MMG has issued a proxy form convening an Extraordinary General Meeting (EGM) for 29 October 2026 at 10:00 a.m. in Hong Kong. Shareholders will vote on a single ordinary resolution covering two key items:

1. Approval of revised annual caps under the CMN Framework Off-take Agreement, increasing copper concentrate volumes to 250,000 tonnes for the year ending 31 December 2026 and to 264,000 tonnes for the year ending 31 December 2027.

2. Authorisation for any one director to take all necessary actions, execute documents and do all things required to implement the revised caps and related transactions.

Shareholders entitled to attend may appoint the meeting chairman or another proxy to vote on their behalf. Proxy forms, together with any relevant authorisations, must reach the Company’s Hong Kong share registrar, Computershare Hong Kong Investor Services Limited, no later than 10:00 a.m. on 27 October 2026. Attendance in person will supersede any submitted proxy.

The resolution requires a simple majority to pass; no additional agenda items are specified in the notice.