Tether Global Investments Fund, S.I.C.A.F., S.A. → RUM Group Inc. RUMBW

See the Schedule 13D, as amended, for historical information. Item 4 is amended and supplemented as follows: Pursuant to the terms of the Support Agreement, up to one year following the Support Closing TINV has agreed to sell, and the Issuer has agreed to purchase, each ND Share owned by TINV at the end of each calendar month in exchange for 2.0281 new shares of Class A Common Stock or Pre-Funded Warrants to the extent that the shares of Class A Common Stock to be owned by TINV and its affiliates following such purchase would cause TINV to exceed the Voting Limitation. TINV acquired beneficial ownership of 8,256,155 ND Shares on September 2, 2026. Therefore, upon acquisition of the ND Shares, the Issuer is obligated to issue to TINV Pre-Funded Warrants exercisable for an aggregate of 16,744,307 shares of Class A Common Stock (the "Top-Up Exchange").