/Hebang Biotechnology’s progress announcement on providing guarantees
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Hebang Biotechnology’s progress announcement on providing guarantees

Shanghai Stock Exchange
2026/02/03

Securities code: 603077 Securities abbreviation: Hebang Biotechnology Announcement number: 2026-008 Bond code: 113691 Bond abbreviation: Hebang Convertible Bonds

Sichuan Hebang Biotechnology Co., Ltd.

Announcement on the progress of providing guarantees

The company's board of directors and all directors guarantee that the contents of this announcement do not contain any false records, misleading statements or major omissions, and assume legal responsibility for the authenticity, accuracy and completeness of its contents.

Important content reminder:

 Guaranteed objects and basic information

actually provided for

Is it estimated in the early stage? Is there a name of the guaranteed person in this guarantee? The amount of this guarantee? The balance of the guarantee (excluding the principal)

Counter-guarantee sub-guarantee amount within the limit)

Wujun Chongqing Light Energy Co., Ltd.

RMB 50,000,000 RMB 1,062,387,800 Yes No Company

 Cumulative guarantee status

Cumulative amount of overdue external guarantees (10,000 yuan) 0 Listed companies and their holdings as of the date of this announcement

733,676.52 Total external guarantees provided by subsidiaries (10,000 yuan)

The total amount of external guarantees accounted for the most recent period for listed companies.

  1. Proportion of audited net assets in the 39th period (%)

□The guarantee amount (including this time) exceeds 50% of the latest audited net assets of the listed company

□The total amount of external guarantees (including this one) exceeds 100% of the listed company’s latest audited net assets

Special risk warning (please check if applicable)

□The total amount of guarantees for units outside the consolidated statements (including this time) reaches or exceeds 30% of the latest audited net assets

□This time, guarantees will be provided to units with an asset-liability ratio exceeding 70%.

Other risk warnings (if any)

1. Overview of guarantee situation

(1) Basic information on guarantee

On January 4, 2026, the company signed the "Maximum Guarantee Contract" with the Chongqing Branch of China Everbright Bank Co., Ltd. to provide guarantee for the company's controlled subsidiary Wujun Chongqing Solar Energy Co., Ltd. (hereinafter referred to as "Chongqing Wujun"). The guarantee method is a joint liability guarantee. The maximum principal balance of the guaranteed principal creditor's rights is RMB 50 million. The guarantee period is three years from the expiration of the debt performance period. There is no counter-guarantee for this guarantee.

(2) Internal decision-making procedures

The company held the 24th meeting of the sixth board of directors on April 28, 2025, and the 2024 Annual General Meeting of Shareholders on May 26, 2025. The "Proposal on the Company's External Guarantee Authorization for 2025" was reviewed and approved. The total amount of guarantees provided by the company to its wholly-owned and controlled subsidiaries, and mutual guarantees between subsidiaries (including bank loan guarantees and other external financing guarantees) shall not exceed 6.00 billion yuan. Among them, the guarantee amount provided to guarantee objects with an asset-liability ratio of 70% and above shall not exceed 1.2 billion yuan; the guarantee amount provided to guarantee objects with an asset-liability ratio of less than 70% shall not exceed 4.8 billion yuan (of which the guarantee amount provided to Wujun Chongqing Solar Energy Co., Ltd. shall not exceed 1.8 billion yuan). For details, please refer to the relevant announcements disclosed by the company on the Shanghai Stock Exchange website (http://www.sse.com.cn) and designated media.

2. Basic information of the guaranteed person

(1) Basic information of Wujun Chongqing Solar Energy Co., Ltd.

Type of guaranteed person Legal person

Name of the guaranteed party Wujun Chongqing Solar Energy Co., Ltd.

Type of guaranteed party and listed company

Holding subsidiaries

Company shareholding status

It is a wholly-owned subsidiary of the company's controlled subsidiary Sichuan Wujun Solar Co., Ltd. (hereinafter referred to as "Wujun Solar" for the main shareholder and shareholding ratio). The company holds 99.75% of Wujun Solar.

equity

Legal representative Wang Huiwen

Unified social credit code 91500116MA61A7512Y

Date of establishment 2020-12-16

Registration place: F3-03/02, Baisha Industrial Park Development Center, Jiangjin District, Chongqing

Registered capital 1 million yuan

Company type Limited liability company (a sole proprietorship of a legal person invested or controlled by a natural person)

Licensed items: Import and export of goods (items that require approval according to law, business activities can only be carried out after approval by the relevant business scope departments, specific business items are listed in the relevant department’s

Approval documents or licenses shall prevail) General projects: solar power generation technical services, technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion, photovoltaic equipment and component manufacturing, photovoltaic equipment and component sales, glass manufacturing (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law)

September 30, 2025

Project December 31, 2024/January-September 2025 (not yet

/2024 (audited)

audited)

Total assets 317,465.55 349,843.89Main financial indicators (10,000 yuan)

Total liabilities 216,765.70 245,119.61 Net assets 100,699.85 104,724.28 Operating income 64,771.99 135,628.68 Net profit -4,082.92 -9,840.19

(2) The guaranteed person’s breach of trust

The guaranteed person, Chongqing Wu Jun, is not the person subject to execution for breach of trust.

3. Main contents of the guarantee agreement

The company signed the "Maximum Guarantee Contract" with the Chongqing Branch of China Everbright Bank Co., Ltd. to provide guarantee for the company's controlled subsidiary Chongqing Wujun. The guarantee method is a joint liability guarantee. The maximum principal balance of the guaranteed principal creditor's rights is RMB 50 million. The guarantee period is three years from the expiration of the debt performance period. There is no counter-guarantee for this guarantee.

4. Necessity and Reasonability of Guarantee

The company's guarantee for its subsidiaries is based on its existing development projects and the company's financial needs for development, and is in line with the company's overall interests and development strategy. The other minority shareholders of Chongqing Wujun did not provide the same proportion of guarantees because Chongqing Wujun is a company included in the company's consolidated statements. The company has control over its operation, management, finance and other aspects, and the guarantee risk is within the company's controllable range.

5. Opinions of the Board of Directors

On April 28, 2025, the 24th meeting of the company's sixth board of directors reviewed and approved the "Proposal on the Company's External Guarantee Authorization for 2025" with 9 votes in favor, 0 votes against, and 0 abstentions.

6. Cumulative number of external guarantees and number of overdue guarantees

As of January 31, 2026, the total amount of external guarantees provided by the company and its subsidiaries (the total guarantee refers to the sum of the unused limit of the guarantee limit approved by the shareholders’ meeting and the actual balance of the guarantee) was 7.337 billion yuan, accounting for 39.39% of the company’s latest audited net assets; the company’s total guarantees for wholly-owned and controlled subsidiaries, and mutual guarantees between subsidiaries were 7.337 billion yuan, accounting for 39.39% of the company’s latest audited net assets. The company and its subsidiaries have no overdue guarantees, nor have they provided guarantees to controlling shareholders, actual controllers and their related parties.

Announcement is hereby made.

Board of Directors of Sichuan Hebang Biotechnology Co., Ltd.

February 3, 2026