SCHEDULE 13G 0001304857 XXXXXXXX LIVE Class A Ordinary Shares 02/25/2026 0002097376 MOZAYYX Acquisition Corp. G63113107 111 Congress Avenue, Suite 1200 Austin TX 78701 Rule 13d-1(c) MMCAP International Inc. SPC E9 0 1750000 0 1750000 1750000 5.4 CO MM Asset Management Inc. A6 0 1750000 0 1750000 1750000 5.4 CO MOZAYYX Acquisition Corp. 111 Congress Ave., Suite 1200, Austin, TX 78701 i) MMCAP International Inc. SPC ii) MM Asset Management Inc. i) c/o Mourant Governance Services (Cayman) Limited, 94 Solaris Avenue, Camana Bay, P. O. Box 1348, Grand Cayman KY1-1108, Cayman Islands ii) 161 Bay Street, TD Canada Trust Tower, Suite 2240, Toronto, Ontario M5J 2S1 Canada i) Cayman Islands ii) Ontario, Canada Y 1,750,000 5.4% 0 1,750,000 0 1,750,000 Y Y Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Exhibit 99.1 Joint Filing Agreement MMCAP International Inc. SPC Ulla Vestergaard 02/27/2026 MM Asset Management Inc. Hillel Meltz 02/27/2026