OSLO, Norway (9 January 2024) - Based on preliminary reporting from operating units, management of TGS ASA ("TGS") expects IFRS revenues for Q4 2023 to be approximately USD 189 million, compared to USD 219 million in Q4 2022. POC revenues* are expected to be approximately USD 205 million, compared to USD 227 million in Q4 2022. Proprietary revenues are expected to be USD 88 million, up from USD 60 million in Q4 2022. POC multi-client revenues are estimated at approximately USD 118 million, down