Vancouver – September 15, 2026 -- First Mining Gold Corp. (TSX: FF; OTCQX: FFMGF; FRANKFURT: FMG) has reported new high-grade gold intercepts from its 2026 drilling program at the Miroir target within the Duparquet Gold Project in Quebec's Abitibi region, extending the known mineralized strike length to approximately 220 metres from 150 metres in 2025.