Konfoong Materials International Co.Ltd(300666) : Announcement on the change of signing certified public accountant

Securities code: Konfoong Materials International Co.Ltd(300666) securities abbreviation: Konfoong Materials International Co.Ltd(300666) Announcement No.: 2022067 bond Code: 123123 bond abbreviation: Jiangfeng convertible bond

Konfoong Materials International Co.Ltd(300666)

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.

Konfoong Materials International Co.Ltd(300666) (hereinafter referred to as “the company”) passed the proposal on employing the auditor of 2021 at the 2020 annual general meeting held on May 7, 2021, and agreed to renew the appointment of Lixin Certified Public Accountants (special general partnership) (hereinafter referred to as “Lixin”) as the auditor of the company in 2021. For details, please refer to cninfo.com (www.cn. Info. Com. CN), the gem information disclosure website designated by China Securities Regulatory Commission Relevant announcements. Recently, the company received the letter on changing the certified public accountant with Konfoong Materials International Co.Ltd(300666) signature issued by Lixin. The details are as follows:

1、 Basic information of the certified public accountant who changed the signature

Ms. Mei Liyan and Mr. Ling feifeng are appointed as the auditors of the company in 2021. In view of the work adjustment of Fang Yafei, the original signing certified public accountant, Ms. Chen Sihua is appointed to replace Ms. Fang Yafei as the signing certified public accountant of the company’s 2021 audit project and continue to complete the work related to the company’s 2021 audit. After the change, the signature Certified Public Accountants of the company’s 2021 audit project are Ms. Ling Yan (project partner), Ms. Chen Sihua and Mr. Mei Junfeng. 2、 Basic information, independence and integrity of the certified public accountant signing this change

1. Basic information

Ms. Chen Sihua, a Chinese certified public accountant, has been engaged in the audit of listed companies since 2008 and has provided services to many listed companies. She began to practice in Lixin in 2013 and has professional competence. 2. Independence and integrity record

Ms. Chen Sihua has not violated the independence requirements of the code of professional ethics for Chinese certified public accountants, and has not been subject to criminal punishment, administrative punishment, administrative supervision measures and self-discipline sanctions in the past three years. Comply with the provisions of regular rotation and have no bad credit records.

3、 Other instructions

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

4、 Documents for future reference

1. Letter on change of signing certified public accountant issued by Lixin Certified Public Accountants (special general partnership).

It is hereby announced.

Konfoong Materials International Co.Ltd(300666) board of directors April 25, 2022

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