Exhibit 99.1 Reddit Announces Second Quarter 2024 Results Strong Q2 results, including both revenue and users each growing over 50% year-over-year Daily Active Uniques ("DAUq") increased 51% year-over-year to 91.2 million Revenue increased 54% to $281.2 million, more than doubling growth rate from prior year Net loss reduced to $10.1 million. Positive Adjusted EBITDA of $39.5 million, up $74.9 million, with 14% Adjusted EBITDA margin, up over 3000 basis points from prior year 1 1 Operating cash flow of $28. ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ______ to ______ Commission File Number: 001-41983 _________________________ Reddit, Inc. (Exact name of registrant as specified in its char ...

Exhibit 99.1 Reddit Announces First Quarter 2024 Results Record user traffic, Daily Active Uniques ("DAUq") increased 37% to 82.7 million Revenue increased 48% to $243.0 million, nearly doubling growth rate from prior quarter Net loss driven by IPO expenses, first profitable Q1 on an Adjusted EBITDA basis Operating cash flow of $32.1 million and positive free cash flow of $29.2 million SAN FRANCISCO, Calif. – May 7, 2024 – Reddit, Inc. (NYSE: RDDT) today announced financial results for the quarter ended Mar ...