Announcement of Shanghai Haixin Group Co., Ltd. on Providing Security for Its Holding Subsidiaries

Stock Code: 600851/900917 Stock Short Name: HaiXin Co., Ltd./HaiXin B Shares Announcement No.: 2026-007

Shanghai HaiXin Group Co., Ltd.

Announcement on Providing Guarantees for Subsidiaries

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

Key Matters and Notes:

● Guarantee Targets and Basic Information

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● Cumulative Guarantee Situation

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I. Overview of the Guarantee

(1) Basic Information of the Guarantee

Recently, Shanghai HaiXin Group Co., Ltd. (hereinafter referred to as the “Company”)’s controlling subsidiary, Xi’an HaiXin Pharmaceutical Co., Ltd. (hereinafter referred to as “Xi’an HaiXin”), entered into a Credit Facility Agreement (applicable to the circumstances where no separate loan contract is required for working capital loans) (hereinafter referred to as the “Credit Facility Agreement”) with the Xi’an Branch of China Merchants Bank Co., Ltd. (hereinafter referred to as the “Xi’an Branch of CMB”). Under the Credit Facility Agreement, the Xi’an Branch of CMB will provide Xi’an HaiXin with a credit facility of RMB 15M.

The Company and the Xi’an Branch of CMB entered into a Maximum Amount Irrevocable Guarantee Letter. According to the shareholding proportion, the Company shall assume joint and several guarantee liability for 55% of all debts owed by Xi’an HaiXin under this credit facility to the Xi’an Branch of CMB (with a maximum limit of RMB 8.25 million).

(2) Internal Decision-Making Procedures

The authorization for this guarantee has been considered and approved at the Eighth Meeting of the Eleventh Session of the Board of Directors of the Company and at the 2024 Annual General Meeting of Shareholders. The authorized amounts are as follows:

Unit: RMB ten thousand

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For details, please refer to the “Announcement on the Guarantee Plan for 2025” (Announcement No.: 2025-010) disclosed by the Company on April 19, 2025 on the website of the Shanghai Stock Exchange (www.sse.com.cn).

II. Basic Information of the Guaranteed Party

(1) Basic Information

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III. Main Terms of the Guarantee Agreement

Guarantee Amount: RMB 8.25 million. Xi’an HaiXin applies for a working capital loan of RMB 15.00 million. The Company provides a joint and several guarantee liability in the proportion of 55% of the loan amount (RMB 8.25 million).

Guarantee Method: Joint and several guarantee liability.

Guarantee Scope: 55% (with a maximum limit of RMB 8.25 million) of the sum of the loans and other outstanding principal balances of credit extended to Xi’an HaiXin within the credit facility limit pursuant to the Credit Facility Agreement, as well as the related interest, penalty interest, compound interest for delayed payment, liquidated damages, overdue performance fees, factoring fees, fees for realizing the guarantee rights and creditor’s rights, and other related fees.

Guarantee Term: The term of the Credit Facility Agreement is one year (i.e., from March 26, 2026 to March 25, 2027). The guarantee period under the Maximum Amount Irrevocable Guarantee Letter is three years from the date on which the performance period of the principal contract expires.

IV. Necessity and Reasonableness of the Guarantee

This guarantee is a necessary measure to meet the daily operating needs of Xi’an HaiXin. It is beneficial to its sound operation and long-term development. The performance of this guarantee has a positive role in the development of the subsidiary and improvement of its returns/benefits. The guarantee risk is controllable and will not harm the interests of the Company and its shareholders.

V. Board of Directors’ Opinion

The board of directors believes that the guaranteed party is a subsidiary within the scope of the Company’s consolidated financial statements; its guarantee risk is controllable, and there is no violation or improper guarantee. The Company’s provision of guarantee will help the guaranteed party further raise funds, meet the capital needs for business development, and is consistent with the overall interests of the Company. It will not harm the interests of the Company and its minority shareholders.

VI. Cumulative Number of External Guarantees and Number of Overdue Guarantees

As of the date of disclosure of this announcement, the Company has actually provided a total guarantee amount of RMB 138.25 million for controlling subsidiaries, accounting for 3.19% of the Company’s net assets of RMB 15M audited for the 2024 fiscal year. There are no overdue external guarantees, and no external guarantees involving litigation.

This announcement is hereby given.

Shanghai HaiXin Group Co., Ltd.

Board of Directors

April 2, 2026

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