- Metalla Royalty & Streaming Ltd. (MTA) increased its Côté / Gosselin royalty interest to a consolidated **1.5%** by acquiring an additional **0.15%** for **C$3.4 million** on **October 31, 2025**.  **[1722606_0001062993-25-016420_exhibit99-1.htm:0]**  This project, which reached commercial production in **August 2024**, is expected to integrate the Gosselin deposit into its mine plan, with an updated Mineral Reserve and Resource estimate anticipated by **year-end 2026**.  **[1722606_0001062993-25-016420_exhibit99-1.htm:0]** 
- As of **December 31, 2024**, the Côté / Gosselin project holds significant gold reserves and resources, including **7,341 thousand ounces of gold** in Proven & Probable reserves from Côté, and **11,785 thousand ounces of gold** (Côté) and **4,420 thousand ounces of gold** (Gosselin) in Measured & Indicated resources.  **[1722606_0001062993-25-016420_exhibit99-1.htm:0]** 
- The company provided several portfolio updates: **La Guitarra** plans to expand processing capacity to **~1,500 tpd by Q3 2027** and commenced a **$3.5 million** exploration program.  **[1722606_0001062993-25-016420_exhibit99-1.htm:1]**  **La Parrilla** began rehabilitation activities on **October 21, 2025**, targeting a potential restart by **Q2 2026**.  **[1722606_0001062993-25-016420_exhibit99-1.htm:1]** 
- **Wharf** mine's **2025** production guidance was increased to **93-103 Koz gold**.  **[1722606_0001062993-25-016420_exhibit99-1.htm:2]**

Metalla Royalty & Streaming Increases Côté & Gosselin Royalty to 1.5% and Provides Portfolio Updates

- Metalla Royalty & Streaming Ltd. has acquired an additional **0.15% interest** in the Côté / Gosselin Royalty for **C$3.4 million in cash**, increasing its total royalty percentage to **1.5%**.  **[1722606_20251103VA13400:0]** 
- The Côté mine reached commercial production in **August 2024** with a processing capacity of **36,000 tonnes per day**.  **[1722606_20251103VA13400:0]**  IAMGOLD plans to integrate the Gosselin deposit into its mine plan, with an updated technical report anticipated by **year-end 2026**.  **[1722606_20251103VA13400:0]** 
- Metalla also provided portfolio updates, including an increased **2025 production guidance for the Wharf mine to 93–103 Koz gold**, planned processing capacity expansion at La Guitarra to ~1,500 tpd by Q3 2027, and a targeted Q2 2026 restart for La Parrilla.  **[1722606_20251103VA13400:0]** **[1722606_20251103VA13400:1]** **[1722606_20251103VA13400:2]**

Metalla Royalty & Streaming (MTA)