CALGARY, AB , Dec. 17, 2025 /PRNewswire/ - Vermilion Energy Inc. ("Vermilion" or the "Company") (TSX: VET) (NYSE: VET) announces that it has filed an early warning report (the "Early Warning Report") in respect of its holdings in Coelacanth Energy Inc. ("Coelacanth"). On December 17, 2025, Vermilion sold 26,000,000 common shares ("Common Shares") of Coelacanth through privately negotiated transactions with various sellers, at a price of $0.76 per Common Share for a purchase price of $19,760,000 (the "Transactions"), representing an amount equal to more than 2% of the issued and outstanding Common Shares thereby triggering the requirement to file the Early Warning Report.