STE

SEC source: 0001209191-19-021597 · doc4.xml · derivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,700

Underlying: Ordinary Shares · 3,700 shares

Expires 2022-05-30

F4 · price: This option to purchase 3,700 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 3,700 Old STERIS ordinary shares for $29.94 per share, subject to the same terms and conditions as the original Old STERIS stock option.

F4 · derivative.exercise_date: This option to purchase 3,700 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 3,700 Old STERIS ordinary shares for $29.94 per share, subject to the same terms and conditions as the original Old STERIS stock option.

SEC source: 0001209191-19-021597 · doc4.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,800

Underlying: Ordinary Shares · 3,800 shares

Expires 2021-05-31

F3 · price: This option to purchase 3,800 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 3,800 Old STERIS ordinary shares for $36.09 per share, subject to the same terms and conditions as the original Old STERIS stock option.

F3 · derivative.exercise_date: This option to purchase 3,800 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 3,800 Old STERIS ordinary shares for $36.09 per share, subject to the same terms and conditions as the original Old STERIS stock option.

SEC source: 0001209191-19-021597 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,404

F1 · shares: 7,016 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 764 on May 28, 2019; 700 on October 1, 2019; 1,220 on June 1, 2020; 3,000 on June 1, 2021; and 1,332 on May 31, 2022.

F2 · price: Represents ordinary shares of STERIS plc, a public limited company organized under the laws of Ireland ("STERIS") received by the reporting person pursuant to a court-approved scheme of arrangement under English law (the "Scheme"). In connection with the Scheme, the reporting person received shares of STERIS in an amount equal to the number of the reporting person's cancelled shares of STERIS plc, a public limited company organized under the laws of England and Wales ("Old STERIS"). The reporting person's STERIS shares are subject to terms and conditions, including restrictions, substantially identical to those that were applicable to the Old STERIS shares. Following the completion of the Scheme, STERIS became the ultimate holding company of Old STERIS.

F1 · balance_after: 7,016 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 764 on May 28, 2019; 700 on October 1, 2019; 1,220 on June 1, 2020; 3,000 on June 1, 2021; and 1,332 on May 31, 2022.

SEC source: 0001209191-19-021596 · doc4.xml · derivative · entry 12

Breeden Richard C · CIK 0001300622 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,716

Underlying: Ordinary Shares · 12,716 shares

Expires not disclosed

F13 · derivative.exercise_price: These career restricted stock units were assumed by STERIS pursuant to the Scheme and converted to career restricted stock units of STERIS representing the right to receive 12,716 STERIS ordinary shares. These career restricted stock units are fully vested and will be settled in STERIS ordinary shares six months after the cessation of the reporting person's board service, subject to the terms and conditions of the award agreement.

F13 · derivative.exercise_date: These career restricted stock units were assumed by STERIS pursuant to the Scheme and converted to career restricted stock units of STERIS representing the right to receive 12,716 STERIS ordinary shares. These career restricted stock units are fully vested and will be settled in STERIS ordinary shares six months after the cessation of the reporting person's board service, subject to the terms and conditions of the award agreement.

F13 · derivative.expiration_date: These career restricted stock units were assumed by STERIS pursuant to the Scheme and converted to career restricted stock units of STERIS representing the right to receive 12,716 STERIS ordinary shares. These career restricted stock units are fully vested and will be settled in STERIS ordinary shares six months after the cessation of the reporting person's board service, subject to the terms and conditions of the award agreement.

SEC source: 0001209191-19-021596 · doc4.xml · derivative · entry 11

Breeden Richard C · CIK 0001300622 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,495

Underlying: Ordinary Shares · 3,495 shares

Expires 2028-08-09

F12 · price: This option to purchase 3,495 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 3,495 Old STERIS ordinary shares for $114.74 per share, subject to the same terms and conditions as the original Old STERIS stock option.

F12 · derivative.exercise_date: This option to purchase 3,495 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 3,495 Old STERIS ordinary shares for $114.74 per share, subject to the same terms and conditions as the original Old STERIS stock option.

SEC source: 0001209191-19-021596 · doc4.xml · derivative · entry 10

Breeden Richard C · CIK 0001300622 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,058

Underlying: Ordinary Shares · 4,058 shares

Expires 2027-08-09

F11 · price: This option to purchase 4,058 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 4,058 Old STERIS ordinary shares for $86.23 per share, subject to the same terms and conditions as the original Old STERIS stock option.

F11 · derivative.exercise_date: This option to purchase 4,058 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 4,058 Old STERIS ordinary shares for $86.23 per share, subject to the same terms and conditions as the original Old STERIS stock option.

SEC source: 0001209191-19-021596 · doc4.xml · derivative · entry 9

Breeden Richard C · CIK 0001300622 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,781

Underlying: Ordinary Shares · 3,781 shares

Expires 2026-08-10

F10 · price: This option to purchase 3,781 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 3,781 Old STERIS ordinary shares for $71.40 per share, subject to the same terms and conditions as the original Old STERIS stock option.

F10 · derivative.exercise_date: This option to purchase 3,781 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 3,781 Old STERIS ordinary shares for $71.40 per share, subject to the same terms and conditions as the original Old STERIS stock option.

SEC source: 0001209191-19-021596 · doc4.xml · derivative · entry 8

Breeden Richard C · CIK 0001300622 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,110

Underlying: Ordinary Shares · 4,110 shares

Expires 2025-08-31

F9 · price: This option to purchase 4,110 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 4,110 Old STERIS ordinary shares for $64.05 per share, subject to the same terms and conditions as the original Old STERIS stock option.

F9 · derivative.exercise_date: This option to purchase 4,110 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 4,110 Old STERIS ordinary shares for $64.05 per share, subject to the same terms and conditions as the original Old STERIS stock option.

SEC source: 0001209191-19-021596 · doc4.xml · derivative · entry 7

Breeden Richard C · CIK 0001300622 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,584

Underlying: Ordinary Shares · 4,584 shares

Expires 2024-08-06

F8 · price: This option to purchase 4,584 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 4,584 Old STERIS ordinary shares for $51.53 per share, subject to the same terms and conditions as the original Old STERIS stock option.

F8 · derivative.exercise_date: This option to purchase 4,584 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 4,584 Old STERIS ordinary shares for $51.53 per share, subject to the same terms and conditions as the original Old STERIS stock option.

SEC source: 0001209191-19-021596 · doc4.xml · derivative · entry 6

Breeden Richard C · CIK 0001300622 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,657

Underlying: Ordinary Shares · 4,657 shares

Expires 2023-08-08

F7 · price: This option to purchase 4,657 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 4,657 Old STERIS ordinary shares for $43.92 per share, subject to the same terms and conditions as the original Old STERIS stock option.

F7 · derivative.exercise_date: This option to purchase 4,657 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 4,657 Old STERIS ordinary shares for $43.92 per share, subject to the same terms and conditions as the original Old STERIS stock option.

SEC source: 0001209191-19-021596 · doc4.xml · derivative · entry 5

Breeden Richard C · CIK 0001300622 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,218

Underlying: Ordinary Shares · 3,218 shares

Expires 2022-08-03

F6 · price: This option to purchase 3,218 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 3,218 Old STERIS ordinary shares for $32.36 per share, subject to the same terms and conditions as the original Old STERIS stock option.

F6 · derivative.exercise_date: This option to purchase 3,218 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 3,218 Old STERIS ordinary shares for $32.36 per share, subject to the same terms and conditions as the original Old STERIS stock option.

SEC source: 0001209191-19-021596 · doc4.xml · derivative · entry 4

Breeden Richard C · CIK 0001300622 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,121

Underlying: Ordinary Shares · 3,121 shares

Expires 2021-08-03

F5 · price: This option to purchase 3,121 STERIS ordinary shares, which is fully vested, was received under the Scheme 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.

F5 · derivative.exercise_date: This option to purchase 3,121 STERIS ordinary shares, which is fully vested, was received under the Scheme 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.

SEC source: 0001209191-19-021596 · doc4.xml · derivative · entry 3

Breeden Richard C · CIK 0001300622 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,133

Underlying: Ordinary Shares · 3,133 shares

Expires 2020-08-04

F4 · price: This option to purchase 3,133 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 3,133 Old STERIS ordinary shares for $32.34 per share, subject to the same terms and conditions as the original Old STERIS stock option.

F4 · derivative.exercise_date: This option to purchase 3,133 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 3,133 Old STERIS ordinary shares for $32.34 per share, subject to the same terms and conditions as the original Old STERIS stock option.

SEC source: 0001209191-19-021596 · doc4.xml · nonDerivative · entry 2

Breeden Richard C · CIK 0001300622 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote Below.

Disclosed balance after: 72,242

F1 · price: Represents ordinary shares of STERIS plc, a public limited company organized under the laws of Ireland ("STERIS") received by the reporting person pursuant to a court-approved scheme of arrangement under English law (the "Scheme"). In connection with the Scheme, the reporting person received shares of STERIS in an amount equal to the number of the reporting person's cancelled shares of STERIS plc, a public limited company organized under the laws of England and Wales ("Old STERIS"). The reporting person's STERIS shares are subject to terms and conditions, including restrictions, substantially identical to those that were applicable to the Old STERIS shares. Following the completion of the Scheme, STERIS became the ultimate holding company of Old STERIS.

F2 · ownership.nature: Richard C. Breeden is the managing member of Breeden Capital Partners LLC, managing member and chairman and chief executive officer of Breeden Capital Management LLC. Breeden Capital Partners LLC is in turn the general partner of Breeden Partners L.P. (the "Fund").

F3 · ownership.nature: Pursuant to Rule 16a-1(a)(2)(ii)(B) of the Securities Exchange Act of 1934, as amended, Mr. Breeden in his capacity as managing member, as well as chairman and chief executive officer of Breeden Capital Management LLC and as the managing member of Breeden Capital Partners LLC, may be deemed to be the indirect beneficial owner of the ordinary shares owned by the Fund and its General Partner, and may be deemed to have beneficial ownership of all such shares.

SEC source: 0001209191-19-021596 · doc4.xml · nonDerivative · entry 1

Breeden Richard C · CIK 0001300622 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,548

F1 · price: Represents ordinary shares of STERIS plc, a public limited company organized under the laws of Ireland ("STERIS") received by the reporting person pursuant to a court-approved scheme of arrangement under English law (the "Scheme"). In connection with the Scheme, the reporting person received shares of STERIS in an amount equal to the number of the reporting person's cancelled shares of STERIS plc, a public limited company organized under the laws of England and Wales ("Old STERIS"). The reporting person's STERIS shares are subject to terms and conditions, including restrictions, substantially identical to those that were applicable to the Old STERIS shares. Following the completion of the Scheme, STERIS became the ultimate holding company of Old STERIS.

SEC source: 0001209191-19-021595 · doc4.xml · derivative · entry 7

Bardwell Kathleen · CIK 0001532367 · Sr.V. P. & C.C.O.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,332

Underlying: Ordinary Shares · 9,332 shares

Expires 2028-05-31

F8 · price: This option becomes exercisable as follows: 2,333 on May 31, 2019; 2,333 on June 1, 2020; 2,333 on June 1, 2021 and 2,333 on May 31, 2022. This option was received under the Scheme in exchange for an option to purchase 9,332 STERIS ordinary shares for $114.22 per share, subject to the same terms and conditions as the original Old STERIS stock option.

F8 · derivative.exercise_date: This option becomes exercisable as follows: 2,333 on May 31, 2019; 2,333 on June 1, 2020; 2,333 on June 1, 2021 and 2,333 on May 31, 2022. This option was received under the Scheme in exchange for an option to purchase 9,332 STERIS ordinary shares for $114.22 per share, subject to the same terms and conditions as the original Old STERIS stock option.

SEC source: 0001209191-19-021595 · doc4.xml · derivative · entry 6

Bardwell Kathleen · CIK 0001532367 · Sr.V. P. & C.C.O.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Ordinary Shares · 10,000 shares

Expires 2027-05-30

F7 · price: This option becomes exercisable as follows: 2,500 on May 30, 2018; 2,500 on May 30, 2019; 2,500 on June 1, 2020 and 2,500 on June 1, 2021. This option was received under the Scheme in exchange for an option to purchase 10,000 STERIS ordinary shares for $77.07 per share, subject to the same terms and conditions as the original Old STERIS stock option.

F7 · derivative.exercise_date: This option becomes exercisable as follows: 2,500 on May 30, 2018; 2,500 on May 30, 2019; 2,500 on June 1, 2020 and 2,500 on June 1, 2021. This option was received under the Scheme in exchange for an option to purchase 10,000 STERIS ordinary shares for $77.07 per share, subject to the same terms and conditions as the original Old STERIS stock option.

SEC source: 0001209191-19-021595 · doc4.xml · derivative · entry 5

Bardwell Kathleen · CIK 0001532367 · Sr.V. P. & C.C.O.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Ordinary Shares · 7,000 shares

Expires 2026-06-01

F6 · price: This option becomes exercisable as follows: 1,750 on June 1, 2017; 1,750 on June 1, 2018; 1,750 on June 3, 2019 and 1,750 on June 1, 2020. This option was received under the Scheme in exchange for an option to purchase 7,000 STERIS ordinary shares for $69.72 per share, subject to the same terms and conditions as the original Old STERIS stock option.

F6 · derivative.exercise_date: This option becomes exercisable as follows: 1,750 on June 1, 2017; 1,750 on June 1, 2018; 1,750 on June 3, 2019 and 1,750 on June 1, 2020. This option was received under the Scheme in exchange for an option to purchase 7,000 STERIS ordinary shares for $69.72 per share, subject to the same terms and conditions as the original Old STERIS stock option.

SEC source: 0001209191-19-021595 · doc4.xml · derivative · entry 4

Bardwell Kathleen · CIK 0001532367 · Sr.V. P. & C.C.O.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Ordinary Shares · 10,000 shares

Expires 2025-08-10

F5 · price: This option becomes exercisable as follows: 2,500 on May 28, 2016; 2,500 on May 28, 2017; 2,500 on May 28, 2018 and 2,500 on May 28, 2019. This option was received under the Scheme in exchange for an option to purchase 10,000 STERIS ordinary shares for $67.98 per share, subject to the same terms and conditions as the original Old STERIS stock option.

F5 · derivative.exercise_date: This option becomes exercisable as follows: 2,500 on May 28, 2016; 2,500 on May 28, 2017; 2,500 on May 28, 2018 and 2,500 on May 28, 2019. This option was received under the Scheme in exchange for an option to purchase 10,000 STERIS ordinary shares for $67.98 per share, subject to the same terms and conditions as the original Old STERIS stock option.

SEC source: 0001209191-19-021595 · doc4.xml · derivative · entry 3

Bardwell Kathleen · CIK 0001532367 · Sr.V. P. & C.C.O.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,000

Underlying: Ordinary Shares · 7,000 shares

Expires 2024-05-30

F4 · price: This option to purchase 7,000 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 7,000 Old STERIS ordinary shares for $53.52 per share, subject to the same terms and conditions as the original Old STERIS stock option

F4 · derivative.exercise_date: This option to purchase 7,000 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 7,000 Old STERIS ordinary shares for $53.52 per share, subject to the same terms and conditions as the original Old STERIS stock option

SEC source: 0001209191-19-021595 · doc4.xml · derivative · entry 2

Bardwell Kathleen · CIK 0001532367 · Sr.V. P. & C.C.O.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,360

Underlying: Ordinary Shares · 5,360 shares

Expires 2023-05-31

F3 · price: This option to purchase 5,360 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 5,360 Old STERIS ordinary shares for $45.34 per share, subject to the same terms and conditions as the original Old STERIS stock option.

F3 · derivative.exercise_date: This option to purchase 5,360 STERIS ordinary shares, which is fully vested, was received under the Scheme in exchange for an option to purchase 5,360 Old STERIS ordinary shares for $45.34 per share, subject to the same terms and conditions as the original Old STERIS stock option.

SEC source: 0001209191-19-021595 · doc4.xml · nonDerivative · entry 1

Bardwell Kathleen · CIK 0001532367 · Sr.V. P. & C.C.O.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,441

F1 · shares: 5,072 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 625 on May 28, 2019; 500 on May 30, 2019; 393 on May 31, 2019; 500 on June 3, 2019; 375 on October 1, 2019; 500 on June 1, 2020; 500 on June 1, 2020; 393 on June 1, 2020; 500 on June 1, 2021; 393 on June 1, 2021 and 393 on May 31, 2022.

F2 · price: Represents ordinary shares of STERIS plc, a public limited company organized under the laws of Ireland ("STERIS") received by the reporting person pursuant to a court-approved scheme of arrangement under English law (the "Scheme"). In connection with the Scheme, the reporting person received shares of STERIS in an amount equal to the number of the reporting person's cancelled shares of STERIS plc, a public limited company organized under the laws of England and Wales ("Old STERIS"). The reporting person's STERIS shares are subject to terms and conditions, including restrictions, substantially identical to those that were applicable to the Old STERIS shares. Following the completion of the Scheme, STERIS became the ultimate holding company of Old STERIS.

F1 · balance_after: 5,072 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 625 on May 28, 2019; 500 on May 30, 2019; 393 on May 31, 2019; 500 on June 3, 2019; 375 on October 1, 2019; 500 on June 1, 2020; 500 on June 1, 2020; 393 on June 1, 2020; 500 on June 1, 2021; 393 on June 1, 2021 and 393 on May 31, 2022.

SEC source: 0001209191-19-036085 · doc4a.xml · nonDerivative · entry 2

Steeves Richard Martin · CIK 0001657245 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote Below.

Disclosed balance after: 27,919

F1 · price: Represents ordinary shares of STERIS plc, a public limited company organized under the laws of Ireland ("STERIS") received by the reporting person pursuant to a court-approved scheme of arrangement under English law (the "Scheme"). In connection with the Scheme, the reporting person received shares of STERIS in an amount equal to the number of the reporting person's cancelled shares of STERIS plc, a public limited company organized under the laws of England and Wales ("Old STERIS"). The reporting person's STERIS shares are subject to terms and conditions, including restrictions, substantially identical to those that were applicable to the Old STERIS shares. Following the completion of the Scheme, STERIS became the ultimate holding company of Old STERIS.

F3 · balance_after: These ordinary shares are held by the Reporting Person's spouse. Excludes 179,631 shares reported on the Form 4 as beneficially owned indirectly by the Reporting Person's spouse. A corresponding inaccuracy was reported in the Reporting Person's Form 4 filing of November 2, 2015, as amended March 7, 2018, with respect to the issuer's predecessor.

F3 · ownership.nature: These ordinary shares are held by the Reporting Person's spouse. Excludes 179,631 shares reported on the Form 4 as beneficially owned indirectly by the Reporting Person's spouse. A corresponding inaccuracy was reported in the Reporting Person's Form 4 filing of November 2, 2015, as amended March 7, 2018, with respect to the issuer's predecessor.

SEC source: 0001209191-19-036085 · doc4a.xml · nonDerivative · entry 1

Steeves Richard Martin · CIK 0001657245 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 188,000

F1 · price: Represents ordinary shares of STERIS plc, a public limited company organized under the laws of Ireland ("STERIS") received by the reporting person pursuant to a court-approved scheme of arrangement under English law (the "Scheme"). In connection with the Scheme, the reporting person received shares of STERIS in an amount equal to the number of the reporting person's cancelled shares of STERIS plc, a public limited company organized under the laws of England and Wales ("Old STERIS"). The reporting person's STERIS shares are subject to terms and conditions, including restrictions, substantially identical to those that were applicable to the Old STERIS shares. Following the completion of the Scheme, STERIS became the ultimate holding company of Old STERIS.

F2 · balance_after: Excludes 993 shares previously reported on a Form 4 filing made March 28, 2019 (the "Form 4"), which shares should not have been reported because they were not beneficially owned by the Reporting Person. Also includes 179,631 shares reported on the Form 4 as beneficially owned indirectly by the Reporting Person's spouse that were instead beneficially owned directly by the Reporting Person. Corresponding inaccuracies were reported in the Reporting Person's Form 4 filing of November 2, 2015, as amended March 7, 2018, with respect to the issuer's predecessor.

SEC source: 0001209191-19-039273 · doc4a.xml · nonDerivative · entry 1

deZwaan Michiel · CIK 0001616395 · V.P., Human Resources & CHRO

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote Below.

Disclosed balance after: 30

F1 · shares: The Reporting Person failed to report ordinary share equivalents held in the STERIS Corporation 401k Plan. A corresponding failure to report was made in the Reporting Person's Form 4 filing made March 28, 2019 with respect to Old STERIS (as hereinafter defined).

F2 · price: Represents ordinary shares of STERIS plc, a public limited company organized under the laws of Ireland ("STERIS"), received by the Reporting Person pursuant to a court-approved scheme of arrangement under English law (the "Scheme"). In connection with the Scheme, the Reporting Person received shares of STERIS in an amount equal to the number of the Reporting Person's cancelled shares of STERIS plc, a public limited company organized under the laws of England and Wales ("Old STERIS"). The Reporting Person's STERIS shares are subject to terms and conditions, including restrictions, substantially identical to those that were applicable to the Old STERIS shares, except as otherwise required by law. Following the completion of the Scheme, STERIS became the ultimate holding company of Old STERIS.

F3 · ownership.nature: Represents 30 ordinary share equivalents held on behalf of the Reporting Person under the STERIS Corporation 401(k) Plan as of March 28, 2019.