Exhibit 99.1 Semrush Announces Fourth Quarter and Full Year 2023 Financial Results March 4, 2024 — BOSTON — (BUSINESS WIRE) — Semrush Holdings, Inc. (NYSE: SEMR), a leading online visibility management SaaS platform, today reported financial results for the fourth quarter and full year ended December 31, 2023. "In 2023, we accelerated revenue growth throughout the year, delivering ARR growth of 23%, and strong profitability. In Q4, we reported revenue growth of 21% year-over-year, increased paying customers ...