Stock Code: 002395 Stock Abbreviation: Shuangxiang Shares Announcement No.: 2026-008 Wuxi Shuangxiang Advanced Materials Co., Ltd. Announcement on Re-appointing the Company's 2026 Audit Firm The Company and all members of the Board of Directors guarantee the truthfulness, accuracy, and completeness of the information disclosed, without false records, misleading statements, or major omissions. Wuxi Shuangxiang Advanced Materials Co., Ltd. (hereinafter referred to as the "Company") held the second meeting of the Eighth Board of Directors on April 11, 2026, and deliberated and passed the "Proposal on Re-appointing the Company's 2026 Audit Firm." It is proposed to re-appoint Zhongxinghua Certified Public Accountants (Special General Partnership) (hereinafter referred to as "Zhongxinghua Certified Public Accountants" or "Zhongxinghua Firm") as the Company's 2026 audit firm. This matter still needs to be submitted for deliberation by the Company's 2025 Shareholders' Meeting. The relevant matters are hereby announced as follows: I. Explanation of the Proposed Re-appointment of the Audit Firm Zhongxinghua Certified Public Accountants possesses qualifications for securities and futures related business and has rich experience in auditing listed companies. In its past audit services, Zhongxinghua Certified Public Accountants strictly adhered to relevant laws, regulations, and policies, and followed the professional standards of independence, objectivity, and fairness, successfully completing all audit work for the Company. The reports issued by it objectively, fairly, and impartially reflected the Company's financial situation and operating results, effectively fulfilled the duties of an audit institution, and protected the legitimate rights and interests of the Company and shareholders from a professional perspective. To maintain the continuity of audit work, the Board of Directors proposes to re-appoint Zhongxinghua Certified Public Accountants as the Company's audit institution for 2026, responsible for the Company's 2026 audit work. The audit fees will be determined through negotiation with Zhongxinghua Certified Public Accountants based on the Company's 2026 audit requirements and scope. II. Basic Information of the Proposed Re-appointed Audit Firm (I) Institutional Information
- Basic Information Zhongxinghua Certified Public Accountants was established in 1993. In 2000, it was restructured and approved by the State Administration for Industry and Commerce to become "Zhongxinghua Certified Public Accountants Co., Ltd." In 2009, it merged with Jiangsu Fu Hua Certified Public Accountants and was renamed "Zhongxinghua Fuhua Certified Public Accountants Co., Ltd." In 2013, the Company underwent a partnership system reform, and the name of the firm after the reform was "Zhongxinghua Certified Public Accountants (Special General Partnership)." The registered address is 20th Floor, Building 1, South Building, No. 20 Lizhi Road, Fengtai District, Beijing. The managing partner is Li Zunnong. As of the end of 2025, there were 212 partners, 1084 certified public accountants, and 532 certified public accountants who signed securities service audit reports. The total revenue for 2025 (unaudited) was 219,612.23 million yuan, audit service revenue (unaudited) was 155,067.53 million yuan, and securities service revenue (unaudited) was 33,164.18 million yuan. In 2025, there were 197 listed company audit clients. The industries involved for listed companies mainly include manufacturing; information transmission, software, and information technology services; wholesale and retail; real estate; mining, etc. The total audit fees for listed companies in 2025 were 24,918.51 million yuan. The Company has 103 listed company audit clients in the same industry (manufacturing).
- Investor Protection Capability. Zhongxinghua Firm has accrued a professional risk fund of 10,450 million yuan and purchased professional insurance with a cumulative compensation limit of 10,000 million yuan. The accrual of the professional risk fund and the purchase of professional insurance comply with relevant regulations. There have been civil lawsuits related to professional conduct in the past three years: In the securities misrepresentation liability dispute case of Qingdao Hengda Co., Ltd., Zhongxinghua Certified Public Accountants was held jointly and severally liable for 20% of the compensation for Hengda Company. The above case has been concluded, and Zhongxinghua has fulfilled the final judgment on time, which will not have any adverse impact on Zhongxinghua's performance capability.
- Integrity Record. In the past three years, Zhongxinghua Firm has received 0 criminal penalties, 7 administrative penalties, 17 administrative supervision measures, 4 self-regulatory measures, and 3 disciplinary actions for professional conduct. 43 practitioners have received 0 criminal penalties, 15 administrative penalties, 34 administrative supervision measures, 11 self-regulatory measures, and 6 disciplinary actions for professional conduct. (II) Project Information
- Basic Information. Project Partner: Li Zonghao, became a Chinese Certified Public Accountant in 2002, began auditing listed and listed companies in 2016, started practicing at Zhongxinghua in 2023, and began providing audit services to the Company in 2025. He has rich auditing experience and possesses corresponding professional competence. He has signed or reviewed audit reports for multiple securities services in the past three years. Signing Certified Public Accountant: Huang Can, became a Certified Public Accountant in April 1999, began auditing listed and listed companies in December 2006, started practicing at Zhongxinghua in September 2025, and began providing audit services to the Company in 2025. He has signed audit reports for 1 listed company in the past three years. Project Quality Control Reviewer: Tian Yanping, began working in listed company audits in 2009, became a Certified Public Accountant in 2010, started practicing at Zhongxinghua in 2024. In the past three years, she has reviewed audit reports for multiple IPOs, listed companies, and listed companies, and possesses corresponding professional competence.
- Integrity Record. In the past three years, the project partner, signing certified public accountant, and project quality control reviewer have not received any criminal penalties for professional conduct. They have not received administrative penalties or supervision measures from the China Securities Regulatory Commission and its local bureaus or industry regulatory authorities. They have not received self-regulatory measures or disciplinary actions from stock exchanges or industry associations.
- Independence. Zhongxinghua and the project partner, signing certified public accountant, and project quality control reviewer can maintain independence while performing this audit work.
- Audit Fees. The audit fee for 2026 will be determined through negotiation with Zhongxinghua Certified Public Accountants based on the audit requirements and scope, and will be approved by the Company's Board of Directors and Shareholders' Meeting. The audit fee for 2025 was RMB 650,000. III. Procedures Performed by the Proposed Re-appointed Audit Firm
- Performance of the Audit Committee The Company's Board of Directors' Audit Committee has conducted a thorough review of Zhongxinghua Certified Public Accountants (Special General Partnership) and believes that it possesses the qualifications for securities and futures related business audits, has sufficient independence, professional competence, and investor protection capabilities, and has a good integrity record. During its service to the Company in 2025, it adhered to the principle of independent auditing, objectively, fairly, and impartially reflected the Company's financial position and operating results, effectively fulfilled its duties as an audit institution, and better protected the interests of the Company and its shareholders. It agrees to propose to the Board of Directors to re-appoint Zhongxinghua Certified Public Accountants (Special General Partnership) as the Company's 2026 audit institution.
- Deliberation and Voting on the Proposal by the Board of Directors The second meeting of the Eighth Board of Directors of the Company was held, and the "Proposal on Re-appointing the Company's 2026 Audit Firm" was deliberated and passed with 7 votes in favor, 0 votes against, and 0 abstentions. It is agreed to re-appoint Zhongxinghua Certified Public Accountants (Special General Partnership) as the Company's 2026 audit institution.
- Effective Date The matter of re-appointing Zhongxinghua Certified Public Accountants (Special General Partnership) as the Company's 2026 audit institution still needs to be submitted for deliberation by the Company's 2025 Annual Shareholders' Meeting and will take effect from the date of approval by the Company's 2025 Annual Shareholders' Meeting. IV. Documents for Filing
- "Resolution of the Second Meeting of the Eighth Board of Directors of Shuangxiang Shares"
- "Resolution of the Second Meeting of the Audit Committee of the Eighth Board of Directors of Shuangxiang Shares in 2026"
- Business license of the accounting firm, information and contact details of the principal person in charge and the business contact person, and identity documents, practice licenses, and contact details of the certified public accountants proposed to be responsible for the specific audit business. Wuxi Shuangxiang Advanced Materials Co., Ltd. Board of Directors April 13, 2026