As filed with the U.S. Securities and Exchange Commission on December 29, 2025 Registration No. 333-[●] UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM F-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 RIVERSTONE LTD (Exact name of Registrant as specified in its charter) Not Applicable (Translation of Registrant's name into English) (State or Other Jurisdiction of Incorporation or Organization) (Primary Standard Industrial Classification Code Number) BVI 2300 Not Appli ...