X0202 SCHEDULE 13G/A 1376474-25-000626 0001891626 XXXXXXXX LIVE 2 Class A ordinary shares, no par value 05/21/2026 0002051587 BEST SPAC I Acquisition Corp. G1069P103 701, 7/FLOOR, UNITED BUILDING 17-19 JUBILEE STREET HONG KONG K3 00000 Rule 13d-1(c) Feis Equities LLC IL 0 0 0 0 0 0 OO Type of Reporting Person: OO - Limited Liability Company Lawrence M. Feis X1 0 0 0 0 0 0 IN BEST SPAC I Acquisition Corp. 701, 7/FLOOR, UNITED BUILDING, 17-19 JUBILEE STREET, HONG KONG, Hong Kong (i) Feis Equities LLC (ii) Lawrence M. Feis The address of the business office of each of the Reporting Persons is: 1740 Waukegan Road Suite 206 Glenview, Illinois 60025 Citizenship is set forth in Row 4 of the cover page for each Reporting Person hereto and is incorporated hereto by reference for each Reporting Person. Y The percentage set forth in row 11 of the cover page for each Reporting Person is based on 6,024,500 Class A Ordinary Shares outstanding as of April 28, 2026, as reported by the Issuer in its 10-Q filing for the period ending March 31, 2026, filed with the Securities and Exchange Commission on April 28, 2026. 0 0 0 0 0 Y Y Y Y Y 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 A - Joint Filing Agreement Feis Equities LLC Lawrence M. Feis 05/21/2026 Lawrence M. Feis Lawrence M. Feis 05/21/2026