MONTREAL, May 16, 2022 (GLOBE NEWSWIRE) -- Following today’s joint announcement with Nouveau Monde Graphite Inc. (NYSE: NMG) (TSX-V: NOU) titled: “Nouveau Monde and Mason Graphite Announce Strategic Investment and Conditional Option and Joint Venture Agreement on Lac Guéret Project”, Mason Graphite Inc. (“Mason Graphite” or the “Company") (TSX-V: LLG) (OTCQX: MGPHF) is pleased to provide a corporate update on its subsidiary, Black Swan Graphene Inc. (“Black Swan Graphene”). Highlights include: T