FORTUNA MINING CORP.

Fortuna Mining Corp. held its Annual General Meeting on June 25, 2026, where shareholders approved all proposed matters. This included fixing the number of directors at eight and electing all eight director nominees. Shareholders also re-appointed KPMG LLP as auditors and approved the unallocated entitlements under the Company's Share Unit Plan. A total of 202,415,038 common shares, representing 66.81% of outstanding shares, were voted.

Fortuna Mining Corp. announced the voting results from its 2026 Annual General Meeting of shareholders. A significant 66.81% of the company's issued and outstanding shares were represented at the meeting. Shareholders approved all proposed matters, including the appointment of auditors, the election of all director nominees, and the approval of unallocated entitlements under the Share Unit Plan. Detailed voting results for directors showed strong shareholder support.

Fortuna Mining Corp. announced it has received the environmental decree from Senegal's Ministry of Environment and Ecological Transition for its Diamba Sud Gold Mine. This approval is a crucial step towards obtaining the mining permit, with the application already submitted. The company plans to continue early construction works and aims for a final construction decision by mid-2026, building on the project's robust economics outlined in a previous Preliminary Economic Assessment.

Fortuna Mining Corp. announced it has received the environmental decree from Senegal's Ministry of Environment, approving the Environmental and Social Impact Assessment for its Diamba Sud Gold Mine. This authorization is a crucial step towards obtaining the mining permit, with the application submitted in February 2026. President and CEO Jorge A. Ganoza highlighted the timely approval as a testament to the project's quality and Senegal's commitment to mining development. The company plans to continue early construction works and aims for a final construction decision by mid-2026, supported by a US$100 million project budget for the year and robust PEA economics.

Fortuna Mining Corp. announced the publication of its eighth annual Sustainability Report, detailing 2025 progress in governance, corporate strategy, risk management, and operational performance. The report highlights strengthened systems and operational discipline, alongside a continued focus on sustainability priorities. While the company made meaningful progress, it also faced a tragic reminder of its commitment to Zero Harm, with one fatal incident involving a subcontractor.

Fortuna Mining Corp. published its eighth annual Sustainability Report, detailing 2025 progress in governance, corporate strategy, risk management, and operational performance. The report highlights strengthened systems, operational discipline, and a continued focus on sustainability priorities, despite a tragic incident. Key initiatives included reinforcing health and safety, advancing renewable energy projects, progressing tailings management, and integrating the Diamba Sud Gold Project into its sustainability framework. The company also outlined 2026 priorities focused on operational discipline, risk management, and long-term resilience.

Fortuna Mining Corp. announced its Annual General Meeting (AGM) will be held on Thursday, June 25, 2026, at 10:00 a.m. Pacific time in Vancouver. Shareholders will vote on receiving 2025 financial statements, appointing auditors, determining the number of directors, electing directors, and approving the Company's Share Unit Plan unallocated entitlements. The company is using notice-and-access provisions for proxy materials.

Fortuna Mining Corp. reported strong financial results for Q1 2026, with sales significantly increasing to $342.5 million and net income from continuing operations rising to $119.9 million. Basic earnings per share from continuing operations also saw a substantial increase to $0.36. Additionally, the company announced an earn-in agreement to establish a presence in the Guyana Shield, potentially acquiring up to a 70% interest in the Quartzstone Project.

Fortuna Mining Corp. reported record financial and operating results for the first quarter of 2026, achieving a record free cash flow of $174.0 million and adjusted attributable net income of $111.0 million. The company produced 72,872 gold equivalent ounces, remaining on track for its 2026 production guidance. Strategic developments include a 15% year-over-year increase in mineral reserves and anticipated investment decisions for the Diamba Sud project and Séguéla plant expansion by mid-year.

Fortuna Mining Corp. announced updated Mineral Reserve and Resource estimates, showing a 15% year-over-year increase in consolidated Proven and Probable Mineral Reserves to 3.0 million gold equivalent ounces (GEOs). This growth was driven by successful drilling programs, particularly at Séguéla, which saw a 34% increase in underground Mineral Reserves and a 55% increase in Inferred Mineral Resources for the Sunbird deposit. The company also reported a 56% increase in consolidated Measured and Indicated Resources, with Diamba Sud's resources rising by 165%.