Increasing our underlying per-share value by acquiring a diverse portfolio of royalties and streams

Vancouver, British Columbia: Metalla Royalty & Streaming Ltd. (“Metalla” or the “Company”) (NYSE American: MTA) (TSXV: MTA) is pleased to announce it has completed the acquisition of the remaining 0.15% interest in a net smelter return (“NSR”) royalty on a portion of the Côté Gold Mine (“Côté”) and all of the Gosselin project (“Gosselin”), owned by IAMGOLD Corporation (“IAMGOLD”)(NYSE: IAG; TSX: IMG) and Sumitomo Metal Mining Co., Ltd. (the “Côté / Gosselin Royalty”), and now holds a consolidated 1.5% of the Côté / Gosselin Royalty.

Vancouver, Canada: Metalla Royalty & Streaming Ltd. (“Metalla” or the “Company”) (TSXV: MTA) (NYSE American: MTA) announces its operating and financial results for the three and six months ended June 30, 2025. For complete details of the condensed interim consolidated financial statements and accompanying management's discussion and analysis (“MD&A”) for the three and six months ended June 30, 2025, please see the Company's filings on SEDAR+ (www.sedarplus.ca) or EDGAR (www.sec.gov). Shareholders are encouraged to visit the Company's website at www.metallaroyalty.com.

Vancouver, British Columbia: Metalla Royalty & Streaming Ltd. (“Metalla” or the “Company”) (NYSE American: MTA) (TSXV: MTA) is pleased to announce the release of its 2025 Asset Handbook outlining the Company’s high-quality gold, silver, and copper production, development and exploration assets, as well as Mineral Reserve and Mineral Resource data. Included in the Asset Handbook is the annual letter to shareholders. The Asset Handbook is available on the Company’s website at www.metallaroyalty.com.