Exhibit 99.1 Reddit Announces First Quarter 2025 Results Daily Active Uniques ("DAUq") increased 31% year-over-year to 108.1 million Revenue grew 61% year-over-year to $392.4 million Gross margin expanded year-over-year to 90.5$26.2 million, 6.7% of revenue. Diluted EPS of $0.13 Adjusted EBITDA of$115.3 million, 29.4% of revenue 1 Operating cash flow of $127.6 million. Fully diluted shares of 206.0 million, down sequentially SAN FRANCISCO, Calif. – May 1, 2025 – Reddit, Inc. (NYSE: RDDT) to ...