Exhibit 99.1

			James Hardie Industries plc 1st Floor, Block A One Park Palce Upper Hatch Street, Dublin 2, D02 FD79, Ireland T: +353 (0) 1 411 6924 F: +353 (0) 1 479 1128

8 August 2023

The Manager

Company Announcements Office

Australian Securities Exchange Limited

20 Bridge Street

SYDNEY NSW 2000

Dear Sir/Madam

Results for Announcement to the Market

James Hardie announced today its results for the 1st quarter and three months ended 30 June 2023 and has filed the following documents with the ASX:

•			ASX Cover Sheet
•			Media Release
•			Management’s Analysis of Results
•			Management Presentation
•			Condensed Consolidated Financial Statements

Copies of these documents are available on James Hardie’s investor relations website at

https://ir.jameshardie.com.au/financial-information/financial-results.

Yours faithfully
James Brennan-Chong
Director of Investor Relations and Market Intelligence

This announcement has been authorized for release by the Board of Directors of James Hardie Industries plc.

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),
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