Aluminum of China : RE-DESIGNATION OF DIRECTOR

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On 17 August 2017, the board of directors (the "Board") of Aluminum Corporation of China Limited* (the "Company") is pleased to announce that, Mr. Yu Dehui ("Mr. Yu") has been re-designated from a non-executive director to an executive director of the Company, with effect from the same date, and his term of office remains the same with that of other members of the Board.

Mr Yu was elected as a non-executive director of the fifth session of the Board of the Company at the 2016 first extraordinary general meeting held on 8 April 2016. On the same date, Mr Yu was elected as the chairman of the fifth session of the Board of the Company at the 31st meeting of the fifth session of the Board. Mr. Yu was re-elected as a non-executive director and the chairman of the sixth session of the Board of the Company at the 2015 annual general meeting and the first meeting of the sixth session of the Board of the Company held on 28 June 2016.

Considering that Mr. Yu's decision-making authority and major duties in the Company fall within the definition of the responsibility of an executive director during his tenure of service as the Chairman of the Company, the Company resolved to re-designate Mr. Yu from a non-executive director to an executive director of the Company, with effect from the same date.

Biographical details of Mr. Yu are set out as follows:

Mr. Yu Dehui, aged 57, is the Chairman of the Company. Mr. Yu graduated from Ecole des Hautes Etudes en Sciences Sociales (EHESS) and School of Economics of Paris West University Nanterre La Défense, majoring in development economics, with a doctoral degree in economics, and he is a professor. Mr. Yu has extensive experience in energy, non-ferrous metals, economics and management areas. He had successively served as the deputy general manager for technology and the general manager of SPEIC* (法國斯佩克環保工程股份公司), the deputy head of department of science & technology and standards of State Bureau of Environmental Protection* (國家環境保 護局), the deputy head and head of department of science & technology and standards of State Environmental Protection Administration* (國家環境保護總局). And he took temporary posts as an assistant to the chairman of the government of the Inner Mongolia Autonomous Region* (內蒙古自治區), a standing member of the Municipal Committee and a deputy mayor of Baotou City. He had also served as a vice chairman of the government of the Inner Mongolia Autonomous Region*, a member of the Communist Party Committee and a deputy general manager of China Power Investment Corporation* (中國電力投資集團公司), and a member of the Communist Party Committee and a deputy general manager of State Power Investment Corporation* (國 家電力投資集團公司). Mr. Yu currently serves as the general manager, a director and the deputy secretary of the Communist Party Committee of Aluminum Corporation of China*.

To the knowledge of the Board and save as disclosed above, Mr. Yu did not hold any directorship in other public companies the securities of which are listed on any securities market in Hong Kong or overseas in the last three years. Mr. Yu does not have any relationship with any director, senior management or substantial or controlling shareholder of the Company, nor does he hold any position in the Company or any of its subsidiaries. As at the date of this announcement, Mr. Yu does not have any interest in the shares of the Company or its associated corporations within the meaning of Part XV of the Securities and Futures Ordinance of Hong Kong.

Save as disclosed above, the Board is not aware of other information on re-designation of Mr. Yu as an executive director which shall be disclosed pursuant to the requirement set out in Rules 13.51(2)(h) to (v) of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited and there are no other matters that need to be brought to the attention of the shareholders of the Company.

By order of the Board

Company Secretary

Beijing, the PRC 17 August 2017

As at the date of this announcement, the members of the Board comprise Mr. Yu Dehui, Mr. Ao Hong, Mr. Lu Dongliang and Mr. Jiang Yinggang (Executive Directors); Mr. Liu Caiming 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