Aluminum Corporation of China Limited (CHALCO) has approved the repurchase and cancellation of 212,580 restricted A-shares originally granted under its 2021 Restricted Share Incentive Scheme but not yet unlocked. The decision was endorsed at the 4th Remuneration Committee meeting and the 14th Board meeting of the ninth session, held on 27 May and 2 June 2026, respectively.

Key drivers of the buy-back • Participant changes: – One participant’s death led to the cancellation of 28,350 shares. – Two participants resigned, triggering repurchase of 64,110 shares at the lower of the adjusted grant price or the prevailing market price. – Three participants were disqualified for disciplinary reasons, resulting in the repurchase of 120,120 shares under the same pricing rule.

Repurchase pricing adjustment • Following the Board-approved 2025 final cash dividend of RMB0.147 per share (subject to AGM approval on 26 June 2026), the company recalculated the repurchase prices: – First Grant tranche: reduced from RMB2.60 to RMB2.45 per share. – Reserved Grant tranche: reduced from RMB1.76 to RMB1.61 per share.

Financial impact • Cash outflow for the transaction is estimated at RMB0.52 million (excluding interest), funded entirely from internal resources. • Management states the action will not materially affect CHALCO’s financial position or operating results, nor will it compromise management effectiveness.

Share-capital effect • Total A-shares will fall from 13.21 billion to 13.21 billion after the cancellation, while restricted A-shares decline by 0.21 million to 37.43 million. • Overall share count decreases marginally by 0.21 million shares to 17.15 billion.

Compliance confirmation The Remuneration Committee and Jincheng Tongda & Neal Law Firm have affirmed that the repurchase and price adjustment comply with China’s Company Law, Securities Law, CSRC equity incentive regulations, and CHALCO’s Incentive Scheme. The company will complete all necessary registration and disclosure procedures in due course.