Stillwater Reports Rhodium Results and Highlights Defined Chromium at Stillwater West, Montana, USA

VANCOUVER, BC / ACCESS Newswire / May 21, 2026 / Stillwater Critical Minerals Corp. (TSXV:PGE)(OTCQB:PGEZF)(FSE:J0G) (the "Company", or "Stillwater") reports results of rhodium ("Rh") assays from the 2025 resource expansion drill campaign and highlights chromium defined at the Company's 100%-owned Stillwater West project in Montana, USA. Highlights Rhodium assays from the 2025 drill campaign confirm widespread rhodium mineralization at potential co-product levels across the Chrome Mountain and Iron Mountain resource areas within the broader district-scale polymetallic system including the Pine and Picket Pin target areas at Stillwater West.