We wish to announce that NuEnergy Gas Limited (“NuEnergy”), a subsidiary of GFB which is listed on the Australian Securities Exchange (“ASX”) has today announced on ASX, that NuEnergy’s subsidiary has on 17 December 2025, signed a binding Gas Sales and Purchase Agreement (“GSPA”) with PT Perusahaan Gas Negara Tbk (“PGN”) for the sale and purchase of CBM from its Tanjung Enim Plan of Development. First gas sales is expected in the 1st half of 2026 and the total contracted volume in the GSPA, is 5.59 billion standard cubic feet of gas (“Contract Volume”). The GSPA, which shall be for a period until the end of the Tanjung Enim production sharing contract period on 3 August 2039 or the Contract Volume has been fully delivered, whichever occurs first.

The gas will be produced and supplied from the four CBM wells recently completed under NuEnergy’s early gas sales initiative, which targets production of 1 million standard cubic feet per day until the Contract Volume is fully delivered. Gas flaring has been initiated for wells that have reached stable casing pressure, with gas flow rates being increased at a controlled pace. The gas will be sold and delivered to PGN as wellhead gas, which will then be further processed and distributed by PGN in the form of compressed natural gas.

Further details are enclosed in the attached announcement made by NuEnergy.

This announcement is dated 17 December 2025.