Metalla Royalty & Streaming Ltd.

We have adopted a code of business conduct and ethics that applies to all of our directors, officers and employees. A copy of the code of business conduct and ethics is posted on our website athttps://metallaroyalty.com/corporate-responsibility/governance/**. The code was most recently amended on May 7, 2025 to clarify, among other things, that falsification of records, and destruction of records except in accordance with Company policy, are prohibited by the code. The Company did not grant any waiver from a provision of the code to any of its principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions, during the fiscal period ended December 31, 2025.