Polarcus Limited has extended the agreement with TGS-NOPEC Geophysical Company ASA for an additional year. Under the agreement, the companies will continue to jointly develop selected 3D multi-client projects and TGS will extend its vessel commitment with Polarcus to the end of 2018 for up to 10,000 sq. km. The recently announced XArray project in the Gulf of Mexico with TGS forms part of this commitment.