MONTRÉAL, Oct. 26, 2022 /PRNewswire/ – Mason Graphite Inc. (“Mason Graphite” or the “Company”) (TSXV: LLG) (OTCQX: MGPHF) announced today that the Company has completed its change of business from a “Tier 2 mining issuer” to a “Tier 2 investment issuer” (the “COB”) pursuant to Policy 5.2…