Securities code: 688126 Securities abbreviation: Shanghai Silicon Industry Announcement No.: 2025-005

Shanghai Silicon Industry Group Co., Ltd

Announcement on the provision of guarantees for holding subsidiaries

The board of directors and all directors of the company guarantee that there is no false record, misleading statement or material omission in the content of this announcement, and assume legal responsibility for the authenticity, accuracy and completeness of its content in accordance with the law.

Important Content Notes:

Guarantor: Taiyuan Jinke Silicon Material Technology Co., Ltd. (hereinafter referred to as "Jinke Silicon Materials"), the company

Holding subsidiary.

The amount of the guarantee and the balance of the guarantee that has actually been provided for it: the company intends to provide Jinke silicon materials this time

guarantees not exceeding RMB3.6 billion; As of the date of this announcement, the company has not provided any guarantee to it.

Is there a counter-guarantee for this guarantee: No

The guarantee matters still need to be submitted to the general meeting of shareholders of the company for deliberation.

1. Overview of the guarantee

(1) An overview of the situation

Due to the needs of business development, Jinke Silicon Materials, a holding subsidiary of Shanghai Silicon Industry Group Co., Ltd. (hereinafter referred to as the "Company"), intends to apply for a loan from the bank, and the Company intends to provide joint and several liability guarantee for it, with a total guarantee of no more than RMB 3.6 billion.

(2) Examination and approval procedures

The company held the 25th meeting of the second board of directors on February 11, 2025, and deliberated and passed the "Proposal on Providing Guarantees for Holding Subsidiaries". According to the Listing Rules of the Science and Technology Innovation Board of the Shanghai Stock Exchange, the Articles of Association and other relevant regulations, the external guarantee matters still need to be submitted to the general meeting of shareholders of the company for deliberation and approval.

2. Basic information of the guarantor

1. Company name: Taiyuan Jinke Silicon Material Technology Co., Ltd

2. Date of establishment: July 15, 2024

3. Registered capital: 550,000 (yuan)

4. Registered address: No. 69, Baiban Road, Zhongbei High-tech Industrial Development Zone, Taiyuan City, Shanxi Province

5. Legal representative: Li Wei

6. Business scope: general projects: semiconductor discrete device manufacturing; sales of semiconductor discrete devices; manufacturing of special electronic materials; sales of special electronic materials; research and development of special electronic materials; manufacturing of electronic components; manufacturing of other electronic devices; integrated circuit manufacturing; integrated circuit sales; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; import and export of goods; technology import and export; business management consulting; Rental of machinery and equipment. (Except for projects subject to approval in accordance with the law, independently carry out business activities with a business license in accordance with the law)

7. Equity structure: The company indirectly holds 45.46% of its equity through its wholly-owned subsidiary, Shanghai Xinsheng Semiconductor Technology Co., Ltd.

8. Main financial data of the most recent fiscal year (unaudited): As of December 31, 2024, the total assets of Jinke Silicon Materials were 3425.0551 million yuan and the net assets were 2956.4785 million yuan; In 2024, the operating income will be 20.1661 million yuan, and the net profit will be -93.5215 million yuan.

3. The main content of the security agreement

At present, the company has not signed the relevant guarantee agreement, and the total amount of the above-mentioned plan guarantee is only the guarantee amount that the company intends to provide. When the actual loan and guarantee occur, the guarantee amount, guarantee period, guarantee rate and other contents shall be determined by the company and its subsidiaries and the lending bank through joint negotiation within the above limit, and the relevant guarantee matters shall be subject to the duly signed guarantee documents.

At the same time, the general meeting of shareholders of the company is requested to authorize the chairman of the board of directors of the company and his authorized persons to handle the specific matters of providing guarantee within the scope of the guarantee amount according to the needs of the company's actual business situation.

4. The reason and necessity of the guarantee

The company's provision of guarantees for its holding subsidiaries is conducive to improving the company's overall financing efficiency, meeting the needs of the subsidiary's daily operation and project construction funds, and contributing to the company's sustainable development. Jinke Silicon Materials, the guaranteed object, is a holding subsidiary within the scope of the consolidated statements, with stable production and operation, good asset credit, no overdue guarantees, and overall controllable guarantee risks.

5. The cumulative amount of external guarantee and the amount of overdue guarantee

As of the disclosure date of this announcement, excluding the guarantee matters, the total external guarantee of the company is RMB 5421.03 million (including 3421.03 million yuan for the wholly-owned subsidiary and 200,000 yuan for the holding subsidiary), accounting for 35.87% and 18.67% of the latest audited net assets and total assets of the listed company respectively.

There is no overdue guarantee of the company.

The announcement is hereby made.

Board of Directors of Shanghai Silicon Industry Group Co., Ltd

February 13, 2025