Datang International Power Generation : SUPPLEMENTAL ANNOUNCEMENT REGARDING THE ANNUAL REPORT FOR THE YEAR ENDED 31 DECEMBER 2019

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

(a sino-foreign joint stock limited company incorporated in the People's Republic of China)

(Stock Code: 00991)

SUPPLEMENTAL ANNOUNCEMENT REGARDING THE ANNUAL REPORT

FOR THE YEAR ENDED 31 DECEMBER 2019

Reference is made to the annual report of Datang International Power Generation Co., Ltd. (the "Company", together with its subsidiaries, the "Group") for the year ended 31 December 2019 (the "2019 Annual Report") published on 30 March 2020. Unless otherwise defined herein, capitalised terms used in this announcement shall have the same meaning as those defined in the 2019 Annual Report.

In addition to the information provided in the 2019 Annual Report, the board of directors of the Company (the "Board") would like to provide further information and breakdown in relation to the "Others" within the "Operating costs" of the Group for the year ended 31 December 2019 (together with the comparative figures of 2018) as below:

	For the year ended
	31 December
	2019	2018
	(RMB'000)	(RMB'000)
Auditors' remuneration	13,420	13,000
(Reversal)/recognition of impairment of trade receivables,
net	(51,217)	9,529
Impairment of goodwill	104,361	54,232
Impairment of property, plant and equipment	1,539,077	426,368
Allowance for inventories	9,428	4,786
Reversal of allowance for inventories	(10,391)	(313,764)
Amortisation of intangible assets	45,467	42,368
Amortisation of land use right	-	86,635
Written off of property, plant and equipment	1,334,729	472,907
Operating lease rentals in respect of office premises	-	80,779
Procurement cost of aluminum products	2,107,896	3,365,527
Procurement cost of coal products	2,825,735	2,036,472

- 1 -

	For the year ended
	31 December
	2019		2018
	(RMB'000)	(RMB'000)
Environmental protection fee	3,157,210		3,084,477
Electricity expense	276,179		397,394
Water fee and water resource fee	599,350		524,962
Research and development expenses	29,646		13,221
Transportation expenses	71,600		92,789
Intermediary fees	64,961		70,979
Insurance	158,301		153,316
Office expenses	101,895		115,506
Travel expenses	89,331		90,376
Outsourcing expenses	223,186		198,647
Public security fire fee	100,725		99,722
Information expenses	83,823		74,844
Entertainment expenses	17,915		22,793
Others	112,445		137,177
Total	13,005,073		11,355,042

The additional information set out above does not affect other information contained in the 2019 Annual Report.

By order of the Board

Jiang Jinming

Company Secretary

Beijing, the PRC, 10 August 2020

As at the date of this announcement, the Directors of the Company are:

Chen Feihu, Qu Bo, Liang Yongpan, Ying Xuejun, Zhu Shaowen, Cao Xin, Zhao Xianguo, Zhang Ping, Jin Shengxiang, Liu Jizhen*, Luo Zhongwei*, Liu Huangsong*, Jiang Fuxiu*, Niu Dongxiao*

• Independent non-executive Directors

- 2 -