China National Building Material : VOLUNTARY ANNOUNCEMENT - RESULTS FORECAST OF BNBM FOR THE THREE MONTHS ENDING 31 MARCH 2021 PURSUANT TO REGULATIONS OF THE SHENZHEN STOCK EXCHANGE

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

VOLUNTARY ANNOUNCEMENT

RESULTS FORECAST OF

BNBM FOR THE THREE MONTHS ENDING 31 MARCH 2021

PURSUANT TO REGULATIONS OF

THE SHENZHEN STOCK EXCHANGE

This announcement is made by China National Building Material Company Limited* (the "Company") on a voluntary basis. The issue of the BNBM Announcement (as defined below) containing the BNBM Results Forecast (as defined below) is solely due to the relevant regulations of the Shenzhen Stock Exchange.

Reference is made to the announcement of Beijing New Building Materials Public Limited Company (a subsidiary of the Company and whose A shares are listed and traded on the Shenzhen Stock Exchange (stock code: 000786), "BNBM") dated 13 April 2021 (the "BNBM Announcement") in relation to the results forecast attributable to the shareholders of BNBM for the three months ended 31 March 2021 (the "BNBM Results Forecast") (available at http://www.cninfo.com.cn for details and for reference only).

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RESULTS FORECAST OF BNBM FOR THE THREE MONTHS ENDING 31 MARCH 2021

1. BNBM Results Forecast

1.1 Relevant period of the BNBM Results Forecast: 1 January 2021 to 31 March 2021

Results forecast of BNBM: increase compared with the corresponding period of last year

		Currency: RMB
		Financial data	Change during
	Results forecast	for the same	this reporting
	of BNBM for this	period of	period as
	reporting period	last year	compared with
	(1 January 2021	(1 January 2020	the same period
	to 31 March 2021) to 31 March 2020)	of last year
			Increased by
Net profit/(net losses) attributable to	500 million to	33.2332	1,404.52% to
shareholders of BNBM	580 million	million	1,645.24%
Basic earnings/(losses) per share	0.296 to 0.343	0.020

1. Audit status of the BNBM Results Forecast
   This results forecast has not been pre-audited by a certified public accountant.
2. Explanations on changes in results of BNBM
   The results of BNBM was expected to increase compared with the corresponding period of last year, which is mainly attributable to the following reasons: the increase of the sales volume of BNBM's key products, contributing to an increase in sales revenue and a corresponding increase in the net profit of BNBM, while BNBM's production and sales were affected to some extent by the impact of the COVID-19 during the same period of last year.

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4. Other relevant explanations

The above preliminary information is the preliminary results as projected by the finance department of BNBM. The actual results of BNBM for the first quarter of 2021 will be subject to the disclosure of the first quarterly report for the three months ended 31 March 2021 by BNBM.

Investors are advised to be prudent when making decisions, and be aware of investment risks.

By order of the Board

China National Building Material Company Limited*

Yu Kaijun

Secretary of the Board

Beijing, the PRC

13 April 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

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