144 0001983401 XXXXXXXX LIVE 0001709505 BEST Inc. 001-38198 2/F, BLOCK A, HUAXING MODERN INDUSTRY PARK, NO.18 TANGMIAO ROAD, XIHU DISTRICT HANGZHOU, ZHEJIANG PROVINCE F4 310013 86 571-88995656 Fan Gloria Chien-Yi Officer ADR (Common) The Core SecuritiesCompany Limited

20/F, 4-4A Des VoeuxRoad Central, Central Hong Kong K3 K3999077

22730 64553.20 19880000 09/05/2023 NYSE ADR 03/01/2023 Vesting of Restricted Shares Unit BEST Inc. N 2699 03/01/2023 RSU Vest ADR 11/30/2022 Vesting of Restricted Shares Unit BEST Inc. N 7489 11/30/2022 RSU Vest ADR 03/01/2022 Vesting of Restricted Shares Unit BEST Inc. N 918 03/01/2022 RSU Vest ADR 11/30/2021 Vesting of Restricted Shares Unit BEST Inc. N 6265 11/30/2021 RSU Vest ADR 11/30/2020 Vesting of Restricted Shares Unit BEST Inc. N 5359 11/30/2020 RSU Vest Y 08/31/2023 /s/Fan Gloria Chien-Yi