West Siberian’s proven oilreserves increased by 48%

In 2007, West Siberian Resources Ltd successful exploration and development program added net proven and probable oil reserves of 64.8 million barrels. The net proven oil reserves increased by 48 per cent to 162.9 million barrels. Proven and probable (2P) reserves increased by 18 per cent to 361.0 million barrels. The increase in 2P reserves represents an internal reserve replacement ratio of 609 per cent. 3P reserves (proven, probable and possible) increased to 487.0 million barrels (443.9) million barrels.