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 24 September 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 23 September 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 2.64% STATE STREET GLOBAL ADVISORS (JAPAN) CO., LTD. 16,590,594 579,167,237 STATE STREET GLOBAL ADVISORS EUROPE LIMITED Number of voting rights that may be acquired if the instrument is exercised/converted. 7. Threshold(s) that is/are crossed or reached: Indirect Position of previous notification (if applicable) % of voting rights SUBTOTAL B.1 STATE STREET GLOBAL ADVISORS TRUST COMPANY Exercise/ Conversion Period xi STATE STREET GLOBAL ADVISORS, LTD. 0.22% 5. Date on which the threshold was crossed or reached vi: IE000R94NGM2 16-Sep-2025 JAMES HARDIE INDUSTRIES plc shares ISIN CODE (if possible) Type of financial instrument AU000000JHX1 3.76% Direct 2.86% STATE STREET GLOBAL ADVISORS, AUSTRALIA, LIMITED Indirect 2.86% % of voting rights attached to shares (total of 9.A) % of voting rights through financial instruments (total of 9.B.1 + 9.B.2) 9. Notified details of the resulting situation on the date on which the threshold was crossed or reached viii: 15,293,190 Resulting situation on the date on which threshold was crossed or reached 1,297,404 % of voting rights 3.76% Below 3.00% 23-Sep-2025 Total of both in % (9.A + 9.B) Total number of voting rights of issuer vii Expiration date x NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the Central Bank of Ireland) i 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached ii: Ordinary Ordinary SUBTOTAL A BOSTON, US Direct 2.86% Number of voting rights ix SSGA FUNDS MANAGEMENT, INC. STATE STREET GLOBAL ADVISORS LIMITED STATE STREET BANK AND TRUST COMPANY STATE STREET CORPORATION STATE STREET GLOBAL ADVISORS ASIA LIMITED 6. Date on which issuer notified: #
[ ] 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 0.21% STATE STREET GLOBAL ADVISORS LIMITED STATE STREET GLOBAL ADVISORS, AUSTRALIA, LIMITED Expiration date x 0.31% Total of both if it equals or is higher than the notifiable threshold 0.02% % of voting rights through financial instruments if it equals or is higher than the notifiable threshold will cease to hold Number of voting rights STATE STREET GLOBAL ADVISORS ASIA LIMITED SSGA FUNDS MANAGEMENT, INC. 11. In case of proxy voting: 0.21% 0.31% 0.02% % of voting rights if it equals or is higher than the notifiable threshold 1.08% 0.02% 23-Sep-2025. 0.02% Physical or cash settlement xii 1.08% 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 SUBTOTAL B.2 financial instruments are effectively held starting with the ultimate controlling natural person or legal entity xiv: 0.01% 2.86% 0.06% 0.99% STATE STREET GLOBAL ADVISORS (JAPAN) CO., LTD. STATE STREET CORPORATION 2.86% 0.06% 0.99% 0.16% BOSTON MA USA STATE STREET BANK AND TRUST COMPANY Name xv STATE STREET GLOBAL ADVISORS EUROPE LIMITED STATE STREET GLOBAL ADVISORS TRUST COMPANY STATE STREET GLOBAL ADVISORS, LTD. % of voting rights rights as of 0.01% entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer. xiii Type of financial instrument Exercise/ Conversion Period xi 0.16% #