Amendment No. 11 to Schedule 13D for Bitdeer Technologies Group

This filing is an amendment (Amendment No. 11) to the Schedule 13D originally filed on June 6, 2024, concerning the Class A ordinary shares of Bitdeer Technologies Group. The amendment is filed by Tether Global Investments Fund, S.I.C.A.F., S.A. (f/k/a Tether Holdings, S.A. de C.V.), Tether Investments, S.A. de C.V. (f/k/a Tether Investments Limited), and Giancarlo Devasini, collectively referred to as the "Reporting Persons". The Reporting Persons collectively beneficially own 38,356,531 Class A Shares, representing 20.1% of the outstanding shares as of December 31, 2025. The filing details transactions in the Class A Shares effected by Tether Investments, S.A. de C.V. during the past 60 days, primarily through open market purchases. It also includes information on executive officers and directors of the reporting entities and notes previous regulatory proceedings involving Tether entities.