Common use of Countersigned Clause in Contracts

Countersigned. By: ------------------------------ Authorized Signature B-3 48 Form of Reverse Side of Right Certificate FORM OF ASSIGNMENT (To be executed by the registered holder if such holder desires to transfer the Right Certificate) FOR VALUE RECEIVED, _______________ hereby sells, assigns and transfers unto -------------------------------------------------------------------------------- (Please print name and address of transferee) -------------------------------------------------------------------------------- this Right Certificate, together with all right, title and interest therein, and does hereby irrevocably constitute and appoint _______________ Attorney, to transfer the within Right Certificate on the books of the within-named Company, with full power of substitution. Dated: __________, ____ --------------------------- Signature Signature Guaranteed: CERTIFICATE The undersigned hereby certifies by checking the appropriate boxes that:

Countersigned. By: ------------------------------ Authorized Signature B-3 48 By --------------------- 44 [Form of Reverse Side of Right Certificate FORM OF ASSIGNMENT Certificate] Form of Assignment ------------------ (To be executed by the registered holder if such the holder desires to transfer the Right Certificate) FOR VALUE RECEIVED, RECEIVED ________________ hereby sells, assigns and transfers unto -------------------------------------------------------------------------------- _________________________ ---------------------------------------------------------------------- (Please print name and address of transferee) -------------------------------------------------------------------------------- this Right Certificate, together with all right, title and interest therein, and does hereby irrevocably constitute and appoint __________________ Attorneyas attorney, to transfer the within Right Certificate on the books of the within-named CompanySTERIS Corporation, with full power of substitution. Dated: __________, ____ --------------------------- 19 ------------------ --- -------------------------------- Signature Signature Guaranteed: CERTIFICATE Certificate ----------- The undersigned hereby certifies by checking the appropriate boxes that:

Countersigned. By[--------------------------], as Rights Agent --------------------------- Authorized Signatory Date of countersignature: ------------------------------ Authorized Signature B-3 48 [Form of Reverse Side of Right Certificate Certificate] FORM OF ASSIGNMENT (To be executed by the registered holder if such holder desires to transfer the Right Certificate.) FOR VALUE RECEIVED, RECEIVED ___________________________ hereby sells, assigns and transfers unto -------------------------------------------------------------------------------- ____________________________________ (Please print name and address of transferee) -------------------------------------------------------------------------------- ____________________________________ this Right Certificate, together with all right, title and interest therein, and does hereby irrevocably constitute and appoint ___________________ Attorney, to transfer the within Right Certificate on the books of the within-named Company, with full power of substitution. Dated: __________, ____ --------------------------- ------------------- ---- ----------------------------- Signature Signature Guaranteed: -------------- CERTIFICATE The undersigned hereby certifies by checking the appropriate boxes that:

Countersigned. By: ------------------------------ ---------------------------------- Authorized Signature B-3 48 Form of Reverse Side of Right Certificate FORM OF ASSIGNMENT (To be executed by the registered holder if such holder desires to transfer the Right Certificate) FOR VALUE RECEIVED, _______________ hereby sells, assigns and transfers unto -------------------------------------------------------------------------------- unto________________________________________________________ (Please print name and address of transferee) -------------------------------------------------------------------------------- ------------------------------------------------------------------------------ this Right Certificate, together with all right, title and interest therein, and does hereby irrevocably constitute and appoint _______________ Attorney, to transfer the within Right Certificate on the books of the within-named Company, with full power of substitution. Dated: __________-----------, ____ --------------------------- ---- ------------------------------------ Signature Signature Guaranteed: CERTIFICATE The undersigned hereby certifies by checking the appropriate boxes that:49

Countersigned. By: ------------------------------ By ------------------------------------ Authorized Signature B-3 48 Officer -B-4- [Form of Reverse Side of Right Certificate Rights Certificate] FORM OF ASSIGNMENT (To be executed by the registered holder if such holder desires to transfer the Right Rights Certificate.) FOR VALUE RECEIVED, RECEIVED ________________________________________ hereby sells, assigns and transfers unto -------------------------------------------------------------------------------- _____________________________________________ (Please print name and address of transferee) -------------------------------------------------------------------------------- this Right Rights Certificate, together with all right, title and interest therein, and does hereby irrevocably constitute and appoint ___________________ Attorney, to transfer the within Right Rights Certificate on the books of the within-named Company, with full power of substitution. Dated: __________, ____ --------------------------- ___, 19__ -------------------------------------- Signature Signature Guaranteed: CERTIFICATE Certificate The undersigned hereby certifies by checking the appropriate boxes that:

Countersigned. By: ------------------------------ ---------------------- Authorized Signature B-3 48 A-3 [Form of Reverse Side of Right Certificate Certificate] FORM OF ASSIGNMENT (To be executed by the registered holder if such holder desires to transfer the Right Certificate.) FOR VALUE RECEIVED, RECEIVED ______________________________ hereby sells, assigns and transfers unto -------------------------------------------------------------------------------- __________________. ____________________________________________________________ (Please print name and address of transferee) -------------------------------------------------------------------------------- this Right Certificate, together with all right, title and interest therein, and does hereby irrevocably constitute and appoint ____________________ Attorney, Attorney to transfer the within Right Certificate on the books of the within-named CompanyCorporation, with full power of substitution. Dated: __________, ____ --------------------------- 19 ------------ -- ------------------------------ Signature Signature Guaranteed: CERTIFICATE The undersigned hereby certifies by checking the appropriate boxes that:

Countersigned. By[---------------------------------], as Rights Agent ---------------------------------- Authorized Signatory Date of countersignature: ------------------------------ Authorized Signature B-3 48 [Form of Reverse Side of Right Certificate Certificate] FORM OF ASSIGNMENT (To be executed by the registered holder if such holder desires to transfer the Right Certificate.) FOR VALUE RECEIVED, RECEIVED ___________________________ hereby sells, assigns and transfers unto -------------------------------------------------------------------------------- ____________________________________ (Please print name and address of transferee) -------------------------------------------------------------------------------- ____________________________________ this Right Certificate, together with all right, title and interest therein, and does hereby irrevocably constitute and appoint ___________________ Attorney, to transfer the within Right Certificate on the books of the within-named Company, with full power of substitution. Dated: :_______,___ __________, ____________________ --------------------------- Signature Signature Guaranteed: CERTIFICATE The undersigned hereby certifies by checking the appropriate boxes that:___________

Countersigned. By: ------------------------------ By ---------------------------------- Authorized Signature B-3 48 42 [Form of Reverse Side of Right Certificate Rights Certificate] FORM OF ASSIGNMENT (To be executed by the registered holder if such holder desires to transfer the Right Rights Certificate) FOR VALUE RECEIVEDRECEIVED ______________________________________________hereby sells, assigns and transfers unto __________________________________________________ hereby sells, assigns and transfers unto -------------------------------------------------------------------------------- (Please print name and address of transferee) -------------------------------------------------------------------------------- this Right Rights Certificate, together with all right, title and interest therein, and does hereby irrevocably constitute and appoint _______________ ______________, Attorney, to transfer the within Right Rights Certificate on the books of the within-named Company, with full power of substitution. Dated: __________, ________________. ________________________________________ --------------------------- Signature Signature Guaranteed: CERTIFICATE Certificate The undersigned hereby certifies by checking the appropriate boxes that:

Countersigned. By: ------------------------------ --------------------------- Authorized Signature B-3 48 45 Form of Reverse Side of Right Certificate FORM OF ASSIGNMENT ------------------ (To be executed by the registered holder if such holder desires to transfer the Right Certificate) FOR VALUE RECEIVED, _______________ hereby sells, assigns and transfers unto -------------------------------------------------------------------------------- (Please print name and address of transferee) -------------------------------------------------------------------------------- ------------------------------------------------------------------------------- this Right Certificate, together with all right, title and interest therein, and does hereby irrevocably constitute and appoint _______________ Attorney, to transfer the within Right Certificate on the books of the within-named Company, with full power of substitution. Dated: __________, ____ --------------------------- -------------------------- Signature Signature Guaranteed: CERTIFICATE The undersigned hereby certifies by checking the appropriate boxes that:

Countersigned. By: ------------------------------ By ----------------------------- Authorized Signature B-3 48 [Form of Reverse Side of Right Certificate Certificate] FORM OF ASSIGNMENT (To be executed by the registered holder if such holder desires to transfer the Right CertificateCertificates.) FOR VALUE RECEIVED, RECEIVED _________________________________________________ hereby sells, assigns and transfers unto -------------------------------------------------------------------------------- _______________________________________ ________________________________________________________________________________ (Please print name and address of transferee) -------------------------------------------------------------------------------- ________________________________________________________________________________ Rights evidenced by this Right Certificate, together with all right, title and interest therein, and does hereby irrevocably constitute and appoint ________________________ Attorney, Attorney to transfer the within Right Certificate on the books of the within-named CompanyCorporation, with full power of substitution. Dated: ____________ ___, _____ --------------------------- ______________________________________ Signature Signature Guaranteed: CERTIFICATE The undersigned hereby certifies by checking the appropriate boxes that:4