Exhibit 99.1 Flutter Entertainment Releases First Quarter 2024 Financial Results May 14, 2024: Flutter Entertainment (NYSE:FLUT; LSE:FLTR), the world's leading online sports betting and iGaming operator, today announced results for Q1 20241. Key financial highlights: | In $ millions except percentages and average monthly players | | Three months ended March 31 | | | --- | --- | --- | --- | | | 2024 | 2023 | YOY | | Average monthly players (AMPs) ('000s)2 | 13,722 | 12,349 | +11% | | Revenue | 3,397 | 2,918 ...