Announcement on Progress of Guarantees

Securities Code: 301236 Securities Abbreviation: Ruisun Power Announcement Number: 2026-015 Ruisun Power Information Technology (Group) Co., Ltd. Announcement on Progress of Guarantees The company and all members of the board of directors guarantee that the information disclosed is true, accurate, and complete, and contains no false records, misleading statements, or major omissions. Special Risk Warning: Ruisun Power Information Technology (Group) Co., Ltd. (hereinafter referred to as the "Company" or "Ruisun Power") guarantees an amount exceeding 50% of the Company's latest audited net assets for entities with an asset-liability ratio exceeding 70%. The entities with an asset-liability ratio exceeding 70% mentioned above are all wholly-owned subsidiaries of the Company. The financial risks are within controllable limits. Investors are kindly requested to pay close attention to the guarantee risks. I. Overview of Guarantees The Company held the 23rd meeting of the Second Board of Directors on November 28, 2025, and the 3rd Extraordinary General Meeting of Shareholders on December 15, 2025, and deliberated and approved the "Proposal on Estimated Guarantee Quota." It was agreed that during the period from January 1, 2026, to December 31, 2026, the Company would provide a credit line guarantee not exceeding RMB 9 billion for its holding subsidiaries (excluding the guarantee quota previously approved by the Company and the additional guarantee quota involved in the "Proposal on Adjustment of Guarantee Quota for Wholly-Owned Subsidiaries" approved by the 23rd meeting of the Second Board of Directors). Among them, a revolving credit line guarantee not exceeding RMB 6.523 billion would be provided for holding subsidiaries with an asset-liability ratio exceeding 70% (the guarantee quotas for holding subsidiaries with an asset-liability ratio exceeding 70% can be mutually adjusted), and a revolving credit line guarantee not exceeding RMB 2.477 billion would be provided for holding subsidiaries with an asset-liability ratio below 70% (the guarantee quotas for holding subsidiaries with an asset-liability ratio below 70% can be mutually adjusted). The above guarantee matters are estimated to occur within the future validity period. The relevant parties have not yet signed the credit guarantee agreements. The main contents approved by the Company's shareholders' meeting will be negotiated and determined by the Company and its holding subsidiaries with banks or relevant institutions. The actual guarantee amount, guarantee method, and term will be subject to the actual signed agreements. The final guarantee amount will not exceed the total quota granted. The Company hereby authorizes its General Manager Liu Tianwen or his designated representative to sign the agreements and handle specific implementation matters. For detailed information, please refer to the "Announcement on Estimated Guarantee Quota" disclosed by the Company on CNI Network on November 29, 2025. II. Progress of Guarantees Based on the content and authorization approved by the Company's board of directors and shareholders' meeting, SoftBank Computer Co., Ltd. (hereinafter referred to as "SoftBank Computer"), a wholly-owned subsidiary of the Company, has applied to the Wuxi Branch of Jiangsu Bank Co., Ltd. for a credit line of RMB 120 million. To support the business development of SoftBank Computer, the Company provides a guarantee for the aforementioned financing of SoftBank Computer. The guarantee method is joint and several liability guarantee, and the guarantee period is three years from the expiration of the debt repayment period. Zhitong Intelligent Technology (Suzhou) Co., Ltd. (hereinafter referred to as "Zhitong Intelligent Suzhou"), a wholly-owned subsidiary of the Company, has applied to the Beijing Branch of China Everbright Bank Co., Ltd. for a credit line of RMB 20 million, and to the Suzhou Branch of Huaxia Bank Co., Ltd. for a credit line of RMB 50 million, and to the Suzhou Branch of China Minsheng Bank Co., Ltd. for a credit line of RMB 45 million. To support the business development of Zhitong Intelligent Suzhou, the Company provides a guarantee for the aforementioned financing of Zhitong Intelligent Suzhou. The guarantee method is joint and several liability guarantee. The guarantee period for the guarantee provided to China Everbright Bank Co., Ltd. Beijing Branch is two years from the expiration of the debt repayment period, and the guarantee