TORONTO, Ontario, September 28, 2026 - Generation Mining Limited (“Generation Mining” or the “Company”) is pleased to announce that President and CEO Jamie Levy and Chairman Kerry Knoll will attend the Mining Forum Americas 2026, taking place September 27–30 at The Broadmoor Hotel and Resort in Colorado Springs, Colorado. Mr. Knoll will deliver a corporate update on Wednesday, September 30 at 10:40 a.m. MDT on Bartolin Hall Stage 1.

About Generation Mining Limited

Generation Mining’s (TSX: GENM) focus is the development of the Marathon Project, a large undeveloped copper-palladium deposit in Northwestern Ontario. The Feasibility Study (the “Technical Report”) with an effective date of November 1, 2024, estimated a Net Present Value (using a 6% discount rate) of $1.07 billion, an Internal Rate of Return of 28%, and a 1.9-year payback based on the 3-yr trailing average metal prices at the effective date of the Technical Report. Over the anticipated 13-year mine life, the Marathon Project is expected to produce approximately: 2,161,000 ounces of palladium, 532 million lbs. of copper, 488,000 ounces of platinum, 160,000 ounces of gold and 3,051,000 ounces of silver in payable metals. These production estimates and economic projections are forward-looking statements subject to risks and uncertainties. For more information, please review the Technical Report filed under the Company’s profile at www.sedarplus.ca and available on the Company’s website at https://genmining.com/projects/feasibility-study/.

For further information, please contact:

Jamie Levy

President and Chief Executive Officer
(416) 640-2934 (O)
(416) 567-2440 (M)
[email protected]  or [email protected]

Forward-Looking Information

This news release contains certain forward-looking information and forward-looking statements, as defined in applicable securities laws (collectively referred to herein as “forward-looking statements”). Forward-looking statements reflect current expectations or beliefs regarding future events or the Company’s future performance. All statements other than statements of historical fact are forward-looking statements. Often, but not always, forward-looking statements can be identified by the use of words such as “plans”, “expects”, “is expected”, “budget”, “scheduled”, “estimates”, “continues”, “forecasts”, “projects”, “predicts”, “intends”, “anticipates”, “targets” or “believes”, or variations of, or the negatives of, such words and phrases or state that certain actions, events or results “may”, “could”, “would”, “should”, “might” or “will” be taken, occur or be achieved, including statements relating to the proposed use of proceeds of the Public Offering and Concurrent Private Placement, receipt of all final regulatory approvals in connection with the Public Offering and the Concurrent Private Placement; the timing of the commencement of construction and the anticipated advancement of the Company’s Marathon Project.

Although the Company believes that the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in the statements. There are certain factors that could cause actual results to differ materially from those in the forward-looking information. These include timing for a construction decision; the progress of development at the Marathon Project, including progress of project expenditures and contracting processes, the Company’s plans and expectations with respect to liquidity management, continued availability of capital and financing, the future prices of palladium, copper and other commodities, permitting timelines, exchange rates and currency fluctuations, increases in costs, requirements for additional capital, and the Company’s decisions with respect to capital allocation, inflation, global supply chain disruptions, global conflicts, the project schedule for the Marathon Project, key inputs, staffing and contractors,  continued availability of capital and financing, uncertainties involved in interpreting geological data and the accuracy of mineral reserve and resource estimates, environmental compliance and changes in environmental legislation and regulation, the Company’s relationships with Indigenous communities, results from planned exploration and drilling activities, local access conditions for drilling, and general economic, market or business conditions, as well as those risk factors set out in the Company’s annual information form for the year ended December 31, 2025, and in the continuous disclosure documents filed by the Company on SEDAR+ at www.sedarplus.ca .

Readers are cautioned that the foregoing list of factors is not exhaustive of the factors that may affect forward-looking statements. Accordingly, readers should not place undue reliance on forward-looking statements. The forward-looking statements in this news release speak only as of the date of this news release or as of the date or dates specified in such statements. The Company disclaims any intention or obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise, other than as required by law.  For more information on the Company, investors are encouraged to review the Company’s public filings on SEDAR+ at www.sedarplus.ca .