China National Building Material : ANNOUNCEMENT - PRINCIPAL ACCOUNTING DATA AND FINANCIAL INDICATORS OF BNBM FOR THE YEAR ENDED 31 DECEMBER 2020

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

ANNOUNCEMENT

PRINCIPAL ACCOUNTING DATA AND FINANCIAL INDICATORS OF BNBM FOR THE YEAR ENDED 31 DECEMBER 2020

The board of directors of China National Building Material Company Limited* (the "Company") would like to draw the attention of its shareholders and the public investors to the following principal accounting data and financial indicators of Beijing New Building Materials Public Limited Company* ("BNBM") for the year ended 31 December 2020.

BNBM is a subsidiary of the Company and its A shares are listed and traded on the Shenzhen Stock Exchange (stock code: 000786).

PRINCIPAL ACCOUNTING DATA AND FINANCIAL INDICATORS OF BNBM

Unit: Yuan	Currency: RMB
Increase/
At the end	decrease at
of this	the end of this
reporting	reporting period
period	2019 year-end	as compared
(31 December	(31 December	with 2019
2020)	2019)	year-end
Total assets	22,915,217,101.54	21,463,592,265.96	6.76%
Net assets attributable to shareholders of
BNBM	16,667,163,374.07	13,951,628,531.22	19.46%
Increase/
This	decrease of
reporting	The year	this reporting
period	of 2019	period as
(Year ended	(Year ended 31	compared
31 December	December	with the
2020)	2019)	year of 2019
Operating revenue	16,802,628,033.34	13,323,011,974.00	26.12%
Net profit attributable to shareholders of
BNBM	2,859,866,558.78	441,144,299.54	548.28%
Net profit attributable to shareholders of
BNBM after deducting extraordinary
gains or losses	2,775,747,780.16	2,371,690,463.72	17.04%
Net cash flow from operating activities	1,838,587,009.88	1,984,992,469.70	-7.38%
Basic earnings per share
(RMB/Share)	1.693	0.261	548.66%
Diluted earnings per share
(RMB/Share)	1.693	0.261	548.66%
Weighted average return on net assets	18.71%	3.15%	15.56%

Note:The full text of the annual report for the year ended 31 December 2020 of BNBM will also be published on the website of Cninfo (http://www.cninfo.com.cn/).

This announcement is made on a voluntary basis and not required specifically under the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited.

By order of the Board

China National Building Material Company Limited*

Yu Kaijun

Secretary of the Board

Beijing, the PRC

19 March 2021

As at the date of this announcement, the board of directors of the Company comprises Mr. Cao Jianglin, Mr. Peng Shou, Mr. Cui Xingtai and Mr. Fu Jinguang as executive directors, Ms. Zhan Yanjing, Mr. Chang Zhangli, Mr. Tao Zheng, Mr. Chen Yongxin, Mr. Shen Yungang and Ms. Fan Xiaoyan as non-executive directors and Mr. Sun Yanjun, Mr. Liu Jianwen, Mr. Zhou Fangsheng, Mr. Li Jun and Ms. Xia Xue as independent non-executive directors.

* For identification purposes only