News Release – Vancouver, British Columbia – February 23, 2023: Monumental Minerals Corp. (“Monumental” or the “Company”) (TSX-V: MNRL; FSE: BE5; OTCQB: MNMRF) is pleased to provide an update on exploration at the Jemi rare earth element (REE) project (the “Project”) located in Coahuila, Mexico, about 40 km south of the Texas, USA border. Rock sampling across a broad area has discovered high grades of the critical magnet metals dysprosium (Dy) and terbium (Tb) and defined a series of high priority drill targets.