千亿合并计划告吹，海光信息终止换股吸收中科曙光

Group 1 - The core point of the news is that Haiguang Information and Zhongke Shuguang have officially terminated the restructuring plan for Haiguang Information to absorb and merge Zhongke Shuguang through a share exchange due to changes in market conditions and the complexity of the transaction [1][2] - The restructuring plan began in May, with Haiguang Information proposing to issue shares to all A-share shareholders of Zhongke Shuguang at a swap ratio of 0.5525:1, involving a total transaction amount of approximately 115.97 billion yuan [1] - The merger was intended to optimize the industrial layout from chips to software and systems, consolidating high-quality resources along the information industry chain [1] Group 2 - Zhongke Shuguang indirectly holds 27.96% of Haiguang Information's shares, making it the largest shareholder, and both companies have a strong interconnection in their executive teams [2] - Following the announcement of the merger termination, both companies introduced a cash dividend plan for the mid-term of 2025, with Haiguang Information proposing a cash dividend of 0.90 yuan per 10 shares and Zhongke Shuguang proposing 0.70 yuan per 10 shares [2] - The stock prices of both companies experienced significant increases prior to the termination announcement, with Zhongke Shuguang's stock price rising approximately 45.59% and Haiguang Information's stock price increasing over 55% [2]