Solid Q2 2022 Earnings Presentation

10 ENVIRONMENTAL SERVICES STN TSX NYSE Environmental Services has over 3,000 experts around the world Environmental Services provides a wide array of conservation, ecosystem restoration, and sustainability services. Collaborates with our other business operating units to preserve environmental and social resources. Performs permitting services that enable traditional development while minimizing environmental impacts. $768M TTM Q2 2022 net revenue Q2 2022 YTD Net revenue By geography By sector ■ Buildings ■ Oil & Gas ■ Water ■ Power & Dams ■Community Dev ■Transportation ■Mining ■ United States ■ Canada ■ Global

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