{"url_path":"/sec/mta/13dg/2026-05-12/000110465926058902","section_key":"body","section_title":"SCHEDULE 13D/A body","topic":"sec","document":{"doc_type":"SCHEDULE 13D/A","doc_date":"2026-05-12","source_url":"https://www.sec.gov/Archives/edgar/data/1722606/0001104659-26-058902-index.html","accession_number":"0001104659-26-058902","cik":"0001722606","ticker":"MTA","issuer_name":"Metalla Royalty & Streaming Ltd.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1722606/0001104659-26-058902-index.html","primary_entity_key":"0001722606","primary_entity_name":"Metalla Royalty & Streaming Ltd."},"word_count":222,"has_tables":true,"body_markdown":"EX-99.1\n4\ntm2614084d1_ex99-1.htm\nEXHIBIT 99.1\n\n**Exhibit 99.1**\n\n** **\n\n**Joint Filing Agreement**\n\nIn accordance with Rule 13d-1(k) promulgated\nunder the Securities Exchange Act of 1934, as amended, each of the persons named below agrees to the joint filing of this Schedule\n13D, including further amendments thereto, with respect to the common shares, without par value, of Metalla Royalty &\nStreaming Ltd. held by and further agrees that this Joint Filing Agreement be filed with the Securities and Exchange Commission as\nan exhibit to such filing; provided, however, that no person shall be responsible for the completeness or accuracy of the\ninformation concerning the other persons making the filing unless such person knows or has reason to believe such information is\ninaccurate (as provided in Rule 13d-1(k)(1)(ii)). This Joint Filing Agreement may be executed in one or more counterparts, all of\nwhich together shall constitute one and the same instrument.\n\nIN WITNESS WHEREOF, the persons named below have\nexecuted this Joint Filing Agreement as of the date set forth below.\n\nMay 11, 2026\n\n** **\n**TETHER GLOBAL INVESTMENTS FUND, S.I.C.A.F.,\nS.A.**\n\nBy:\n/s/\nOmar Rossi\n\nName:\nOmar Rossi\n\nTitle:\nSole Administrator\n\n**TETHER INTERNATIONAL, S.A. DE C.V.**\n\nBy:\n/s/ Giancarlo Devasini\n\nName:\nGiancarlo Devasini\n\nTitle:\nSole Administrator\n\n/s/\nGiancarlo Devasini\n\nGiancarlo Devasini, individually\n\n**TETHER INVESTMENTS, S.A. DE C.V.**\n\nBy:\n/s/ Giancarlo Devasini\n\nName:\nGiancarlo Devasini\n\nTitle:\nSole Administrator"}