James Hardie Appoints Nigel Stein As Board Chair And Forms Integration & Performance Committee

Forms Integration and Performance Committee of the Board

James Hardie Industries plc (NYSE/ASX: JHX) ("James Hardie" or the "Company"), a leading provider of exterior home and outdoor living solutions, today announced the appointment of Nigel Stein as Chair of the James Hardie Board of Directors, effective November 17, 2025. Mr. Stein is an independent non-executive director of James Hardie and serves on the Board's Nominating and Governance Committee.

Consistent with the Company's commitment to shareholder value creation and supporting the successful integration of the AZEK business, the Company also announced the formation of an ad-hoc Integration and Performance Committee of the Board (the "Committee") during this important period, which will oversee and support the integration, synergy delivery, and overall business performance. The Committee will be chaired by Jesse Singh, current member of the Board, and will include Aaron Erter, CEO and member of the Board, as well as current Board members Howard Heckes and Persio Lisboa.