LONGi Green Energy Technology Co., Ltd.

Stock Code: 601012 Stock Short Name: LONGi Green Energy Announcement No.: 2026-008

Bond Code: 113053 Bond Short Name: LONGi 22 Convertible Bond

Bond Code: 244101 Bond Short Name: GK LONGi 01

Bond Code: 244386 Bond Short Name: GK LONGi 02

LONGi Green Energy Technology Co., Ltd.

Progress Announcement on the Provision of Guarantees

The board of directors of this company and all its directors guarantee that there are no false records, misleading statements or material omissions in the contents of this announcement, and assume legal responsibility for the authenticity, accuracy and completeness of the contents.

Key Points in this Announcement:

● Guarantee Parties and Basic Information

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Note: The amount of the guarantee in foreign currency is converted into RMB using the mid-market exchange rate as of the end of March 2026. Unless otherwise stated, the currency of the amounts stated in this announcement is RMB.

● Total Guarantee Situation Cumulatively as of the End of March 2026

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● Other Explanations: In accordance with the disclosure rules of the Shanghai Stock Exchange, the Company shall, on a monthly basis, aggregate and disclose the progress of guarantees occurring within the Company’s annual guarantee budgeted scope.

I. Overview of Guarantee Progress

(I) Basic Information on New Guarantees Added in March 2026

1. Based on operational needs, the Company provides a joint and several liability guarantee for the credit facility of RMB 50.00 million applied for by its holding subsidiary, Wuxi LONGi Hydrogen Energy Technology Co., Ltd., with the guarantee period starting from the expiration date of the debt performance term under the main contract and extending for three years.

2. Based on operational needs, the Company opens bank letters of guarantee in the aggregate amount of RMB 486.8217 million for the daily operating business of its wholly owned subsidiaries, LONGi LeYe Photovoltaic Technology Co., Ltd. (hereinafter referred to as “LONGi LeYe”), Ordos LONGi Photovoltaic Technology Co., Ltd., Xianyang LONGi LeYe Photovoltaic Co., Ltd., Xi’an LONGi Clean Energy Co., Ltd., LONGi Solar Technology (U.S.) Inc., Longi Solar Poland sp. z o. o., LONGI (H.K.) TRADING LIMITED, LONGi Solar Technologie GmbH, LONGI SOLAR TECHNOLOGY SPAIN, S.L.U., and LONGI SOLAR TECHNOLOGY DMCC; and opens bank letters of guarantee in the aggregate amount of RMB 8.5484 million for the daily operating business of its holding subsidiary, Xi’an LONGi Hydrogen Energy Technology Co., Ltd. LONGi LeYe, as the Company’s wholly owned subsidiary, opens bank letters of guarantee in the aggregate amount of RMB 38.67M for the daily operating business of LONGI SOLAR TECHNOLOGY SPAIN, S.L.U., Longi Solar Australia Pty Ltd, and LONGI (H.K.) TRADING LIMITED. The specific guarantee terms shall be subject to the terms agreed in each letter of guarantee.

3. The Company’s wholly owned subsidiary, LONGi LeYe, provides performance guarantees in the aggregate amount of RMB 327.9764 million for the component sales business of its wholly owned subsidiary, LONGi Solar Technology (U.S.) Inc., with the guarantee period ending at the earliest occurrence among the following: (1) all delivery obligations under the contract are completed in accordance with the agreement; (2) the payment of liquidated damages due under the contract is completed; (3) the contract is terminated in accordance with the agreement.

(II) Internal Decision-Making Procedures

The sixth session of the board of directors’ 2025 fourth meeting and the 2025 second extraordinary general meeting considered and approved the proposals on (i) the estimated guarantee quotas between the Company and its subsidiaries for 2026, (ii) the proposal on providing guarantees to Xi’an LONGi Hydrogen Energy Technology Co., Ltd. and its subsidiaries for 2026 along with related-party transactions, and (iii) the proposal on providing guarantees for customers in distributed business. (For details, please refer to the relevant announcements disclosed by the Company on December 10, 2025 and December 27, 2025.) The newly added guarantee matters in this instance fall within the scope of authorization anticipated by the general meeting and the board of directors, and therefore do not require submission for further approval by the Company’s board of directors and the general meeting.

As of the end of March 2026, the Company and its subsidiaries’ estimated guarantee quotas for 2026 and their utilization are as follows:

Unit of Amount: RMB 10,000

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Note: In accordance with the principle of prudence, the guarantee amounts provided to end users of distributed business are included as guarantees in which the asset-liability ratio of the guarantee party is 70% or above.

II. Basic Information on the Guaranteed Parties

Please refer to the appendix.

III. Necessity and Reasonableness of the Guarantees

The above guarantee matters are intended to support the operational and development needs of the Company’s wholly owned and holding subsidiaries. The Company can effectively control the risks and decision-making related to the subsidiaries’ daily operations, and can promptly grasp their credit status, and the guarantee risks are controllable.

IV. Board of Directors’ Opinions

The above guarantee matters are intended to meet the Company’s and its subsidiaries’ needs for daily operations and business development, and are in line with the Company’s overall strategy. The related guarantees fall within the Company’s 2026 annual guarantee estimates and authorization scope, and therefore do not require separate submission for deliberation by the board of directors and the general meeting.

V. Total Number of External Guarantees and the Number of Past-Due Guarantees

As of the end of March 2026, the cumulative amount of guarantees provided by the Company and its subsidiaries was RMB 23.72B, accounting for 38.95% of the Company’s latest audited net assets attributable to shareholders. Among them, the guarantee amounts between the Company and subsidiaries within the scope of consolidated financial statements were RMB 23.36B. The Company has not provided guarantees to controlling shareholders, actual controllers, or their related parties, and there are no past-due guarantees.

Announcement is hereby given.

Board of Directors of LONGi Green Energy Technology Co., Ltd.

April 4, 2026

Appendix: Basic Information on Wholly Owned Subsidiaries Provided with Guarantees

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Note: The financial indicators of LONGi LeYe Photovoltaic Technology Co., Ltd., Xi’an LONGi Hydrogen Energy Technology Co., Ltd., and LONGI (H.K.) TRADING LIMITED are data from individual financial statements.

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