Barrett W. Pierce
Executives
Barrett W. Pierce - President

Barrett W. Pierce formed Rio Petroleum, Inc. in 1979 to explore for and
produce oil and gas in Texas and Oklahoma.  He is President and owner of
Rio.  Rio is active in the Anadarko Basin (Texas Panhandle and Western
Oklahoma), the Hardeman Basin (North Texas), the Dalhart Basin (Texas
Panhandle), the Wilcox Trend (South Texas) and the Permian Basin (West
Texas).  His oil and gas interests are held in various entities.

Mr. Pierce previously worked for Mesa Petroleum as a Petroleum Engineer
in Houston, as Assistant to the President of Mesa Petroleum, Mr. Boone
Pickens, in Amarillo and for Amoco as a Reservoir Engineer and Petroleum
Engineer on the Texas Gulf Coast.  His personal interests include bird
watching, protection and substainable use of our natural resources, hunting
and fishing.
Jim Marcum
Jim Marcum - Vice President - Business Manager

James B. Marcum joined Rio Petroleum, in 1990 as
Vice President and Business Manager.  Mr. Marcum
graduated from Oklahoma State University with a
BS in Finance in 1976.  He served in the United
States Army in personnel Records attaining the rank
of Sergeant E-5 and received an honorable discharge
in 1978.  He was employed from 1977 to 1990 as
Controller of Scarth Oil and Gas Co.
Mr. Marcum’s job duties for Rio Petroleum include:  the supervision of all
accounting functions for the company and eight affiliates which either own or
operate several hundred oil and gas leases; producing reserve evaluations and
acquisitions; securing financing with lending institutions in the low seven
figure range for Rio's aggressive growth plan, contract negotiations and
supervision of the administrative staff.                                        
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