Owner Helix Energy Solutions Group, Inc.

Convention US 27 February 2006 78/824276

Service Watermark

Various Convention priority claimed: 27 February 2006, United States of America, No. 78/824276, 78/824368, 78/824386, 78/824397 and 78/824415.* Provisions of subsection 44(4) applied.

Filing Date 18 July 2006

Class 35 Project management services for others in the oil and gas industry; business consulting in the oil and gas industry; providing personnel to operate and maintain equipment, vessels, and remotely operated vehicles for use in subsurface and offshore environments; data base management

Class 37 Underwater building and construction; marine construction; installation and operation of marine structures, marine equipment, and oil and gas exploration and production equipment; repair, servicing and maintenance of equipment (excluding vehicles) for use in subsurface and offshore environments; laying and construction of pipelines; pipeline installation and repair; cable installation and repair; oil and gas drilling; operating and decommissioning of oil and gas well structures and equipment for others; plugging and abandonment of oil and gas wells; burial of pipelines, flowlines, rigidlines, umbilicals, submarine cables, 4-d seismic arrays, and other sub-sea products and repair services; consultation in the field of marine construction; oil and gas well intervention services being the intervening with normal well operation such as for maintenance

Class 39 Renting of vessels and remotely operated vehicles, off-shore mobile production facilities and equipment related to the foregoing; underwater salvage

Class 40 Oil and gas production; manufacturing for others of equipment for use in subsurface and offshore environments; consultation on the field of oil and gas production

Class 42 Oil and gas exploration; engineering services; technical consultation in the fields of oil and gas exploration and production, oil and gas exploration and production equipment, and marine engineering and construction; oil and gas well intervention services being the intervening with normal well operation such as for emergency shutdowns; conducting engineering and geological surveys; designing and testing new products for others; database design; testing of oil and gas well structures and equipment for others; underwater structural inspection services being to visually inspect and document the physical condition of a given underwater or off-shore asset