Plexus Holdings PLC, the AIM quoted oil and gas engineering services business and owner of the proprietary POS-GRIP friction-grip method of wellhead engineering, has agreed a contract with BG International Limited (Egypt Branch - 'BG Egypt'), a division of BG Group plc, to supply its POS-GRIP High Pressure High Temperature ('HP/HT') wellhead system for exploration activities offshore Egypt on its Notus well.