CRH PLC

Share Issue/Capital Change • Dec 23, 2025

National Storage Mechanism | Additional information

Holding(s) in Company

Standard Form TR-1

Voting rights attached to shares– Article 12(1) of directive 2004/109/EC

Financial instruments – Article 11(3) of the Commission Directive 2007/14/EC[i]

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached [ii]:

CRH PLC

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 which may result in the acquisition of shares already issued to which voting rights are attached

[ ] an event changing the breakdown of voting rights

3. Full name of person(s) subject to the notification obligation[iii]:

BlackRock, Inc.

4. Full name of shareholder(s) (if different from 3.)[iv]:

See Section 9

5. Date of the transaction and date on which the threshold is crossed or reached[v]: 19/12/2025

6. Date on which issuer notified: 22/12/2025

7. Threshold(s) that is/are crossed or reached:

Holdings for BlackRock, Inc. have gone above 6%.

8. Notified details:

A) Voting rights attached to shares
Class/type of shares (if possible using the ISIN CODE)	Situation previous to the Triggering transaction [vi]		Resulting situation after the triggering transaction[vii] [viii]
Number of Shares[ix]	Number of Voting rights[x]	Number of shares[xi]	Number of voting rights[xii]		% of voting rights
Direct	Direct[xiii]	Indirect[xiv]	Direct	Indirect
IE0001827041	N/A	34,188,063	N/A	N/A	46,070,304	N/A	6.88%
SUBTOTAL A (based on aggregate voting rights)				46,070,304		6.88%

B) Financial Instruments
Resulting situation after the triggering transaction[xv]
Type of financial instrument	Expiration Date[xvi]	Exercise/Conversion Period/ Date[xvii]	Number of voting rights that may be acquired if the instrument is exercised/converted	% of voting rights
		SUBTOTAL B (in relation to all expiration dates)

Total (A+B)	number of voting rights	% of voting rights
46,070,304	46,070,304	6.88%

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable[xviii]:

Each of the following entities, which are wholly owned subsidiaries of BlackRock, Inc., hold the following interests in voting rights in their capacity as Investment Manager on behalf of clients:

Investment Manager	Voting Rights	%
BlackRock Fund Advisors	18,476,921	2.76%
BlackRock Institutional Trust Company, National Association	11,941,471	1.78%
BlackRock Advisors (UK) Limited	5,171,602	0.77%
BlackRock Investment Management (UK) Limited	3,682,434	0.55%
BlackRock Advisors, LLC	1,404,485	0.20%
BlackRock Investment Management, LLC	1,385,957	0.20%
BlackRock Japan Co., Ltd.	946,134	0.14%
BlackRock Asset Management Canada Limited	880,386	0.13%
Aperio Group, LLC	698,772	0.10%
BlackRock Financial Management, Inc.	601,222	0.08%
BlackRock (Singapore) Limited	517,349	0.07%
BlackRock Investment Management (Australia) Limited	197,189	0.02%
BlackRock International Limited	112,525	0.01%
BlackRock Asset Management North Asia Limited	47,887	0.00%
BlackRock (Netherlands) B.V.	5,969	0.00%

10. In case of proxy voting: [name of the proxy holder] will cease to hold [number] voting rights as of [date].

11. Additional information:

Done at 12 Throgmorton Avenue, London, EC2N 2DL, U.K. on 22 December 2025

View source version on businesswire.com: https://www.businesswire.com/news/home/20251223616028/en/

CRH plc