PHOENIX, Ariz., [June 23, 2026] — Graphene & Solar Technologies Limited (OTCID: GSTX) is pleased to announce that the California Governor’s Office of Business and Economic Development (GO-Biz) awarded the third largest California Competes Tax Credit to date to GSTX’s subsidiary, The Quartz & Silicon Materials Company Limited (QSM), for its projects.

PHOENIX, Ariz., [June 4, 2026] — Graphene & Solar Technologies Limited (OTCID: GSTX) (“GSTX”) today outlines its integrated solar materials supply chain strategy for high-purity quartz, polysilicon, monocrystalline silicon ingots, and silicon wafers. By creating resilient domestic manufacturing capacity, GSTX plans to address the supply-chain gap in manufacturing solar materials outside of Asia.

PHOENIX, AZ, [May 28, 2026] — Graphene & Solar Technologies Limited (OTCID: GSTX) (”GSTX”) is pleased to announce that its common stock is now trading on the OTCID Basic Market level.

GSTX believes its strategy for domestic silicon wafer manufacturing will strengthen U.S. supply-chain resilience, supporting the renewables industry, domestic energy security, and job creation.