Securities code: 688396 Securities abbreviation: China Resources Micro Announcement No.: 2024-018

China Resources Microelectronics Co., Ltd

Announcement on the change of the signatory certified public accountant and quality control reviewer

The board of directors and all directors of the company guarantee that there are no false records, misleading statements or material omissions in the content of this announcement, and assume legal responsibility for the authenticity, accuracy and completeness of its content in accordance with the law.

China Resources Microelectronics Co., Ltd. (hereinafter referred to as the "Company") held its second session on April 24, 2024

At the 15th meeting of the board of directors, the "Proposal on the Appointment of the Company's 2024 Audit Institution" was deliberated and approved, and it was agreed to appoint Lixin Certified Public Accountants (Special General Partnership) as the company's 2024 annual financial report and internal

Control of audit institutions. For details, please refer to the company's website on the Shanghai Stock Exchange on April 26, 2024

(www.sse.com.cn) Announcement on the appointment of the company's auditor in 2024 disclosed by the disclosure.

Recently, the company received the "Letter on Changing the Signing Accountant and Quality Control Reviewer of China Resources Microelectronics Co., Ltd." issued by Lixin Certified Public Accountants (Special General Partnership).

1. The basic information of the signing certified public accountant and the quality control reviewer of this change

As the company's financial and internal control auditor for 2024, Lixin Certified Public Accountants (Special General Partnership) originally appointed Mr. Guo Zhaogang and Mr. Tian Wei as the signing certified public accountants, and Mr. Xiao Changhe as the quality control reviewer to provide audit services for the company. Due to the change in work arrangement, Lixin Certified Public Accountants (Special General Partnership) appointed Mr. Dai Hongyong to replace Mr. Tian Wei as the signing certified public accountant, and Mr. Yu Jiansong to replace Mr. Xiao Changhe as the quality control reviewer. After the change, the signing certified public accountants of the company's 2024 audit project are Mr. Guo Zhaogang and Mr. Dai Hongyong, and the quality control reviewer is Mr. Yu Jiansong.

2. The basic information, integrity record and independence of the personnel who have changed this time

(1) Basic information

Signed CPA: Mr. Dai Hongyong

Mr. Dai Hongyong, became a Chinese Certified Public Accountant in 2016, began to engage in auditing business in 2008, began to practice in Lixin Certified Public Accountants (Special General Partnership) in 2012, and began to provide audit services for the Company in 2023.

Quality control reviewer: Mr. Yu Jiansong

Mr. Yu Jiansong, became a Chinese Certified Public Accountant in 2015, began to engage in auditing business in 2008, began to practice in Lixin Certified Public Accountants (Special General Partnership) in 2024, and began to provide review work for the Company in 2024.

(2) Creditworthiness records and independence

Mr. Dai Hongyong and Mr. Yu Jiansong have not been subject to criminal punishment for their professional conduct in the past three years, have not been subject to administrative penalties, supervision and management measures by the China Securities Regulatory Commission, its dispatched agencies and industry authorities, and have not been subject to self-regulatory measures or disciplinary actions by self-regulatory organizations such as securities trading venues and industry associations.

In the past three years, Mr. Dai Hongyong and Mr. Yu Jiansong have not held, traded or traded shares of the company, nor have they had any other economic interests that affect their independence. The signatory CPA and quality control reviewer of this change do not violate the independence requirements of the Code of Professional Ethics of Chinese Certified Public Accountants.

3. The impact of this change on the company

The company's change of the signatory certified public accountant and quality control reviewer is the internal work adjustment of the audit institution, and the relevant work arrangements are handed over in an orderly manner, and the changes will not have an impact on the company's 2024 financial statement audit and internal control audit work.

The announcement is hereby made.

Board of Directors of China Resources Microelectronics Co., Ltd

December 7, 2024