X0508 4 2024-12-16 0000105770 WEST PHARMACEUTICAL SERVICES INC WST 0001185136 HAUGEN JANET BRUTSCHEA 530 HERMAN O. WEST DRIVE EXTON PA 19341 1 0 Common Stock 2024-12-16 4 A 0 424 A 424 D These shares of restricted stock units will vest in full on the date of the next annual shareholder meeting and will be distributable under the terms of the Deferred Compensation Plan for Outside Directors. /s/ Louis Lalli, as an agent for Janet Haugen 2024-12-18