LIMITED POWER OF ATTORNEY FOR
WEST PHARMACEUTICAL SERVICES, INC.
SECTION 16{al FILINGS
Know all by these presents that the undersigned hereby constitutes
and appoints each of Luis Cantarero, Roopali Hall, Ryan Metz, and
Joanne Boyle, signing singly, the undersigned's true and lawful
attorney-in-fact to:
( 1)	Execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer, director and/or shareholder of
West Pharmaceutical Services, Inc. (the "Company"), Forms 3, 4, and 5
and amendments thereto in accordance with Section 16(a) of the
Securities Exchange Act of 1934 and the rules thereunder;
(2)	Do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete and
execute any such Form 3, 4, or 5 or amendment thereto and timely file
such form with the United States Securities and Exchange Commission
(the "SEC") and any stock exchange or similar authority; and
(3)	Take any other action of any type whatsoever, which, in the
opinion of such attorney-in-fact, may be necessary or desirable in
connection with the foregoing authority, 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.
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.
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 with
respect to the undersigned's holdings of and transaction in
securities of the Company, unless earlier revoked by the undersigned
in a signed writing delivered to the foregoing attorneys-in-fact.
This Power of Attorney may be filed with the SEC as a confirming
statement of the authority granted herein.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 19th day of August 2021.
/s/ Molly Joseph
Molly Joseph