脑洞科技(02203) - 致登记股东函件 – 通知信函及回条

（ Incorporated in the Cayman Islands with limited liability ） （於開曼群島註冊成立的有限公司） 脑洞科技有限公司 BRAINHOLE TECHNOLOGY LIMITED Dear Shareholder(s), 16 December 2025 • Circular dated 16 December 2025 regarding Major Transaction in relation to Further Acquisition of Listed Securities (If you have previously requested to receive Corporate Communication(s)(Note) in printed form, the printed copy (or copies) is/are enclosed.) If you have not provided us with a valid email address but now would like to receive an email not ...