SandRidge Energy, Inc.

SandRidge Energy, Inc. (SD) is an oil and natural gas exploration and production company headquartered in Oklahoma City, Oklahoma with its principal focus on developing high-return, growth-oriented projects in the U.S. Mid-Continent and Niobrara Shale.

Sandridge Royalty Trusts
SandRidge Mississippian Trust I (NYSE: SDT)

SandRidge Mississippian Trust II (NYSE: SDR)

SandRidge Permian Trust (NYSE: PER)