HUAXIN BUILDING MATERIALS GROUP CO., LTD — Proxy Solicitation & Information Statement 2023

Jan 31, 2023

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HUAXIN CEMENT CO., LTD. * 華新水泥股份有限公司

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

(Stock Code: 6655)

Proxy Form for Use at the Second Extraordinary General Meeting in 2023

Number of Shares in relation to this Proxy Form[(Note][1)] Class of Shares (A Shares or H Shares) in relation to this Proxy Form[(Note][2)]

I/We[(Note][3)] of being (a) shareholder(s) of Huaxin Cement Co., Ltd. (the ‘‘Company’’), hereby appoint the Chairman of the meeting or[(Note][4)] of as my/our proxy to attend and vote for me/us and on my/our behalf at the second Extraordinary General Meeting in 2023 of the Company (the ‘‘EGM’’) to be held on Friday, 17 February 2023 at 2: 00 p.m. at the Company’s conference room on 2/F, Block B, Huaxin Building, No. 426 Gaoxin Avenue, East Lack High-Tech Development Zone, Wuhan City, Hubei Province, China and or at any adjournment thereof. The proxy is instructed to vote on the resolution in respect of matters in the Notice of the EGM as indicated below. If no such instructions are given, the proxy shall vote at his/her own discretion.

No. Special Resolution of Non-cumulative Voting For[(Note][5)] Against[(Note][5)] Abstain[(Note][5)] 1 To consider and approve the Public Issuance of Corporate Bonds Date: 2023 Signature[(Note][6)] :

Attention: Please read the Notice and Circular of the EGM dated 31 January 2023 before appointing a proxy. Unless the context otherwise requires, the terms used in this form have the same meaning as defined in the above circular.

Notes:

1. Please fill in the number of shares registered under your name in connection with this proxy form. If no number is inserted, this proxy form will be deemed to relate to all the shares of the Company registered in your name.

2. Please fill in the share class (A Shares or H Shares) involved in this proxy form.

3. Please fill in the full name (Chinese or English name) and registered address (it must be the same as registered in the Register of Shareholders) in BLOCK LETTERS. Please fill in the full name of all registered joint shareholders.

4. If you wish to appoint a proxy other than the Chairman, please delete the words ‘‘the chairman of the meeting or’’ and fill in the name and address of the proposed proxy. A shareholder is entitled to appoint one or more proxies to attend and vote in his/her stead, and the appointed proxy does not need to be a shareholder of the Company. If you have appointed more than one proxy, your proxies may exercise their voting rights only by voting. Any alternations to this proxy form must be initiated by the person who signs it.

5. Important: If you wish to vote for any resolution, tick (✓) in the relevant box below the box marked ‘‘For’’. If you wish to vote against a resolution, tick (✓) in the relevant box below the box marked ‘‘Against’’. If you wish to abstain, tick (✓) in the relevant box below the box marked ‘‘Abstain’’. The votes will be used to calculate the results of voting on relevant resolutions. If no direction is given, your proxy may vote at his/her discretion. Your proxy will also be entitled to vote at his/her discretion on any resolution properly put to the meeting other than those referred to in the notice convening the EGM. In calculating the votes, any votes that are abstained or exempted will not be included.

6. This proxy form must be signed and dated by you or your agent duly authorized in writing or, in case of a legal person, must either be under seal of the legal person or signed by its legal representative or director or duly authorized person. If this proxy form is signed by an agent authorized by the principal, the authorization or other document authorizing the signing must be notarized.

7. In the case of joint registered holders of any shares, any one of such persons may vote at the EGM or at any adjournment thereof, either personally or by proxy, as if he/she were solely entitled thereto. If more than one joint holder is present at the meeting, whether in person or by proxy, the vote of the senior person who tenders a vote shall be accepted to the exclusion of the votes of other joint holders, and for this purpose, seniority shall be determined by the order in which the names stand on the Company’s register of shareholders in respect of relevant joint shares.

8. In order to be valid, for A-share holders, this proxy form, together with a notarized authorization or other authorization document, must be delivered no later than 24 hours before the EGM or any adjournment thereof (in the case of the EGM, it shall be delivered before 2: 00 p.m. on Thursday, 16 February 2023) to the Office of the Secretary to the Board of Directors at the Company’s registered office and principal place of business in China, located at Block B, Huaxin Building, No. 426 Gaoxin Avenue, East Lake High-Tech Development Zone, Wuhan City, Hubei Province, China (Postal code 430073). For H-share holder, the above documents must be delivered within the same period of time to the Company’s H-share registrar in Hong Kong, namely Tricor Investor Services Limited at 17/F, Far East Finance Centre, 16 Harcourt Road, Hong Kong.

9. The completion and submission of this proxy form shall not preclude you from attending and voting at the EGM in person. 10. Shareholders or their proxies shall present their identification documents when attending the EGM. 11. All dates and times in this proxy form refer to Hong Kong dates and times.

PERSONAL INFORMATION COLLECTION STATEMENT

Your supply of your and your proxy’s (or proxies’) name(s) and address(es) is on a voluntary basis for the purpose of processing your request for the appointment of a proxy (or proxies) and your voting instructions for the extraordinary shareholders’ general meeting of the Company (the ‘‘Purposes’’). We may transfer your and your proxy’s (or proxies’) name(s) and address(es) to our agent, contractor, or third party service provider who provides administrative, computer and other services to us for use in connection with the Purposes and to such parties who are authorised by law to request the information or are otherwise relevant for the Purposes and need to receive the information. Your and your proxy’s (or proxies’) name(s) and address(es) will be retained for such period as may be necessary to fulfil the Purposes. Request for access to and/or correction of the relevant personal data can be made in accordance with the provisions of the Personal Data (Privacy) Ordinance and any such request should be in writing by mail to the Privacy Compliance Officer, H Share Registrar of the Company, Tricor Investor Services Limited at 17th Floor, Far East Finance Centre, 16 Harcourt Road, Hong Kong.

• For identification purpose only