CGX Energy Inc. (CGX) is an oil and gas exploration company. CGX holds an interest in three Petroleum Agreements (known as the Corentyne, Berbice and Demerara Blocks) covering approximately 3.3 million gross acres (approximately 3 million net acres) offshore and onshore Guyana. CGX’s four direct subsidiaries include CGX Resources Inc. (CGX Resources), ON Energy Inc. (ON Energy), GCIE Holdings Limited and CGX Energy Management Corp. CGX’s offshore concessions include Corentyne (100%) and Demerara (100%). The Demerara License consists of approximately one million acres (3,975 square kilometers) offshore Guyana. CGX holds its onshore concessions, which include the Berbice License, through ON Energy Inc., which is a 62% subsidiary. The Berbice License consists of 814,194 gross acres (3,295 square kilometers) onshore Guyana.