China National Building Material : Notification Letter and Request Form to Non-Registered Holders - Notification of publication of Corporate Communications on the Company's website

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

4 March 2021

Dear non-registered holders of securities of the Company,

Notification of publication of Corporate Communication on the Company's website

We hereby notify you that the following corporate communication (the "Current Corporate Communication") of China National Building Material Company Limited (the "Company"), in both English and Chinese, is now available on the Company's website athttp://cnbm.wsfg.hkand the website of The Stock Exchange of Hong Kong Limited at http://www.hkexnews.hk:

• • Circular dated 4 March 2021 relating to (1) major transaction in relation to the restructuring, (2) discloseable transaction in relation to the buy-out transaction, and (3) notice of the extraordinary general meeting.

You may access the Current Corporate Communication in the following way:

• • Clicking "(1) Major Transaction in relation to the Restructuring, (2) Discloseable Transaction in relation to the Buy-Out Transaction, and (3) Notice of the Extraordinary General Meeting" under the "2021" section of the "Circulars" section on the home page of the Company website.

If you wish to receive a printed copy of the Current Corporate Communication, you can complete the enclosed Request Form and return it to the Company's H Share Registrar in Hong Kong, Tricor Investor Services Limited, by post using the mailing label provided. The printed copy of the Current Corporate Communication will be sent to you free of charge upon receipt of your request.

Please note that by completing and returning the Request Form to request for the printed copy of the Current Corporate Communication, you will expressly indicate that you prefer to receive all future Corporate Communications (Note 1) of the Company in printed form.

Should you have any queries relating to this notification, please contact Customer Service Hotline of Tricor Investor Services Limited at (852) 2980 1333 from 9:00 a.m. to 5:00 p.m., Monday to Friday (excluding public holidays).

Yours faithfully,

By order of the Board

China National Building Material Company Limited*

Yu Kaijun

Secretary of the Board

Note:

1.

Corporate Communications refer to any documents issued or to be issued by the Company for information or action of holders of securities of the Company, including but not limited to (i) annual reports (including directors' reports, annual accounts of the Company together with auditor's reports and, if applicable, summary financial reports), (ii) interim reports (including, if applicable, summary interim reports), (iii) notices of meeting, (iv) listing documents and (v) circulars.

* For identification only

Request Form

To: China National Building Material Company Limited (the "Company")

c/o Tricor Investor Services Limited

Level 54, Hopewell Centre

183 Queen's Road East, Hong Kong

I/We would like to receive the printed copy of the following corporate communication ("Current Corporate Communication") and all future Corporate Communications (Note 1) of the Company (Note 2):

(Please tick the box if appropriate)

Circular dated 4 March 2021 relating to (1) major transaction in relation to the restructuring, (2) discloseable transaction in relation to the buy-out transaction, and (3) notice of extraordinary general meeting

Signature:

Date:Name:

(English)

(Chinese)

(in block letters)

Contact Phone Number:

Notes:

• 1. Corporate Communications refer to any documents issued or to be issued by the Company for information or action of holders of securities of the Company, including but not limited to (i) annual reports (including directors' reports, annual accounts of the Company together with auditor's reports and, if applicable, summary financial reports), (ii) interim reports (including, if applicable, summary interim reports), (iii) notices of meeting, (iv) listing documents and (v) circulars.

• 2. By completing and returning this Request Form to request for the printed copy of the Current Corporate Communication, you have expressly indicated that you prefer to receive all future Corporate Communications of the Company in printed form.

✄

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