Summit West Resources LP / Wilbanks Family Partnership Ltd. / American Energy Partners Inc / Quantum Resources Management LLC / Henry Resources LLC / Sagebrush Oil & Gas LLC / SOC Oil Company Inc. / XOG Operating LLC / ConocoPhillips Company / Cardinal Shares Inc. / Telesis Operating Company Inc. / Tierra Exploration Inc. / Pioneer Natural Resources USA Inc. / Arena Resources Inc. / Samson Lone Star LLC / Limestone Exploration LLC / MYCO Industries Inc. / Trinity Royalty Partners LP / Energen Resources Corporation / S & J Operating Company / Bonus/ Acre Limestone Exploration LLC / Gussman Permian LLC / /
Lease Sale #115 April 22, 2009 Preliminary Results Tract No