Mark J. Gabrisch

The Group's principal activity is to explore, develop and produce oil and natural gas. Its exploration activity is based on an integrated geologic interpretation method incorporating 3-D seismic technology and advanced visualization and data analysis techniques utilizing state-of-the-art computer hardware and software. The operations are conducted primarily along the onshore United States, Gulf Coast with its primary emphasis in South Texas and South Central Louisiana.

Paloma Resources LLC explores, exploits, acquires and produces oil and gas properties. It performs geophysical, geological and other exploration services. The company was founded by Christopher N. O'Sullivan in 2004 and is headquartered in Houston, TX.

Shell Oil Co. manufactures petrochemicals and distributes gas and oil products. The company was founded in 1912 and is headquartered in Houston, TX.

Paloma Partners III LLC engages in the acquisition and development of oil and gas properties. It acquires and develops acreage in highly-economic resource plays in the United States. The company was founded in 2012 and is headquartered in Oklahoma City, OK.

Paloma Partners IV LLC engages in the acquisition and development of acreage. The company is headquartered in Houston, TX.

Goodrich Petroleum Corp. engages in the exploration, development, and production of oil and natural gas on properties. It holds interests in the Haynesville Shale Trend in northwest Louisiana and East Texas; Tuscaloosa Marine Shale Trend located in southwest Mississippi and southeast Louisiana; and the Eagle Ford Shale Trend situated in South Texas. The company was founded in 1995 and is headquartered in Houston, TX.