索辰科技：关于全资子公司购买昆宇蓝程（北京）科技有限责任公司股权进展暨完成工商变更登记的公告

Group 1 - The company announced the acquisition of a 55% stake in Kunyu Lancheng (Beijing) Technology Co., Ltd. by its wholly-owned subsidiary, Shanghai Suochen Digital Technology Co., Ltd. for RMB 74.25 million [2] - The board of directors approved the acquisition during the 20th meeting of the second session held on October 9, 2025, and this decision does not require shareholder approval [2] - The company has received notification from Kunyu Lancheng that it has completed the industrial and commercial change registration and obtained a new business license from the Haidian District Market Supervision Administration in Beijing [2]