UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended April 2, 2023 OR ☐ 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 0-19655 TETRA TECH, INC. (Exact name of registrant as specified in its charter) Delaware 95-4148514 (State or other jurisdiction of i ...

Tetra Tech, Inc. (NASDAQ:TTEK) Q2 2023 Earnings Conference Call May 11, 2023 11:00 AM ET Company Participants Dan Batrack - Chairman and Chief Executive Officer Steve Burdick - Chief financial Officer Jill Hudkins - President Leslie Shoemaker - Chief Sustainability Officer Conference Call Participants Sean Eastman - KeyBanc Tate Sullivan - Maxim Group Andy Wittmann - Baird Michael Dudas - Vertical Research Operator Good morning and thank you for joining the Tetra Tech Earnings Call. As a reminder, Tetra Tec ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended January 1, 2023 OR ☐ 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 0-19655 TETRA TECH, INC. (Exact name of registrant as specified in its charter) Delaware 95-4148514 (State or other jurisdiction of ...

Tetra Tech, Inc. (NASDAQ:TTEK) Q1 2023 Earnings Conference Call February 2, 2023 11:00 AM ET Company Participants Dan Batrack - Chairman & Chief Executive Officer Steve Burdick - Chief Financial Officer Jill Hudkins - President Conference Call Participants Noelle Dilts - Stifel Andy Wittmann - Baird Alex Dwyer - KeyBanc Tate Sullivan - Maxim Group Michael Dudas - Vertical Research Operator Good morning and thank you for joining the Tetra Tech Earnings Call. As a reminder, Tetra Tech is also simulcasting thi ...

EARNINGS CALL Q1-23February 2, 2023 Dan Batrack, Chairman & CEO Steve Burdick, Executive VP & CFO Jill Hudkins, President WATER ENVIRONMENT SUSTAINABLE INFRASTRUCTURE Leading with Science® Forward Looking Statements & Non-GAAP Financial Measures All statements in this communication other than statements of historical fact are "forward-looking statements" for purposes of federal and state securities laws, including any statements of the plans, strategies and objectives for future operations, profitability, s ...

EARNINGS CALL Q4-22November 10, 2022 Dan Batrack, Chairman & CEO Steve Burdick, Executive VP & CFO Jill Hudkins, President WATER ENVIRONMENT SUSTAINABLE INFRASTRUCTURE Leading with Science® Forward Looking Statements & Non-GAAP Financial Measures Certain statements contained in this presentation are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements involve risks and uncertainties, such as those related to fluctuations in the Company's qua ...

Investor Presentation June 2022 WATER ENVIRONMENT SUSTAINABLE INFRASTRUCTURE Leading with Science® Forward Looking Statements & Non-GAAP Financial Measures Certain statements contained in this presentation are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements involve risks and uncertainties, such as those related to fluctuations in the Company's quarterly operating results and stock price, and the other risks detailed from time to time in ...

EARNINGS CALL Q2-22May 5, 2022 Dan Batrack, Chairman & CEO Steve Burdick, Executive VP & CFO WATER ENVIRONMENT SUSTAINABLE INFRASTRUCTURE Leading with Science® Forward Looking Statements & Non-GAAP Financial Measures Certain statements contained in this presentation are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements involve risks and uncertainties, such as those related to fluctuations in the Company's quarterly operating results and s ...

EARNINGS CALL Q1-22February 3, 2022 Dan Batrack, Chairman & CEO Steve Burdick, Executive VP & CFO WATER ENVIRONMENT SUSTAINABLE INFRASTRUCTURE Leading with Science® Forward Looking Statements & Non-GAAP Financial Measures Certain statements contained in this presentation are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements involve risks and uncertainties, such as those related to fluctuations in the Company's quarterly operating results ...

Investor Presentation December 2021 WATER ENVIRONMENT SUSTAINABLE INFRASTRUCTURE Leading with Science® Forward Looking Statements & Non-GAAP Financial Measures Certain statements contained in this presentation are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements involve risks and uncertainties, such as those related to fluctuations in the Company's quarterly operating results and stock price, and the other risks detailed from time to tim ...