X0508 4 2024-07-31 0002006986 Adagio Medical Holdings, Inc. ADGM 0001207793 BERGHEIM OLAV C/O ADAGIO MEDICAL HOLDINGS, INC. 26051 MERIT CIRCLE, SUITE 102 LAGUNA HILLS CA 92653 true true CEO false Common Stock 2024-07-31 4 J 0 212053 A 212053 I By Fjordinvest LLC Common Stock 2024-07-31 4 J 0 22081 A 22081 I By Micro NV LLC Pursuant to the business combination (the "Business Combination") contemplated by the Business Combination Agreement, dated February 13, 2024, as amended, by and among Adagio Medical Holdings, Inc. (formerly known as Aja Holdco Inc., "New Adagio" and following the completion of the Business Combination, the "Issuer"), ARYA Sciences Acquisition Corp IV, Adagio Medical, Inc. ("Adagio") and certain other parties thereto, as described in the Registration Statement on Form S-4 (File No. 333-278811) filed with the U.S. Securities0 and Exchange Commission and declared effective on July 12, 2024, acquired by the reporting person in exchange for the shares of Adagio common stock held indirectly by the reporting person prior to the completion of the Business Combination. Shares held by Fjordinvest LLC. The reporting person is the President of Fjordinvest LLC and, as such, has voting and investment discretion over the shares held by Fjordinvest LLC. Shares held by Micro NV LLC. The reporting person is the President of Micro NV LLC and, as such, has voting and investment discretion over the shares held by Micro NV LLC. /s/ John Dahldorf, Attorney-in-Fact 2024-08-02