Tranche Update on West Pharmaceutical Services, Inc.'s Equity Buyback Plan announced on February 16, 2023.

West Pharmaceutical Services, Inc. specializes in the design, manufacture and marketing of components and systems for the containment and delivery of injectable drugs. The group offers packaging, components for syringes, cartridge systems, auto-injection devices, accessories for vials, specialty components, etc. Net sales break down by family of products as follows: - own manufactured products (81.8%); - products manufactured under contract (18.2%). Net sales are distributed geographically as follows: the United States (42.3%), Germany (16.8%), Ireland (8.7%), France (7.5%), Europe (12.1%) and other (12.6%).