Fortuna Mining Advances Environmental Initiatives for Diamba Sud Project

Fortuna Mining Takes Significant Steps in Diamba Sud Gold Project

VANCOUVER, British Columbia —Fortuna Mining Corp. (NYSE: FSM | TSX: FVI) has announced the successful filing of an Environmental and Social Impact Assessment (ESIA) for its Diamba Sud Gold Project. This crucial step has been submitted to the Directorate for Environmental Regulation and Control in Senegal, a move that marks a significant milestone on the path to project development. Fortuna is dedicated to bringing the Diamba Sud project closer to a construction decision, aiming for the first half of 2026.

Commitment to Environmental and Social Standards

Jorge A. Ganoza, President and CEO of the company, emphasized that the ESIA filing is a fundamental advancement for the project's progress. The document reflects Fortuna's commitment to upholding environmental and social standards while collaborating with government entities, local communities, and stakeholders in Senegal. Ganoza stated, "We are working diligently towards completing the preliminary economic assessment of the project by the fourth quarter and transitioning to a definitive feasibility study in 2026."

Key Project Highlights

The recently submitted ESIA showcases compliance with national legislation while aligning with international standards. It outlines the project's scope and benefits, providing thorough environmental and social baseline studies. Other notable project highlights include:

• Submission of the ESIA in compliance with Senegalese legislation.
• Comprehensive assessment covering institutional frameworks and public consultations.
• Expected completion of the Preliminary Economic Assessment by the end of 2025.
• Over 52,110 meters of drilling accomplished this year resulting in notable mineral resource expansions.
• Plans for further drilling to assess open mineralization extensions by year-end.

Understanding the Environmental and Social Impact Assessment

The ESIA serves as a vital component for acquiring the necessary environmental permits to develop the Diamba Sud Gold Project. It addresses essential environmental and social impacts anticipated throughout the project's development. Key components include:

• Ensuring complete adherence to applicable national regulations.
• Continual engagement with local communities to integrate their feedback into the project framework.
• Development of environmental and social management plans to mitigate anticipated impacts and amplify local benefits.

Advancement of the Preliminary Economic Assessment

The ongoing work on the Preliminary Economic Assessment for Diamba Sud aims to unveil insights into the project's economic viability and possible development options. This assessment includes crucial engineering evaluations and metallurgical test work, with results expected by early in the fourth quarter of 2025. Following this, the company forecasts initiating a Definitive Feasibility Study in the first half of 2026, which will incorporate findings from the ESIA.

Updates on Drilling Initiatives

Fortuna has made significant progress with its 2025 drilling program, achieving a total of 52,110 meters drilled so far. Current exploration efforts are directed toward expanding resources, infill drilling, and exploring new targets identified through recent geochemical surveys. A promising development includes the discovery of a maiden Inferred Mineral Resource at the Southern Arc, with an estimated gold content of approximately 194,000 ounces. This drilling program reinforces the company's commitment to advancing its exploration initiatives in the Diamba Sud region and the adjacent Bondala property.

Meet the Qualified Person

Eric Chapman, Senior Vice President of Technical Services, oversees the scientific and technical integrity behind this announcement. As a registered Professional Geoscientist, he has verified all underlying data pertinent to the project’s disclosures.

About Fortuna Mining Corp.

Fortuna Mining Corp. operates as a Canadian precious metals mining firm, specializing in sustainable mining practices across projects in diverse locations, including Argentina, Côte d'Ivoire, Mexico, and Peru. With an emphasis on sustainability, Fortuna is dedicated to producing gold and silver while nurturing long-term value through responsible mining efforts. To learn more about Fortuna Mining, explore their website.

Frequently Asked Questions

1. What is the significance of the ESIA submission?

The ESIA is essential for obtaining necessary environmental permits, playing a crucial role in the overall permitting process for project development.

2. Who oversees the mineral resource estimates?

Eric Chapman, Senior Vice President of Technical Services, is responsible for reviewing and verifying the mineral resource estimates provided.

3. When is the completion of the Preliminary Economic Assessment expected?

The completion is anticipated in the fourth quarter of 2025, followed by a Definitive Feasibility Study in early 2026.

4. How much drilling has been accomplished so far in 2025?

As of now, 52,110 meters of drilling have been completed, focusing on resource expansion and new targets.

5. What are Fortuna's commitments towards sustainability?

Fortuna Mining prioritizes high environmental and social standards in its operations, ensuring positive impacts on local communities and environments.

About The Author

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