Sanwei Holdings Group Co., Ltd. Announcement on the Extension of Repurchase of Pledged Shares by Controlling Shareholder

Stock Code: 603033 Stock Abbreviation: Sandi Shares Announcement No.: 2026-009

Sandi Holdings Group Co., Ltd.

Announcement on the Extension of Repurchase of Pledged Shares by Controlling Shareholder

The company’s board of directors and all directors guarantee that the content of this announcement contains no false records, misleading statements, or major omissions, and bear individual and joint responsibility for its authenticity, accuracy, and completeness.

Important Content Reminders:

● Sandi Holdings Group Co., Ltd. ( hereinafter referred to as “the Company” ), controlling shareholder and one of the actual controllers, Ms. Zhang Guiyu, holds 64,923,040 shares of the company, accounting for 6.30% of the total share capital. Ms. Zhang Guiyu has pledged a total of 36,755,900 shares, accounting for 56.61% of her holdings and 3.56% of the total share capital.

● The company’s controlling shareholder and actual controller, Mr. Ye Jiyue, and his concerted action, Ms. Zhang Guiyu, collectively hold 387,873,012 shares, accounting for 37.62% of the total share capital. Mr. Ye Jiyue and his concerted action, Ms. Zhang Guiyu, have pledged a total of 213,636,900 shares, accounting for 55.08% of their holdings and 20.72% of the total share capital.

I. Specifics of the Extension of Repurchase of Pledged Shares in this Stock Pledge Repurchase Transaction

Recently, the company received notice from Ms. Zhang Guiyu, one of the controlling shareholders and actual controllers, that she has extended the repurchase of 7,605,000 unrestricted circulating shares pledged to Zheshang Securities Co., Ltd., with the pledge period extended to March 24, 2027. The details are as follows:

1. Pledge details involved in this extension

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2. The pledged shares in this extension have not been used as guarantees or other security purposes for major asset restructuring, performance compensation, etc.

3. Pledged shares of shareholders:

As of the disclosure date of this announcement, the total pledged shares of Mr. Ye Jiyue and his concerted action, Ms. Zhang Guiyu, are as follows:

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II. Pledge Situation of Shares Held by the Company’s Controlling Shareholder

1. As of the disclosure date of this announcement, the number of pledged shares maturing within the next six months held by Ms. Zhang Guiyu is 23,000,900 shares, accounting for 35.43% of her holdings and 2.23% of the total share capital, with a financing balance of 101.8 million yuan. The number of pledged shares maturing within the next year is 36,755,900 shares, accounting for 56.61% of her holdings and 3.56% of the total share capital, with a financing balance of 176.8 million yuan. Mr. Ye Jiyue has no pledged shares maturing within the next six months or year. Both Mr. Ye Jiyue and Ms. Zhang Guiyu have good credit conditions, strong risk control capabilities, and repayment sources including salary income, stock dividends, and investment returns.

2. As of the disclosure date of this announcement, the controlling shareholder Mr. Ye Jiyue and his concerted action, Ms. Zhang Guiyu, do not have any violations such as non-operating capital occupation, illegal guarantees, or related-party transactions that harm the interests of the listed company.

3. Impact of the pledge matters of controlling shareholders and their concerted actions on the listed company

(1) The risk of this extension of the stock pledge repurchase transaction is controllable, and it does not affect the company’s production and operation, financing credit, financing costs, or ongoing operational capacity.

(2) Up to now, there is no risk of forced liquidation or margin calls in this extension of the stock pledge repurchase transaction, nor are there any substantial factors that could lead to a change in the company’s actual control. If risks arise in the future, controlling shareholder Mr. Ye Jiyue and his concerted action, Ms. Zhang Guiyu, will take measures such as additional margin or early repayment. The company will disclose relevant information in a timely manner according to regulations. Investors are advised to pay attention to investment risks.

4. The funds raised from this extension of the stock pledge repurchase transaction by controlling shareholder and one of the actual controllers, Ms. Zhang Guiyu, are mainly used for her own production and operation. The repayment sources include stock dividends and investment income.

If there are any other major changes to the above matters, the company will disclose relevant information in a timely manner according to regulations. Investors are advised to be cautious of investment risks.

This announcement is hereby made.

Sandi Holdings Group Co., Ltd.

Board of Directors

March 26, 2026