Central Graben
1 December 2010

Calloway HPHT exploration. NW-SE trending tilted fault block with Joanne sandstone objective and Upper Paleocene and Upper Jurassic secondary objectives. Poor/no reservoir development in secondary objectives. Gas/condensate seen in unprognosed Pentland at 14,521 ft TVDSS (888 ft gross; 215 ft net) and subcropping Josephine Sandstone (84 ft gross). Joanne objective at 16,229 ft TVDSS waterwet. Well was not tested.