GMG's Graphene Engine Oil Additive G(R) LUBRICANT: Patent Granted in USA; Allowed in China

Brisbane, Queensland, Australia--(Newsfile Corp. - April 20, 2026) - Graphene Manufacturing Group Ltd (TSXV: GMG) (OTCQX: GMGMF) ("GMG" or the "Company") is pleased to advise that GMG's patent for GMG's Graphene Engine Oil Additive, G® LUBRICANT, has now been granted for 20 years in the USA and allowed in China. This is in addition to the previously announced G® LUBRICANT patent accepted for the European region.