Ningbo Ke Star Data: reduce holding of Ke Star Data by 1%

Notice from Costa: The controlling shareholder Ningbo Costa Entrepreneurship Investment Partnership Enterprise has cumulatively reduced its holdings of the company's shares through centralized bidding from August 29 to September 26, 2025, with a total of 5.8222 million shares, accounting for 1% of the company's total share capital. The reduction plan has been completed. After the reduction, the total shareholding of the controlling shareholder and its concerted action parties has decreased from 357 million shares to 351 million shares, and the shareholding ratio has decreased from 61.37% to 60.37%.