- First Mining Gold Corp. announced additional drilling results from its 2025 program at the Duparquet Gold Project, highlighting significant gold intercepts at the Miroir target.  **[1641229_0001279569-25-001042_ex991.htm:0]** 
- Drill hole DUP25-064 at the Miroir target returned **3.23 g/t Au over 25.9 m**, including **11.20 g/t Au over 2.0 m**, and **10.16 g/t Au over 1.4 m**.  **[1641229_0001279569-25-001042_ex991.htm:0]** 
- These results extend the Miroir target mineralization to a vertical depth of **100 m** below surface and expand its interpreted geophysical fold target to a **140 m strike length**.  **[1641229_0001279569-25-001042_ex991.htm:0]** **[1641229_0001279569-25-001042_ex991.htm:1]** 
- The company has completed approximately **16,000 m of drilling** in 2025 at the Duparquet Project, with **4,450 m** across **20 holes** specifically at the Miroir target.  **[1641229_0001279569-25-001042_ex991.htm:0]**

First Mining Gold Corp. Announces Significant Drill Results at Duparquet Gold Project

- **First Mining Gold Corp.** and the **City of Duparquet** signed a **Memorandum of Understanding (MOU)** on **September 18, 2025**, to formalize a collaborative relationship for the development of the **Duparquet Gold Project** and address community development needs.  **[1641229_0001279569-25-001019_ex991.htm:0]** 
- Key measures in the MOU include the transfer of **over 100 acres of land** from First Mining to the City for municipal development, the transfer of residential lots held under historical emphyteutic leases, and plans for residential property relocation and golf course reconfiguration.  **[1641229_0001279569-25-001019_ex991.htm:0]** 
- The Duparquet Gold Project currently hosts an NI 43-101 compliant gold resource of **3.44 million ounces** in the Measured & Indicated category, grading **1.55 g/t Au**, and an additional **2.64 million ounces** in the Inferred category, grading **1.62 g/t Au**.  **[1641229_0001279569-25-001019_ex991.htm:0]**

First Mining Gold (FFMGF)