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 9 July 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 8 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 STATE STREET GLOBAL ADVISORS TRUST COMPANY STATE STREET GLOBAL ADVISORS, LTD. Indirect AU000000JHX1 Direct 5. Date on which the threshold was crossed or reached vi: 7. Threshold(s) that is/are crossed or reached: 3.82% % of voting rights attached to shares (total of 9.A) % of voting rights Resulting situation on the date on which threshold was crossed or reached 9. Notified details of the resulting situation on the date on which the threshold was crossed or reached viii: Total number of voting rights of issuer vii STATE STREET BANK AND TRUST COMPANY STATE STREET CORPORATION STATE STREET GLOBAL ADVISORS EUROPE LIMITED Total of both in % (9.A + 9.B) Ordinary SUBTOTAL A Ordinary 08-Jul-2025 Above 3.00% 14,463,341 1,944,876 BOSTON, US 3.82% SSGA FUNDS MANAGEMENT, INC. STATE STREET GLOBAL ADVISORS ASIA LIMITED STATE STREET GLOBAL ADVISORS LIMITED 16,408,217 STATE STREET GLOBAL ADVISORS, AUSTRALIA, LIMITED Number of voting rights ix Direct 6. Date on which issuer notified: 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached ii: JAMES HARDIE INDUSTRIES plc Position of previous notification (if applicable) NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the Central Bank of Ireland) i 0.45% Indirect 3.37% % of voting rights through financial instruments (total of 9.B.1 + 9.B.2) 429,866,368 STATE STREET GLOBAL ADVISORS (JAPAN) CO., LTD. IE000R94NGM2 01-Jul-2025 shares ISIN CODE (if possible) 3.82%


 
B 1: Financial Instruments according to Regulation 17(1)(a) of the Regulations [ ] 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 11. In case of proxy voting: STATE STREET GLOBAL ADVISORS, AUSTRALIA, LIMITED SSGA FUNDS MANAGEMENT, INC. STATE STREET GLOBAL ADVISORS ASIA LIMITED financial instruments are effectively held starting with the ultimate controlling natural person or legal entity xiv: 1.45% 3.82%3.82% 0.03% 0.20% Exercise/ Conversion Period xi 0.03% 0.16% STATE STREET GLOBAL ADVISORS (JAPAN) CO., LTD. Expiration date x % of voting rights STATE STREET CORPORATION B 2: Financial Instruments with similar economic effect according to Regulation 17(1)(b) of the Regulations Type of financial instrument 0.03% 0.20% 1.45% 0.03% 0.16% 1.37% will cease to hold STATE STREET BANK AND TRUST COMPANY SUBTOTAL B.1 Exercise/ Conversion Period xi STATE STREET GLOBAL ADVISORS, LTD. Name xv Number of voting rights that may be acquired if the instrument is exercised/converted. STATE STREET GLOBAL ADVISORS TRUST COMPANY 08-Jul-2025. 0.01% % of voting rights through financial instruments if it equals or is higher than the notifiable threshold BOSTON MA USA % of voting rights if it equals or is higher than the notifiable threshold rights as of 1.37% Expiration date x 0.08%0.08% Physical or cash settlement xii 0.01% 0.49% Total of both if it equals or is higher than the notifiable threshold 0.49% Number of voting rights % of voting rights STATE STREET GLOBAL ADVISORS EUROPE LIMITED STATE STREET GLOBAL ADVISORS LIMITED entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer. xiii SUBTOTAL B.2 Type of financial instrument 10. Information in relation to the person subject to the notification obligation (please tick the applicable box):