Xinte Energy Co., Ltd. — Proxy Solicitation & Information Statement 2026

May 22, 2026

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this notice, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this notice.

新特能源

XINTE ENERGY CO., LTD.

新特能源股份有限公司

(A joint stock company incorporated in the People's Republic of China with limited liability)

(Stock code: 1799)

NOTICE OF 2025 ANNUAL GENERAL MEETING

NOTICE IS HEREBY GIVEN that the annual general meeting of 2025 (the "AGM") of Xinte Energy Co., Ltd. (the "Company") will be held physically at the Conference Room, R&D Building, No. 2249, Zhongxin Street, Ganquanpu Economic and Technological Development Zone (Industrial Park), Urumqi, Xinjiang, the People's Republic of China (the "PRC") at 11:00 a.m. on Tuesday, 16 June 2026 to consider and approve the following matters:

ORDINARY RESOLUTIONS

To consider and approve the following ordinary resolutions:

1. To consider and approve the report of the board of directors of the Company (the "Board") for the year 2025;
2. To consider and approve the final financial accounts of the Company for the year 2025;
3. To consider and approve the profit distribution plan of the Company for the year 2025;
4. To consider and approve the Company's annual report for the year 2025;
5. To consider and approve the allowance plan for directors of the Company for the year 2026;
6. To consider and approve the re-appointment of SHINEWING Certified Public Accountants LLP as the Company's auditor for the year 2026, and to authorize the Board to determine its remuneration;
7. To consider and approve the provision of guarantees for subsidiaries by the Company; and
8. To consider and approve the proposed appointment of independent non-executive director.

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SPECIAL RESOLUTIONS

To consider and approve the following special resolutions:

1. To consider and approve the granting of a general mandate to the Board to issue, allot and deal with new Shares and/or to sell or transfer the treasury shares of the Company, with the total number of the Shares not exceeding 20% of the total issued Shares (excluding treasury shares) of the Company, and to authorize the Board to make amendments to the articles of association of the Company (“Articles”) as it thinks fit so as to reflect the new share capital structure upon the allotment or issue of additional shares pursuant to such mandate:

“THAT:

(A) (a) subject to paragraph (c) and in accordance with the relevant requirements of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited, the Articles and relevant laws and regulations of the PRC, the exercise by the Board during the Relevant Period (as hereinafter defined) of all the powers of the Company to allot, issue or deal with additional Shares of the Company and/or to sell or transfer the treasury shares of the Company and to make or grant offers, agreements, options and rights of exchange or conversion which might require the exercise of such powers be hereby generally and unconditionally approved;

(b) the approval in paragraph (a) above shall authorize the Board during the Relevant Period (as hereinafter defined) to make or grant offers, agreements, options and rights of exchange or conversion which might require the exercise of such powers after the expiration of the Relevant Period;

(c) each of the total number of Shares allotted, issued or dealt with or agreed conditionally or unconditionally to be allotted, issued or dealt with (whether pursuant to an option or otherwise) and/or the treasury shares of the Company to be sold or transferred by the Board pursuant to the approval granted in paragraph (a) shall not exceed 20% of the total issued Shares (excluding treasury shares) of the Company as at the date of passing of this resolution;

(d) the Board will only exercise the above powers in accordance with the Companies Law of the PRC and the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (as amended from time to

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time) and only if all necessary registrations and/or approvals from the China Securities Regulatory Commission and/or other relevant PRC government authorities are obtained; and

(e) for the purpose of this resolution:

“Relevant Period” means the period from the passing of this resolution until the earliest of:

(i) the conclusion of the next annual general meeting of the Company;

(ii) the expiration of the 12 months after the date of passing this resolution by way of a special resolution at the AGM; or

(iii) the date of revocation or variation of the authority given under this resolution by a special resolution at a general meeting of the Company.

(B) the Board be authorized to make amendments to the Articles as necessary so as to reflect the new share capital structure of the Company upon the allotment or issue of shares pursuant to this resolution.”

1. To consider and approve the proposed amendments to the Articles.

By order of the Board

Xinte Energy Co., Ltd.

Huang Hanjie

Chairman

Xinjiang, the PRC

22 May 2026

Notes:

1. Important: The shareholders of the Company (the "Shareholders") who wish to appoint a proxy to attend and vote at the AGM shall first read the Company's annual report for 2025 published on the websites of The Stock Exchange of Hong Kong Limited and the Company, or dispatched to relevant Shareholders. The Company's annual report for 2025 includes, among others, the report of the Board for the year 2025, the audited financial accounts and the auditor's report for the year 2025.

2. In order to determine the Shareholders who are eligible to attend and vote at the AGM, the register of members of the Company will be closed from Thursday, 11 June 2026 to Tuesday, 16 June 2026, both days inclusive, during which period no transfer of Shares will be effected. Shareholders whose names appear on the register of members of the Company on Tuesday, 16 June 2026 shall be entitled to attend and vote at the AGM. Shareholders who

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intend to attend and vote at the AGM must lodge all transfer documents accompanied by the relevant share certificates with the Company's securities department office (in case of holders of Domestic Shares), at No. 2249, Zhongxin Street, Ganquanpu Economic and Technological Development Zone (Industrial Park), Urumqi, Xinjiang, the PRC, or the Company's H share registrar (in case of holders of H Shares), Computershare Hong Kong Investor Services Limited, at Shops 1712-1716, 17th Floor, Hopewell Centre, 183 Queen's Road East, Wanchai, Hong Kong, no later than 4:30 p.m. on Wednesday, 10 June 2026 for registration.

1. Shareholders may, by completing the form of proxy of the Company, appoint one or more proxies (whether he/she is a Shareholder) to attend and vote at the AGM (or any adjournment thereof) on his/her behalf. A proxy need not be a Shareholder.

2. Shareholders must use the form of proxy of the Company for appointing a proxy and the appointment must be in writing. The form of proxy must be signed by the relevant Shareholder or by a person duly authorized by the relevant Shareholder in writing ("power of attorney"). If the form of proxy is signed by the person authorized by the relevant Shareholder as aforesaid, the relevant power of attorney and other relevant documents of authorization (if any) must be notarized. If a corporate Shareholder appoints a person other than its legal representative to attend the AGM (or any adjournment thereof) on its behalf, the relevant form of proxy must be affixed with the company seal of the corporate Shareholder or duly signed by its director or any other person duly authorized by that corporate Shareholder as required by the Articles.

3. To be valid, the form of proxy and the relevant notarized power of attorney (if any) and other relevant documents of authorization (if any) as mentioned in note 4 above must be delivered to the Company's securities department office at No. 2249, Zhongxin Street, Ganquanpu Economic and Technological Development Zone (Industrial Park), Urumqi, Xinjiang, PRC, for holders of domestic shares, or the Company's H share registrar, Computershare Hong Kong Investor Services Limited at 17M Floor, Hopewell Centre, 183 Queen's Road East, Wanchai, Hong Kong for holders of H shares no later than 24 hours before the time appointed for the AGM (or any adjournment thereof) (i.e. no later than 11:00 a.m. on Monday, 15 June 2026). Completion and return of the form(s) of proxy will not preclude you from attending and voting in person at the AGM thereof should you so wish.

4. A Shareholder or his/her proxy should produce proof of identity when attending the AGM (or any adjournment thereof). If a corporate Shareholder's legal representative or any other person duly authorized by such corporate Shareholder attends the AGM (or any adjournment thereof), such legal representative or other person shall produce his/her proof of identity, and proof of designation as legal representative or the valid authorization document (as the case may be).

5. The AGM (or any adjournment thereof) is expected to take less than a day. Shareholders or their proxies who attend the AGM (or any adjournment thereof) shall be responsible for their own travel and accommodation expenses.

6. The contact of the securities department office of the Company is as follows:

Address: No. 2249, Zhongxin Street, Ganquanpu Economic and Technological Development Zone (Industrial Park), Urumqi, Xinjiang, PRC

Contact person: Ms. Zhang Juan

Tel: +86-991-3665888

As at the date of this notice, the Board consists of Mr. Huang Hanjie, Mr. Nan Xinjian and Ms. Huang Fen as executive directors; Mr. Zhang Xin, Mr. Yang Xiaodong and Mr. Hu Youcheng as non-executive directors; and Mr. Cui Xiang, Mr. Chen Weiping and Mr. Tam, Kwok Ming Banny as independent nonexecutive directors.

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