All correspondence should be mailed to:

821 E. 33rd St.

Edmond, OK 73013

All revenues should be mailed to:

KAMAX Royalty, Inc.

Oil and Gas Mineral and Royalty Company

Other family related companies:

Blackbird Production LLC - R. Adam Klingenberg - adam@blackbirdoil.com

P.O. Box 57132
Oklahoma City, OK  73157

AJS Investments LLC

Real Estate, Oil and Gas, Stocks and Bonds Investment Company

Pennmark Energy LLC

Exploration   Production   Acquisitions


Richard M. Klingenberg

Owner/Manager

rmk@pennmarkenergy.com