SandRidge Energy, Inc. Announces $1 Billion Mississippian Joint Venture

SandRidge Energy, Inc.

announced today that it has entered into a Joint Venture with a subsidiary of Repsol YPF, S.A., a leading international energy company based in Madrid, Spain. Under the agreement, SandRidge will sell an approximate 25% non-operated working interest, or 250,000 net acres, in the Extension Mississippian play located in Western Kansas and an approximate 16% non-operated working interest, or 113,636 net acres, in its Original Mississippian play.