Exhibit 99.1 RUSH STREET INTERACTIVE ANNOUNCES SECOND QUARTER 2025 RESULTS AND RAISES FULL YEAR GUIDANCE - Record Quarterly Revenue of $269 Million, up 22$29 Million - - Record Quarterly Adjusted EBITDA of More Than $40 Million, up 88% Year-over-Year - - Raising Full Year 2025 Revenue & Adjusted EBITDA Guidance Ranges, reflecting +16% and +51% growth at each respective midpoint - CHICAGO – July 30, 2025 – Rush Street Interactive, Inc. (NYSE: ...