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

Vancouver, British Columbia: Metalla Royalty & Streaming Ltd. (“Metalla”) (NYSE American: MTA) (TSXV: MTA) is pleased to report select portfolio updates: • Gosselin (1.35% NSR) – Drilling has successfully outlined extensions of the Gosselin Zone outside of the current resource pit shell, including mineralization at depth in between Côté and Gosselin deposits. • Endeavor (4.0% NSR) – Funding & offtake secured to fund Endeavor restart; recent drilling provides upside, reiterated guidance for H1-2025 production. • La Guitarra (2.0% NSR) – Mining ramp up rates continue to be met, with commercial production expected before year end. • Joaquin (2.0% NSR) – New operator outlines comprehensive exploration program to boost resource estimate and publish maiden JORC (2012) MRE.

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, 2024. For complete details of the condensed interim consolidated financial statements and accompanying management's discussion and analysis for the three and six months ended June 30, 2024, 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 (“Company”) (NYSE American: MTA) (TSXV: MTA) is pleased to announce the appointment of Jason Cho as President of the Company, effective immediately. Brett Heath, Chief Executive Officer of Metalla, stated, “The Board is pleased to have someone of Jason’s caliber joining the team. As a highly respected mining professional with 25 years of sector expertise, Mr. Cho adds meaningful capital markets, technical, finance, and strategic expertise. Throughout his extensive career, he has shown a commitment to shareholder value, and will be aligned through a significant personal equity investment into the Company. Jason’s strong industry relationships will be instrumental in continuing Metalla’s growth going forward. "