<p>COTRAN announced that its shareholder Zhoushan Huineng Enterprise Management Consulting Partnership will reduce its holdings by 141,500 shares through centralized bidding from September 29, 2025, to October 15, 2025, at an average reduction price of 42.82 yuan per share, accounting for 0.1119% of the company's total share capital; the reduction plan has been completed, and after the reduction, it holds 116,900 shares, accounting for 0.0924%</p>

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<p>COTRAN announced that its shareholder Zhoushan Huineng Enterprise Management Consulting Partnership will reduce its holdings by 141,500 shares through centralized bidding from September 29, 2025, to October 15, 2025, at an average reduction price of 42.82 yuan/share, accounting for 0.1119% of the company's total share capital; the reduction plan has been completed, and after the reduction, it holds 116,900 shares, accounting for 0.0924%</p>

COTRAN: Zhoushan Huineng has reduced its holdings by 0.1119%