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The $36.6 million increase quarter over quarter is attributed to the following:

• Free Cash Flow generated in Q4 totals $53.0 million

• Investments in Long Term Inventories total $17.0 million and $18.8 million in Non-Sustaining Capital

• Net financing inflows total $13.3 million, driven largely by $15.5 million of warrant proceeds

• Positive foreign exchange adjustment $6.1 million

Free Cash Flow generated by TZ will be the primary source of capital to fund future disciplined growth at GMIN's development projects and is defined by the Corporation as:

• Cash Flow from Operating Activities; adjusted for

• Investments in Long Term Inventories, which represents ore mined and stockpiled that will not be processed in the following 12-month period⁵; less

• Changes in Non-Cash Working Capital: less

• Sustaining Capital Expenditures, inclusive of Capitalized Stripping

Tocantinzinho Mine Highlights

After two months of successful commissioning, GMIN declared commercial production at TZ on September 1st, 2024, delivered on schedule and within budget. Q4 marked TZ's first full quarter of commercial production, contributing 40,147 ounces to an annual production total of 63,566 ounces.

Mining operations performed ahead of expectations, with a total of 14.3 Mt mined in 2024, including 6.4 Mt of ore, resulting in a low annual strip ratio of 1.23x. Plant throughput in Q4 averaged 10,523 t/d (82% of nameplate capacity) despite unplanned downtime related to SAG mill liner replacements. Recoveries remained strong at over 89.2%, in line with Feasibility Study estimates, supporting the processing of higher-grade ore averaging 1.45 g/t Au in Q4. A full metallic liner system, scheduled for installation in early Q2 2025, is expected to improve plant availability and allow the process plant to reach nameplate capacity.

In its first full quarter of commercial production in Q4, cash costs at TZ were $577/oz and AISC was $862/oz. For the full year, cash costs were $668/oz and AISC was $972/oz.

Annual owner-operated mining costs averaged $2.31/t mined ($2.85/t in Q4), while processing costs were $10.02/t milled ($10.14/t in Q4). General and administrative ("G&A") expenses averaged $7.29/t milled for the year, and lowered to $6.62/t in Q4. As the operation continues to ramp up toward nameplate capacity, unit G&A costs are expected to decline due to the fixed nature of a significant portion of these expenses.

TZ is a major employer of local workforce, with 67% of the ~1,000 employees and contractors coming from local communities, and 97% Brazilians.

Oko West Project Highlights

In July 2024, GMIN completed the business combination with Reunion Gold to acquire the high-quality Oko West gold project located in Guyana. In September 2024, GMIN reported results from a positive Preliminary Economic Assessment ("PEA") on Oko West, demonstrating after-tax Net Present Value (5%) of $1.4 billion, Internal Rate of Return of 21% and a payback period of 3.8 years using a $1,950/oz base case gold price. The average annual gold production is estimated to be 353,000 ounces at an AISC of $986/oz over a 12.7-year mine life. The initial capital cost is estimated to be $936 million, with sustaining capital costs of $537 million over the life of mine (see news release dated September 9, 2024).

During 2024, a 49,000m definition drilling program was completed at Oko West in support of the upcoming Feasibility Study ("FS"). Additionally, a new regional exploration drilling program began at Oko West to investigate structures identified through geophysics and geochemical soil anomalies.

The Environmental Impact Assessment and Environmental Impact Statement submissions (jointly, "ESIA") for Oko West were made to the Guyana Environmental Protection Agency ("EPA") in November 2024.

After receiving an Interim Environmental Permit on Oko West from EPA in January 2025, GMIN announced the commencement of early works construction in March 2025. Site preparation activities are in progress for the barge landing on the Cuyuní River and the permanent camp area, which are key initial infrastructures to support future development.

Gurupi Project Highlights

GMIN closed the acquisition of tenements in the Gurupi Gold Belt from a wholly owned subsidiaries of BHP in December 2024. In February 2025, GMIN announced an updated National Instrument 43-101 ("NI 43-101") compliant mineral resource estimate, totaling 1.83 Moz of indicated resources grading 1.31 g/t Au and 0.77 Moz of inferred resources grading 1.29 g/t Au (see news release dated February 20, 2025).

2025 Outlook

GMIN released 2025 guidance on January 21, 2025, including production, total cash costs, AISC, as well as sustaining and non-sustaining capital expenditures. The following table summarizes 2025 guidance:

2025 Catalysts

Over 2025, the Corporation will focus on the following activities:

• Oko West FS publication (April 2025)

• Oko West financing (H2-2025)

• Construction decision on Oko West (H2-2025)

• Continuation of detailed engineering at Oko West (2025)

• Greenfield and brownfield exploration (2025)

Fourth Quarter and Full Year 2024 Results Conference Call and Webcast

A conference call to discuss details of GMIN's fourth quarter and full year 2024 results will be held by executive management on Friday, March 28, 2025, at 9:00 AM (E.S.T.). Participants may join the conference call using the following call-in details:

• Participant Toll-Free Dial-In Number: 1-800-715-9871

• Participant International Dial-In Number: 1-646-307-1963

• Conference ID: 9990034

A live webcast of the conference call will be available at https://edge.media-server.com/mmc/p/txa37kh5

A replay of this conference call – via phone and webcast – will be available until April 28, 2025. Replay details will be provided on the GMIN website after the call at: https://gmin.gold/investors/presentations-and-events/.

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. (TSX: GMIN) (OTCQX: GMINF) 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.

Additional Information

For further information on GMIN, please visit the website at www.gmin.gold

Cautionary Statement on Forward-Looking Information

All statements, other than statements of historical fact, contained in this press release constitute "forward-looking information" and "forward-looking statements" within the meaning of certain securities laws and are based on expectations and projections as of the date of this press release. Forward-looking statements contained in this press release include, without limitation, those related to (i) the free cash flow generated by TZ to be the primary source of capital funding GMIN's development projects and future growth; (ii) the installation of a full metallic liner system at the TZ plant to improve its availability and allow it to reach nameplate capacity and meet targets; (iii) the G&A costs at TZ being expected to decline; (iv) the expectations pertaining to the Oko West Project's annual gold production and AISC for the life-of-mine, as well as the expected initial capital cost and sustaining capital costs over the life of mine; (v) the Oko West feasibility study to be completed in April 2025, or at all; (vi) the progress of site preparation leading to installation of key infrastructure supporting future developments at Oko West; (vii) the full table setting forth the Corporation's guidance; (viii) the Oko West gold production profile for 2025, with 56% of output to be realized in the second half of the year; (ix) the TZ cash costs and AISC profile as well as the sustaining cost for 2025; * GMIN's plans to update Gurupi tenements' existing resource to NI 43-101 standards; (xi) GMIN's priorities to ramp up the TZ plant to nameplate capacity and to advance Oko West through the feasibility study; (xii) the quoted comments and expectations of GMIN's President & Chief Executive Officer; and (xiii) more generally, the section entitled "About G Mining Ventures Corp.".

Forward-looking statements are based on expectations, estimates and projections as of the time of this press release. Forward-looking statements are necessarily based upon several estimates and assumptions that, while considered reasonable by the Corporation as of the time of such statements, are inherently subject to significant business, economic and competitive uncertainties and contingencies. These estimates and assumptions may prove to be incorrect. Such assumptions include, without limitation, those relating to the price of gold and currency exchange rates, those outlined in the feasibility and other technical studies (e.g., the PEA) relating to the TZ mine and GMIN's other projects, and those underlying the items listed on the above sections entitled "Corporate Update and Outlook" and "About G Mining Ventures Corp.".

Many of these uncertainties and contingencies can directly or indirectly affect, and could cause, actual results to differ materially from those expressed or implied in any forward-looking statements. There can be no assurance that, notably but without limitation, (i) GMIN's positive safety record will continue over time, (ii) any of GMIN's exploration targets at TZ, Oko West and Gurupi will lead to additional resources and eventually to gold production, (iii) the TZ plant will reach nameplate capacity, (iv) the feasibility study for Oko West, anticipated for April 2025, will be positive, (v) a construction decision will be made in respect of Oko West in 2025, or at all, (vi) Oko West will be brought into commercial production, (vii) exploration in the Tapajos region (TZ) will generate positive results (notably from its 23 targets), (viii) GMIN will finalize and submit the Oko feasibility study in a timely manner, or at all, (ix) GMIN will receive the full environmental license for Oko West by the end of Q2 2025, or at all, * GMIN will receive the mining license for Oko West in Q3 2025, or at all, (xi) GMIN will be able to restart exploration activities, expand mineral resources and strengthen stakeholder relationships at Gurupi in 2025, or at all, or (xii) GMIN's ESG initiatives and objectives (notably its environmental and community programs) will be achieved, (xiii) GMIN will comply with international standards such as TSM, GISTM and the Cyanide Code, or (xiv) GMIN will use TZ and Oko West to grow into the next intermediate producer, as future events could differ materially from what is currently anticipated by the Corporation. In addition, there can be no assurance that Brazil and/or Guyana will remain mining friendly and prospective jurisdictions.

By their very nature, forward-looking statements involve inherent risks and uncertainties, both general and specific, and risks exist that estimates, forecasts, projections and other forward-looking statements will not be achieved or that assumptions do not reflect future experience. Forward-looking statements are provided for the purpose of providing information about management's expectations and plans relating to the future. Readers are cautioned not to place undue reliance on these forward-looking statements as a number of important risk factors and future events could cause the actual outcomes to differ materially from the beliefs, plans, objectives, expectations, anticipations, estimates, assumptions and intentions expressed in such forward-looking statements. All of the forward-looking statements made in this press release are qualified by these cautionary statements and those made in the Corporation's other filings with the securities regulators of Canada including, but not limited to, the cautionary statements made in the relevant sections of the (i) Annual Information Form of G Mining TZ Corp. (then known as G Mining Ventures Corp.) dated March 27, 2024, for the financial year ended December 31, 2023, (ii) Annual Information Form of Reunion Gold dated April 25, 2024, for the financial year ended December 31, 2023, and (iii) Management Discussion & Analysis. The Corporation cautions that the foregoing list of factors that may affect future results is not exhaustive, and new, unforeseeable risks may arise from time to time. The Corporation disclaims any intention or obligation to update or revise any forward-looking statements or to explain any material difference between subsequent actual events and such forward-looking statements, except to the extent required by applicable law.

Consolidated Statements of Financial Position
(Tabular amounts expressed in Thousands of United States Dollars)

Consolidated Statements of Income (Loss)
(Tabular amounts expressed in Thousands of United States Dollars, except for number of shares)

Consolidated Statements of Cash Flows
(Tabular amounts expressed in Thousands of United States Dollars)

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SOURCE G Mining Ventures Corp