Announcement on Amendment of Company's Business Scope and Articles of Association

Stock Code: 300726 Stock Abbreviation: Hongda Electronics Announcement No.: 2026-027 Zhuzhou Hongda Electronics Co., Ltd. Announcement on Amendment of Company's Business Scope and Articles of Association The Company and all members of the Board of Directors guarantee the truthfulness, accuracy, and completeness of the information disclosed, and are free from any false records, misleading statements, or material omissions. Zhuzhou Hongda Electronics Co., Ltd. (hereinafter referred to as the "Company") held the 15th meeting of the Fourth Board of Directors on June 2, 2026, and deliberated and approved the "Proposal on Amending the Company's Business Scope and Revising the Articles of Association". In accordance with the Company's business development needs and industrial and commercial processing requirements, the Company's business scope will be adjusted accordingly. Simultaneously, in accordance with the relevant provisions of the "Company Law of the People's Republic of China" and the "Guiding Opinions on the Articles of Association of Listed Companies", and in combination with the Company's actual situation, some clauses of the "Articles of Association" will be revised. This matter is subject to the approval of the Company's shareholders' meeting. The relevant situation is hereby announced as follows: I. Changes in Business Scope Previous Business Scope: General items: Manufacturing of electronic components; wholesale of electronic components; retail of electronic components; manufacturing of transformers, rectifiers, and inductors; sales of electronic products; production of magnetic materials; sales of magnetic materials; sales of special electronic materials; manufacturing of special electronic materials; research and development of special electronic materials; manufacturing of discrete semiconductor devices; sales of discrete semiconductor devices; integrated circuit design; integrated circuit manufacturing; sales of integrated circuits; manufacturing of integrated circuit chips and products; sales of integrated circuit chips and products; design and services for integrated circuit chips; manufacturing of computer software, hardware, and peripheral equipment; software development; wholesale of computer software, hardware, and auxiliary equipment; information consulting services (excluding licensed information consulting services); information technology consulting services; information system integration services; manufacturing of electronic measuring instruments; sales of electronic measuring instruments; manufacturing of electronic components and electromechanical component equipment; sales of electronic components and electromechanical component equipment; leasing services (excluding licensed leasing services); sales of power electronic components; manufacturing of power electronic components; manufacturing of optical communication equipment; manufacturing of optoelectronic devices; sales of optoelectronic devices; sales of optical communication equipment; manufacturing of optical fibers; sales of optical fibers; manufacturing of distribution switch control equipment; sales of distribution switch control equipment; inspection and testing servic