GUARANTOR JOINDER AGREEMENT

This Guarantor Joinder Agreement (this "Agreement") dated as of September 9, 2015 is made by General Econopak, Inc., a Pennsylvania corporation (the "Additional Guarantor"), 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 31, 2015 (as amended, amended and restated, supplemented or otherwise modified and in effect on the date hereof, the ("Credit Agreement"), among New Steris Limited ("New HoldCo"), as a Borrower, STERIS Corporation ("STERIS"), 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, the Additional Guarantor is a Subsidiary of the Reporting Entity;

WHEREAS, the proceeds of the Advances will be used in part to enable the Borrowers to make valuable transfers to the Additional Guarantor in connection with the operation of its business;

WHEREAS, the 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, the 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

GENERAL ECONOPAK, INC.

By: /s/ Michael J. Tokich        

Name: Michael J. Tokich

Title: President

Acknowledged:

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

By:     /s/ Brendan Korb        

Name: Brendan Korb

Title: Vice President