Industrial Silver Tin: Zhang Shucheng and Sun Kai each completed the increase of 40,000 shares.

Xingye Yinxi announces that the company's chairman Ji Xingye, vice chairman Ji Xiang, director and president Zhang Shucheng, and director and vice president and board secretary Sun Kai plan to each increase their holdings by 40,000 shares, totaling 160,000 shares, through centralized bidding transactions using their own funds within one month from the date of disclosure of the share increase plan announcement. Recently, Zhang Shucheng and Sun Kai have completed their increases: the two each increased their holdings by 40,000 shares on November 2, 2026, at an average price of RMB 22.03 per share and RMB 22.19 per share, with amounts of approximately RMB 881,200 and RMB 887,700; after the increase, they hold 148,700 shares and 280,000 shares, representing 0.0084% and 0.0158% of the total share capital. Ji Xingye and Ji Xiang have not yet implemented their increases and will continue to implement them at an opportune time.