Mr. Louis-Pierre Gignac reports

G MINING VENTURES REPORTS Q3 2025 PRODUCTION RESULTS

G Mining Ventures Corp. has released production results for the three months ended Sept. 30, 2025, for the Tocantinzinho (TZ) gold mine in the state of Para, Brazil.

TZ produced 46,360 ounces of gold during Q3 2025, bringing production year to date at the end of September, 2025, to 124,525 ounces of gold. In the third quarter of 2025, the mill processed 1,094,000 tonnes of ore, resulting in an average throughput rate of 11,890 tonnes per day, or 92 per cent of nameplate at an average grade of 1.43 grams per tonne with recoveries of 92.3 per cent.

Louis-Pierre Gignac, president and chief executive office of G Mining, stated: "TZ continues to deliver on the plans set out for 2025. The third quarter marked another period of strong operational performance, achieving the highest quarterly gold production in the company's history. This reflects continued improvement across both mining and milling operations."

Third quarter 2025 production highlights:

• Gold production totalled 46,360 ounces, representing a 9-per-cent increase over Q2 2025.
• Gold sales reached 49,119 ounces, a 23-per-cent increase compared with the previous quarter.
• The plant achieved an average throughput of 11,890 tonnes per day, equivalent to 92 per cent of nameplate capacity, up from 11,107 tonnes per day (86 per cent) in Q2 2025.
• Gold recovery improved to 92.3 per cent, compared with 90.3 per cent in Q2 2025.
• The average mining rate rose to 55,023 tonnes per day, marking a 15-per-cent increase from Q2 2025.

Third quarter 2025 earnings results conference call and webcast

G Mining will release its third quarter 2025 financial results on Nov. 12, 2025, after market close. G Mining's senior management will host a conference call the following day at 9 a.m. ET to discuss the corporation's financial and operating results, which will be followed by a question-and-answer session. Participants may join the conference call using the following call-in details.

Conference ID:  4699534

Participant toll-free dial-in number:  1-800-715-9871

Participant international dial-in number:  1-646-307-1963

Participants can also access a live webcast of the conference call through G Mining's website.

A replay of this conference call will be available through the webcast for 12 months. Replay details will be provided on the G Mining website 24 hours after the call.

Qualified person

Louis-Pierre Gignac, president & chief executive officer of G Mining, a qualified person as defined in National Instrument 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 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. G Mining is well positioned to grow into the next mid-tier precious metals producer by leveraging strong access to capital and proven development expertise. G Mining 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.

We seek Safe Harbor.