Sunrise East Holdings Co., Ltd. Progress Announcement on the Progress of Providing Guarantee for the Fully-Owned Subsidiary

Stock Code: 603366 Stock Short Name: Sunrise Oriental Announcement No.: 2026-008

Sunrise Oriental Holding Co., Ltd.

Announcement on Progress Regarding Providing Guarantees for Wholly Owned Subsidiaries

The board of directors of the Company and all directors guarantee that the contents of this announcement do not contain any false records, misleading statements, or material omissions, and assume legal responsibility for the truthfulness, accuracy, and completeness of the contents.

Key Matters to Note:

● Guaranteed Parties 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, in order to meet the funding needs for the day-to-day business operations of the Company’s wholly owned subsidiary, Sunrise Oriental Holding Co., Ltd. (hereinafter referred to as the “Company”) provided guarantees for its subsidiaries. The specific details are as follows:

1. The Company entered into a “Guarantee Contract” with the Lianyungang Branch of Nanjing Bank Co., Ltd. (hereinafter referred to as the “Lianyungang Branch of Nanjing Bank”). Under the main contract “Bank Letter of Guarantee Agreement” signed by Jiangsu Siji Muge Co., Ltd. (hereinafter referred to as “Jiangsu Siji Muge”) and the Lianyungang Branch of Nanjing Bank, the Company provides a joint and several liability guarantee for the performance of the obligations under the main contract. The principal amount of the guaranteed debt is RMB 15,000,000. The actual guarantee amount provided this time is RMB 15,000,000. There is no counter-guarantee.

2. The Company entered into a “Maximum Amount Guarantee Contract” with the Lianyungang Branch of Bank of China (hereinafter referred to as the “Lianyungang Branch of Bank of China”). Under the main contract “Credit Line Letter of Agreement” signed by Sunrise Oriental Electric Power Technology Co., Ltd. (hereinafter referred to as “Electric Power Technology”) and the Lianyungang Branch of Bank of China, the Company provides a joint and several liability guarantee for the performance of the obligations under the main contract. The maximum principal amount of the guaranteed debt is RMB 70,000,000. The actual guarantee amount the Company provided for it this time is RMB 69.98744 million. There is no counter-guarantee.

3. The Company entered into a “Maximum Amount Guarantee Contract” with the Lhasa Branch of China Citic Bank Co., Ltd. (hereinafter referred to as the “Lhasa Branch of China Citic Bank”). Under the “Renminbi Working Capital Loan Contract” signed by Tibet Sunrise Oriental Acon Clean Energy Co., Ltd. (hereinafter referred to as “Tibet Acon”) and the Lhasa Branch of China Citic Bank, the Company provides a joint and several liability guarantee for the performance of the obligations under that contract. The maximum principal amount of the guaranteed debt is RMB 70,000,000. The actual guarantee amount the Company provided for it this time is RMB 70,000,000. There is no counter-guarantee.

(2) Internal Approval Procedures

The Company held the 21st meeting of the fifth session of the board of directors on April 29, 2025 and the 2024 annual general meeting of shareholders on May 22, 2024, respectively, and considered and approved the resolution on “the Company and its Subsidiaries Applying for Comprehensive Credit Lines from Financial Institutions in 2025 and Providing Guarantees for Subsidiaries.” It agreed to provide guarantees of no more than RMB 3.6 billion for the Company and its subsidiaries directly or indirectly holding a controlling interest. The guarantee term shall run from the date the 2024 annual general meeting of shareholders approves it until the date the 2025 annual general meeting of shareholders is held. For details, please refer to the Company’s announcement disclosed on April 30, 2025, namely “Announcement of Sunrise Oriental Holding Co., Ltd. on Applying for Comprehensive Credit Line Facilities with Financial Institutions in 2025 and Providing Guarantees for Subsidiaries” (Announcement No.: 2025-011).

II. Basic Information of the Guaranteed Parties

(1) Basic Information

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III. Main Contents of the Guarantee Agreements

(1) Guarantee Contract between the Company and the Lianyungang Branch of Nanjing Bank

Guarantor: Sunrise Oriental Holding Co., Ltd.

Guaranteed party: Jiangsu Siji Muge Co., Ltd.

Creditor: Lianyungang Branch of Nanjing Bank Co., Ltd.

Guarantee method: joint and several liability guarantee

Guarantee amount: RMB 15,000,000

Scope of guarantee: the principal claim and interest (including compound interest and default interest, the same hereinafter), liquidated damages, damages for breach, other amounts payable by the debtor under the main contract, and expenses incurred by Party A to realize the creditor’s rights. As used in the main contract, “expenses incurred by Party A to realize the creditor’s rights” includes, without limitation, lawyer fees, litigation fees, arbitration fees, appraisal fees, property preservation fees, execution fees, notarization fees, valuation fees, auction fees, announcement fees, service fees, travel expenses, insurance fees, storage and custody fees, inquiry fees, deposit and redemption fees, transfer fees and taxes, remittance fees, fees for keeping the guaranteed property and realizing the security interest over the collateral, etc.

Guarantee period: three years from the expiration of the performance period of the obligations under the main contract. If the creditor’s rights under the main contract are postponed, the guarantee period shall be three years from the expiration of the performance period of the postponed obligations as newly agreed in the postponement agreement; if the obligations under the main contract become due in installments, then for each installment of obligations, the guarantee period shall be three years from the expiration of the performance period of that installment’s obligations; if Party A, pursuant to laws, regulations, rules, and the provisions of the main contract, realizes the creditor’s rights early or terminates the main contract, then the guarantee period shall be three years from the date the obligations become due early, or three years from the date the main contract is terminated.

Counter-guarantee: none

(2) Guarantee Contract between the Company and the Lianyungang Branch of Bank of China

Guarantor: Sunrise Oriental Holding Co., Ltd.

Guaranteed party: Sunrise Oriental Electric Power Technology Co., Ltd.

Creditor: Lianyungang Branch of Bank of China Co., Ltd.

Guarantee method: joint and several liability guarantee

Guarantee amount: RMB 70,000,000

Scope of guarantee: including the principal amount of the main creditor’s claim (including the principal amount of the precious metal lease receivable and the RMB amount calculated and converted according to the provisions of the precious metal lease contract), interest, precious metal lease fees and personalized service fees, compound interest, default interest, liquidated damages, damages for breach, fees for fluctuations in the weight of precious metal lease out (overage and shortage), exchange rate losses (related losses arising from exchange rate changes), related losses arising from changes in the precious metal price, transaction fees and other expenses arising from the lessor of the precious metal lease exercising the corresponding rights generated under the main contract, and the costs for realizing the creditor’s rights (including, without limitation, litigation fees, lawyer fees, etc.).

Guarantee period: under this Contract, the guarantee period for the guaranteed debt shall be calculated separately for each debt on a per-transaction basis, and the guarantee period for each debt shall be three years from the expiration date of the performance period of that debt. During this guarantee period, the creditor shall have the right to, for all or part of the main creditor’s claims involved, for multiple or single claims, require the guarantor to assume guarantee liability jointly or separately.

Counter-guarantee: none

(4) Guarantee Contract between the Company and the Lhasa Branch of China Citic Bank

Guarantor: Sunrise Oriental Holding Co., Ltd.

Guaranteed party: Tibet Sunrise Oriental Acon Clean Energy Co., Ltd.

Creditor: Lhasa Branch of China Citic Bank Co., Ltd.

Guarantee method: joint and several liability guarantee

Guarantee amount: RMB 70,000,000

Scope of guarantee: includes the principal creditor’s claim, interest, default interest, compound interest, liquidated damages, damages for breach, interest on debts during the period of delayed performance, delayed performance payment, and expenses for realizing creditor’s rights (including, without limitation, litigation fees, arbitration fees, lawyer fees, travel expenses, appraisal fees, transfer fees, preservation fees, announcement fees, notarization and certification fees, translation fees, execution fees, preservation insurance premiums, etc.), as well as all other payable expenses under the main contract.

Guarantee period: three years from the expiration date of the performance period of the obligations under the main contract, namely from three years from the expiration date of the performance period of the obligations as agreed in the relevant specific business contract by the debtor. The guarantee period under each relevant specific business contract is calculated separately.

Counter-guarantee: none

IV. Necessity and Reasonableness of the Guarantee

This guarantee is mainly to meet the subsidiaries’ daily operational needs and to ensure their continuous and steady development. This guarantee complies with the Company’s overall interests and development strategy. The guaranteed company is the Company’s wholly owned subsidiary. Its credit standing is good. The Company can fully understand the operation and management of the guaranteed party, and has absolute control over major matters decision-making and day-to-day operation management. The guarantee risks are controllable, and there is no situation that would harm the interests of the Company or its shareholders. The guarantee is necessary and reasonable.

V. Board of Directors’ Opinion

The guarantee amount provided by the Company for its wholly owned subsidiaries and the cumulative guarantee amount after this guarantee are both within the quota approved at the 21st meeting of the fifth session of the board of directors and the 2024 annual general meeting of shareholders, so it does not require further submission to the board of directors or the general meeting of shareholders for approval. The board believes that providing guarantees to controlling subsidiaries within the scope of consolidated financial statements is to meet their business development needs, can effectively reduce their financing costs, and aligns with the Company’s overall development requirements.

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

As of the date of disclosure of this announcement, the Company and its wholly owned subsidiaries’ outstanding external guarantee balance is RMB 102,633.74 million, all of which are guarantees provided by the Company for its wholly owned subsidiaries and its subsidiaries. The proportion to the Company’s net assets audited in the most recent period is 24.66%. The Company does not provide guarantees to controlling shareholders or de facto controllers and their related parties, and there are no overdue guarantees.

This announcement is hereby given.

Board of Directors of Sunrise Oriental Holding Co., Ltd.

April 1, 2026

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