China Alcoa International announced that the company plans to sign an EPC general contracting contract for the 1.2 million ton alumina project in Guinea with the related party, Chinalco Guinea, to be responsible for the design, procurement and construction of the alumina production line and supporting facilities for the project. The total contract amount is estimated to be about 6.556 billion yuan, and the price will not be adjusted except as agreed in the contract. This transaction constitutes a related transaction. It has been reviewed and approved by the board of directors of the company, the relevant directors have avoided voting, and still need to be submitted to the company's shareholders' meeting for review and approval. As of the date of disclosure of the announcement, the two parties had not formally signed the contract.

China Alcoa International announced that the company plans to sign an EPC general contracting contract for the 1.2 million ton alumina project in Guinea with the related party, Chinalco Guinea, to be responsible for the design, procurement and construction of the alumina production line and supporting facilities for the project. The total contract amount is estimated to be about 6.556 billion yuan, and the price will not be adjusted except as agreed in the contract. This transaction constitutes a related transaction. It has been reviewed and approved by the board of directors of the company, the relevant directors have avoided voting, and still need to be submitted to the company's shareholders' meeting for review and approval. As of the date of disclosure of the announcement, the two parties had not formally signed the contract.