Securities code: 688525 Securities abbreviation: BIWIN Storage Announcement No.: 2024-096

Shenzhen BIWIN Storage Technology Co., Ltd

Announcement on the progress of the provision of guarantees for wholly-owned subsidiaries

The board of directors and all directors of the company guarantee that there are no false records, misleading statements or material omissions 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:

Name of the guarantor: Guangdong Tailai Packaging and Testing Technology Co., Ltd. (hereinafter referred to as "Tailai Technology"), a wholly-owned subsidiary of Shenzhen BIWIN Storage Technology Co., Ltd. (hereinafter referred to as the "Company")

The amount of the guarantee and the balance of the guarantee actually provided for it: The amount of the guarantee provided by the company for its wholly-owned subsidiary, Tailai Technology, is RMB 100 million. As of the disclosure date of this announcement, the balance of the guarantee provided by the company for Taylor Technology is RMB 1.3 billion (excluding this guarantee).

Whether there is a counter-guarantee for this guarantee: None

Cumulative amount of overdue external guarantees: None

The guarantee amount is within the scope of the approval of the 21st meeting of the third board of directors of the company and the second extraordinary general meeting of shareholders in 2024.

1. Overview of the guarantee

In order to meet the capital needs of the daily operation of its wholly-owned subsidiary, Tailai Technology, recently signed a "Comprehensive Credit Contract" with Bank of Beijing Co., Ltd. Shenzhen Branch, with a maximum credit line of RMB 100 million, a maximum loan term of no more than 12 months for each loan, and a withdrawal period of 12 months from the date of the contract. The company signed the "Maximum Guarantee Contract" with Bank of Beijing Co., Ltd. Shenzhen Branch

The loan applied by Lailai Technology to the bank provides joint and several liability guarantee, and the maximum amount of guarantee provided by the company to Tailai Technology is RMB 100 million.

The above guarantee amount will be held at the 21st meeting of the 3rd board of directors of the company and the second temporary shares in 2024

Within the scope of the approval quota of the Oriental General Assembly, the specific content is detailed in the company's Shanghai Stock Exchange on August 23, 2024

The "Announcement on Adjusting the Estimated Amount of Comprehensive Credit and Provision of Guarantee in 2024" disclosed on the website (www.sse.com.cn).

2. Basic information of the guarantor

1. The name of the guarantor: Guangdong Tailai Sealing and Testing Technology Co., Ltd

2. Date of establishment: December 21, 2016

3. Registered capital: RMB 493 million

4. Registration location: No. 8-1 Yuanhui Road, Chenjiang Street, Zhongkai High-tech Zone, Huizhou City

5. Legal representative: He Han

6. Business scope: general projects: integrated circuit manufacturing; integrated circuit sales; integrated circuit chip and product manufacturing; sales of integrated circuit chips and products; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; Import and export of goods. (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: Tailai Technology is a wholly-owned subsidiary of the company, and the company holds 100% of its equity.

8. Major contingencies affecting the solvency of the guarantor: none

9. Whether the guarantor is a dishonest judgment debtor: No

10. Financial indicators for the latest year and period:

Unit: RMB/10,000 yuan

Item December 31, 2023 (Audited) June 30, 2024 (Unaudited)

Total assets 148,864.92 149,510.39

Total liabilities 130,682.69 98,445.86

Net assets 18,182.24 51,064.53

Projects January-December 2023 (audited) January-June 2024 (unaudited)

Operating income 102,162.27 41,736.36

Total profit -790.56 3,021.32

Net profit -578.63 2,777.06

Deducting non-recurring losses -579.78 2982.20

Net profit after profit

Note: The financial data for December 31, 2023 / January to December 2023 have been obtained by Tianjian Certified Public Accountants (Special General Cooperation

Audits; June 30, 2024 / January-June 2024 financial data is unaudited.

3. The main content of the security agreement

The main contents of the "Maximum Guarantee Contract" signed between the company and Bank of Beijing Co., Ltd. Shenzhen Branch are as follows:

1. Creditor: Bank of Beijing Co., Ltd. Shenzhen Branch

2. Debtor: Guangdong Tailai Sealing and Testing Technology Co., Ltd

3. Guarantor: Shenzhen BIWIN Storage Technology Co., Ltd

4. Guarantee method: joint and several liability guarantee

5. The maximum amount of guaranteed creditor's rights: RMB 100 million.

6. Scope of guarantee: The secured main claim under this contract (scope of guarantee) is all the claims of Bank of Beijing (and other branches of Bank of Beijing Co., Ltd. that have obtained the status of creditor according to the main contract) under the main contract, including the principal of the main claim (the maximum limit is the amount of RMB in the currency capitalized [100 million]) and interest, penalty interest, compound interest, liquidated damages, damages, and expenses for realizing claims and security rights (including but not limited to litigation/arbitration costs, appraisal/appraisal/auction and other disposal costs, etc.). attorney's fees, investigation and evidence collection costs, travel expenses and other reasonable expenses) and other payments, the total maximum amount of claims is subject to the actual situation. The claims of Bank of Beijing arising out of the rescission, revocation or termination of the main contract or any part thereof are also included in the scope of the above-mentioned guarantee.

7. Guarantee period: The guarantee period under this contract is three years from the date of expiration of the performance period of the guaranteed debt under the main contract (including the expiration of the agreed period and the early expiration in accordance with the agreement or the provisions of laws and regulations).

4. The reason and necessity of the guarantee

The company provides a guarantee for Tailai Technology to meet the capital needs of Tailai Technology's daily operation. The above-mentioned guarantee is conducive to enhancing the financing ability of Tailai Technology and providing corresponding financial support for it, which is conducive to the stability of its daily operation and is in line with the company's overall development strategy.

The guaranteed party is a wholly-owned subsidiary of the company, the company has full control over the operation and management and financial aspects of Tailai Technology, can timely grasp its credit status, default risk and financial risk are within the company's controllable range, the company provides guarantee for it will not have a significant impact on the company's daily operation, will not damage the interests of the company and all shareholders, so Tailai Technology did not provide counter-guarantee.

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

As of the disclosure date of this announcement, the total external guarantee of the company and its holding subsidiaries is 5 billion yuan, which are all guarantees provided by the company for the subsidiaries within the scope of the consolidated financial statements, and the total guarantee accounts for 259.30% and 78.96% of the company's latest audited net assets and total assets attributable to the parent company. The balance of the guarantee provided by the company to the holding subsidiary is 2.3 billion yuan (including this guarantee), and the balance of the guarantee accounts for 119.28% and 36.32% of the company's latest audited net assets and total assets attributable to the parent company, respectively. The company has no overdue external guarantee and external guarantee involving litigation.

The announcement is hereby made.

Board of Directors of Shenzhen BIWIN Storage Technology Co., Ltd

December 24, 2024