Chongqing Zaisheng Technology Co., Ltd. Progress Announcement on Using Part of Its Temporarily Idle Own Funds for Cash Management

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Stock code: 603601 Stock abbreviation: ZaiSheng Technology Announcement No.: Lin 2026-030

Chongqing ZaiSheng Technology Co., Ltd.

Progress Announcement on the Use of Some Temporarily Idle Self-owned Funds

for Cash Management

The board of directors of the Company and all directors hereby guarantee that there are no false records, misleading statements, or material omissions in the contents of this announcement, and assume legal responsibility for the truthfulness, accuracy, and completeness of the contents.

Key Matters to Note:

● Basic Information

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● Risk Warning

The investment products purchased in this transaction are products sold by financial institutions with legitimate operating qualifications and with overall risk under control, high safety, and good liquidity. However, the financial market is highly affected by macroeconomic conditions, and it cannot be ruled out that the relevant investment products may be affected by factors such as market risk, credit risk, policy risk, liquidity risk, and risk of force majeure, resulting in fluctuations in the expected rate of return on the investment products and even impairment of principal. Investors are kindly requested to pay attention to risks.

I. Details of Redemption Upon Maturity of Cash Management Products

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II. Basic Information on the Cash Management

(A) Procedures Completed for Deliberation

On March 31, 2026, Chongqing ZaiSheng Technology Co., Ltd. (hereinafter referred to as the “Company” or “ZaiSheng Technology”) successively convened the 2nd meeting of the Audit Committee of the Fifth Session of the Board of Directors in 2026 and the 31st meeting of the Fifth Session of the Board of Directors to deliberate and approve the “Proposal on the Use of Part of Temporarily Idle Self-owned Funds for Cash Management.” It was agreed that, without affecting the normal development of the main business, ensuring production and operation capital needs, and effectively controlling risks, the Company may use temporarily idle self-owned funds with a limit not exceeding RMB 80,000 million (inclusive) for cash management, and purchase investment products sold by financial institutions with legitimate operating qualifications that are risk-controllable, safe, and have good liquidity. The management period shall be within 12 months from the date on which this matter is approved by the Company’s board of directors; within the above use period and limit range, the funds may be used in a revolving and rolling manner. For details, please refer to the “ZaiSheng Technology Announcement on the Use of Part of Temporarily Idle Self-owned Funds for Cash Management” (Announcement No.: Lin 2026-028), published by the Company on April 1, 2026 on the website of the Shanghai Stock Exchange (www.sse.com.cn) and in the designated information disclosure media.

(B) Purpose of Cash Management

To improve the efficiency of fund utilization and achieve the maximization of shareholders’ interests, under the premise of not affecting the normal development of the main business and ensuring daily production and operation capital needs, and effectively controlling risks, the Company uses part of temporarily idle self-owned funds for cash management, so as to further improve the utilization efficiency of the Company’s self-owned funds, which is beneficial for increasing the Company’s returns.

© Source of Funds

All funds used by the Company for cash management in this transaction are part of the Company’s temporarily idle self-owned funds.

III. Details of This Cash Management

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Note: From the establishment date of this trust plan to the date that is 10 business days after it, inclusive, is the trust plan’s closed period. The trustee has the right to terminate the closed period early by publishing an announcement. During the closed period, the trustee does not accept the trusteeor’s subscription, application for purchase, and redemption requests, and does not accept refunds and transfers from the trusteeor. Each business day after the closed period ends is an open day for this trust plan; on each such day, the trustee accepts the trusteeor’s subscription, application for purchase, and redemption requests.

IV. Impact on the Company and Measures Taken

(A) Impact on the Company

1. The Company’s use of temporarily idle self-owned funds for cash management is carried out on the premise that it complies with national laws and regulations and ensures that it does not affect the Company’s daily operations and capital safety; it will not affect the Company’s needs for daily capital turnover and will not affect the normal development of its main business.

2. By appropriately and timely conducting cash management with temporarily idle self-owned funds, it helps improve the efficiency of fund utilization, can obtain a certain amount of investment returns, and enables the Company and shareholders to seek more investment returns.

3. The Company’s purchase of cash management-type products will be handled in accordance with the provisions of “Accounting Standards for Business Enterprises No. 22—Recognition and Measurement of Financial Instruments.” The final accounting treatment shall be subject to the confirmation by the accounting firm.

(A) Risk Control Measures

1. The Company will promptly analyze and track the status of the investment products. Once it discovers or determines unfavorable factors, it will promptly report to the board of directors and take corresponding preservation measures in a timely manner to control risks. If major unfavorable factors occur, such as deterioration of the financial condition of the product issuing entity, or the yield of the purchased products being far below expectations, the Company will disclose it promptly;

2. The Company has formulated the “ZaiSheng Technology Cash Management System,” which clearly provides rules from aspects including approval authority and decision-making procedures, daily management and reporting system, as well as risk control and information disclosure, to further regulate the Company’s daily management of cash management products, ensure the safety of the Company’s funds and properties, effectively prevent investment risks, and protect the lawful rights and interests of shareholders and the Company;

3. The Company’s internal audit department is responsible for auditing the Company’s cash management business and supervising and verifying the accounting treatment by the Finance Department. At the end of each quarter, the internal audit department shall conduct a comprehensive inspection of wealth management products and report to the Audit Committee of the Board of Directors;

4. The Audit Committee of the Board of Directors conducts daily inspections of the above use of idle self-owned funds to purchase investment products;

5. Independent directors have the right to supervise and inspect the operation of the above use of idle self-owned funds to purchase investment products; if necessary, they may engage professional institutions to conduct audits;

6. The Company will, in accordance with relevant provisions of the Shanghai Stock Exchange, disclose the progress of the purchase and returns of wealth management products, and disclose, in periodic reports, the cash management investments during the reporting period and the corresponding gains and losses.

The product purchased for this Company cash management is a fixed-income cash management product with a proportion of investment in debt-type assets such as deposits and bonds of not less than 80%. The risk of this product is controllable and meets the Company’s internal capital management requirements.

V. Risk Warning

The targets of this Company’s cash management purchases using part of temporarily idle self-owned funds are investment products sold by financial institutions with overall risk under control, high safety, good liquidity, and legitimate operating qualifications. Overall, the risks are controllable. However, the financial market is highly affected by macroeconomic conditions, and it cannot be ruled out that the relevant investment products may be affected by factors such as market risk, credit risk, policy risk, liquidity risk, and risk of force majeure, leading to fluctuations in the rate of return of the investment products and even impairment of principal. Investors are kindly requested to pay attention to risks.

VI. As of the date of this announcement, the Company’s cash management using self-owned funds in the most recent twelve months

Unit: RMB Ten Thousand

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This announcement is hereby issued.

Board of Directors of Chongqing ZaiSheng Technology Co., Ltd.

April 4, 2026

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