Tianma Microelectronics Co.Ltd(000050) : Announcement on change of signing certified public accountant

Securities code: 000050 securities abbreviation: shentianma a Announcement No.: 2022-006 Tianma Microelectronics Co.Ltd(000050)

Announcement on change of signature certified public accountant

The company and all members of the board of directors guarantee that the information disclosed is true, accurate and complete without false records, misleading statements or major omissions.

Tianma Microelectronics Co.Ltd(000050) (hereinafter referred to as “the company”) deliberated and adopted the proposal on the appointment of accounting firms in 2021 at the 19th meeting of the ninth board of directors held on March 11, 2021 and the 2020 general meeting of shareholders held on June 28, 2021, We agree to employ Dahua Certified Public Accountants (special general partnership) (hereinafter referred to as “Dahua certified public accountants”) as the audit institution of the company’s financial statements and internal control over financial reports in 2021. For details, please refer to the company’s announcement on securities times and cninfo (www.cn. Info. Com. CN.) on March 13, 2021 The announcement on the appointment of accounting firms in 2021 (Announcement No.: 2021-017) disclosed.

1、 Change of signature CPA

Recently, the company received the letter on changing the Tianma Microelectronics Co.Ltd(000050) signing certified public accountant from Dahua certified public accountants. Dahua certified public accountants is the audit institution of the company’s financial statements and internal control in 2021, and the original appointees sent Ms. long Jiao and Mr. Li Haoyang as signing certified public accountants to provide audit services for the company. In view of the work adjustment of Mr. Li Haoyang, the original signing certified public accountant, Dahua certified public accountants appointed Ms. Huang Yuqing to replace Mr. Li Haoyang as the signing certified public accountant to continue to complete the audit of the company’s financial statements and internal control of financial reports in 2021. The signed certified public accountants after the change are Ms. long Jiao and Ms. Huang Yuqing.

2、 Basic information of Certified Public Accountants signing this change

Signature certified public accountant: Huang Yuqing, who became a certified public accountant in 2015, began to audit listed companies in 2011, began to practice in Dahua certified public accountants in 2021, began to provide audit services for the company in 2021, and signed audit reports of Listed Companies in recent three years.

Ms. Huang Yuqing, the signing certified public accountant, can maintain independence in the audit of the project.

In the past three years, Ms. Huang Yuqing, the signing certified public accountant, has not been subject to criminal punishment for her professional behavior, administrative punishment, supervision and management measures of the CSRC and its dispatched offices and industry competent departments, or self-discipline supervision measures and disciplinary sanctions of self-discipline organizations such as stock exchanges and industry associations.

During this change, the relevant work arrangements are handed over in an orderly manner, and the changes will not have an impact on the audit of the company’s financial statements and internal control in 2021.

3、 Documents for future reference

1. Letter on changing Tianma Microelectronics Co.Ltd(000050) signature certified public accountant. 2. The identity certificate, practice license and contact information of the certified public accountant signed after the change. It is hereby announced.

Tianma Microelectronics Co.Ltd(000050) board of directors January 26, 2002

- Advertisment -