G Mining Ventures Corp. (TSX: GMIN) (OTCQX: GMINF) is pleased to announce its preliminary production results for the fourth quarter and full year ended December 31, 2025, for the Tocantinzinho Gold Mine located in the State of Pará, Brazil.

During the fourth quarter, TZ produced 47,346 ounces of gold, with the mill processing 1,077 kt of ore at an average grade of 1.49 g/t Au and achieving recoveries of 91.8%.

For the full year, TZ produced 171,871 ounces of gold, from the processing of 4,086 kt of ore at an average grade of 1.44 g/t Au and recoveries averaging 90.6%.

“Tocantinzinho delivered a strong fourth quarter, successfully closing its first full year of commercial production,” commented Louis-Pierre Gignac, President & Chief Executive Officer, “Continued optimization initiatives are driving improvements in mine and plant productivity. These strong operational results were achieved alongside a solid safety performance, with only two lost time incidents, resulting in a Lost Time Injury Frequency Rate of 0.15.”

Fourth Quarter & Full Year 2025 Production Results Highlights

• The average mining rate increased to 64.7 thousand tonnes per day, representing an 18% rise compared to Q3 2025 following the commissioning of additional mining equipment
• Gold production totaled 47,346 ounces in the fourth quarter and 171,871 ounces for the full year
• Gold sales amounted to 47,457 ounces for the fourth quarter and 172,093 ounces for the full year

Table 1. Tocantinzinho Preliminary Fourth Quarter and Full-Year 2025 Operational Results

Operational results are preliminary in nature and subject to final reconciliation. Financial and operational results for the fourth quarter and year-end 2025 will be released at the end of March, followed by a conference call hosted by senior management.

Qualified Person

Louis-Pierre Gignac, President & Chief Executive Officer of GMIN, a QP as defined in NI 43-101, has reviewed the press release on behalf of the Corporation and has approved the technical disclosure contained in this press release.

About G Mining Ventures Corp.

G Mining Ventures Corp. is a mining company engaged in the acquisition, exploration and development of precious metal projects to capitalize on the value uplift from successful mine development. GMIN is well-positioned to grow into the next mid-tier precious metals producer by leveraging strong access to capital and proven development expertise. GMIN is currently anchored by the Tocantinzinho Mine in Brazil, supported by the Gurupi Project in Brazil and the Oko West Project in Guyana — all with significant exploration upside and located in mining-friendly jurisdictions.