Rialto Energy Limited (Rialto) is an Australia-based oil and gas exploration and production company. The principal activity of Rialto is investing in oil and gas exploration and production projects internationally and more specifically in West Africa. The Company�s operations include Cote d�Ivoire- CI-202 and Australia- WA-399-P. The Company is the operator (85% working interest) of the CI-202 block offshore Cote d�Ivoire. The CI-202 block contains the Gazelle Field. It also has an interest in the Apache operated WA-399-P block in the Carnarvon Basin, Western Australia. Block CI-202, offshore Cote d�Ivoire comprises an area of 675 square kilometer, drilling activity consists of 13 wells. The WA-399-P exploration permit is situated offshore Western Australia within the Carnarvon Basin. It has a Joint Venture with Challenger Minerals Inc. (CMI), a wholly owned subsidiary of Transocean Inc., is a drilling contractors.