Neftegaz America Shelf LP (Neftegaz), an indirect independent subsidiary of Rosneft, acquired 30% interest in 20 ExxonMobil exploration blocks in the deepwater Gulf of Mexico (GOM). ExxonMobil remains operator with 70%. The blocks are about 111,600 acres (450sq km) in area in water depths from 2100-6800ft (640-2070m). Three blocks are in the Central GOM and 17 are in the Western GOM. The agreement was signed by Igor I. Sechin, president of Rosneft, and Stephen M. Greenlee, president of ExxonMobil Exploration Company.