OceanaGold Announces Acquisition of Ausgold

• OceanaGold to acquire 100% of Ausgold for approximately A$776M
• Ausgold shareholders to receive 0.03365 OceanaGold shares per Ausgold share
• Transaction expected to close in December 2026
• Ausgold Board and major shareholder recommend voting in favor of the Scheme

OceanaGold Corporation has announced its intention to acquire Ausgold Limited, the owner of the Katanning Gold Project in Western Australia, through a court-approved scheme of arrangement. Under the terms of the transaction, Ausgold shareholders will receive 0.03365 common shares of OceanaGold for each share held, valuing the transaction at approximately A$776M. The acquisition is expected to close in December 2026, pending shareholder approval and regulatory conditions. The transaction is expected to deliver significant benefits, including the addition of a high-quality development asset in a Tier-1 mining jurisdiction and the opportunity for Ausgold shareholders to realize immediate value and diversify their holdings.

Transaction expected to close in December 2026; Ausgold shareholders to receive 0.03365 OceanaGold shares per Ausgold share

The acquisition is expected to deliver significant benefits for OceanaGold shareholders, including the addition of a high-quality development asset and the opportunity for Ausgold shareholders to realize immediate value and diversify their holdings.