通鼎互联信息股份有限公司关于审计机构变更签字注册会计师的公告

Group 1 - The company has appointed Tianheng Certified Public Accountants as the auditing firm for the fiscal year 2025, with the decision approved during board and shareholder meetings [1][2] - The signing auditors for the 2025 financial statement audit have changed, with Mao Yinyin replacing Shi Lihua due to personnel changes, while Qiu Ping remains as the project partner [2][3] - Mao Yinyin has been a certified public accountant since 2019 and has experience in auditing listed companies, having signed or reviewed one audit report in the past three years [3] Group 2 - The change in auditors is expected to have no adverse impact on the company's 2025 financial statement audit and internal control review [5] - The company has provided a guarantee for its wholly-owned subsidiary, Suzhou Tongding New Energy Co., Ltd., for a bank loan of 3 million RMB, with a maximum guarantee amount of 3.75 million RMB [9][12] - The total guarantee amount for the company and its subsidiaries after this guarantee will be 450 million RMB, with the current guarantee representing 1.84% of the company's latest audited net assets [13]