ST Clean: Open recruitment and selection of pre-reorganization investors

ST Castle Announcement, June 5, 2026. The Intermediate People's Court of Suzhou City, Jiangsu Province has initiated the company's pre-reorganization procedure. The company plans to publicly recruit and select pre-reorganization investors. The recruitment conditions include prospective investors who are profit-making legal persons or non-legal organizations established in accordance with the law and validly existing, with total assets on a consolidated basis not less than RMB 4 billion and net assets not less than RMB 1 billion in the most recent accounting year. The interim administrator will, based on the needs of the pre-reorganization work, comprehensively evaluate the strength of investors, preferentially selecting those with a strong sense of social responsibility and good business reputation, which is beneficial for the protection of creditors, small and medium investors and contributes to the company's operational development.