EX-99.1 2 ex991changeinsubstantial.htm EX-99.1
James Hardie Industries plc 1st Floor, Block A, One Park Place, Upper Hatch Street, Dublin 2, D02 FD79, Ireland T: +353 (0) 1 411 6924 F: +353 (0) 1 479 1128 James Hardie Industries plc is a limited liability company incorporated in Ireland with its registered office at 1st Floor, Block A, One Park Place, Upper Hatch Street, Dublin 2, D02 FD79, Ireland. Directors: Anne Lloyd (Chairperson, USA), Peter-John Davis (Aus), Howard Heckes (USA), Gary Hendrickson (USA), Persio Lisboa (USA), Renee Peterson (USA), John Pfeifer (USA), Rada Rodriguez (Sweden), Suzanne B. Rowland (USA), Jesse Singh (USA), Nigel Stein (UK). Chief Executive Officer and Director: Aaron Erter (USA) Company number: 485719 ARBN: 097 829 895 1 August 2025 The Manager Company Announcements Office Australian Securities Exchange Limited 20 Bridge Street SYDNEY NSW 2000 Dear Sir/Madam Substantial Holding Notice As required under ASX Listing Rule 3.17.3 please see attached copy of the substantial holding notice received by James Hardie on 31 July 2025. Regards Aoife Rockett Company Secretary This announcement has been authorised for release by the Company Secretary, Ms Aoife Rockett.

Standard Form TR-1 Standard form for notification of major holdings 2. Reason for the notification (please tick the appropriate box or boxes): [ X ] An acquisition or disposal of voting rights [ ] An acquisition or disposal of financial instruments [ ] An event changing the breakdown of voting rights [ ] Other (please specify) iii: 3. Details of person subject to the notification obligation iv : Name: City and country of registered office (if applicable): 4. Full name of shareholder(s) (if different from 3.) v: 8. Total positions of person(s) subject to the notification obligation: A: Voting rights attached to shares Class/type of B 1: Financial Instruments according to Regulation 17(1)(a) of the Regulations 1,339,227 14,632,750 SUBTOTAL A Ordinary IE000R94NGM2 AU000000JHX1 6. Date on which issuer notified: Resulting situation on the date on which threshold was crossed or reached Total number of voting rights of issuer vii STATE STREET GLOBAL ADVISORS, AUSTRALIA, LIMITED 9. Notified details of the resulting situation on the date on which the threshold was crossed or reached viii: STATE STREET GLOBAL ADVISORS LIMITED STATE STREET GLOBAL ADVISORS (JAPAN) CO., LTD. Direct SSGA FUNDS MANAGEMENT, INC. STATE STREET GLOBAL ADVISORS ASIA LIMITED Expiration date x % of voting rights attached to shares (total of 9.A) Position of previous notification (if applicable) Type of financial instrument Ordinary 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached ii: 3.82% NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the Central Bank of Ireland) i 2.76% 2.76% % of voting rights shares ISIN CODE (if possible) 24-Jul-2025 Exercise/ Conversion Period xi BOSTON, US 5. Date on which the threshold was crossed or reached vi: 7. Threshold(s) that is/are crossed or reached: STATE STREET GLOBAL ADVISORS, LTD. STATE STREET CORPORATION STATE STREET GLOBAL ADVISORS EUROPE LIMITED % of voting rights STATE STREET BANK AND TRUST COMPANY Number of voting rights that may be acquired if the instrument is exercised/converted. 2.53% % of voting rights through financial instruments (total of 9.B.1 + 9.B.2) 15,971,977 SUBTOTAL B.1 Indirect JAMES HARDIE INDUSTRIES plc 2.76% Number of voting rights ix Direct 31-Jul-2025 Below 3.00% Total of both in % (9.A + 9.B) 3.82% Indirect 0.23% STATE STREET GLOBAL ADVISORS TRUST COMPANY 578,888,019

[ ] Person subject to the notification obligation is not controlled by any natural person or legal [ X ] Full chain of controlled undertakings through which the voting rights and/or the and voting 12. Additional information xvi: Done at on 1.08% 0.02% 0.16% 0.02% 2.76% 0.17% 0.02% 2.76% 1.08% 0.02% 0.17% 0.16% STATE STREET CORPORATION STATE STREET GLOBAL ADVISORS (JAPAN) CO., LTD. STATE STREET GLOBAL ADVISORS ASIA LIMITED % of voting rights Exercise/ Conversion Period xi 10. Information in relation to the person subject to the notification obligation (please tick the applicable box): B 2: Financial Instruments with similar economic effect according to Regulation 17(1)(b) of the Regulations Physical or cash settlement xii STATE STREET GLOBAL ADVISORS, AUSTRALIA, LIMITED 11. In case of proxy voting: STATE STREET GLOBAL ADVISORS LIMITED financial instruments are effectively held starting with the ultimate controlling natural person or legal entity xiv: SSGA FUNDS MANAGEMENT, INC. 0.01% 0.93% 0.06% STATE STREET BANK AND TRUST COMPANY Number of voting rights SUBTOTAL B.2 Total of both if it equals or is higher than the notifiable threshold 0.31% % of voting rights through financial instruments if it equals or is higher than the notifiable threshold % of voting rights if it equals or is higher than the notifiable threshold 0.01% 0.31% 0.93% 0.06% Expiration date x rights as of BOSTON MA USA STATE STREET GLOBAL ADVISORS, LTD. Type of financial instrument entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer. xiii STATE STREET GLOBAL ADVISORS TRUST COMPANY STATE STREET GLOBAL ADVISORS EUROPE LIMITED will cease to hold Name xv 31-Jul-2025.