• Ryan Lada appointed as new Chief Financial Officer
• Rachel Wilson steps down after 2 years in the role
• Lada brings extensive finance and industry experience

James Hardie Industries plc, a leading provider of exterior home and outdoor living solutions, today announced the appointment of Ryan Lada as the Company's Chief Financial Officer, effective immediately. Mr. Lada succeeds Rachel Wilson, who has decided to step down after two years in her role. To facilitate a smooth transition, Ms. Wilson will remain with the Company in an advisory role until March 31, 2026. Mr. Lada was most recently CFO at Watts Water Technologies, and immediately prior, CFO of The AZEK Company. He brings nearly two decades of global finance experience and leadership to the role, with diverse expertise in public market finance, and supply chain and logistics. On Mr. Lada's appointment, Aaron Erter, CEO of James Hardie said, 'Ryan brings deep industry knowledge, financial expertise and a proven track record of delivering impressive results, and we could not be more pleased to welcome him to the James Hardie team. We are confident Ryan has the ideal skillset to help us deliver on our strategy to drive growth, capitalize on our strong forward momentum, and enhance shareholder value.' Commenting on Ms. Wilson's departure, Mr. Erter continued, 'Rachel has worked tirelessly for James Hardie, and I have valued her partnership over the last two years. We are grateful she will be supporting Ryan through the transition. On behalf of the Board and management team, we wish her all the best in her future endeavors.'

No high-importance, price-sensitive forward-looking financial metrics provided.

No forward-looking outlook provided.