Avantor Performance Materials, Inc.

Avantor, Inc. disclosed in its 10-K Item 1C that no cybersecurity incidents during the year ended December 31, 2025 resulted in operational interruption, known data loss, or material impact on financial condition. The company maintains an active cybersecurity risk management program aligned with NIST frameworks and achieved ISO/IEC 27001 certification in August 2025. Governance is overseen by the Audit and Finance Committee, with the CISO reporting to executive leadership and the Board.