First Mining Gold Reports New High-Grade Gold Drill Intercepts from North Zone, South Zone, and Minuit Targets at its Duparquet Project

About this update from First Mining Gold Corp.

North Zone Target highlights include DUP25-056 returning 15.14 g/t over 5.0 m, including 73.40 g/t over 1.0m, and 1.88 g/t Au over 16.9 m, including 5.85 g/t Au over 2.70 m, and DUP25-063 returning 2.97 g/t Au over 11.5 m, including 7.04 g/t Au over 1.7 m DUP25-061 returns 6.18 g/t Au over 2.95m in South Zone Target Minuit Target returns 9.87 g/t Au over 2.75 m, including 17.90 g/t Au over 0.7 m in DUP25-070, and DUP25-076 returns 5.53 g/t Au over 5.3 m, including 19.6 g/t Au over 0.5 m VANCOUVER, BC, May 19, 2026 /CNW/ - First Mining Gold Corp. ("First Mining" or the "Company") (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) is pleased to announce final results from the 2025 exploration drilling program at its Duparquet Gold Project ("Duparquet Project" or the "Project") located in the Abitibi region of Quebec, Canada. The results reported herein are from the newly discovered Minuit zone, as well as the North Zone and South Zone targets located along the margins of the Beattie syenite intrusion (Figure 1). Collectively, the recent drilling continues to demonstrate higher grade gold mineralization across multiple targets at the Duparquet Project both along strike and at depth, supported by a geoscience-driven exploration strategy focused on delineating mineralization along the main mineral resource contact zones. Assay results from the North Zone drilling are highlighted by drill hole DUP25-056 which returned 15.14 g/t Au over 5.0 m, including 73.40 g/t Au over 1.0 m from 64.0 m to 69.0 m, within the existing resource, and 1.88 g/t Au over 16.9 m from 738.2 m to 755.10 m, as well as drill hole DUP25-063 which returned 1.51 g/t Au over 29.0 m from 279.0 m to 308.0 m and 2.97 g/t Au over 11.5 m from 639.5 m to 651.0 m. Assay highlights from the South Zone target include drill hole DUP25-061 returning 6.18 g/t Au over 2.95 m from 649.85 m to 652.8 m. Drill results from the Minuit Zone are highlighted by drill hole DUP25-070 which returned 9.87 g/t Au over 2.75 m from 513.7 m to 516.45 m, as well as drill hole DUP25-076 which returned 5.53 g/t Au over 5.3 m from 632.7 m to 638.0 m, including 19.6 g/t Au over 0.5 m from 632.7 m to 637.5 m. "The results from our 2025 drilling program at the Duparquet Project continue to refine and strengthen our understanding of the mineralized system across the North Zone, South Zone and newly identified Minuit Zone targets," s...

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