News Release – Vancouver, British Columbia – March 21, 2022: Monumental Minerals Corp. (“Monumental” or the “Company”) (TSX-V: MNRL; FSE: BE5; OTCQB: MNMRF) is pleased to announce that the Company has will be conducting site visits at the Jemi heavy rare earth (HREE) Project and the Salar De Laguna Blanca Cesium-Lithium Brine Salar Project (the “Laguna Project”) during the month of April.