Montreal: November 4, 2026 – AtkinsRéalis Group Inc. (TSX: ATRL),a world-class engineering services and nuclear company with offices around theworld, has been selected along with H.J. Russell & Company as a jointventure Mile High Delivery Partners (MHDP) by City and County of DenverDepartment of Aviation to serve as the program management contractor for DenverInternational Airport’s (DEN) North Terminal Expansion project. The 10-yearcontract that may authorize up to US$135 million for the airport’s NorthTerminal Expansion (NTE) project aims to enhance infrastructure to accommodateDEN’s passenger capacity, modernize international and domestic processingfunctions, improve airport operations, and prepare the airport for futuregrowth.

“The North Terminal Expansion atDEN represents an important investment in shaping the future of aviation,"said Ian L. Edwards, President andChief Executive Officer, of AtkinsRéalis."As one of the top five busiest airports in the United States and top 10in the world, our team is committed to helping DEN deliver this program safely,efficiently, and with lasting value for passengers, stakeholders, and thebroader Denver and Colorado community.”

The North Terminal Expansion project supports DEN’sVision 100 and Operation 2045, developed to serve 100 million passengersannually and 120 million per year in 2045 when the airport celebrates its 50thanniversary. The expansion is expected to create additional passengerprocessing capacity, enhance international flight operations capabilities,expand airline check-in facilities, increase passenger security screeningcapacity, and provide infrastructure; such as federal inspection servicesexpansion, baggage handling system screening and capacity improvements, neededto support future airport growth.

Under the contract, MHDP will provide comprehensive program managementsupport across planning, design, procurement, construction, stakeholdercoordination, project controls, quality management, risk management,operational readiness, and program reporting.

"We are excited to expand our aviation footprintinto the Mountain West region of the U.S. and support Denver's goal to advancetheir operations and become world class," said Byron Bright, President,U.S., AtkinsRéalis. "Ourteam combines world-class aviation program management experience with over adecade supporting DEN, creating a delivery model focused on collaboration,predictability, and lasting value."

Drawingon experience from major aviation programs including DEN’s Peña Boulevard ExpansionProgram, JFK New Terminal One, ATLNext, Dallas FortWorth’s Terminal Renewal and Improvement Program, and Toronto Pearson Airport initiatives, AtkinsRéalis will help DEN delivera future-ready airport experience while maintaining uninterrupted airportoperations throughout program execution.