Second ISR mine enters full operations and begins production ramp-up CASPER, WY / ACCESS Newswire / August 20, 2026 / Ur-Energy Inc. (NYSE American:URG)(TSX:URE) ("Ur-Energy" or the "Company"), America's largest and fastest-growing domestic ISR uranium producer, is pleased to announce that on August 19, 2026, it made the first shipment of uranium from its Shirley Basin mine to its Lost Creek processing plant in Wyoming. Matt Gili, President & CEO of Ur-Energy, stated, "This first shipment is not only the start of full operations at Shirley Basin, it also marks Ur-Energy's transition to a multi-asset, domestic U.S. uranium producer.

