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ANNOUNCEMENTREGARDING BUSINESS COMPETITION WITH CHINALCO

Since the initial public offering of the A shares of Aluminum Corporation of China Limited* (the “Company”) in April 2007, the Company has been striving to solve the problem of business competition with Aluminum Corporation of China (“Chinalco”), its controlling shareholder. With on-going efforts, it has basically solved the issue of business competition with Chinalco in primary aluminum business and aluminum fabrication business. Currently, a few aluminum fabrication business and pseudoboehmite business under Chinalco competes to a certain extent with the Company.

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I. Undertakings made by Chinalco and the Company regarding avoidance of business competition

(I) On 5 November 2001, the Company and Chinalco entered into a Non-Competition

Agreement, the major terms of which are:

1. During the validity period of the Non-competition Agreement, except those businesses carried out in order to perform the connected transaction agreements entered into by both parties on the same date as the Non-competition Agreement, Chinalco shall not and procure and ensure its subordinate enterprises and entities (including its subsidiaries, branches and other entities) shall not, whether solely or jointly with or on behalf of any person or company (enterprise or entity), directly or indirectly, engage in, participate, invest in or assist in the operation of any activities or businesses which, directly or indirectly, compete with the principal business of the Company, as set out in the Non-competition Agreement, in or outside the PRC.

2. If Chinalco becomes aware of any business opportunity (“Business Opportunity”) which is same as or similar to the principal business of the Company which may, directly or indirectly, compete or may lead to competition with the principal business of the Company, it shall promptly notify the Company, and at its best endeavor, procure that such business opportunity be provided to the Company on terms and conditions acceptable to the Company and no less favourable than those provided to Chinalco and its subordinate enterprises and entities or any independent third party.

3. Chinalco undertakes to grant the Company a pre-emptive right to acquire at any time the existing business of Chinalco which, directly or indirectly, competes with the principal business of the Company and the aluminum fabrication business.

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(II) As Chinalco and the Company both operated aluminum fabrication business and pseudoboehmite business and in order to protect interests of the minority shareholders, on 10 June 2005, the Company and Chinalco entered into a Supplemental Non- Competition Agreement, pursuant to which, Chinalco undertook:

1. Following the date of the listing of the Company’s A shares, the non-competition shall cover aluminum fabrication business and pseudoboehmite business until the Company ceases to be engaged in such businesses.

2. Within a certain period of time following the listing of the Company’s A shares, the Company will arrange to dispose of its aluminum fabrication business, or acquire Chinalco’s aluminum fabrication business and to acquire Chinalco’s pseudoboehmite business.

3. If the Company makes a request to Chinalco to acquire its aluminum fabrication business and pseudoboehmite business, Chinalco will, in accordance with relevant provisions of the Non-Competition Agreement and on the principle of fairness and reasonableness, sell such businesses to the Company at a fair price (including by way of transfer of equity interests or assets).

(III) On 18 December 2006, Chinalco issued the “Undertaking Letter of Aluminum Corporation of China in relation to the Share Reform of Shandong Aluminum Industry Co., Ltd.” and the “Undertaking Letter of Aluminum Corporation of China in relation to Share Reform of Lanzhou Aluminum Co., Limited”, undertaking that following the date of listing of the Company’s shares on the Shanghai Stock Exchange, it will inject quality aluminum assets (including but not limited to assets and equity interests in its aluminum, aluminium fabrication businesses) as and when appropriate, in order to further optimize the Company’s industry chain.

(IV) On 22 March 2007, the Company issued the “Supplemental Undertaking Letter in relation to the Avoidance of Business Competition”, undertaking to acquire the primary aluminum business of LanZhou Liancheng Aluminum Industrial Co., Ltd. by the end of 2007, to solve the business competition with Tongchuan Xinguang Aluminum Co. Ltd. (“Tongchuan Xinguang”), a subsidiary of Chinalco, within one year following the listing of the Company’s A shares, and to merge with the aluminum business of Baotou Aluminum Co., Limited (“Baotou Aluminum”) as and when appropriate following the issue of the Company’s A shares.

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II. Implementation of non-competition measures since the Company’s initial public offering of A shares in April 2007(I) Primary aluminum business

At the time of initial public offering of the A shares by the Company in April 2007, the subsidiaries of Chinalco which were mainly engaged in the primary aluminum business were LanZhou LianCheng Aluminum Industrial Co., Ltd. (directly owned), Baotou Aluminum (indirectly owned through Baotou Aluminum (Group) Co., Ltd.) and Tongchuan Xinguang (indirectly owned through Shaanxi Non-ferrous Metal Holding (Group) Co., Ltd. (