Exhibit 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

22 May 2024

The Manager

Company Announcements Office

Australian Securities Exchange Limited

20 Bridge Street

SYDNEY NSW 2000

Dear Sir/Madam

Fiscal Year 2024 Irish Statutory Accounts

James Hardie announced today that it has filed the following document relating to fiscal year 2024 with the ASX:

•Irish Statutory Accounts, which will be filed with the Irish Companies Registration Office (CRO).

Copies of this document are available on the company’s investor relations website at https://ir.jameshardie.com.au/financial-information/financial-results.

Shareholders who wish to receive a hard copy of the company’s Irish Statutory Accounts free of charge should contact the company’s investor relations office on +1 312 756 9919.

Alternatively, shareholders can forward their request by email, including their mailing details, to:investor.relations@jameshardie.com.au.

Yours faithfully

Aoife Rockett

Company Secretary

This announcement had been authorised for release by the Company Secretary, Ms Aoife Rockett.

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), Persio Lisboa (USA), Renee Peterson (USA),
John Pfeifer (USA), Rada Rodriguez (Sweden), Suzanne B. Rowland (USA), Nigel Stein (UK), Harold Wiens (USA).

Chief Executive Officer and Director: Aaron Erter (USA)

Company number: 485719

ARBN: 097 829 895