In this Saturday, Aug. 29, 2015 photo provided by Egypt's state news agency MEAN, Eni CEO Claudio Descalzi, third left, and his delegation meet with Egyptian President Abdel-Fattah el-Sissi, center, and an Egyptian delegation, in Cairo, Egypt. The Italian energy company Eni SpA announced Sunday, Aug. 30, 2015, it has discovered a "supergiant" natural gas field off Egypt, describing it as the "largest-ever" found in the Mediterranean Sea.