First Mining reports 5.26 g/t gold over 19.55 m at Duparquet Project Miroir target

• First Mining reported initial 2026 drill results from the Miroir target at its Duparquet gold project in Quebec.
• Hole DUP26-093 returned 5.26 g/t gold over 19.55 meters, including 7.58 g/t over 12.95 meters.
• Hole DUP26-096 returned 3.43 g/t gold over 28 meters, including 10.36 g/t over 7.2 meters.
• The 2026 program targets 15,000 meters of drilling; results to date extend Miroir strike length to about 220 meters.
• A Duparquet resource model update has started to incorporate 48,000 meters drilled since the September 12, 2022 estimate.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. First Mining Gold Corp. published the original content used to generate this news brief via CNW (Ref. ID: 202609100700CANADANWCANADAPR_C1218) on September 10, 2026, and is solely responsible for the information contained therein.