Eurotech Technology: Shanghai Guozan Private Equity Fund increased its holdings of the company's shares by 0.11526%.

OK Technology Announcement: On May 20, 2026, a private equity investment fund managed by Shanghai Guozan Private Equity Fund Management Partnership Enterprise acquired a total of 107,600 shares of the company through centralized bidding trading on the Shenzhen Stock Exchange, accounting for 0.11526% of the total share capital of the company. After the acquisition, the private securities investment fund managed by Shanghai Guozan holds 4,719,800 shares of the company, accounting for 5.05593% of the total share capital. This equity change will not result in any changes to the controlling shareholders or actual controllers of the company.