Securities Code: 688052 Securities abbreviation: Naxin Micro Announcement No.: 2023-002

Suzhou Naxin Microelectronics Co., Ltd.

Announcement on the change of signed certified public accountants and quality control reviewers.

The board of directors and all directors of the company guarantee that there are no false records or misleading statements in the contents of this announcement.

or material omissions, and assumes legal responsibility for the truthfulness, accuracy and completeness of its contents.

Suzhou Naxin Microelectronics Co., Ltd. (hereinafter referred to as "the Company") held a meeting on May 13, 2022.

At the 16th meeting of the second board of directors, the 2021 annual general meeting of shareholders was held on June 10, 2022.

The "Proposal on the Renewal of the 2022 Audit Institution" was passed, and it was agreed to appoint Tianjian Certified Public Accountants (Special General Partnership) (hereinafter referred to as "Tianjian") as the company's 2022 audit institution. For details, please refer to the company.

The "About Renewal of Employment" disclosed on the website of the Shanghai Stock Exchange (www.sse.com.cn) on May 17, 2022

Announcement of Audit Institutions for 2022 (Announcement No. 2022-007). On January 12, 2023, the Company received

The "Letter on the Change of Signing CPA" issued by Tianjian, the relevant specific changes are as follows:

1. this change signed certified public accountant, quality control reviewer

Tianjian, as the company's 2022 audit institution, originally appointed Chen Yanxin and Xu Yin as the signing certified public accountants,

Xie Dongliang as quality control reviewer. Due to the adjustment of Tianjian's internal work, the original signed certified public accountant Xu Yin and quality control reviewer Xie Dongliang no longer serve as the company's 2022 audit project signed certified public accountant and quality control reviewer. In order to better complete the company's 2022 audit work, Tianjian assigned Chen Yanxin and Sun Haihui to be responsible for the 2022 audit work and sign the audit report, and the quality control reviewer Song Na was responsible for the quality review of the 2022 audit work.

2. the basic information and integrity and independence of the new signed certified public accountant and quality control reviewer.

1. Basic information

Sun Haihui, the new signatory CPA, began auditing public companies in 2015, and in 2017

Became a certified public accountant, began to practice in Tianjian in 2017, began to provide audit services for the company in 2022, and has not signed an audit report of a listed company in the past three years.

The new quality control reviewer, Song Na, became a certified public accountant in 2016 and began listing in 2016.

The company's audit business, began to practice in Tianjian in 2020, began to serve as the company's project quality control reviewer in 2022, and signed an audit report of a listed company in the past three years.

2, the above-mentioned relevant personnel of the integrity of the record.

Sun Haihui and Song Na have not been subject to any criminal penalties, administrative penalties, administrative supervision measures, self-regulatory measures, or disciplinary sanctions since their employment.

3-Independence

Sun Haihui and Song Na do not violate the independence requirements of the Code of Ethics for Certified Public Accountants of the People's Republic of China.

3. the impact of this change on the company by signed certified public accountants and quality control reviewers.

The change of the company's signature certified public accountant, quality control reviewer is the internal work adjustment of the audit institution, the relevant work arrangements are handed over in an orderly manner, the change will not adversely affect the company's 2022 audit work.

It is hereby announced.

Board of Directors of Suzhou Naxin Microelectronics Co., Ltd.

13 January 2023