Exhibit 99.1 Semrush Announces Fourth Quarter and Full Year 2023 Financial Results • Fourth quarter revenue of $83.4 million, up 21% year-over-year • Full year 2023 revenue increases over 21% year-over-year • Achieves ARR of $337.1 million, up 23% year-over-year • Full year net income of $1.0 million and Non-GAAP net income of $16.3 million March 4, 2024 — BOSTON — (BUSINESS WIRE) — Semrush Holdings, Inc. (NYSE: SEMR), a leading online visibility management SaaS platform, today reported financial results fo ...