James Hardie Industries plc

Except as the context otherwise may require, references in this Annual Report on Form 10-K (this Annual Report ) to James Hardie, the James Hardie Group, the Company, JHI plc, we, our or us refer to James Hardie Industries plc, together with its direct and indirect wholly owned subsidiaries as of the time relevant to the applicable reference. The term fiscal year refers to our fiscal year ended March 31 of such year; the term $ refers to US dollars; the term A$ refers to Australian dollars; and the term refers to Euros. General James Hardie Industries plc is a leading provider of exterior home and outdoor living solutions, serving the new home construction, repair and remodel and outdoor living markets. Our current primary geographic markets include the United States of America ( US, USA or the United States ), Australia and Europe. On July 1, 2025, we completed the acquisition of The AZEK Company Inc. ("AZEK"), an industry-leading designer and manufacturer of low maintenance and environmentally sustainable outdoor living products, which has manufacturing and recycling facilities in the United States. Our corporate domicile is in Ireland, and our registered office is located at 1st Floor, Block A, One Park Place, Upper Hatch Street, Dublin 2, D02 FD79, Ir eland. The telephone number is +353 1411 6924 and our corporate website is www.jameshardie.com . We are registered at the Companies Registration Office of the Department of Jobs, Enterprise and Innovation in Dublin, Ireland under number 485719.