Announcement on the Limit of Guarantees for Subsidiaries

Securities Code: 002326 Securities Abbreviation: Yongtai Technology Announcement No.: 2026-028 Zhejiang Yongtai Technology Co., Ltd. Announcement on the Limit of Guarantees for Subsidiaries The Company and its Board of Directors guarantee that the information disclosed is true, accurate, and complete, and contains no false records, misleading statements, or significant omissions. Special Reminder: Zhejiang Yongtai Technology Co., Ltd. (hereinafter referred to as the "Company") plans to apply for a total external guarantee amount not exceeding RMB 550,000 million, accounting for 205.86% of the Company's latest audited net assets. Among this, the guarantee limit for subsidiaries with a liability-to-asset ratio exceeding 70% shall not exceed RMB 173,000 million. Investors are kindly requested to pay attention to investment risks. On April 27, 2026, the Company held the seventh meeting of the seventh Board of Directors, which deliberated and passed the "Proposal on the Limit of Guarantees for Subsidiaries." This matter needs to be submitted to the Company's shareholders' meeting for deliberation. The specific details are as follows: I. Overview of Guarantees To meet the funding needs for the daily operations and business development of its subsidiaries, the Company plans to provide guarantees for some of its consolidated subsidiaries. The total guarantee amount is expected to not exceed RMB 550,000 million. This guarantee limit can be used cyclically, meaning it will provide joint and several liability guarantees for the financing of domestic banks and other institutions (including but not limited to RMB/foreign currency loans, bank acceptances, letters of credit, import and export bills of exchange, packing loans, bank guarantees, financial leasing, etc.). The guarantee limit for subsidiaries with a liability-to-asset ratio not exceeding 70% shall not exceed RMB 377,000 million, and the guarantee limit for subsidiaries with a liability-to-asset ratio exceeding 70% shall not exceed RMB 173,000 million. The guarantee limit can be adjusted among subsidiaries. However, when adjustments are made, the guarantee object whose liability-to-asset ratio exceeds 70% can only obtain the guarantee limit from a guarantee object whose liability-to-asset ratio exceeds 70% (at the time of the shareholders' meeting deliberation on the guarantee limit). The guarantee methods include, but are not limited to, guarantees, mortgages, and pledges. The specific guarantee amount and duration of guarantee will be subject to the specific contract. At the same time, it is proposed that the shareholders' meeting authorize the Company's Chairman to fully represent the Company in signing guarantee agreements and other legal documents within the limit and handle other related matters. The authorization period is from the date of deliberation and approval by the 2025 annual shareholders' meeting to the date of the 2026 annual shareholders' meeting. The guarantee limit allocation is as follows: