Clark R. Nicklas
Under the direction of Clark R. Nicklas, Chairman and CEO, Vista Resources has assembled a highly-skilled management
team with the vision and commitment to establish Vista as one of the fastest-growing, independent producers of natural
gas in the U. S. Prior to founding Vista Resources in 1987, Mr. Nicklas was Vice President of Natmin Development
Corporation, an oil and gas subsidiary of National Intergroup, Inc. He also served as President of HB Drilling
Programs, Inc. and Vice President of Haddad and Brooks, Inc. During the last 30 years, he has been responsible for the
drilling of over 1,000 wells across the country.
David M. Nicklas
As President of Vista Resources, Inc. and President of Vista Oil & Gas, Inc., Mr. Nicklas joined Vista Resources in
2003 and is responsible for managing Vista's ongoing efforts in the Rockies. Under his direction, Vista grew its
Rockies production by 46% in 2007 and is currently the third largest gas producer in Nebraska.
Thomas R. Michael
Serving as Vice President of Exploration & Development and Chief Geologist, Mr. Michael manages the exploration and
development staff, and is responsible for drilling projects throughout the Appalachian Basin and exploration programs
nationwide. Before joining Vista in 1990, Mr. Michael served in a number of geology and exploration management
positions with Cabot Oil & Gas and Doran & Associates.
Arlene Cassidy
Ms. Cassidy serves as Vice President/Controller of Vista Resources, and is responsible for all financial reporting systems, forecasting
and tax planning. Ms. Cassidy is Vista's primary liaison with the financial community. She is also responsible for
partnership reporting, distribution of production revenues and preparation of monthly financial statements.
Thomas H. Arbuckle
Mr. Arbuckle, Superintendent of Drilling, oversees the set-up, drilling, completion and reclamation of each Pennsylvania
drill site operated by Vista Resources. He has been with Vista since 1996 and has managed the drilling process for
over 500 wells.
Thomas E. Hillman
As Superintendent of Production, Mr. Hillman is responsible for overseeing Vista's team of well-tenders who monitor the
production and perform the maintenance on all of the Pennsylvania wells. He joined our team in 1990 and currently
manages the operations of over 700 wells.