China National Building Material : ANNOUNCEMENT - PRINCIPAL ACCOUNTING DATA AND FINANCIAL INDICATORS OF SINOMA INTERNATIONAL FOR THE THREE MONTHS ENDED 31 MARCH 2021

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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 SINOMA INTERNATIONAL

FOR THE THREE MONTHS ENDED 31 MARCH 2021

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 Sinoma International Engineering Co., Ltd.* ("Sinoma International") for the three months ended 31 March 2021.

Sinoma International is a subsidiary of the Company and its A shares are listed and traded on the Shanghai Stock Exchange (stock code: 600970).

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PRINCIPAL ACCOUNTING DATA AND FINANCIAL INDICATORS OF SINOMA INTERNATIONAL

			Currency: RMB
			Increase/decrease
			at the end of this
	As at the end of		reporting period
	this reporting	As at the end	as compared with
	period	of last year	last year-end
			(%)
Total assets	33,817,296,868.61	34,212,176,941.01	-1.15
Net assets attributable to shareholders of Sinoma
International	11,057,779,024.96	10,780,105,028.02	2.58
			Increase/decrease
			of this reporting
			period as
			compared with
		The corresponding	the corresponding
	This reporting period	period of last year	period of last year
			(%)
Operating revenue	5,409,905,249.29	3,828,633,244.31	41.30
Net profit attributable to shareholders of Sinoma
International	301,922,516.26	167,000,902.25	80.79
Net profit attributable to shareholders of
Sinoma International after deducting
extraordinary gains or losses	269,955,181.98	153,023,114.88	76.41
Basic earnings per share (RMB/Share)	0.17	0.10	70.00
Diluted earnings per share (RMB/Share)	0.17	0.10	70.00
			Increased by 1.14
Weighted average return on net assets (%)	2.77	1.63	percentage points
Net cash flow from operating activities	-1,435,676,969.50	-1,246,519,364.67	not applicable

Note: The full text of the first quarterly report for the three months ended 31 March 2021 of Sinoma International will also be published on the website of the Shanghai Stock Exchange (http://www.sse.com.cn).

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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

28 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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