（Stock Code 股份代號：6090） (Incorporated in the Cayman Islands with limited liability) （於開曼群島註冊成立的有限公司） Should you have any queries relating to this letter, please contact the Share Registrar at (852) 2862 8688 during business hours from 9:00 a.m. to 6:00 p.m. (Hong Kong time), Mondays to Fridays, excluding Hong Kong public holidays. Yours faithfully, By order of the Board BUTONG GROUP 不同集團 Mr. Wang Wei Chairman of the Board 各位非登記股東： 以電子方式發布公司通訊之安排 30 October 2025 Dear non-registered shareholder(s), Arrangement ...