Aluminum of China : ANNOUNCEMENT ON THE CONTROLLING SHAREHOLDER''S PRO…

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.

OVERSEAS REGULATORY ANNOUNCEMENT

AND INSIDE INFORMATION

This overseas regulatory announcement is made pursuant to Rules 13.10B and 13.09(2) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited and the Inside Information Provisions under Part XIVA of the Securities and Futures Ordinance (Chapter 571, Laws of Hong Kong).

The following sets out the information published by Aluminum Corporation of China Limited* on the website of the Shanghai Stock Exchange, for information purpose.

By order of the Board

Aluminum Corporation of China Limited*

Zhang Zhankui

Company Secretary

Beijing, the PRC

23 August 2018

As at the date of this announcement, the members of the Board comprise Mr. Yu Dehui, Mr. Lu Dongliang and Mr. Jiang Yinggang (Executive Directors); Mr. Ao Hong and Mr. Wang Jun (Non-executive Directors); Ms. Chen Lijie, Mr. Hu Shihai and Mr. Lie-A-Cheong Tai Chong, David (Independent Non-executive Directors)

* For identification purposes only

Stock Code: 601600

Stock Short Name: ChalcoAnnouncement No.: Lin 2018-057

ALUMINUM CORPORATION OF CHINA LIMITED* ANNOUNCEMENT ON THE CONTROLLING SHAREHOLDER'S

PROGRESS IN INCREASING ITS SHAREHOLDING

IN THE COMPANY

The board of directors and all directors of the Company guarantee that this announcement contains no false representation, misleading statement or material omission, and assume several and joint liabilities for the truthfulness, accuracy and completeness of it.

Important Notes:

• • Aluminum Corporation of China Limited* (the "Company") disclosed the Announcement of Aluminum Corporation of China Limited* on the Controlling Shareholder's Plan to Increase Its Shareholding in the Company (Announcement No.: Lin 2018-040) on 25 June 2018. Aluminum Corporation of China* ("Chinalco"), the controlling shareholder of the Company, proposed to increase its shareholding in the Company via the trading system of the Shanghai Stock Exchange in an amount of not less than RMB400 million and not more than RMB1 billion within 12 months from the date of disclosure of the aforesaid announcement.

• • As at the date of this announcement, Chinalco has increased its shareholding in the Company by 61,817,876 A shares in total via the trading system of the Shanghai Stock Exchange at a total consideration of RMB233 million, representing approximately 0.41% of the total issued share capital of the Company, which has exceeded 50% of the lower limit of the range under the plan on increase in shareholding of Chinalco (the lower limit amounts to RMB400 million).

• • Risk Warning: The implementation of the plan on increase in shareholding is exposed to the risk of failure in implementation due to unavailability of funds required therefor.

I. THE BASIC INFORMATION OF THE ENTITY TO INCREASE

SHAREHOLDING AND PARTICULARS OF THE PLAN ON INCREASE IN SHAREHOLDING

(I) Entity to increase shareholding: Chinalco

(II) Particulars of the plan on increase in shareholding:

The Company disclosed the Announcement of Aluminum Corporation of China Limited* on the Controlling Shareholder's Plan to Increase Its Shareholding in the Company (Announcement No.: Lin 2018-040) on 25 June 2018.

• 1. The purpose of the proposed increase in shareholding: to boost confidence of investors and practically safeguard the interests of minority investors and the stable capital market based on the controlling shareholder's confidence in the future sustainable development of the Company and recognition of the Company's value.

• 2. Class of shares involved in the proposed increase in shareholding: A shares.

• 3. Method and number of shares involved in the proposed increase in shareholding: the increase in shareholding in the Company will be conducted via the trading system of the Shanghai Stock Exchange in an amount of not less than RMB400 million and not more than RMB1 billion.

• 4. Chinalco will, based on the reasonable judgment on the share price of the Company as well as the fluctuations of share price of the Company and the overall trend in the capital market, gradually implement the plan on increase in shareholding to the extent not exceeding 2% of the total share capital of the Company.

• 5. Implementation period of the plan on increase in shareholding: within 12 months from the date of disclosure of the plan on increase in shareholdings by the Company.

• 6. Funding arrangement for the proposed increase in shareholding: self-financing funds or internal funds of Chinalco.

II. RISKS OF UNCERTAINTY WITH THE IMPLEMENTATION OF THE PLAN ON INCREASE IN SHAREHOLDING

The implementation of the plan on increase in shareholding is exposed to the risk of failure in implementation due to unavailability of funds required therefor. In case of the abovementioned risk during the implementation of the plan on increase in shareholding, the Company will discharge the obligation of information disclosure in a timely manner.

III. IMPLEMENTATION PROGRESS OF THE PLAN ON INCREASE IN

SHAREHOLDING

As at the date of this announcement, Chinalco has increased its shareholding in the Company by 61,817,876 A shares in total via the trading system of the Shanghai Stock Exchange at a total consideration of RMB233 million, representing approximately 0.41% of the total issued share capital of the Company, which has exceeded 50% of the lower limit of the range under the plan on increase in shareholding of Chinalco (the lower limit amounts to RMB400 million). During the period of the plan on increase in shareholding, Chinalco will continue to increase its shareholding by an aggregate of no more than 2% (including the increased shareholding) of the total shares of the Company via the trading system of the Shanghai Stock Exchange at appropriate time according to the subsequent arrangement for shareholding increase.

As at the date of this announcement, save the abovementioned increase in its shareholding of A shares of the Company, Chinalco has also increased its shareholding in the Company by 50,142,000 H shares in total via its subsidiaries through the trading system of The Stock Exchange of Hong Kong Limited, at a total consideration of HKD160 million, representing approximately 0.34% of the total issued share capital of the Company.

As at the date of this announcement, Chinalco and its subsidiaries hold 5,197,199,931 A shares and 97,142,000 H shares of the Company in total, representing approximately 35.52% of the total issued share capital of the Company.

IV. OTHER RELEVANT INFORMATION

• (1) This increase in shareholding will not lead to changes in the controlling shareholder and de facto controller of the Company.

• (2) During the implementation of the plan on increase in shareholding, in case of ex-rights and ex-dividend events of share capital including dividend distribution, bonus share issue, capitalization from capital reserve, additional issuance of shares and allotment of shares, Chinalco will accordingly make adjustments to and disclose the plan on increase in shareholding based on the changes in share capital.

• (3) The Company will urge Chinalco to strictly comply with the relevant requirements of China Securities Regulatory Commission and the Shanghai Stock Exchange in respect of changes in interests of listed companies and the sensitive period of shares trading during the implementation of the plan on increase in shareholding.

• (4) The Company will pay continuous attention to the controlling shareholder's increase in shareholding of the Company and discharge the obligation of information disclosure in a timely manner in accordance with the relevant requirements under the Rules Governing the Listing of Stocks on the Shanghai Stock Exchange ( ɪऎᗇՎʹ׸הٰୃɪ̹஝ۆ' ), Administrative Measures for the Takeover of Listed Companies ( ɪ̹ʮ ̡ϗᒅ၍ଣ፬ج' ), and the Guidelines of the Shanghai Stock Exchange on Increase in Shareholdings by Shareholders of Listed Companies and Their Parties Acting In Concert ( ɪऎᗇՎʹ׸הɪ̹ʮٰ̡؇ʿՉɓߧ

  Бਗɛᄣٰܵ΅Бމܸˏ' ).

• (5) The Company's designated information disclosure media are the website of the Shanghai Stock Exchange (www.sse.com.cn) and Securities Times. Investors should note that the information disclosed by the Company via the aforementioned designated media shall prevail and are advised to pay attention to investment risks.

Announcement is hereby given.

The Board of Directors of Aluminum Corporation of China Limited*

23 August 2018