Annual report of the board of directors

Anhui Estone Materials Technology Co.Ltd(688733) : the annual performance report of the audit committee of Anhui Estone Materials Technology Co.Ltd(688733) board of directors in 2021 is in accordance with the relevant provisions of the standards for corporate governance of listed companies, the Listing Rules of the science and Innovation Board of Shanghai Stock Exchange, the operation guidelines of the audit committee of the board of directors of listed companies of Shanghai Stock Exchange, the Anhui Estone Materials Technology Co.Ltd(688733) articles of association and so on, Anhui Estone Materials Technology Co.Ltd(688733) (hereinafter referred to as “the company”) the audit committee of the board of Directors now reports the performance of its duties in 2021 as follows: I. Basic information of the audit committee. The audit committee of the company is composed of three members, including independent director Mr. Zhang Ruiwen, independent director Mr. Li Mingfa and chairman Mr. Jiang Xuexin, of which the chairman is an independent director with professional accounting qualification, Comply with regulatory requirements and relevant regulations