Jan Tomas Norrby

Sinvest AS provides financial and strategic investment services for oil and offshore companies. The firm does business through subsidiaries and specializes in the construction and operation of jack-up drilling rigs and drilling vessels. The company was founded on July 7, 2013 and is headquartered in Ranheim, Norway.

SKDP was established September 2006, and is located in Kristiansand, Norway. The company is owned 31% by Skeie Technology AS, 12% by Wideluck Enterprises and 57% by external investors. The company has signed contracts for design and construction of three harsh environment Jack-ups at the Keppel Fels yard in Singapore. The rigs are to be delivered in third quarter and fourth quarter of 2010, and second quarter of 2011. SKDP is listed on the Norwegian OTC-list. The Jack Ups are designed for both drilling and production. The latest technology available is being applied and the Jack Ups are built according to the most stringent requirements for operation in the Norwegian Sector of the North Sea.

Premium Drilling, Inc. operates as an offshore drilling contractor. The company provides jack-up drilling services to the oil and gas industry in the United States and internationally. The company was founded in 2005 and is headquartered in Houston, TX.

Skeie Technology AS provides financial investment services. It manages equity portfolios with selected investments within the offshore drilling space, the broader energy space and selected venture projects. The company was founded on January 12, 1989 and is headquartered in Kristiansand, Norway.

Rowan Drilling Norway AS operates offshore oil drilling platforms. Its rigs include Hull B300, B301, and B306, which are used for drilling and production in harsh environment. The company was founded in September 2006 and is headquartered in Kristiansand, Norway.

Prospector Offshore Drilling SARL engages in oil drilling and exploration activities. The company was founded by Robert William Rose on May 28, 2010 and is headquartered in Luxembourg.

Part of Aban Offshore Ltd., Deep Drilling Invest Pte Ltd. is an investment holding Singaporean company that provides drilling services through its subsidiaries.