Guarantor Joinder Agreement dated March 28, 2019 by STERIS plc and STERIS Emerald IE Limited in favor of JPMorgan Chase Bank, N.A., as Administrative Agent

This Guarantor Joinder Agreement (this “Agreement”) dated as of March 28, 2019 is made by each of the parties on Schedule I hereto (the “Additional Guarantors”), in favor of JPMorgan Chase Bank, N.A., as Administrative Agent (in such capacity, the “Administrative Agent”) for the Lenders under the Credit Agreement referred to below.

WHEREAS, reference is made to the Credit Agreement dated as of March 23, 2018, as amended by that certain First Amendment dated as of March 5, 2019 (as may be further amended, amended and restated, supplemented or otherwise modified, the “Credit Agreement”), among STERIS Limited, a company organized under the laws of England and Wales (formerly known as STERIS plc) (“STERIS Limited”), as a Borrower, STERIS Corporation (“STERIS Corporation”), as a Borrower, the Guarantors parties thereto from time to time, the Lenders parties thereto and the Administrative Agent.

WHEREAS, pursuant to the Credit Agreement, the Lenders have severally agreed to make Advances to the Borrowers upon the terms and subject to the conditions set forth therein;

WHEREAS, each Additional Guarantor is an Affiliate of STERIS Limited;

WHEREAS, the proceeds of the Advances may be used in part to enable the Borrowers to make valuable transfers to the Additional Guarantors in connection with the operation of their respective businesses; and

WHEREAS, each Additional Guarantor acknowledges that it will derive a substantial direct or indirect benefit from the making of the Advances.

Accordingly, the parties hereto agree as follows:

Section 1. Definitions. Except as otherwise defined in this Agreement, terms defined in the Credit Agreement are used herein as defined therein.

Section 2. Joinder. As of the date hereof, each Additional Guarantor hereby agrees that it shall become a “Guarantor” under and for all purposes of the Credit Agreement with the same force and effect as if originally named therein as a Guarantor and, without limiting the generality of the foregoing, hereby expressly assumes all obligations and liabilities of a Guarantor under the Credit Agreement and the other Loan Documents, including those set forth in ARTICLE VIII of the Credit Agreement.

Section 3. Governing Law. This Agreement shall be governed by, and construed in accordance with, the laws of the State of New York.

Section 4. Execution in Counterparts. This Agreement may be executed in any number of counterparts and by different parties hereto in separate counterparts, each of which when so executed shall be deemed to be an original and all of which taken together shall constitute one and the same agreement. Delivery of an executed counterpart of a signature page to this Agreement by telecopier, facsimile or in a .pdf or similar file shall be effective as delivery of a manually executed counterpart of this Agreement.

Section 5. Miscellaneous. This Agreement shall constitute a “Loan Document” for all purposes of the Credit Agreement and the other Loan Documents.

IN WITNESS WHEREOF, the Additional Guarantors have caused this Guarantor Joinder Agreement to be duly executed and delivered as of the day and year first above written.

Acknowledged:

JPMORGAN CHASE BANK, N.A., as Administrative Agent

STERIS plc

STERIS Emerald IE Limited