Group 1 - The company held its 13th meeting of the 10th Board of Directors on November 26, 2025, in accordance with relevant laws and regulations [2] - The board approved a guarantee for its subsidiary, with a maximum amount of $22,423,452 (approximately RMB 159.71 million), to support the execution of a contract with PT Amman Mineral Industri [2][10] - The guarantee will be submitted for shareholder approval [3] Group 2 - The board also approved a management implementation plan for the 2025-2027 term, with one director abstaining from the vote due to a conflict of interest [3][4] - Adjustments were made to the composition of several specialized committees within the board, including the Strategic and Sustainable Development Committee and the Audit Committee [4][5] - The new committee members will serve until the end of the current board's term [5] Group 3 - The subsidiary, China Nonferrous Metal Construction (Indonesia) Co., Ltd., is responsible for providing operational technical services under a contract valued at $44,846,904 [10][11] - The guarantee is structured as a joint liability guarantee, with an additional pledge of 33% equity from a partner as collateral [16][17] - The company has a total external guarantee balance of approximately RMB 2.866 billion, which is 50.58% of its latest audited net assets [18]

Core Viewpoint - The announcement highlights the signing of a significant operational and technical service contract by the company’s subsidiary in Indonesia, indicating a strategic move to enhance its operational capabilities in the copper smelting sector [1] Group 1: Contract Details - The company’s subsidiary, China Nonferrous Metal Industry's Indonesia Co., Ltd. (referred to as "中色印尼"), signed a contract with PT Amman Mineral Industri for operational and technical services at the Oman copper smelting plant [1] - The total contract amount is $44,846,904 [1] - The company will issue a guarantee letter for the subsidiary, amounting to a maximum of 50% of the contract value, which is up to $22,423,452 (approximately 159.71 million RMB) [1] Group 2: Corporate Governance - The company convened its 13th meeting of the 10th Board of Directors on November 26, 2025, to approve the issuance of the guarantee letter [1] - The guarantee's validity period will align with the contract's effective period [1] - The guarantee matter will require approval from the company’s shareholders meeting [1]