TV Reports Flooding Event at Perkoa MineTrevali Mining Corporation Apr 16, 2022, 16:19 ET VANCOUVER, BC, April 16, 2022 /CNW/ - Trevali Mining Corporation ("Trevali" or the "Company") (TSX: TV) (BVL: TV) (OTCQX: TREVF) (Frankfurt: 4TI) announces that early this morning a flooding event occurred after heavy rainfall in which the Company's Perkoa mine in Burkina Faso was flooded in certain areas. The mine was evacuated, and mine rescue efforts were immediately initiated and are ongoing. Eight workers are currently missing underground. The incident has been reported to the Burkinabe authorities. Mining and milling operations at Perkoa have been suspended and the Company is now working closely with the authorities to respond effectively. Ricus Grimbeek, President and Chief Executive Officer, commented, "We are deeply saddened by this unexpected event. Our immediate focus is on search and rescue. We will provide further updates as the situation unfolds and we determine the cause of the flooding event. Our thoughts are with the family, friends, and colleagues that have been impacted." The Company will provide further details via press release as more information becomes available. SOURCE Trevali Mining Corporation For further information: Investor Relations Contact: Jason Mercier - Director, Investor Relations, Email: jmercier@trevali.com, Phone: +1 (778) 655-6084