Aluminum Corporation of China Limited (CHALCO) has issued a formal notice to shareholders concerning its 2025 Annual General Meeting (AGM).

The meeting is set for 2:00 p.m. on Friday, 26 June 2026 at the company’s conference room located at No. 62 North Xizhimen Street, Haidian District, Beijing, People’s Republic of China. Shareholders holding A or H shares with a par value of RMB 1.00 each are invited to attend in person or by proxy.

To confirm attendance, investors must complete and sign the official reply slip and deliver it—by hand, mail, fax, or e-mail—to CHALCO’s Security Affairs Division of the Finance Department (Capital Operation Department) no later than Tuesday, 23 June 2026. The designated fax number is (8610) 8229 8158, and the e-mail address is IR@chinalco.com.cn.

The company requests shareholders provide their full registered names, addresses, and the exact number of shares held when submitting the reply slip to ensure voting eligibility and logistical planning for the AGM.