Aluminum Corporation of China Limited (Chalco) filed its Monthly Return for the period ended 31 May 2026, showing no changes in either authorised or issued share capital across its A-share and H-share classes.

• Share Capital – Authorised/registered capital remained at RMB 17.15 billion, comprising 13.21 billion A-shares and 3.94 billion H-shares, each with a par value of RMB 1. – Issued shares were unchanged at the same levels: 13.21 billion A-shares and 3.94 billion H-shares. – No treasury shares were held or created during the month.

• Public Float The company confirmed compliance with the Hong Kong Stock Exchange’s minimum public-float requirement—specifically, at least 5 % of issued H-shares are in public hands.

• Capital Instruments The filing reported no outstanding share options, warrants, convertible securities, or other agreements that could dilute share capital.

• Governance The return was signed by Joint Company Secretary Zhu Dan on 2 June 2026.

The absence of capital movements and confirmation of regulatory compliance indicate a stable equity structure for Chalco during the reporting month.