Stock Code: 002058 Stock Abbreviation: *ST Weiertai Announcement No.: 2026-016 Shanghai Weiertai Industrial Automation Co., Ltd. Announcement on Estimated Daily Related Transactions for 2026 The Company and the Board of Directors guarantee the truthfulness, accuracy, and completeness of the information disclosed herein, and that there are no false records, misleading statements, or material omissions. I. Basic Information on Daily Related Transactions (I) Overview of Daily Related Transactions To meet the normal needs of the Company's daily production and operation, Shanghai Weiertai Industrial Automation Co., Ltd. (hereinafter referred to as the "Company") and its holding subsidiaries plan to conduct related transactions with Shanghai Zidong Nylon Materials Technology Co., Ltd. and Shanghai Zizhuo Packaging Materials Co., Ltd. The 13th meeting of the 9th Board of Directors discussed the proposal for this estimated related transaction, and the results are as follows:
- The 13th meeting of the 9th Board of Directors of the Company was held on April 27, 2026, and the "Proposal on Estimated Daily Related Transactions for 2026" was deliberated and approved by a vote of 5 in favor, 0 against, and 0 abstentions.
- During the vote on the aforementioned proposal, related directors Chen Heng, Li Yu, Xia Guang, and Liu Yufeng recused themselves from voting.
- The 1st Special Meeting of Independent Directors of the Company in 2026 has deliberated and unanimously approved the "Proposal on Estimated Daily Related Transactions for 2026."
- This daily related transaction is subject to the approval of the Company's shareholders' meeting. Shanghai Zizhu High-tech Zone (Group) Co., Ltd., the controlling shareholder of the Company, should recuse itself from voting on this proposal. (II) Estimated Daily Related Transaction Categories and Amounts Unit: Ten Thousand Yuan | Transaction Category | Related Party | Transaction Content | Pricing Principle | Estimated Amount | Amount as of Disclosure Date | Amount from Previous Year | |---|---|---|---|---|---|---| | Procurement of Raw Materials from Related Parties | Shanghai Zidong Nylon Materials Technology Co., Ltd. | Purchase of Goods | Market Price | 600 | 2.69 | 347 | | | Shanghai Zizhuo Packaging Materials Co., Ltd. | Purchase of Power | Market Price | 230 | 38.62 | 221 | | Other | Shanghai Zizhuo Packaging Materials Co., Ltd. | Rental of Premises and Automobiles, etc. | Market Price | 1,920 | 245.19 | 915 | | Total | / | / | / | 2,750 | 286.5 | 1,563 | (III) Actual Occurrence of Daily Related Transactions in the Previous Year Unit: Ten Thousand Yuan | Transaction Category | Related Party | Transaction Content | Actual Amount | Estimated Amount | Proportion of Actual Transaction Amount to Total Business ( % ) | Difference Between Actual and Estimated Amounts (%) | Disclosure Date and Index | |---|---|---|---|---|---|---|---| | Procurement of Raw Materials from Related Parties | Shanghai Zidong Nylon Materials Technology Co., Ltd. | Purchase of Goods | 347 | / | 6.78 | / | Not Applicable | | | Shanghai Zizhuo Packaging Materials Co., Ltd. | Purchase of Power | 221 | / | 13.95 | / | Not Applicable | | Other | Shanghai Zizhuo Packaging Materials Co., Ltd. | Rental of Premises and Automobiles, etc. | 915 | / | 100 | / | Not Applicable | Statement by the Company on the significant difference between the actual occurrence of daily related transactions and the estimate (if applicable) | The related transactions were all incurred by Shanghai Zizhuo New Material Technology Co., Ltd., a holding subsidiary of the Company, in 2025. The Company acquired the controlling stake in this subsidiary in September 2025, so this statement is not applicable. | Statement by the Independent Directors of the Company on the significant difference between the actual occurrence of daily related transactions and the estimate (if applicable) | The related transactions were all incurred by Shanghai Zizhuo New Material Technology Co., Ltd., a holding subsidiary of the Company, in 2025. The Company acquired the controlling stake in this subsidiary in September 2025, so this statement is not applicable. | II. Introduction to Related Parties and Related Relationships | Related Party Name | Abbreviation | Registered Capital (Ten Thousand Yuan) | Legal Representative | Business Scope | |---|---|---|---|---| | Shanghai Zidong Nylon Materials Technology Co., Ltd. | Zidong Nylon | 15559.8203 | Liu Jiahuan | Focusing on PE, EVA, PET, CPP and other plastic materials, producing various products for packaging and other fields. | | Shanghai Zizhuo Packaging Materials Co., Ltd. | Zizhuo Packaging | 5063.75 | Ming Hui | Research and development, production of cast polypropylene film, multi-layer composite film, packaging film (excluding agricultural film), non-residential real estate leasing. | The companies listed above are all subsidiaries of Shanghai Zijiang Enterprise Group Co., Ltd. The actual controller of the Company and Shanghai Zijiang Enterprise Group Co., Ltd. is Mr. Shen Wen. Upon verification, the above-mentioned related parties have good credit standing and are not dishonest judgment debtors. Based on their financial and operating conditions and past performance, they have strong performance capabilities. The main financial indicators of the above-mentioned related parties in the previous year are as follows: | Related Party Name | As of September 30, 2025 | |---|---| | Zidong Nylon | Total assets of 29,240 million yuan, net assets of 8,431 million yuan, operating income of 13,893 million yuan, net profit of -2,026 million yuan (unaudited). | | Zizhuo Packaging | Total assets of 11,939 million yuan, net assets of -8,986 million yuan, operating income of 969 million yuan, net profit of 55 million yuan (unaudited). | III. Main Content of Related Transactions The Company plans to purchase raw materials from Zidong Nylon and lease premises and automobiles from Zizhuo Packaging in 2026, with an estimated total daily related transaction amount not exceeding 27.5 million yuan. The Company's estimated daily related transactions for 2026, after being deliberated and approved by the Board of Directors, will be carried out by the Company's management within the scope of the estimated daily related transactions for 2026, and relevant agreements will be signed. IV. Purpose and Impact of Related Transactions on the Listed Company
- Necessity of the Transaction. The Company's estimated daily related transactions are based on the estimated necessary transactions that have occurred in the Company's past daily production and operation. Transactions with the aforementioned related parties are conducive to reducing communication costs and ensuring the Company's normal operation, and are therefore necessary to a certain extent.
- Fairness of the Transaction. The aforementioned related transactions will be conducted in accordance with the principles of openness, fairness, and impartiality. The transaction pricing policy and pricing basis are determined by reference to market prices, and there is no behavior that harms the interests of the Company and its shareholders. It will not have an adverse impact on the financial situation or operating results.
- Impact on Independence. The estimated amount of these related transactions accounts for a small proportion of the Company's business, and does not affect the Company's independence. The Company is not dependent on these related parties. V. Documents for Inspection
- Resolution of the 13th Meeting of the 9th Board of Directors of the Company;
- Resolution of the 1st Special Meeting of Independent Directors in 2026. Hereby announced. Shanghai Weiertai Industrial Automation Co., Ltd. Board of Directors April 29, 2026