Avic Electromechanical Systems Co.Ltd(002013) : Announcement on changing the signing accountant

Securities code: 002013 securities abbreviation: Avic Electromechanical Systems Co.Ltd(002013) Announcement No.: 2022-003 Avic Electromechanical Systems Co.Ltd(002013)

Announcement on change of signing accountant

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

Avic Electromechanical Systems Co.Ltd(002013) the seventh meeting of the seventh board of directors and the seventh meeting of the seventh board of supervisors held on May 7, 2021 deliberated and adopted the proposal on the company's employment of financial audit institution in 2021, and hired Daxin Certified Public Accountants (special general partnership) (hereinafter referred to as "Daxin certified public accountants") as the company's audit institution in 2021, The proposal has been deliberated and approved by the company's 2020 annual general meeting of shareholders. For details, please refer to the company's disclosure in the securities times and cninfo (www.cn. Info. Com. CN.) on May 8, 2021 Announcement on proposed change of accounting firm (Announcement No. 2021-021). 1、 Change of signature accountant

On February 17, 2022, the company received the letter on replacing Avic Electromechanical Systems Co.Ltd(002013) signing certified public accountants from Daxin certified public accountants. As the audit institution of the company in 2021, Daxin certified public accountants originally appointed Ma Zhenxing and Zhou quanle as signing certified public accountants to provide audit services for the company. In view of the reasons for the adjustment of Ma Zhenxing's work, Daxin certified public accountants now appoints Wang YUEWU to replace Ma Zhenxing and continue to complete the audit of the company in 2021. The signed certified public accountants after the change are Wang YUEWU and Zhou quanle.

2、 Signature accountant information of this change

Mr. Wang YUEWU became a certified public accountant in 2014. He began to engage in the audit of Listed Companies in 2015 and began to practice in Daxin in 2021. He has not signed the audit report of listed companies or worked part-time in other units in recent three years.

Mr. Wang YUEWU did not violate the independence requirements of the code of professional ethics for Chinese certified public accountants, and did not receive criminal punishment, administrative punishment, administrative supervision measures and self-discipline punishment in the last three years.

Changes in the company's internal audit arrangements will not affect the company's internal control in 2021.

3、 Documents for future reference

1. Letter on replacing Avic Electromechanical Systems Co.Ltd(002013) signed Certified Public Accountants issued by Daxin certified public accountants;

2. The signature of this change is the certified public accountant's practice certificate, ID card and contact information.

It is hereby announced.

Avic Electromechanical Systems Co.Ltd(002013) board of directors February 18, 2022

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