Tongguan Copper Foil announced on August 17 that Wang Junlin, secretary of the company's board of directors and head of finance, passed away due to illness on August 15, 2026. As of the disclosure date, Wang Junlin did not hold shares in the Company. The company will complete the appointment of board secretaries and financial officers as soon as possible in accordance with the prescribed procedures, and promptly fulfill the obligation to disclose information.

Tongguan Copper Foil announced on August 17 that Wang Junlin, secretary of the company's board of directors and head of finance, passed away due to illness on August 15, 2026. As of the disclosure date of the announcement, Wang Junlin did not hold shares in the Company. The company will complete the appointment of board secretaries and financial officers as soon as possible in accordance with the prescribed procedures, and promptly fulfill the obligation to disclose information.