Document

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-106977, 333-143129, 333-156492, 333-171453, 333-174153 and 333-211088) of West Pharmaceutical Services, Inc. of our report dated February 22, 2022 relating to the financial statements and financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.