X0202 SCHEDULE 13G 0001021944 XXXXXXXX LIVE Class A ordinary shares, par value US$0.001 per share 05/29/2026 0001697818 Amber International Holding Limited 45113Y203 1 Wallich Street, #30-02 Guoco Tower Singapore U0 078881 Rule 13d-1(c) Temasek Holdings (Private) Limited U0 0 30868810 0 30868810 30868810 N 7.1 HC Tembusu Capital Pte. Ltd. U0 0 24695076 0 24695076 24695076 N 5.7 HC Thomson Capital Pte. Ltd. U0 0 24695076 0 24695076 24695076 N 5.7 HC Anderson Investments Pte. Ltd. U0 0 24695076 0 24695076 24695076 N 5.7 CO Amber International Holding Limited 1 Wallich Street, #30-02 Guoco Tower, Singapore 078881 This Schedule 13G is being filed jointly by: Temasek Holdings (Private) Limited ("Temasek"); Tembusu Capital Pte. Ltd. ("Tembusu"); Thomson Capital Pte. Ltd. ("Thomson"); and Anderson Investments Pte. Ltd. ("Anderson", and, together with Temasek, Tembusu and Thomson, the "Reporting Persons"). The Reporting Persons entered into a joint filing agreement, dated the date hereof, by and among Temasek, Tembusu, Thomson and Anderson. Each of the Reporting Persons: 60B Orchard Road #06-18 The Atrium@Orchard Singapore 238891 Each of the Reporting Persons: Singapore Y As of the date hereof, Anderson beneficially owns 24,695,076 Class A ordinary shares, par value US$0.001 per share, of the Issuer ("Class A ordinary shares"), consisting of (i) 6,547,854 Class A ordinary shares directly held by Anderson as of the date hereof and (ii) 18,147,222 Class A ordinary shares that Anderson will receive within 60 days of the date hereof. Anderson is a wholly-owned subsidiary of Thomson, which in turn is a wholly-owned subsidiary of Tembusu, which in turn is a wholly-owned subsidiary of Temasek. Temasek, Tembusu and Thomson, through the ownership described above, may be deemed to beneficially own the Class A ordinary shares beneficially owned by Anderson. Temasek's beneficial ownership also includes 6,173,734 Class A ordinary shares directly held by True Light Investments P Pte. Ltd. ("True Light") as of the date hereof, consisting of (i) 1,636,964 Class A ordinary shares directly held by True Light as of the date hereof and (ii) 4,536,770 Class A ordinary shares that True Light will receive within 60 days of the date hereof. True Light is a private limited company established in Singapore. True Light is indirectly wholly held by True Light Capital GP Pte. Ltd. ("True Light GP"), in its capacity as general partner, for and on behalf of a fund managed by True Light Capital Pte. Ltd. ("True Light Capital"). Both True Light GP and True Light Capital are independent, indirectly wholly-owned subsidiaries of Temasek. Temasek may be deemed to beneficially own the Class A ordinary shares beneficially owned by True Light. The Class A ordinary shares are not for trading. There is no CUSIP number assigned to the Class A ordinary shares. The CUSIP number, 45113Y203, is assigned to the American depositary shares of the Issuer, which are traded on Nasdaq Global Market under the symbol "AMBR." Each American depositary share of the Issuer represents five Class A ordinary shares. Tembusu, Thomson and Anderson: 5.7% Temasek: 7.1% The percentage above is based on 435,143,020 Class A ordinary shares of the Issuer outstanding as of March 31, 2026, as disclosed in the annual report on Form 20-F for the year ended December 31, 2025 filed by the Issuer with the U.S. Securities and Exchange Commission on May 13, 2026. The information required by this Item 4(c)(i) is set forth in Row 5 of the cover page for each Reporting Person and is incorporated herein by reference. The information required by this Item 4(c)(ii) is set forth in Row 6 of the cover page for each Reporting Person and is incorporated herein by reference. The information required by this Item 4(c)(iii) is set forth in Row 7 of the cover page for each Reporting Person and is incorporated herein by reference. The information required by this Item 4(c)(iv) is set forth in Row 8 of the cover page for each Reporting Person and is incorporated herein by reference. 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, dated as of June 5, 2026, by and among Temasek Holdings (Private) Limited, Tembusu Capital Pte. Ltd., Thomson Capital Pte. Ltd. and Anderson Investments Pte. Ltd. Temasek Holdings (Private) Limited /s/ Jason Norman Lee 06/05/2026 Tembusu Capital Pte. Ltd. /s/ Gregory Tan 06/05/2026 Thomson Capital Pte. Ltd. /s/ Lim Siew Lee Sherlyn 06/05/2026 Anderson Investments Pte. Ltd. /s/ Tan Yee Pin, Stanley 06/05/2026