Caijiaying Zone II Update

Griffin Mining Limited ("Griffin" or the "Company) is pleased to announce that the commissioning of ore extraction from Zone II at the Caijiaying Mine is expected to commence in the first quarter of 2026.

As outlined in the Company's announcement dated the 18th September 2025 (the "Announcement"), the Company continues to support the ongoing government regulatory safety measures (including explosives supply restrictions) requested by the relevant County, City and Provincial Bureaus although, as stated in the Announcement, mine production and financial results will continue to be impacted until the 31st December 2025.

Importantly, there is no disruption to the supply of explosives for development activities and the Caijiaying Mine remains on schedule to obtain the full safety facility approval and completion of the necessary work to achieve commissioning of Zone II in the first quarter of 2026. The Company's strong support of the government's safety initiatives continues to strengthen its relationship with Chinese regulators in all of these activities and approvals.

Chairman's Statement

Chairman Mladen Ninkov commented, "The Company looks forward to the next chapter in it's 20 year operating history with the commissioning of Zone II in the near future and all the benefits that orebody is expected deliver. It is the Company's continuing support of the safety initiatives by the Chinese regulatory authorities that engenders the goodwill towards Griffin, as good citizens of China, to obtain the necessary approvals to take the Caijiaying Mine to the next level."

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The Company's news releases are available on the Company's web site: www.griffinmining.com