UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ____________________________________________________________________________ FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended October 3, 2021 ☐ 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 _________________________________________________________ ...

Financial Data and Key Metrics Changes - The company achieved record results in Q4 and for the fiscal year 2021, with full year revenue of $3.21 billion and operating income of $275 million, representing a 13% increase from the previous year [10] - Adjusted EPS was $3.79, up 16% year-over-year, while GAAP EPS was $4.26, reflecting a 35% increase from last year [10] - Q4 net revenue increased 20% year-over-year to $709 million, with operating income of $79 million and EPS of $1.05, marking the highest quarterly EPS in the company's history [13] Performance by Business Lines - Revenue from state and local clients increased organically by 30% year-over-year, marking the sixth consecutive year of double-digit growth [14] - US Federal revenue accounted for 28% of total revenue, up 11% from the same quarter last year, driven by climate change-related services [15] - International revenue grew by 35% year-over-year, benefiting from the addition of the high-performance buildings group in the UK and a 24% growth in other international operations [16] Market Data and Key Metrics Changes - The company reported a backlog of $3.48 billion, up 7% year-over-year and sequentially, indicating strong future revenue visibility [13][18] - The Government Services Group (GSG) segment grew 13% year-over-year to $372 million, while the Commercial International Group (CIG) grew by 30% with a margin of 12.4% [17][18] Company Strategy and Industry Competition - The company is aligned with global priorities in water, environment, sustainable infrastructure, and renewable energy, which are driving new projects and funding commitments [7][33] - The recent $1.2 trillion infrastructure bill in the U.S. is expected to create new opportunities for the company, particularly in water and renewable energy sectors [37][110] - The company is focused on leveraging technology and data analytics to enhance margins and operational efficiency across its segments [90] Management's Comments on Operating Environment and Future Outlook - Management noted that the Biden administration's focus on climate change and infrastructure aligns well with the company's services, providing a favorable outlook for growth [33][34] - The company anticipates continued growth in the U.S. Federal sector in the high-single digits, with state and local growth expected between 10% and 15% [43][40] - Management expressed confidence in margin expansion, projecting an operating margin of 11.2% for fiscal year 2022 [46] Other Important Information - The company generated $304 million in cash flow from operations for fiscal 2021, allowing for strategic acquisitions and shareholder returns [28][31] - The Board of Directors approved a dividend increase of 18% for the upcoming payment, marking the 30th consecutive dividend [29] Q&A Session Summary Question: What is the impact of wage inflation and staff attrition? - Management reported little to no impact from wage inflation and noted a decrease in turnover rates since the pandemic began, attributing this to competitive pay and meaningful work [54][56] Question: Are there any benefits from COP26 for the international business? - Management highlighted increased funding commitments from countries like Canada, the UK, and Australia, which could lead to significant investment in climate change initiatives [59][60] Question: What are the long-term margin opportunities for the business? - Management indicated that they are reevaluating margin targets and see potential for higher margins due to technology improvements and operational efficiencies [62][63] Question: Can you elaborate on the high-performance building opportunities in the UK? - The addition of Hoare Lea is expected to enhance the company's capabilities in high-performance buildings, with anticipated growth driven by regulatory mandates and client preferences [68][72] Question: What are the utilization opportunities moving forward? - Management noted a current utilization rate of about 70% with a 10% to 15% surge capacity, allowing the company to handle increased demand without significant staffing changes [79][80]

EARNINGS CALL Q4-21November 18, 2021 Dan Batrack, Chairman & CEO Steve Burdick, Executive VP & CFO WATER ENVIRONMENT SUSTAINABLE INFRASTRUCTURE RENEWABLE ENERGY 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 ...

For the quarterly period ended June 27, 2021 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 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 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 2021 Earnings Conference Call April 29, 2021 11:00 AM ET Company Participants Dan Batrack - Chairman & CEO Steven Burdick - CFO, EVP & Treasurer Conference Call Participants Sean Eastman - KeyBanc Capital Markets Samuel England - Berenberg Andrew Wittmann - Baird Tate Sullivan - Maxim Group Operator Good morning, and thank you for joining the Tetra Tech Earnings Call. By now, you should have received a copy of the press release. If you have not, please contact the compa ...

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 March 28, 2021 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 ...

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 December 27, 2020 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) (Address of principal executive offices) (Zip Cod ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 | ____________________________________________________________________________ | | | --- | --- | | FORM 10-K | | | (Mark One) | | | ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 | | | For the Fiscal Year Ended September 27, 2020 | | | ☐ 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 0-19 ...

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 June 28, 2020 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 ...

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 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification Number) 3475 East Foothill Boulevard, Pasadena, California 91107 (Address of principal executive offices) (Zip Code) For the quarterly period ended March 29, 2020 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIE ...