West Pharmaceutical provides update on May 4 cyberattack; fully operational, no material financial impact

WEST PHARMACEUTICAL SERVICES INC

Cybersecurity incident detected on May 4, 2026 involved data exfiltration and system encryption.
Company activated response, took systems offline globally; core enterprise and manufacturing systems restored.
All manufacturing, supply chain, and commercial sites globally are now fully operational.
No unauthorized access observed since May 5; investigation continues but incident not expected to materially affect Q2 or FY 2026 guidance.

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