CONCHO RESOURCES INC., as Issuer, COG ACREAGE LP, COG HOLDINGS LLC, COG OPERATING LLC, COG PRODUCTION LLC, COG REALTY LLC, CONCHO OIL & GAS LLC, DELAWARE RIVER SWD LLC, QUAIL RANCH LLC MONGOOSE MINERALS LLC, RSP PERMIAN, INC. and RSP PERMIAN, L.L.C....