GulfSlope Energy, Inc. operates as an independent oil and natural gas exploration company primarily in the Gulf of Mexico federal waters offshore Louisiana, the United States. It has leased one federal outer continental shelf block and has licensed 2.2 million acres of three-dimensional seismic data in its area of concentration. The company was formerly known as Plan A Promotions, Inc. and changed its name to GulfSlope Energy, Inc. in April 2012. GulfSlope Energy, Inc. was incorporated in 2003 and is headquartered in Houston, Texas.