Xinjiang Xinxin Mining Industry Co., Ltd. — Proxy Solicitation & Information Statement 2026

Apr 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.

Xinjiang Xinxin Mining Industry Co., Ltd.

新疆新鑫礦業股份有限公司

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

(Stock code: 3833)

NOTICE OF THE 2025 ANNUAL GENERAL MEETING

NOTICE IS HEREBY GIVEN that the 2025 annual general meeting (the "AGM") of Xinjiang Xinxin Mining Industry Co., Ltd. (the "Company") will be held at 11:30 a.m. on Friday, 22 May 2026 at Conference Room, 6/F, No. 501, Fusion South Road, Cooperation Zone, Economic and Technological Development Zone, Urumqi, Xinjiang, the People's Republic of China (the "PRC") for the following purposes:

To consider and, if thought fit, pass with or without amendments, the following resolutions:

ORDINARY RESOLUTIONS

1. to consider and approve the report of the directors of the Company for the year ended 31 December 2025;
2. to consider and approve the audited consolidated financial statements of the Company and its subsidiaries for the year ended 31 December 2025;
3. to consider and approve the accumulated profit distribution plan of the Company and the relevant declaration and payment of a final dividend of RMB0.05 per share of the Company for the year ended 31 December 2025 as recommended by the board of directors of the Company (the "Board"); and

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1. to consider and approve the re-appointment of BDO China SHU LUN PAN Certified Public Accountants LLP as the auditor of the Company and to authorise the Board to fix its remuneration.

By order of the Board
Xinjiang Xinxin Mining Industry Co., Ltd.*
Wu Ning, Lam Siu Wing
Joint Company Secretaries

Xinjiang, the PRC, 22 April 2026

Notes:

1. CLOSURE OF REGISTER OF MEMBERS AND ELIGIBILITY FOR ATTENDING THE AGM

The register of members of the Company will be closed from Monday, 18 May 2026 to Friday, 22 May 2026 (both days inclusive), during which time no share transfers will be registered. In order to be eligible to attend the AGM, instruments of transfer accompanied by share certificates and other appropriate documents must be lodged with the Company's H Share registrar, Computershare Hong Kong Investor Services Limited at Shops 1712–1716, 17th Floor, Hopewell Centre, 183 Queen’s Road East, Wan Chai, Hong Kong, no later than 4:30 p.m. on Friday, 15 May 2026.

Shareholders of the Company whose names appear on the register of members of the Company at the opening of business on Friday, 22 May 2026 are entitled to attend the AGM.

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1. PROXY

Every shareholder of the Company who has the right to attend and vote at the AGM is entitled to appoint one or more proxies, whether or not they are members of the Company, to attend and vote on his behalf at the AGM.

A proxy must be appointed by an instrument in writing and signed by the appointer or his attorney duly authorised in writing. If the appointer is a legal person, then the instrument shall be signed under a legal person’s seal or signed by its director or an attorney duly authorised in writing. The instrument appointing the proxy shall be deposited at the Company’s H Share registrar, Computershare Hong Kong Investor Services Limited, at 17M Floor, Hopewell Centre, 183 Queen’s Road East, Wan Chai, Hong Kong, not less than 24 hours before the time appointed for the commencement of the AGM. If the instrument appointing the proxy is signed by a person authorised by the appointer, the power of attorney or other document of authority under which the instrument is signed shall be notarised. The notarised power of attorney or other document of authority shall be deposited together and at the same time with the instrument appointing the proxy at the Company’s H Share registrar. Return of a form of proxy will not preclude a shareholder of the Company from attending in person and voting at the AGM if he so wishes.

If more than one proxy is appointed, such proxies shall only be entitled to vote by poll. Shareholders or their proxies are required to produce their identification documents when attending the AGM.

1. OTHERS

Pursuant to Rule 13.39(4) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (the “Listing Rules”), all votes at the general meeting will be taken by poll and the Company will announce the results of the poll in the manner prescribed under Rule 13.39(5) of the Listing Rules.

The AGM is expected to last for approximately two hours. Shareholders and their proxies attending the meeting shall be responsible for their own travelling and accommodation expenses.

As at the date of this notice, the executive director of the Company is Mr. Li Jiangping; the non-executive directors are Mr. Chen Yin, Mr. Zhou Chuanyou, Mr. Wang Lijian and Mr. Hu Chengye; the independent non-executive directors are Mr. Hu Benyuan, Mr. Huang Yong and Mr. Lee Tao Wai; and the employee representative director is Ms. Zhang Li.

• For identification purposes only