Director equity grants outlined in James Hardie (OTC: JHIUF) Form 6-K

Rhea-AI Filing Summary

James Hardie Industries plc filed a Form 6-K that mainly reiterates its forward-looking statements framework and associated risk factors. It highlights uncertainties around asbestos-related liabilities, contributions to the Australian Asbestos Injuries Compensation Fund (AICF), tax and regulatory changes, competition, raw material costs, and housing market conditions, as well as the integration of AZEK and other strategic initiatives.

The filing also lists exhibits, including a notification regarding unquoted securities and multiple Appendix 3Y notices lodged with the ASX. These show small issuances of ordinary shares to non-executive directors under the James Hardie 2020 Non-Executive Director Equity Plan, such as 738 shares to Persio V. Lisboa, 792 to Nigel Stein, 569 to Suzanne B. Rowland and 1,709 to Renee Peterson, with no shares disposed and no trades during a closed period.

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Accepted by SEC EDGAR 03/19/2026 - 06:16 PM Learn about SEC filing dates

FAQ

What does the March 2026 James Hardie (JHIUF) Form 6-K cover?

The Form 6-K from James Hardie mainly restates its forward-looking statements framework and key risk factors, and furnishes exhibits including a notification about unquoted securities and several Appendix 3Y notices detailing small share issuances to non-executive directors under the 2020 equity plan.

Which James Hardie directors received share issuances in this 6-K?

The exhibits show ordinary share issuances to non-executive directors Persio V. Lisboa, Nigel Stein, Suzanne B. Rowland and Renee Peterson. They received 738, 792, 569 and 1,709 ordinary shares respectively, all granted under the James Hardie 2020 Non-Executive Director Equity Plan, with no shares disposed.

What is Appendix 3Y for James Hardie Industries (JHIUF)?

Appendix 3Y is a Change of Director’s Interest Notice lodged with the ASX. For James Hardie, these forms record changes in directors’ relevant interests, such as new ordinary shares issued under the 2020 Non-Executive Director Equity Plan, and confirm whether any trades occurred during closed trading periods.

Are the James Hardie director share changes related to market trades?

The disclosed changes are not on-market trades. The Appendix 3Y forms specify that the new ordinary shares were issued under the James Hardie 2020 Non-Executive Director Equity Plan, that no shares were disposed, and that the interests were not traded during any closed trading period.

What key risks does James Hardie highlight in its forward-looking statements?

James Hardie cites risks from historical asbestos-related products, required contributions to AICF, tax law changes, legal and regulatory proceedings, competition and pricing, raw material supply and cost, international operations, and dependence on residential and commercial construction and broader housing market conditions in its operating regions.

How does the 6-K describe the AZEK acquisition in James Hardie’s outlook?

The company mentions the AZEK acquisition as part of its forward-looking statements, referring to expectations about future integration and anticipated benefits. It notes that such expectations are subject to various risks and uncertainties that may cause actual results to differ from projections or goals.

Table of Contents

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16

under the Securities Exchange Act of 1934

For the Month of March 2026

1-15240

(Commission File Number)

JAMES HARDIE INDUSTRIES plc

(Translation of registrant’s name into English)

1st Floor, Block A

One Park Place

Upper Hatch Street, Dublin 2, D02, FD79, Ireland

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F..X....  Form 40-F.........

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): Not Applicable

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): Not Applicable

Table of Contents

TABLE OF CONTENTS

Forward-Looking Statements			3
Exhibit Index			5
Signatures			6

2

Table of Contents

Forward-Looking Statements

This Form 6-K contains forward-looking statements. James Hardie Industries plc (the “Company”) may from time to time make forward-looking statements in its periodic reports filed with or furnished to the Securities and Exchange Commission, on Forms 20-F and 6-K, in its annual reports to shareholders, in offering circulars, invitation memoranda and prospectuses, in media and earnings releases and other written materials and in oral statements made by the Company’s officers, directors or employees to analysts, institutional investors, existing and potential lenders, representatives of the media and others. Statements that are not historical facts are forward-looking statements and such forward-looking statements are statements made pursuant to the Safe Harbor Provisions of the Private Securities Litigation Reform Act of 1995.

Examples of forward-looking statements include:

•statements about the future integration of AZEK, including its anticipated benefits;

•statements about the Company’s future performance;

•projections of the Company’s results of operations or financial condition;

•statements regarding the Company’s plans, objectives or goals, including those relating to strategies, initiatives, competition, acquisitions, dispositions and/or its products;

•expectations concerning the costs associated with the suspension or closure of operations at any of the Company’s plants and future plans with respect to any such plants;

•expectations concerning the costs associated with the significant capital expenditure projects at any of the Company’s plants and future plans with respect to any such projects;

•expectations regarding the extension or renewal of the Company’s credit facilities including changes to terms, covenants or ratios;

•expectations concerning dividend payments and share buy-backs;

•statements concerning the Company’s Corporate and tax domiciles and structures and potential changes to them, including potential tax charges;

•statements regarding tax liabilities and related audits, reviews and proceedings;

•statements regarding the possible consequences and/or potential outcome of legal proceedings brought against us and the potential liabilities, if any, associated with such proceedings;

•expectations about the timing and amount of contributions to AICF, a special purpose fund for the compensation of proven Australian asbestos-related personal injury and death claims;

•statements regarding the Company’s ability to manage legal and regulatory matters (including but not limited to product liability, environmental, intellectual property and competition law matters) and to resolve any such pending legal and regulatory matters within current estimates and in anticipation of certain third-party recoveries; and

•statements about economic or housing market conditions in the regions in which we operate, including but not limited to, the levels of new home construction and home renovations, unemployment levels, changes in consumer income, changes or stability in housing values, the availability of mortgages and other financing, mortgage and other interest rates, housing affordability and supply, the levels of foreclosures and home resales, currency exchange rates, and builder and consumer confidence.

Words such as “believe,” “anticipate,” “plan,” “expect,” “intend,” “target,” “estimate,” “project,” “predict,” “forecast,” “guideline,” “aim,” “will,” “should,” “likely,” “continue,” “may,” “objective,” “outlook” and similar expressions are intended to identify forward-looking statements but are not the exclusive means of identifying such statements. Readers are cautioned not to place undue reliance on these forward-looking statements and all such forward-looking statements are qualified in their entirety by reference to the following cautionary statements.

3

Table of Contents

Forward-looking statements are based on the Company’s current expectations, estimates and assumptions and because forward-looking statements address future results, events and conditions, they, by their very nature, involve inherent risks and uncertainties, many of which are unforeseeable and beyond the Company’s control. Such known and unknown risks, uncertainties and other factors may cause actual results, performance or other achievements to differ materially from the anticipated results, performance or achievements expressed, projected or implied by these forward-looking statements. These factors, some of which are discussed under “Risk Factors” in Section 3 of our Form 20-F filed with the Securities and Exchange Commission on 20 May 2025, include, but are not limited to: all matters relating to or arising out of the prior manufacture of products that contained asbestos by current and former Company subsidiaries; required contributions to AICF, any shortfall in AICF funding and the effect of currency exchange rate movements on the amount recorded in the Company’s financial statements as an asbestos liability; compliance with and changes in tax laws and treatments; competition and product pricing in the markets in which the Company operates; the consequences of product failures or defects; exposure to environmental, asbestos, putative consumer class action or other legal proceedings; general economic and market conditions; the supply and cost of raw materials; possible increases in competition and the potential that competitors could copy the Company’s products; compliance with and changes in environmental and health and safety laws; risks of conducting business internationally; compliance with and changes in laws and regulations; currency exchange risks; dependence on customer preference and the concentration of the Company’s customer base; dependence on residential and commercial construction markets; the effect of adverse changes in climate or weather patterns; use of accounting estimates; the AZEK acquisition; and all other risks identified in the Company’s reports filed with Australian, Irish and US securities regulatory agencies and exchanges (as appropriate). The Company cautions you that the foregoing list of factors is not exhaustive and that other risks and uncertainties may cause actual results to differ materially from those referenced in the Company’s forward-looking statements. Forward-looking statements speak only as of the date they are made and are statements of the Company’s current expectations concerning future results, events and conditions. The Company assumes no obligation to update any forward-looking statements or information except as required by law.

4

Table of Contents

EXHIBIT INDEX

Exhibit No.						Description
99.1						Notification regarding unquoted securities - JHX
99.2						APPENDIX 3Y - P LISBOA
99.3						APPENDIX 3Y - N STEIN
99.4						APPENDIX 3Y - S ROWLAND
99.5						APPENDIX 3Y - R PETERSON
99.6						APPENDIX 3Y - J PFEIFER
99.7						APPENDIX 3Y - H HECKES
99.8						APPENDIX 3Y - J SINGH
99.9						APPENDIX 3Y - G HENDRICKSON

5

Table of Contents

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

						James Hardie Industries plc
Date:   20 March 2026						By:  /s/ Aoife Rockett
						Aoife Rockett
						Company Secretary

6

Table of Contents

EXHIBIT INDEX

Exhibit No.						Description
99.1						Notification regarding unquoted securities - JHX
99.2						APPENDIX 3Y - P LISBOA
99.3						APPENDIX 3Y - N STEIN
99.4						APPENDIX 3Y - S ROWLAND
99.5						APPENDIX 3Y - R PETERSON
99.6						APPENDIX 3Y - J PFEIFER
99.7						APPENDIX 3Y - H HECKES
99.8						APPENDIX 3Y - J SINGH
99.9						APPENDIX 3Y - G HENDRICKSON

7

Exhibit 99.2

Appendix 3Y

Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity			James Hardie Industries plc
ARBN			'097 829 895

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director			Persio V. Lisboa
Date of last notice			19 December 2025

Part 1 - Change of director’s relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Direct or indirect interest			Direct
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.			n/a
Date of change			13 March 2026
No. of securities held prior to change			Direct: 12,270 Ordinary Shares. Indirect: 17,259 Ordinary Shares. The registered holder is Cede & Co. and they are held for the beneficial owner, Persio V. Lisboa.
Class			Ordinary Shares
Number acquired			738 Ordinary Shares
Number disposed			Nil
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation			US$18,545.94
No. of securities held after change			Current relevant interest is: Direct: 13,008 Ordinary Shares. Indirect: 17,259 Ordinary Shares. The registered holder is Cede & Co. and they are held for the beneficial owner, Persio V. Lisboa.
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back			Issuance of Ordinary shares pursuant to the terms of the James Hardie 2020 Non-Executive Director Equity Plan.

+ See chapter 19 for defined terms.

01/01/2011    Appendix 3Y Page 1

Appendix 3Y

Change of Director’s Interest Notice

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract			Not applicable
Nature of interest			Not applicable
Name of registered holder (if issued securities)			Not applicable
Date of change			Not applicable
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed			Not applicable
Interest acquired			Not applicable
Interest disposed			Not applicable
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation			Not applicable
Interest after change			Not applicable

Part 3 – +Closed period

Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required?			No
If so, was prior written clearance provided to allow the trade to proceed during this period?			Not applicable.
If prior written clearance was provided, on what date was this provided?			Not applicable.

+ See chapter 19 for defined terms.

01/01/2011    Appendix 3Y Page 2

Exhibit 99.3

Appendix 3Y

Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity			James Hardie Industries plc
ARBN			'097 829 895

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director			Nigel Stein
Date of last notice			19 December 2025

Part 1 - Change of director’s relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Direct or indirect interest			Direct
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.			n/a
Date of change			13 March 2026
No. of securities held prior to change			Direct: 8,540 Ordinary Shares. Indirect: 30,400 Ordinary Shares. The registered holder is Cede & Co. and they are held for the beneficial owner, Nigel Stein.
Class			Ordinary Shares
Number acquired			792 Ordinary Shares
Number disposed			Nil
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation			US$19,902.96
No. of securities held after change			Current relevant interest is: Direct: 9,332 Ordinary Shares. Indirect: 30,400 Ordinary Shares. The registered holder is Cede & Co. and they are held for the beneficial owner, Nigel Stein.
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back			Issuance of Ordinary shares pursuant to the terms of the James Hardie 2020 Non-Executive Director Equity Plan.

+ See chapter 19 for defined terms.

Appendix 3Y Page 1    01/01/2011

Appendix 3Y

Change of Director’s Interest Notice

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract			Not applicable
Nature of interest			Not applicable
Name of registered holder (if issued securities)			Not applicable
Date of change			Not applicable
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed			Not applicable
Interest acquired			Not applicable
Interest disposed			Not applicable
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation			Not applicable
Interest after change			Not applicable

Part 3 – +Closed period

Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required?			No
If so, was prior written clearance provided to allow the trade to proceed during this period?			Not applicable.
If prior written clearance was provided, on what date was this provided?			Not applicable.

+ See chapter 19 for defined terms.

Appendix 3Y Page 2    01/01/2011

Exhibit 99.4

Appendix 3Y

Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity			James Hardie Industries plc
ARBN			'097 829 895

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director			Suzanne B. Rowland
Date of last notice			19 December 2025

Part 1 - Change of director’s relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Direct or indirect interest			Direct
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.			n/a
Date of change			13 March 2026
No. of securities held prior to change			Direct: 5,886 Ordinary Shares. Indirect: 5,770 Ordinary Shares. The registered holder is Cede & Co. and they are held for the beneficial owner, Suzanne B. Rowland.
Class			Ordinary Shares
Number acquired			569 Ordinary shares
Number disposed			Nil
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation			US$14,298.97
No. of securities held after change			Current relevant interest is: Direct: 6,455 Ordinary Shares. Indirect: 5,770 Ordinary Shares. The registered holder is Cede & Co. and they are held for the beneficial owner, Suzanne B. Rowland.
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back			Issuance of Ordinary shares pursuant to the terms of the James Hardie 2020 Non-Executive Director Equity Plan.

+ See chapter 19 for defined terms.

Appendix 3Y Page 1    01/01/2011

Appendix 3Y

Change of Director’s Interest Notice

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract			Not applicable
Nature of interest			Not applicable
Name of registered holder (if issued securities)			Not applicable
Date of change			Not applicable
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed			Not applicable
Interest acquired			Not applicable
Interest disposed			Not applicable
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation			Not applicable
Interest after change			Not applicable

Part 3 – +Closed period

Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required?			No
If so, was prior written clearance provided to allow the trade to proceed during this period?			Not applicable.
If prior written clearance was provided, on what date was this provided?			Not applicable.

+ See chapter 19 for defined terms.

Appendix 3Y Page 2    01/01/2011

Exhibit 99.5

Appendix 3Y

Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity			James Hardie Industries plc
ARBN			'097 829 895

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director			Renee Peterson
Date of last notice			13 March 2026

Part 1 - Change of director’s relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Direct or indirect interest			Direct
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.			n/a
Date of change			13 March 2026
No. of securities held prior to change			Direct: 14,834 Ordinary Shares Indirect: 24,250 Ordinary Shares. The registered holder is Cede & Co., and they are held for beneficial owner, Renee Peterson.
Class			Ordinary Shares
Number acquired			1,709 Ordinary Shares
Number disposed			Nil
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation			US$42,947.17
No. of securities held after change			Current relevant interest is: Direct: 16,543 Ordinary Shares Indirect: 24,250 Ordinary Shares. The registered holder is Cede & Co., and they are held for beneficial owner, Renee Peterson.
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back			Issuance of Ordinary Shares pursuant to the terms of the James Hardie 2020 Non-Executive Director Equity Plan.

+ See chapter 19 for defined terms.

Appendix 3Y Page 1    01/01/2011

Appendix 3Y

Change of Director’s Interest Notice

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract			Not applicable
Nature of interest			Not applicable
Name of registered holder (if issued securities)			Not applicable
Date of change			Not applicable
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed			Not applicable
Interest acquired			Not applicable
Interest disposed			Not applicable
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation			Not applicable
Interest after change			Not applicable

Part 3 – +Closed period

Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required?			No
If so, was prior written clearance provided to allow the trade to proceed during this period?			Not applicable.
If prior written clearance was provided, on what date was this provided?			Not applicable.

+ See chapter 19 for defined terms.

Appendix 3Y Page 2    01/01/2011

Exhibit 99.6

Appendix 3Y

Change of Director’s Interest Notice

Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity			James Hardie Industries plc
ARBN			'097 829 895

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director			John C Pfeifer
Date of last notice			19 December 2025

Part 1 - Change of director’s relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Direct or indirect interest			Direct
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.			n/a
Date of change			13 March 2026
No. of securities held prior to change			Direct: 3,709 Ordinary Shares
Class			Ordinary Shares
Number acquired			571 Ordinary Shares
Number disposed			Nil
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation			US$14,349.23
No. of securities held after change			Current relevant interest is: Direct: 4,280 Ordinary Shares
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back			Issuance of Ordinary shares pursuant to the terms of the James Hardie 2020 Non-Executive Director Equity Plan.

+ See chapter 19 for defined terms.

Appendix 3Y Page 1    01/01/2011

Appendix 3Y

Change of Director’s Interest Notice

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract			Not applicable
Nature of interest			Not applicable
Name of registered holder (if issued securities)			Not applicable
Date of change			Not applicable
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed			Not applicable
Interest acquired			Not applicable
Interest disposed			Not applicable
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation			Not applicable
Interest after change			Not applicable

Part 3 – +Closed period

Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required?			No
If so, was prior written clearance provided to allow the trade to proceed during this period?			Not applicable.
If prior written clearance was provided, on what date was this provided?			Not applicable.

+ See chapter 19 for defined terms.

Appendix 3Y Page 2    01/01/2011

Exhibit 99.7

Appendix 3Y

Change of Director’s Interest Notice

96+Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity			James Hardie Industries plc
ARBN			'097 829 895

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director			Howard Heckes
Date of last notice			19 December 2025

Part 1 - Change of director’s relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Direct or indirect interest			Direct
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.			n/a
Date of change			13 March 2026
No. of securities held prior to change			Direct: 25,087 Ordinary Shares Indirect: Howard C Heckes Trust for which the Director serves as trustee – 2,585 Ordinary Shares
Class			Ordinary Shares
Number acquired			972 Ordinary Shares
Number disposed			Nil
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation			US$24,426.36
No. of securities held after change			Current relevant interest is: Direct: 26,059 Ordinary Shares Indirect: Howard C Heckes Trust for which the Director serves as trustee – 2,585 Ordinary Shares
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back			Issuance of Ordinary shares pursuant to the terms of the James Hardie 2020 Non-Executive Director Equity Plan.

+ See chapter 19 for defined terms.

Appendix 3Y Page 1    01/01/2011

Appendix 3Y

Change of Director’s Interest Notice

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract			Not applicable
Nature of interest			Not applicable
Name of registered holder (if issued securities)			Not applicable
Date of change			Not applicable
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed			Not applicable
Interest acquired			Not applicable
Interest disposed			Not applicable
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation			Not applicable
Interest after change			Not applicable

Part 3 – +Closed period

Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required?			No
If so, was prior written clearance provided to allow the trade to proceed during this period?			Not applicable.
If prior written clearance was provided, on what date was this provided?			Not applicable.

+ See chapter 19 for defined terms.

Appendix 3Y Page 2    01/01/2011

Exhibit 99.8

Appendix 3Y

Change of Director’s Interest Notice

96+Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity			James Hardie Industries plc
ARBN			'097 829 895

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director			Jesse Singh
Date of last notice			16 February 2026

+ See chapter 19 for defined terms.

01/01/2011    Appendix 3Y Page 1

Appendix 3Y

Change of Director’s Interest Notice

Part 1 - Change of director’s relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Direct or indirect interest			Direct
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.			n/a
Date of change			13 March 2026
No. of securities held prior to change			Direct: 201, 599 Ordinary Shares Indirect: The Linda S.R. Singh Family Trust – 358,797 The Jesse Singh 2016 Irrevocable Trust – 499,740 The Jesse G. Singh Revocable Trust – 155,471 The Jesse Singh 2024 Trust – 103,400
Class			Ordinary Shares
Number acquired			566 Ordinary Shares
Number disposed			Nil
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation			US$14,223.58
No. of securities held after change			Current relevant interest is: Direct: 202,165 Ordinary Shares Indirect: The Linda S.R. Singh Family Trust – 358,797 The Jesse Singh 2016 Irrevocable Trust – 499,740 The Jesse G. Singh Revocable Trust – 155,471 The Jesse Singh 2024 Trust – 103,400
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back			Issuance of Ordinary shares pursuant to the terms of the James Hardie 2020 Non-Executive Director Equity Plan.

+ See chapter 19 for defined terms.

01/01/2011    Appendix 3Y Page 2

Appendix 3Y

Change of Director’s Interest Notice

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract			Not applicable
Nature of interest			Not applicable
Name of registered holder (if issued securities)			Not applicable
Date of change			Not applicable
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed			Not applicable
Interest acquired			Not applicable
Interest disposed			Not applicable
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation			Not applicable
Interest after change			Not applicable

Part 3 – +Closed period

Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required?			No
If so, was prior written clearance provided to allow the trade to proceed during this period?			Not applicable.
If prior written clearance was provided, on what date was this provided?			Not applicable.

+ See chapter 19 for defined terms.

01/01/2011    Appendix 3Y Page 3

Exhibit 99.9
Appendix 3Y
Change of Director’s Interest Notice

96+Rule 3.19A.2

Appendix 3Y

Change of Director’s Interest Notice

Information or documents not available now must be given to ASX as soon as available. Information and documents given to ASX become ASX’s property and may be made public.

Introduced 30/09/01 Amended 01/01/11

Name of entity			James Hardie Industries plc
ARBN			'097 829 895

We (the entity) give ASX the following information under listing rule 3.19A.2 and as agent for the director for the purposes of section 205G of the Corporations Act.

Name of Director			Gary Hendrickson
Date of last notice			20 February 2026

+ See chapter 19 for defined terms.

Appendix 3Y Page 1    01/01/2011

Appendix 3Y

Change of Director’s Interest Notice

Part 1 - Change of director’s relevant interests in securities

In the case of a trust, this includes interests in the trust made available by the responsible entity of the trust

Note: In the case of a company, interests which come within paragraph (i) of the definition of “notifiable interest of a director” should be disclosed in this part.

Direct or indirect interest			Direct
Nature of indirect interest (including registered holder) Note: Provide details of the circumstances giving rise to the relevant interest.			n/a
Date of change			13 March 2026
No. of securities held prior to change			Direct: 21,299 Ordinary Shares Indirect: 284,147 shares held by The Hendrickson Family Trust 105,000 shares held by The Gary E. Hendrickson Trust
Class			Ordinary Shares
Number acquired			1,776 Ordinary Shares
Number disposed			Nil
Value/Consideration Note: If consideration is non-cash, provide details and estimated valuation			US$44,630.88
No. of securities held after change			Current relevant interest is: Direct: 23,075 Ordinary Shares Indirect: 284,147 shares held by The Hendrickson Family Trust 105,000 shares held by The Gary E. Hendrickson Trust
Nature of change Example: on-market trade, off-market trade, exercise of options, issue of securities under dividend reinvestment plan, participation in buy-back			Issuance of Ordinary shares pursuant to the terms of the James Hardie 2020 Non-Executive Director Equity Plan.

+ See chapter 19 for defined terms.

Appendix 3Y Page 2    01/01/2011

Appendix 3Y

Change of Director’s Interest Notice

Part 2 – Change of director’s interests in contracts

Note: In the case of a company, interests which come within paragraph (ii) of the definition of “notifiable interest of a director” should be disclosed in this part.

Detail of contract			Not applicable
Nature of interest			Not applicable
Name of registered holder (if issued securities)			Not applicable
Date of change			Not applicable
No. and class of securities to which interest related prior to change Note: Details are only required for a contract in relation to which the interest has changed			Not applicable
Interest acquired			Not applicable
Interest disposed			Not applicable
Value/Consideration Note: If consideration is non-cash, provide details and an estimated valuation			Not applicable
Interest after change			Not applicable

Part 3 – +Closed period

Were the interests in the securities or contracts detailed above traded during a +closed period where prior written clearance was required?			No
If so, was prior written clearance provided to allow the trade to proceed during this period?			Not applicable.
If prior written clearance was provided, on what date was this provided?			Not applicable.

+ See chapter 19 for defined terms.

Appendix 3Y Page 3    01/01/2011

Filing Exhibits & Attachments

16 documents

Press Releases

• EX-99.1 EX-99.1 7.7 KB
• EX-99.2 EX-99.2 30.2 KB
• EX-99.3 EX-99.3 30.1 KB
• EX-99.4 EX-99.4 29.9 KB
• EX-99.5 EX-99.5 30.5 KB
• EX-99.6 EX-99.6 29.4 KB
• EX-99.7 EX-99.7 30.4 KB
• EX-99.8 EX-99.8 34.1 KB
• EX-99.9 EX-99.9 32.6 KB
• EX-991 ex991notificationregardi001.jpg 72.1 KB
• EX-991 ex991notificationregardi002.jpg 58.8 KB
• EX-991 ex991notificationregardi003.jpg 55.9 KB
• EX-991 ex991notificationregardi004.jpg 150.4 KB
• EX-991 ex991notificationregardi005.jpg 40.0 KB
• EX-991 ex991notificationregardi006.jpg 91.8 KB
• EX-991 ex991notificationregardi007.jpg 52.6 KB