Arena Minerals Produces 35% Lithium Chloride in Pilot Testing at Sal de la Puna Project

TORONTO, June 27, 2022 (GLOBE NEWSWIRE) -- Arena Minerals Inc. ("Arena" or the "Company") (TSXV:AN.VN) is pleased to announce that brine processing at the Company’s pilot facilities has successfully reached concentration levels of 35% lithium chloride (“LiCl”) in Phase I and II testing. The LiCl product was produced by treating raw brine from the Sal de la Puna lithium brine project (“SDLP”), located in the Pastos Grandes basin, Salta, Argentina, with a calcium chloride reagent produced at the Company’s 100% owned Antofalla project in Catamarca, Argentina (“Antofalla”). The treated brine was subsequently evaporated at the Company’s on-site pilot facilities until the intended concentration levels were reached.