Sec Form 3 Filing - Jackson Jeremy Peter @ Flutter Entertainment plc - 2025-01-01

FORM 3 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 Jackson Jeremy Peter 2. Issuer Name and Ticker or Trading Symbol Flutter Entertainment plc [ FLUT] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) See Remarks (Last) (First) (Middle) C/O FLUTTER ENTERTAINMENT PLC, 300 PARK AVE SOUTH 3. Date of Earliest Transaction (MM/DD/YY) 01/01/2025 (Street) NEW YORK, NY10010 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 21,148 ( 1 ) 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 Nil Cost Options (Right to Buy) $ 0 ( 2 ) 03/18/2031 Ordinary Shares 3,517 D Nil Cost Options (Right to Buy) $ 0 ( 2 ) 03/11/2029 Ordinary Shares 18,170 D Nil Cost Options (Right to Buy) $ 0 ( 2 ) 06/30/2030 Ordinary Shares 14,663 D Sharesave Options (Right to Buy) $ 218.58 ( 4 ) ( 3 ) 07/31/2028 Ordinary Shares 105 D Restricted Stock Units ( 6 ) ( 5 ) ( 5 ) Ordinary Shares 31,562 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Jackson Jeremy Peter C/O FLUTTER ENTERTAINMENT PLC 300 PARK AVE SOUTH NEW YORK, NY10010 X See Remarks Signatures /s/ Fiona Gildea, Attorney-in-Fact 01/02/2025 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Includes 13,432 unvested restricted stock units ("RSUs") that vest in three substantially equal annual installments beginning on August 19, 2025. ( 2 )These options are fully vested. ( 3 )Reflects options acquired under the Issuer's Save As You Earn program. These options vest on February 1, 2028. ( 4 )The exercise price for these options are denominated in British sterling pounds at a price of GBP 174.64 per share. The exercise price reported herein was converted from British pounds sterling to United States dollars at a conversion rate of GBP 1.00 to U.S. $1.2516. The exercise price is the actual British pounds sterling amount regardless of the exchange rate on the date of exercise. ( 5 )These RSUs vest as follows: (a) 3,517 vest on March 18, 2025, (b) 14,162 vest in two equal annual installments beginning on March 4, 2025, (c) 4,178 vest in two equal annual installments beginning on March 7, 2026 and (d) 9,705 vest in two substantially equal annual installments beginning on April 2, 2027. ( 6 )Each RSU represents the contingent right to receive one ordinary share.

Remarks: Title: Chief Executive Officer and Executive Director

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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