Exhibit 99.1

			James Hardie Industries plc Europa House 2nd Floor, Harcourt Centre Harcourt Street, Dublin 2, D02 WR20, Ireland T: +353 (0) 1 411 6924 F: +353 (0) 1 479 1128

19 May 2021

The Manager

Company Announcements Office

Australian Securities Exchange Limited

20 Bridge Street

SYDNEY NSW 2000

Dear Sir/Madam

Fiscal Year 2021 Reports

James Hardie announced today that it has filed the following document relating to fiscal year 2021 with the ASX:

•Combined Annual Report/Annual Report on Form 20-F, which has also been filed with the United States Securities and Exchange Commission (SEC).

A copy of this document is available on the company’s investor relations website at www.ir.jameshardie.com.au.

Shareholders who wish to receive a hard copy of the company’s 20-F free of charge should contact the company’s Investor relations office on +61 2 9368 9206.

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

Yours faithfully

Joseph C. Blasko

General Counsel & Company Secretary

This announcement had been authorised for release by the General Counsel and Company Secretary, Mr Joseph C. Blasko.

James Hardie Industries plc is a limited liability company incorporated in Ireland with its registered office at
Europa House 2nd Floor, Harcourt Centre, Harcourt Street, Dublin 2, D02 WR20, Ireland.

Directors: Michael Hammes (Chairman, USA), Andrea Gisle Joosen (Sweden), David Harrison (USA),

Persio Lisboa (USA), Anne Lloyd (USA), Moe Nozari (USA), Rada Rodriguez (Sweden),

Suzanne Rowland (USA), Dean Seavers (USA), Nigel Stein (UK), Harold Wiens (USA).

Chief Executive Officer and Director: Jack Truong (USA)

Company number: 485719

ARBN: 097 829 895