Tetra Tech (TTEK) investor relations material

Business overview and market position

• Generates $5B in annual revenue with 25,000 employees and operations in 125 countries across 7 continents.

• Focuses on consulting (65%), design (30%), and implementation (<5%) in water, environment, and sustainable infrastructure.

• Recognized as a premier global consulting and engineering firm.

Key growth drivers and strategic initiatives

• Water sector growth driven by data centers, defense, mining, manufacturing, and power generation needs.

• Major contracts in U.S. and international water utilities, including $22B in U.S. capex and €11.8B in Ireland.

• Expansion in digital automation and adoption of proprietary software by utilities in the U.S., Canada, and U.K.

• Defense infrastructure modernization contracts in the U.S., U.K., and Australia, totaling hundreds of millions.

Financial performance and backlog

• Q1-26 backlog reached $5.44B, with significant new contract wins in defense and environmental services.

• Q1-26 net revenue (excluding USAID/DOS) grew 8% year-over-year to $987M; operating income up 12% to $131M.

• EPS increased 17% year-over-year to $0.34 (excluding USAID/DOS and one-time items).

• Segment growth led by water infrastructure, defense, U.K. water, and digital automation.