FORM 10-Q☒QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OFTHE SECURITIES EXCHANGE ACT OF 1934For the quarterly period ended June 30, 2026or☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OFTHE SECURITIES EXCHANGE ACT OF 1934For the transition period fromtoCommission File Number: 001-37403 Flutter Entertainment plc (Exact name of registrant as specified in its charter) Registrant’s Telephone Number, Including Area Code: (646) 930-0950 Not Applicable(Former Name or Former Address, if Changed Since Last Report) Securities registered pursuant to Section 12(b) of the Act: Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filingrequirements for the past 90 days.Yes☒No☐ Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit suchfiles).Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting companyor an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growthcompany” in Rule 12b-2 of the Exchange Act. Large accelerated filer☒Accelerated filer☐Non-accelerated filer☐Smaller reporting company☐Emerging growth company☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying withany new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).Yes☐No☒ As of July31, 2026, the number of shares of the registrant’s ordinary shares outstanding is 173,539,102. TABLE OF CONTENTS PART I Item 1. Financial Statements (unaudited)1Condensed Consolidated Balance Sheets1Condensed Consolidated Statements of Comprehensive Income(Loss)2Condensed Consolidated Statements of Changes in Shareholders’ Equity and Redeemable Non-controlling Interest3Condensed Consolidated Statements of Cash Flows5Notes to the Condensed Consolidated Financial Statements7Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations35Item 3. Quantitative and Qualitative Disclosure About Market Risk55Item 4. Controls and Procedures55PART II56Item 1. Legal Proceedings57Item 1A. Risk Factors57Item 2. Unregistered Sales of Equity Securities and Use of Proceeds57Item 3. Defaults Upon Senior Securities57Item 4. Mine Safety Disclosures57Item 5. Other Information57Item 6. Exhibits59SIGNATURES60 CERTAIN TERMS Unless otherwise specified or the context otherwise requires, the terms “Flutter,” the “Company,” the “Group,” “we,” “us” and “our”each refer to Flutter Entertainment plc and its subsidiaries. CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTSThis report contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These statements reflect our current expectations as to future events based on certain assumptions and include any statement that does notdirectly relate to any historical or current fact. These statements include, but are not limited, to statements related to our expectationsregarding the performance of our business, our financial results, our operations, our liquidity and capital resources, the conditions inour industry and our growth strategy (including our plans and expectations related to new product offerings). In some cases, forward-looking statements can be identified by words such as “outlook,” “believe(s),” ”expect(s),” “potential,” “continue(s),” “may,” “will,”“should,” “could,” “would,” “seek(s),” “predict(s),” “intend(s),” “trends,” “plan(s),” “estimate(s),” “anticipates,” “projection,” “goal,”“target,” “aspire,” “will likely result,” and other words and terms of similar meaning or the negative versions of such words. Theseforward-looking statements are subject to risks and uncertainties. Accordingly, there are or will be important factors that could causeactual outcomes or results to differ materially from those indicated in these statements. These factors include, among others: •Flutter’s ability to effectively compete in, and market trends impacting, the global entertainment and gaming industries;•Adverse changes to, and uncertainty regarding, the regulation (including taxation) of online betting, iGaming and adjacentindustries;•Flutter’s ability to retain existing customers and to successfully acquire new customers;•Flutter’s abili