Tetra Tech(TTEK) - 2024 Q3 - Quarterly Results

Exhibit 99.1 NEWS RELEASE July 31, 2024 Tetra Tech Reports Record Third Quarter Results, Raises Guidance and Announces Five-for-One Stock Split · Record Quarterly Revenue $1.34 billion, up 11% Y/Y · Record Q3 Operating Income $129 million, up 32% Y/Y · Record Q3 EPS $1.59, up 42% Y/Y · Record Backlog $5.23 billion, up 19% Y/Y · Increasing FY 2024 Net Revenue and EPS guidance Pasadena, California. Tetra Tech, Inc. (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, en ...