Special Meeting of Shareholders

MEETING DETAILS

To be held virtually on May 11, 2026, at 1:00 PM (Toronto time).

Registered shareholders, holders of options, deferred share units and restricted share units and proxyholders are invited to attend here: https://virtual-meetings.tsxtrust.com/1920

Beneficial shareholders may vote in advance of the meeting by following the instructions of their intermediary and are invited to attend the meeting but will be unable to vote at the meeting directly unless they follow the instructions to appoint themselves as proxyholders and register with TSX Trust Company in accordance with the instructions in the management information circular.

YOUR VOTE IS IMPORTANT

Vote well in advance of the proxy voting deadline on May 7, 2026 at (1:00 PM Toronto Time)

The Board of Directors of Arizona Sonoran Copper Company Inc. unanimously recommends that Shareholders vote FOR the Arrangement Resolution