2026 INTERIM REPORT 中期報告 HUA HONG GRACE SEMICONDUCTOR LIMITED 華虹宏力半導體有限公司 (Incorporated in Hong Kong with limited liability) （於香港註冊成立之有限公司） (Stock Code: 01347) （股份代號：01347） DEFINITIONS In this interim report, unless the context otherwise requires, the following terms shall have the meanings set out below. “Board” the Board of Directors of the Company; “China” or “the PRC” the People’s Republic of China, but for the purpose of this interim report and for geographical reference only, except where the context otherwise requires, references in this interim report to “China” and the “PRC” do not include Taiwan, the Macau Special Administrative Region and Hong Kong; “Company” or “our Hua Hong Grace Semiconductor Limited, formerly known as Hua Hong Semiconductor Company” Limited, a company incorporated in Hong Kong with limited liability in January 2005, and completed its name change in May 2026; “Director(s)” the Director(s) of the Company; “Group” our Company and our subsidiaries; “HHGrace Shanghai” Shanghai Huahong Grace Semiconductor Manufacturing Corporation* (上海華虹宏力半 導體製造有限公司), a company incorporated in the PRC in January 2013 and a wholly- owned subsidiary of the Company; “Hong Kong Listing Rules” the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited, as amended or supplemented from time to time; “Hong Kong Model Code” the Model Code for Securities Transactions by Directors of Listed Issuers as set out in Appendix C3 to the Hong Kong Listing Rules; “Hong Kong SFO” the Securities and Futures Ordinance (Chapter 571 of the Laws of Hong Kong), as amended or supplemented from time to time; “Hong Kong Stock The Stock Exchange of Hong Kong Limited; Exchange” “Hua Hong Wuxi” Hua Hong Semiconductor (Wuxi) Limited (華虹半導體(無錫)有限公司), a company incorporated in the PRC in October 2017 and held as to 51% by the Group; “Huali Micro” Shanghai Huali Microelectronics Corporation (上海華力微電子有限公司), a company incorporated in the PRC in January 2010 and completed the company division in August 2025, a connected person of the Company; “RMB Share(s)” or the ordinary share(s) of the Company which are listed on the STAR Market and traded “A Share(s)” in RMB; “SSE” the Shanghai Stock Exchange; “SSE STAR Market” the Science and Technology Innovation Board of the Shanghai Stock Exchange. “Wuxi Phase II” Hua Hong Semiconductor Manufacturing (Wuxi) Co., Ltd.(華虹半導體製造(無錫)有限 公司), a company incorporated in the PRC in June 2022 and held as to 51% by the Group; INTERIM REPORT 2026 1 CORPORATE INFORMATION Board of Directors Hong Kong Legal Advisor Executive Director Herbert Smith Freehills Kramer Peng Bai(Chairman and President) 23/F, Gloucester Tower 15 Queen’s Road Central Non-Executive Directors Hong Kong, PRC Jun Ye Guodong Sun Principal Banks Bo Chen Chengyan Xiong China Construction Bank Shanghai Branch