Sec Form 4 Filing - San Agustin Juan Pablo @ CRH PUBLIC LTD CO - 2025-03-03

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person San Agustin Juan Pablo 2. Issuer Name and Ticker or Trading Symbol CRH PUBLIC LTD CO [ CRH] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) See Remarks (Last) (First) (Middle) C/O CRH PLC, STONEMASON'S WAY 3. Date of Earliest Transaction (MM/DD/YY) 03/03/2025 (Street) RATHFARNHAM DUBLIN, L2D16 KH51 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Ordinary Shares 03/03/2025 A 32,461 ( 1 ) A $ 0 47,207 D Ordinary Shares 03/03/2025 M 3,698 ( 2 ) A $ 0 50,905 D Ordinary Shares 03/03/2025 F 18,177 ( 3 ) D $ 95.2306 ( 4 ) 32,728 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Deferred Share Award $ 0 03/03/2025 M 3,389 ( 2 ) ( 2 ) ( 2 ) Ordinary Shares 3,389 $ 0 7,071 D Deferred Share Award $ 0 03/03/2025 A 2,100 ( 5 ) ( 5 ) ( 5 ) Ordinary Shares 2,100 ( 5 ) 9,171 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other San Agustin Juan Pablo C/O CRH PLC STONEMASON'S WAY RATHFARNHAM DUBLIN, L2D16 KH51 See Remarks Signatures /s/ Cot Eversole, Attorney-in-Fact for Juan Pablo San Agustin 03/05/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Reflects the vesting and release of awards granted in 2022 under the 2014 Performance Share Plan Rules on March 3, 2025 (including the award of 2,717 additional Ordinary Shares as dividend equivalents), pursuant to certification of the achievement of pre-established performance goals by the Compensation Committee of the Board of Directors of the Issuer (the "Compensation Committee"). ( 2 )Reflects the vesting and release of a 2022 time-based conditional award as defined in the 2014 Deferred Share Bonus Plan (the "DSB Plan Rules"), of which, pursuant to the determination of the Compensation Committee, a total of 3,698 shares vested on March 3, 2025, including the award of 309 additional Ordinary Shares as dividend equivalents. Subject to the determination of the Compensation Committee, the remaining awards of 4,119 shares and 2,952 shares are expected to vest in March 2026 and March 2027, respectively. In accordance with the DSB Plan Rules, dividend equivalents will apply to these awards and, to the extent awarded, will be reported at the time of vesting. ( 3 )Mandatory sale of sufficient Ordinary Shares to cover applicable withholding tax liabilities arising in the connection with the aforementioned awards. ( 4 )The reported price represents the volume-weighted average price of shares sold. Sale prices for the reported transaction ranged between $92.75 and $98.705 inclusive of shares sold on the New York Stock Exchange. Full information regarding the number of Ordinary Shares sold at each separate price in the range will be provided to the SEC upon request. ( 5 )Reflects time-based conditional awards, as defined in the DSB Plan Rules, of which, subject to the determination of the Compensation Committee the balance will vest in March 2028. In accordance with the DSB Plan Rules, dividend equivalents will apply to the Award and, to the extent awarded, will be reported at the time of vesting.

Remarks: Group Executive, Strategic Planning, Innovation & Venturing

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