• 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

Tetra Tech, Inc. (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment and sustainable infrastructure, today announced results for its third quarter ended June 30, 2024.

Third Quarter Highlights

• Revenue increased 11% Y/Y to $1.34 billion
• Net Revenue¹ increased 12% Y/Y to $1.11 billion
• Operating Income increased 32% Y/Y to $129 million
• EPS increased 42% Y/Y to $1.59
• Backlog increased 19% Y/Y to $5.23 billion
• Industry-leading DSO of 54 days
• Cash Flow from Operations of $141 million
• Net Debt / EBITDA reduced 34% Y/Y to 1.15x

Recent Key Wins

• $439 million for expanding energy resiliency through innovative solutions for diversified generation, delivery and storage of energy in Ukraine
• $73 million to increase energy resiliency and support sustainable infrastructure throughout West Africa
• $65 million for disaster preparedness associated with impacts from climate change and rising sea levels across vulnerable areas in the Asia Pacific region
• $64 million for supporting sustainable land and infrastructure systems including water resource management and irrigation in developing countries
• $56 million to design advanced water treatment and PFAS removal solution for a new facility in Virginia
• $54 million for sustainable infrastructure programs addressing climate change adaptation in Southeast Asia
• $35 million for assessment and restoration for water and environmental impacts associated with fire recovery in Hawaii
• $32 million for investigation and evaluation of contaminated sediments within the Anacostia River in the Potomac River Basin
• $27 million to assess and design water leachate treatment solutions in municipal landfills in California

Executive Management Comment

Dan Batrack, Chairman and CEO, commented, “Tetra Tech continued our strong performance through the third quarter with increasing demand for our high-end water, environment, and sustainable infrastructure services, resulting in record quarterly revenue and an all-time high backlog. We continued to grow our services for front-end advisory and consulting work, resulting in the expansion of our margins in GSG by 60 basis points and CIG by 230 basis points over the third quarter of last year. With increased profitability and record backlog, we are raising our full year guidance for net revenue and earnings, which represents forecasted EPS growth of 23% for fiscal 2024.”

Quarterly Dividend and Share Repurchase Program

On July 29, 2024, Tetra Tech’s Board of Directors approved the Company’s 41^st consecutive quarterly dividend at an amount of $0.29 per share, a 12% increase year-over-year, payable on August 30, 2024, to stockholders of record as of August 15, 2024. Tetra Tech has $348 million remaining under its $400 million share repurchase program.

Five-for-One Stock Split

On July 29, 2024, Tetra Tech’s Board of Directors approved a five-for-one stock split of the Company’s common stock. The split will be effected through an amendment to Tetra Tech’s Restated Certificate of Incorporation, which will result in a proportionate increase in the number of shares of authorized common stock. The stock split is intended to make shares more accessible to a broader base of investors and enhance liquidity in the trading of the Company’s shares. Each record holder of common stock as of the close of market on September 5, 2024, will receive four additional shares of common stock. The stock split is expected to be effective after close of trading on September 6, 2024. Trading is expected to commence on a split-adjusted basis at market open on September 9, 2024.

Nine-Month Results

Revenue for the nine-month period was $3.82 billion and net revenue was $3.18 billion, up 17% and 18%, respectively, over the same period in fiscal 2023. Operating income was $357 million, up 43%. EPS was $4.40 up from $4.10 for same period last year; last year included a one-time gain from the integrated FX hedge which increased EPS by $1.23.

Business Outlook

The following statements are based on current expectations. These statements are forward-looking, and the actual results could differ materially. These statements do not include the potential impact of transactions that may be completed or developments that become evident after the date of this release. The Business Outlook section should be read in conjunction with the information on forward-looking statements at the end of this release.

For fiscal 2024, Tetra Tech is raising EPS guidance to range from $6.23 to $6.28, an increase of 23% at the midpoint year-over-year, and is raising net revenue guidance to range from $4.27 billion to $4.32 billion², an increase of 15% at the midpoint year-over-year. Tetra Tech expects EPS for the fourth quarter of fiscal 2024 to range from $1.82 to $1.87 and net revenue to range from $1.09 billion to $1.14 billion.

Third Quarter Earnings Webcast

Investors will have the opportunity to access a live audio-visual webcast on the Company’s Investor Relations website at tetratech.com/investors on August 1, 2024, at 8:00 a.m. (PT). The webcast replay will be available following the call.

About Tetra Tech

Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With 28,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science^® to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition. For more information about Tetra Tech, please visit tetratech.com or follow us on LinkedIn and Facebook.

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1</sup> Non-GAAP financial measures which the Company believes provide valuable perspectives on its business results. Refer to tables in the Regulation G Information for reconciliations to the comparable GAAP metrics.

² Reconciliation of the net revenue guidance to the most directly comparable GAAP measure is not available without unreasonable efforts because the Company cannot predict the magnitude and timing of all the components required to provide such reconciliation with sufficient precision.

Forward-Looking Statements

This release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements include, but are not limited to, statements that address our forward stock split and the use of words such as "anticipate," "expect," "could," "may," "intend," "plan" and "believe," among others, generally identify forward-looking statements. These forward-looking statements are based on current expectations and beliefs of Tetra Tech’s management and currently available operating, financial, economic and other information, and are subject to a number of risks and uncertainties. Readers are cautioned that these forward-looking statements are only predictions and may differ materially from actual future events or results. A variety of factors, many of which are beyond our control, could cause actual future results or events to differ materially from those projected in the forward-looking statements in this release, including but not limited to: continuing worldwide political and economic uncertainties; the U.S. Administration’s potential changes to fiscal policies; the cyclicality in demand for our overall services; the fluctuation in demand for oil and gas, and mining services; risks related to international operations; concentration of revenues from U.S. government agencies and potential funding disruptions by these agencies; dependence on winning or renewing U.S. government contracts; the delay or unavailability of public funding on U.S. government contracts; the U.S. government’s right to modify, delay, curtail or terminate contracts at its convenience; compliance with government procurement laws and regulations; the impact of global pandemics like COVID-19; credit risks associated with certain clients in certain geographic areas or industries; acquisition strategy and integration risks; goodwill or other intangible asset impairment; the failure to comply with worldwide anti-bribery laws; the failure to comply with domestic and international export laws; the failure to properly manage projects; the loss of key personnel or the inability to attract and retain qualified personnel; the ability of our employees to obtain government granted eligibility; the use of estimates and assumptions in the preparation of financial statements; the ability to maintain adequate workforce utilization; the use of the percentage-of-completion method of accounting; the inability to accurately estimate and control contract costs; the failure to adequately recover on our claims for additional contract costs; the failure to win or renew contracts with private and public sector clients; growth strategy management; backlog cancellation and adjustments; risks relating to cyber security breaches; the failure of partners to perform on joint projects; the failure of subcontractors to satisfy their obligations; requirements to pay liquidated damages based on contract performance; the adoption of new legal requirements; changes in resource management, environmental or infrastructure industry laws, regulations or programs; changes in bank and capital markets and the access to capital; credit agreement covenants; industry competition; liability related to legal proceedings, investigations, and disputes; the availability of third-party insurance coverage; the ability to obtain adequate bonding; employee, agent, or partner misconduct; employee risks related to international travel; safety programs; conflict of interest issues; liabilities relating to reports and opinions; liabilities relating to environmental laws and regulations; force majeure events; protection of intellectual property rights; stock price volatility; the ability to impede a business combination based on Delaware law and charter documents; and other risks and uncertainties as may be described in Tetra Tech’s periodic filings with the Securities and Exchange Commission, including those described in the “Risk Factors” section of Tetra Tech’s Annual Report on Form 10-K for the fiscal year ended October 1, 2023. Readers should not place undue reliance on forward-looking statements since such information speaks only as of the date of this release. Tetra Tech does not intend to update forward-looking statements and expressly disclaims any obligation to do so.

Non-GAAP Financial Measures

To supplement the financial results presented in accordance with generally accepted accounting principles in the United States (“GAAP”), we present certain non-GAAP financial measures within the meaning of Regulation G under the Securities Exchange Act of 1934, as amended. We provide these non-GAAP financial measures because we believe they provide a valuable perspective on our financial results. However, non-GAAP measures have limitations as analytical tools and should not be considered in isolation and are not in accordance with, or a substitute for, GAAP measures. In addition, other companies may define non-GAAP measures differently which limits the ability of investors to compare non-GAAP measures of Tetra Tech to those used by our peer companies. A reconciliation of these non-GAAP financial measures to the most directly comparable GAAP financial measures is available at tetratech.com/investors.

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