POLL RESULTS OF THE AGM AND PAYMENT OF FINAL DIVIDEND FOR 2023

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.上海复旦微电子集团股份有限公司 Shanghai Fudan Microelectronics Group Company Limited* (a joint stock limited company incorporated in the People’s Republic of China) (Stock Code: 1385) POLL RESULTS OF THE AGM AND PAYMENT OF FINAL DIVIDEND FOR 2023 POLL RESULTS OF THE AGM The Board is pleased to announce that all the resolutions as set out in the AGM Notice were duly passed by poll at the AGM held on 28 May 2024.PAYMENT OF FINAL DIVIDEND FOR 2023 The Board is pleased to announce that the resolution regarding the proposed final dividend of RMB1 per 10 shares (inclusive of tax) in respect of the year ended 31 December 2023 was duly passed.Reference is made to the announcement in relation to the circular (the “Circular”) and the notice (the “AGM Notice”) of the annual general meeting (the “AGM”) both dated 23 April 2024 of Shanghai Fudan Microelectronics Group Company Limited* (上海复旦微电子集团股份有限公司) (the “Company”). Unless otherwise defined terms used herein shall have the same meaning as defined in the AGM Notice and the Circular.POLL RESULTS OF THE AGM The Board is pleased to announce that all the resolutions as set out in the AGM Notice were duly passed by poll at the AGM held on 28 May 2024.As at the date of the AGM the Company has a total of 819060400 Shares of RMB0.10 each in issue which was the total number of Shares entitling the shareholders of the Company to attend and vote at the AGM. No Shareholders were restricted from voting on any of the proposed resolutions at the AGM.BDO Limited was appointed by the Company as scrutineer for vote-taking. Two shareholder representatives and one supervisor of the Company also participated in the vote-tabulation and acted as the scrutineer for vote-taking. Two lawyers from Shanghai Allbright Law Offices the PRC legal advisor of the Company witnessed the convening of the meeting the procedures for holding the meeting and the voting results. 1The followings are the poll results of the resolutions passed at the AGM: Number of votes Ordinary resolutions (approximately %) Total votes For Against Abstained 1. To consider and approve the Work Report 294160142 2517490 0 296677632 of the Board of 2023 (99.15%) (0.85%) (0%) 2. To consider and approve the Work Report 293637596 3040036 0 296677632 of the Supervisory Committee of 2023 (98.98%) (1.02%) (0%) 3. To consider and approve the Final Account 294160142 2517490 0 296677632 Report of 2023 (99.15%) (0.85%) (0%) 4. To consider and approve the Annual Report 294160142 2517490 0 296677632 of 2023 (99.15%) (0.85%) (0%) 5. To consider and approve the Profit 294152141 2517491 0 296669632 Distribution Plan of 2023 (99.15%) (0.85%) (0%) 6. To consider and approve the proposal of 294149142 2520490 0 296669632 utilization of the surplus funds raised from (99.15%) (0.85%) (0%) the A Share Offering for permanent replenishment of working capital 7. To consider and approve the 294152141 2517491 0 296669632 Re-appointment of Overseas and Domestic (99.15%) (0.85%) (0%) Auditor and internal control Auditor of 2024 8. To consider and approve the Remuneration 294152141 2517491 0 296669632 of Directors and Supervisors of 2024 (99.15%) (0.85%) (0%) 9. To consider and approve the Purchase of 294026141 2608491 0 296634632 Liability Insurance for Directors (99.12%) (0.88%) (0%) Supervisors and Senior Management 10. To consider and approve the proposed 280480321 16162311 0 296642632 amendments to Rules for Procedures of (94.55%) (5.45%) (0%) Independent Directors Special resolutions 11. To consider and approve the proposed 293602595 3040037 0 296642632 amendments to Articles of Association (98.98%) (1.02%) (0%) 12. To consider and approve the General 288225326 8417306 0 296642632 Mandate to issue additional A Shares and/or (97.16%) (2.84%) (0%) H Shares * The full text of the Resolution is set out in the AGM Notice and Circular.As more than 50% of the votes were casted in favour of the ordinary resolutions from No. 1 to No. 10 and more than two thirds of the votes were casted in favour of the special resolutions from No. 11 to No. 12 the above resolutions of the AGM were duly passed as ordinary resolutions and special resolution of the Company respectively.Directors (namely Mr. Jiang Guoxing Mr. Shi Lei Mr. Yu Jun Mr. Sun Zheng Mr. Cao Zhongyong Mr. Cai Minyong Mr. Wang Pin and Ms. Zou Fuwen) have participated in the AGM in person or by way of electronic means. 2PAYMENT OF FINAL DIVIDEND FOR 2023 The Board is pleased to announce that the resolution regarding the proposed final dividend of RMB1 per 10 shares (inclusive of tax) in respect of the year ended 31 December 2023 was duly passed. The Company will publish further announcement on the arrangements for the distribution of the final dividend and other relevant matters.By Order of the Board Shanghai Fudan Microelectronics Group Company Limited* Jiang Guoxing Chairman Shanghai the PRC 29 May 2024 As at the date of this announcement the Company’s executive Directors are Mr. Jiang Guoxing Mr.Shi Lei and Mr. Yu Jun; non-executive Directors are Ms. Zhang Qianling and Mr. Sun Zheng and independent non-executive Directors are Mr. Cao Zhongyong Mr. Cai Minyong Mr. Wang Pin and Ms. Zou Fuwen.* For identification purposes only 3