Castech Inc. (002222.SZ) controlling shareholder, the Fujian Institute of Research on the Structure of Matter of the Chinese Academy of Sciences, plans to reduce its shareholding by no more than 2%.

Castech Inc. (002222.SZ) announcement, the company's controlling shareholder, the Fujian Institute of Research on the Structure of Matter of the Chinese Academy of Sciences, plans to reduce its shareholding in the company by a maximum of 9.405 million shares (no more than 2.00% of the total share capital of the company) through centralized bidding or block trading within three months after the disclosure of this reduction plan is announced, and starting from the fifteenth trading day after the disclosure.