- Integra Resources Corp. announced results from its **2025 growth drilling program** at the Florida Canyon Mine, with **~13,000 meters** of the **16,000-meter** program completed as of October 9, 2025.  **[1722387_0001062993-25-015999_exhibit99-1.htm:0]** 
- Preliminary estimates for historical North and South Dumps indicate a combined potential volume of **~34 - 56 million tonnes** with a grade range of **~0.11 - 0.25 g/t oxide Au**, with **~70%** of South Dump drill intercepts exceeding the current mine cut-off grade of **0.11 g/t Au**  **[1722387_0001062993-25-015999_exhibit99-1.htm:0]** ,.  **[1722387_0001062993-25-015999_exhibit99-1.htm:2]** 
- The drilling program is expected to support a mineral resource and reserve update and a revised life-of-mine plan for Florida Canyon in the **first half of 2026**.  **[1722387_0001062993-25-015999_exhibit99-1.htm:1]** 
- **Eric Tremblay** resigned from Integra's Board of Directors, effective immediately.  **[1722387_0001062993-25-015999_exhibit99-1.htm:4]**

Integra Resources Corp. Announces Drilling Results and Board Change

- Integra Resources Corp. announced positive results from its **2025 growth drilling program** at the Florida Canyon Mine, with **~13,000 meters** completed out of **16,000 meters** as of October 9, 2025.  **[1722387_20251009TO94066:0]** 
- Preliminary estimates for the combined North and South Dumps indicate a potential volume of **~34 - 56 million tonnes** with a grade range of **~0.11 - 0.25 g/t oxide Au**, with **~70%** of South Dump intercepts exceeding the current mine cut-off grade of **0.11 g/t Au**.  **[1722387_20251009TO94066:0]** **[1722387_20251009TO94066:1]** **[1722387_20251009TO94066:2]** **[1722387_20251009TO94066:3]** 
- Drilling in Inter-Pit areas confirmed broad gold mineralization, including a top intercept of **0.81 g/t Au over 76.2 m** in the Radio Tower Extension.  **[1722387_20251009TO94066:0]** 
- The 2025 drill program is anticipated to support a mineral resource and reserve update and a revised life-of-mine plan in the **first half of 2026**.  **[1722387_20251009TO94066:1]** 
- **Eric Tremblay** has resigned from Integra's Board of Directors, effective immediately.  **[1722387_20251009TO94066:4]**

Integra Resources Announces Positive Drilling Results and Board Resignation

- **Integra Resources Corp.** reached a critical permitting milestone as the **United States Bureau of Land Management** accepted its updated Mine Plan of Operations for the **DeLamar Project** in Idaho, meeting all federal content requirements.  **[1722387_20251001LN88308:2]** 
- This acceptance initiates the **NEPA** permitting process, with the **BLM** expected to publish the Notice of Intent to begin formal work on the Environmental Impact Statement.  **[1722387_20251001LN88308:2]** 
- The company anticipates announcing a **Feasibility Study for DeLamar in the fourth quarter of 2025**.  **[1722387_20251001LN88308:2]**

Integra Resources (ITRG)