POWER OF ATTORNEY



 Know all by these presents, that the undersigned hereby

constitutes and appoints each of Jeffery Schwartz and Jason

Wynn, the undersigned's true and lawful attorney-in-fact:



(1) to execute for and on behalf of the undersigned, in the

undersigned's capacity as an officer and/or director of (the

"Company"), Forms 3, 4, and 5 in accordance with Section 16(a)

of the Securities Exchange Act of 1934 and the rules

thereunder, and Form 144 in accordance with the requirements

of the Securities Act of 1933;



(2) to do and perform such acts for and on behalf of the

undersigned as may be necessary or desirable to complete and

execute any such Form 3, 4, or 5, and Form 144, and timely

file such forms with the United States Securities and Exchange

Commission and any stock exchange or similar authority; and



(3) to take such other actions as such attorney-in-fact, on advice

of counsel, may deem to be of benefit to, in the best

interests of, or legally required by, the undersigned, it

being understood that the documents executed by such attorney-

in-fact on behalf of the undersigned pursuant to this Power of

Attorney shall be in such form and shall contain such terms

and conditions as such attorney-in-fact may approve in such

attorney-in-fact's discretion.



 The undersigned hereby grants to each such attorney-in-

fact full power and authority to do and perform any and every

act and thing whatsoever requisite, necessary, or proper to be

done in the exercise of any of the rights and powers herein

granted, as fully to all intents and purposes as the

undersigned might or could do if personally present, with full

power of substitution or revocation, hereby ratifying and

confirming all that such attorney-in-fact, or such attorney-

in-fact's substitute or substitutes, shall lawfully do or

cause to be done by virtue of this Power of Attorney and the

rights and powers herein granted. The undersigned acknowledges

that the foregoing attorneys-in-fact, in serving in such

capacity at the request of the undersigned, are not assuming,

nor is the Company assuming, any of the undersigned's

responsibilities to comply with Section 16 of the Securities

Exchange Act of 1934, or the undersigned?s responsibilities to

comply with the Securities Act of 1933.



 This Power of Attorney shall remain in full force and

effect until the undersigned is no longer required to file

Forms 3, 4, and 5, and/or Form 144, with respect to the

undersigned's holdings of and transactions in securities

issued by the Company, unless earlier revoked by the

undersigned in a signed writing delivered to the foregoing

attorney-in-fact.



 IN WITNESS WHEREOF, the undersigned has caused this Power

of Attorney to be executed as of this 19th day of August, 2021.





Witness:      Gregory Repas



       /:/ Gregory Repas