Ur-Energy Commences Operations at its Shirley Basin ISR Project, Wyoming, Advancing U.S. Uranium Production

CASPER, WY / ACCESS Newswire / April 23, 2026 / Ur-Energy Inc. (NYSE American:URG)(TSX:URE) (the "Company," "Ur-Energy" or "we"), a domestic uranium producer with ISR projects that are among the largest and lowest-cost in the United States, is pleased to announce the start of uranium mining operations at its Shirley Basin Project in Wyoming. Operations Underway in a Historic ISR District Uranium bearing solution is now being captured from Mine Unit 1 at Shirley Basin after the successful completion of significant construction, wellfield installation, and permitting.