Award expands environmental consulting role on a major natural gas investment in Canada, supporting responsible development, environmental stewardship, and energy security.

Onterris (NYSE:ONT) a global environmental solutions company solving complex challenges for planet and progress, today announced it has been awarded a contract worth more than C$9 million by a leading Canadian energy infrastructure company to provide environmental services during the construction of a C$3 billion natural gas transmission project. The contract is expected to generate revenue through the end of 2027. The project is a significant infrastructure investment designed to support growing energy demand, industrial expansion, and long-term economic development in Canada. Once operational, the system is expected to deliver more than 1 billion cubic feet of natural gas per day.

Onterris previously supported the project's front-end engineering design and detailed engineering phases, providing planning, permitting support, field investigations, and regulatory compliance services. This latest award extends the Company's role into the construction phase and interim reclamation activities, demonstrating confidence in the Company’s technical expertise, integrated service platform, and successful execution across the project lifecycle.