FLUT · Current Report (Form 8-K) · Filed July 1, 2026

Flutter Entertainment PLC — 8-K exhibit

d150736dex991.htm

Flutter Entertainment PLC on Boardroom Alpha

EX-99.1

Exhibit 99.1

New York, United States, July 1, 2026

Flutter Entertainment plc (the “Company”)

Total Voting Rights

In accordance with DTR 5.6.1 of the UK Financial Conduct Authority’s Disclosure Guidance and Transparency Rules (DTR), the Company confirms that the total number of ordinary shares in issue as at June 30, 2026 was 173,481,132 with a nominal value of €0.09 each, with each share carrying the right to one vote.

The figure which may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in the Company under the UK Financial Conduct Authority’s Disclosure Guidance and Transparency Rules, therefore is 173,481,132.

Edward Traynor

Company Secretary

Flutter Entertainment plc

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