Aluminum Corporation Of China (02600): Subsidiary intends to enter into an EPC general contracting contract with China Aluminum International Engineering Corporation, with a contract price of approximately RMB6.55557 billion

Aluminum Corporation Of China (02600) announced that on November 6, 2026, following deliberation and approval at the 18th meeting of the ninth session of the board of directors of the Company, Aluminum Corporation Of China Guinea Co., Ltd. (Chinalco Guinea), a subsidiary of the Company (as employer), intends to enter into a design, procurement and construction (EPC) general contracting contract (EPC General Contracting Contract) with China Aluminum International Engineering Corporation Engineering Co., Ltd. (China Aluminum International Engineering Corporation) (as contractor). Accordingly, Chinalco Guinea intends to engage China Aluminum International Engineering Corporation to provide EPC services for the Guinea alumina project located in the Boffa region of the Republic of Guinea. The EPC General Contracting Contract is a fixed lump-sum contract, with a contract price of approximately RMB6.55557 billion, and the contract price shall not be adjusted except for adjustments stipulated in the contract terms. As at the date of this announcement, Chinalco Guinea is a subsidiary of the Company, Aluminum Corporation Of China Group Co., Ltd. (Chinalco Group) is the controlling shareholder of the Company, and China Aluminum International Engineering Corporation is a subsidiary of Chinalco Group. Therefore, China Aluminum International Engineering Corporation is a connected person of the Company under the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited (Hong Kong Listing Rules), and the transactions contemplated under the EPC General Contracting Contract constitute connected transactions under Chapter 14A of the Hong Kong Listing Rules. As the highest applicable percentage ratios for the transactions contemplated under the EPC General Contracting Contract may exceed 5% but be less than 25%, this transaction constitutes a potential discloseable transaction under Chapter 14 of the Hong Kong Listing Rules and a connected transaction under Chapter 14A of the Hong Kong Listing Rules. Accordingly, this transaction is subject to the reporting, announcement and independent shareholders' approval requirements under Chapters 14 and 14A of the Hong Kong Listing Rules. In view of the fact that Mr. Guo Gang, a director of the Company, also holds a position at Chinalco Group, he has abstained from voting on the board resolution regarding this transaction. As at the date of this announcement, the relevant parties have not yet entered into the EPC General Contracting Contract in respect of the above matter. When the EPC General Contracting Contract is entered into, the Company will comply with the applicable provisions of the Hong Kong Listing Rules and timely perform its information disclosure obligations.