Carrizo Oil & Gas, Inc. (Carrizo) is an energy company. The Company is engaged in the exploration, development and production of oil and gas from resource plays located in the United States. Its operations are focused in proven, producing oil and gas plays in the Eagle Ford Shale in South Texas, the Utica Shale in Ohio, the Niobrara Formation in Colorado and the Marcellus Shale in Pennsylvania. The Company’s core Eagle Ford properties are located in LaSalle County in McMullen, Frio and Atascosa counties in Texas. It has joint venture arrangements with GAIL GLOBAL (USA) INC. (GAIL), which is a wholly owned subsidiary of GAIL (India) Limited. The Company serves as an operator of the properties covered by its Niobrara joint venture arrangements. The Company’s activities in the Marcellus are conducted through two joint ventures.