Presented on 20 May 2026: Session 17 The Otway Basin remains a priority region for gas development; however, recent environmental approval outcomes demonstrate that investment certainty is increasingly influenced by external factors that extend beyond individual activities. The withdrawal of the TGS Otway deepwater seismic survey Environment Plan (EP), the prolonged assessment of the ConocoPhillips drilling Environment Plan (EP), and the rejection of the Regia Marine Seismic Survey EP illustrate