Strong Drill Results Support Development Potential at Apollo Hill Gold

• Offer is expiring on January 23, 2025
• Agnico is committed to the Offer at $1.67 in cash, which represents a 58% premium to O3 Mining’s closing price on December 11, 2024
• 39% of outstanding shares of O3 Mining signed lock-up agreements to tender to the Offer
• Offer unanimously recommended by Board and Special Committee of O3 Mining
• Questions or Need Assistance? Contact Laurel Hill Advisory Group at 1-877-452-7184 or email assistance@laurelhill.com

Agnico Eagle Mines Limited (NYSE: AEM) (TSX: AEM) (“Agnico Eagle”) and O3 Mining Inc. (TSXV: OIII) (OTCQX: OIIIF) (“O3 Mining”) provide O3 Mining shareholders with a final reminder to tender to Agnico Eagle’s friendly all cash offer to acquire 100% of the common shares of O3 Mining (“Common Shares”) at $1.67 per share (the “Offer”), which is expiring on January 23, 2025 at 11:59 pm (EST) .

Tender Shares for Prompt Payment

O3 Mining shareholders are strongly encouraged to tender their Common Shares to the Offer prior to January 23, 2025 to ensure prompt receipt of the Offer price of $1.67 per Common Share. If the conditions to the Offer are satisfied or waived by the expiry time, Agnico Eagle will take-up and pay for any Common Shares tendered prior to expiry by January 28, 2025 .

All directors and officers of O3 Mining and several of O3 Mining’s largest shareholders, representing approximately 39% of the issued and outstanding Common Shares, entered into lock-up agreements under which they agreed to tender their Common Shares to the Offer.

O3 Mining shareholders are encouraged to tender their Common Shares as soon as possible to ensure intermediaries have sufficient time to process their requests. The board of directors of O3 Mining continues to unanimously recommend that O3 Mining shareholders tender their Common Shares to the Offer.

Agnico Eagle’s Intentions

Agnico is committed to the Offer at $1.67 . Assuming the 66 2/3% minimum tender condition for the Offer is satisfied or waived, Agnico Eagle intends to complete the Offer and acquire 100% of any remaining Common Shares in a second-step transaction. Agnico Eagle is not required to reach a 90% tender threshold under the Offer to acquire 100% of O3 Mining. The closing of the second-step transaction and the payment for any Common Shares acquired thereunder is not expected to occur before the second quarter of 2025.

How do I tender my Common Shares?