X0206 3 2024-09-30 1 0001800392 MicroAlgo Inc. MLGO 0001851815 SBI Securities Co., Ltd. IZUMI GARDEN TOWER 1-6-1 ROPPONGI MINATO-KU TOKYO M0 1066019 JAPAN 0 0 0 1 See Remarks This statement is being filed by SBI Securities Co., Ltd. (the "Reporting Person").The Reporting Person disclaims beneficial ownership of the securities reported herein except to the extent of its pecuniary interest therein.On September30, 2024, the eporting Person experienced an increase in its beneficial ownership of MicroAlgo Inc.(the "Issuer") to above 10% of the outstanding common stock of the Issuer due to a securities borrow transaction. Masato Takamura 2024-10-03