Asante Gold Provides Update on Bibiani Sulphide Treatment Plant Ramp-Up

About this update from Asante Gold Corporation

[{"type":"text","content":"Asante Gold Provides Update on Bibiani Sulphide Treatment Plant Ramp-Up24‑hour operation achieved; optimization advancing toward ~92% gold recovery\n\n\n\n VANCOUVER, British Columbia, Dec. 09, 2025 (GLOBE NEWSWIRE) --\n \n Asante Gold Corporation\n \n (TSXV: ASE | GSE: ASG | OTCQX: ASGOF) (\"Asante\" or the \"Company\") is pleased to provide an update on the ramp‑up of the new sulphide treatment plant (“STP”) at the Bibiani Gold Mine (“Bibiani”) in Ghana.\n \n\n\n Highlights\n \n\n\n\n\n Ramp‑up\n \n : Construction and commissioning are complete. Plant operations began on a 12‑hour basis on September 27, 2025, with continuous 24‑hour operation established from September 29, 2025.\n \n\n\n\n\n Gold Recovery\n \n : Process optimization progressed through late November 2025, but without the benefit of the oxygen plant, which was committed for delivery in September 2025, but not delivered until late November 2025. This has caused a significant delay to the optimization program.\n \n\n\n\n The oxygen plant came online on December 3, 2025 and the Aachen Reactor is now running as designed. Gold recovery at the STP has improved significantly from 60% to now exceeding 90%, with overall gold recovery of 82%. Adjustments to operating parameters, including reagent addition practices, will continue with the objective of achieving +90% recovery overall, in the near term. The process plant remains on track to reach ~92% gold recovery overall, in line with pilot testwork and current optimization initiatives.\n \n\n\n\n Capacity\n \n : The STP has a nameplate capacity of ~4.0 million tonnes per year (Mt/y) or 12,000 tonnes per day, which is in line with plans to increase capacity of the processing plant from 3.2M tonnes per year.\n \n\n\n\n\n David Anthony, President and CEO stated, “The sulphide treatment plant is now running continuously and optimization is well underway. This is a pivotal step in Bibiani’s growth profile. As gold recovery moves toward our ~92% target and throughput rises to 4M tonnes per year, we expect meaningful improvements in gold production and unit costs at Bibiani.”\n \n\n\n Operations Update\n \n\n\n Since start‑up, Asante’s team has focused on a controlled ramp‑up that prioritizes stable throughput, reagent optim...

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