Argent Energy Us Holdings, 909 Fannin St, Ste 1000, Houston, TX 77010, US

EV Management LLC is recognized as one of the largest and most successful managers of oil and gas assets for institutional investors in the United States. The company currently operates approximately 11,000 wells in 11 states, including Colorado, Kansas, Louisiana, Michigan, New Mexico, New York, Ohio, Oklahoma, Pennsylvania, Texas and West Virginia. In the company s 13-year history, EV Management has generated rates of return in excess of 28 percent throughout the up-and-down cycles of the industry. EV Management was organized in 1992. The company was created to acquire, exploit, operate and manage oil and gas properties on behalf of institutional investors with the sole objective of making money and generating earnings. EV Management is headquartered in Houston.

Vorys, Sater, Seymour and Pease

Crownover

Pappas George P Arty

Niece, William S