Exhibit 99.1 Thoughtworks Reports Fourth Quarter and Full Year 2023 Financial Results • Fourth quarter revenues of $252.4 million and full year revenues of$1,126.8 million • Provides guidance for the full year and first quarter of 2024 CHICAGO, IL., (February 27, 2024) – Thoughtworks Holding, Inc. (NASDAQ: TWKS) ("Thoughtworks" or the "Company"), a leading global technology consultancy, today reported results for the fourth quarter and full year 2023 and provided its financial outlook for the full year and ...