Charlemont-1 Exploration Well - Operational Update

3D Energi Limited (the “Company”; ASX:TDO) is pleased to provide the following update on drilling operations at the Charlemont-1 gas exploration well within VIC/P79 exploration permit, offshore Otway Basin, Victoria. The Charlemont-1 well was spud at 7:15pm AEST on 10 December 2025 by the Transocean Equinox. Operations Status The well design now incorporates a 7” liner to enable drilling through t