PROSPEROUS FUTURE HOLDINGS LIMITED 未來發展控股有限公司 (Incorporated in the Cayman Islands with limited liability) （於開曼群島註冊成立的有限公司） (Stock Code 股份代號: 1259) NOTIFICATION LETTER 通知信函 Dear Non-registered Shareholder(s)(Note 1) , 19 September 2025 The following document(s) of Prosperous Future Holdings Limited (the "Company") has/have been prepared in English and Chinese and is/are available on the websites of the Company at www.pfh.hk and The Stock Exchange of Hong Kong Limited at www.hkexnews.hk (collectively "Website ...