APAGF APCO Argentina Inc.

Apco Argentina Inc. is engaged in oil and gas exploration and production (E and P) in Argentina. The Company's principal asset is its 52.79% interest in a joint venture engaged in E and P activities in the Entre Lomas concession located in the provinces of Rio Negro and Neuqu+?n in southwest Argentina. Apco Argentina also owns a 1.5% interest in a joint venture engaged in E and P activities in the Acambuco concession located in the province of Salta in northwest Argentina; a 81.82% interest in a third joint venture engaged in E and P activities in the Ca+?ad+?n Ramirez concession located in the province of Chubut in southern Argentina; a 25.72% interest in a fourth joint venture engaged in E and P activities in three concessions on the island of Tierra del Fuego, located at the southernmost tip of Argentina, and a 50% interest in the Yacimiento Norte 1/B Block, an exploration permit (the Capricorn Permit), also located in the province of Salta.