Dragon Oil plc, an international oil and gas exploration and production company, announces that the Group has recently refitted the previously stacked Rig 40 and commenced drilling on the Dzheitune (Lam) 13 platform. The rig has spudded the Dzheitune (Lam) development well 13/160, the first of four wells planned to be drilled from this platform. Two wells and one sidetrack are expected to be completed by the end of 2011 with the remaining two wells and another sidetrack to be completed in 2012. Later, the Rig 40 will be stacked pending consideration of options for its further use.