Advanced Digital Communications: The company repurchased 0.03% of its shares for the first time, with a total transaction amount of 1.6724 million yuan.

Advanced Digital Communications Announcement: On May 13, 2026, the company repurchased 129,400 shares of the company through a stock repurchase special account for the first time, accounting for 0.03% of the current total share capital of the company. The highest transaction price for the repurchased shares was 12.97 yuan per share, and the lowest transaction price was 12.9 yuan per share, with a total transaction amount of 1.6724 million yuan.