WTG Exploration Inc. / Magnum Producing LP / Partners IV / LP / Henry Energy LP / Weatherl Energy Investments L.P. / Bold Energy III LLC / FSE Partners / Pierce & Pierce LLC / PetroVista Resources LLC / Pioneer Natural Resources USA Inc. / GGE Land Services LLC / Elevation Resources LLC / Myers Oil Co. LLC / Crown Oil Partners IV LP / Energen Resources Corporation / Trey Resources Inc. / Ring Energy Inc. / Three Rivers Acquisition II LLC / Cimarex Energy Co. / Essex Exploration LLC / RSP Permian L.L.C. / Jagged Peak Energy LLC / XTO Energy Inc. / MCM Energy Partners LLC / ACR Exploration Inc. / Double Eagle Andrews LLC / Dakota Resources Inc. / Forge Energy LLC / Copperhead Resources LLC / Chalfant Properties Inc. / Exploration Company LLC / Greystone Petroleum LLC / Pacesetter Energy Leasing LLC / CrownRock L.P. / Highmount Exploration Production Texas LLC / Eland Energy Inc. / Elk River Resources LLC / Acre Bonus Amount Special Fee Elk River Resources LLC / Shaw Interests Inc. / /