Ucore announces: the successful completion of its RapidSX™ equipment ("RSX-1") scale-up verification program for its developing Louisiana Strategic Metals Complex in Alexandria, Louisiana selection of Enhanced Machine A's specific equipment and operational configurations Halifax, Nova Scotia--(Newsfile Corp. - August 5, 2026) - Ucore Rare Metals Inc. (TSXV: UCU) (OTCQX: UURAF) ("Ucore" or the "Company") is pleased to announce that it has successfully completed the scale-up testing and optimization program for its commercial-scale RapidSX™ computerized and motionless mixing contactor assemblies to be deployed at its Alexandria, Louisiana, Strategic Metals Complex ("SMC"). This contactor equipment scale-up program ("RSX-1") builds on the 7,400+ hours of simulated commercial runtime on the Company's Demonstration Plant ("Demo Plant") at its RapidSX™ Commercialization and Demonstration Facility ("CDF") in Kingston, Ontario.