDerivative · entry 2

Madsen Julia · CIK 0001819129 · Senior VP, Life Sciences

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,492

F3 · shares: 42 shares were withheld from the 121 restricted shares that vested on June 1, 2021. These 42 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These 121 ordinary shares are part of an award of 484 ordinary shares that were awarded to Ms. Madsen on May 31, 2018. These vested shares were valued at the NYSE closing market price on June 1, 2021.

F2 · balance_after: 2,070 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 349 on October 1, 2021; 121 on May 31, 2022; 92 on May 31, 2022; 123 on June 1, 2022; 349 on October 3, 2022; 92 on May 31, 2023; 349 on October 2, 2023; 123 on June 1, 2023; 123 on June 3, 2024 and 349 on October 1, 2024.

SEC source: 0001209191-21-037223 · doc4.xml · nonDerivative · entry 1

Madsen Julia · CIK 0001819129 · Senior VP, Life Sciences

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,534

F1 · shares: 107 shares were withheld from the 308 restricted shares that vested on June 1, 2021. These 107 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These 308 ordinary shares are part of an award of 1,232 ordinary shares that were awarded to Ms. Madsen on May 30, 2017. These vested shares were valued at the NYSE closing market price on June 1, 2021.

F2 · balance_after: 2,070 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 349 on October 1, 2021; 121 on May 31, 2022; 92 on May 31, 2022; 123 on June 1, 2022; 349 on October 3, 2022; 92 on May 31, 2023; 349 on October 2, 2023; 123 on June 1, 2023; 123 on June 3, 2024 and 349 on October 1, 2024.

SEC source: 0001209191-21-037217 · doc4.xml · nonDerivative · entry 1

Fraser Mary Clare · CIK 0001818882 · Vice President & Chief HRO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,930

F1 · shares: 234 shares were withheld from the 791 restricted shares that vested on June 1, 2021. These 234 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These 791 ordinary shares are part of an award of 3,164 ordinary shares that were awarded to Ms. Fraser on August 4, 2020. These vested shares were valued at the NYSE closing market price on June 1, 2021.

F2 · balance_after: 2,373 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 791 on June 1, 2022; 791 on June 1, 2023 and 791 on June 3, 2024.

SEC source: 0001209191-21-037226 · doc4.xml · nonDerivative · entry 1

TOKICH MICHAEL J · CIK 0001235611 · Sr. Vice Pres., CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,576

F1 · shares: 1,946 shares were withheld from the 6,000 restricted shares that vested on June 1, 2021. These 1,946 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These 6,000 ordinary shares were awarded to Mr. Tokich on May 30, 2017. These vested shares were valued at the NYSE closing market price on June 1, 2021.

F2 · balance_after: 9,472 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 4,240 on May 31, 2022; 2,780 on May 31, 2023 and 2,452 on June 3, 2024.

SEC source: 0001209191-21-037220 · doc4.xml · nonDerivative · entry 1

Tamaro Renato · CIK 0001713987 · V.P. & Corporate Treasurer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,796

F1 · shares: 133 shares were withheld from the 412 restricted shares that vested on June 1, 2021. These 133 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These 412 ordinary shares were awarded to Mr. Tamaro on May 30, 2017. These vested shares were valued at the NYSE closing market price on June 1, 2021.

F2 · balance_after: 1,624 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 484 on May 31, 2022; 556 on May 31, 2023 and 584 on June 3, 2024.

SEC source: 0001209191-21-037212 · doc4.xml · nonDerivative · entry 1

Burton Karen L · CIK 0001697095 · VP, Controller & CAO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,247

F1 · shares: 897 shares were withheld from the 3,000 restricted shares that vested on June 1, 2021. These 897 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These 3,000 ordinary shares were awarded to Ms. Burton on May 30, 2017. These vested shares were valued at the NYSE closing market price on June 1, 2021.

F2 · balance_after: 3,144 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 1,332 on May 31, 2022; 396 on June 1, 2022; 765 on May 31, 2022; 255 on May 31, 2023; 198 on June 1, 2023 and 198 on June 3, 2024.