Exploration

Exploration Block 20/2a - Blackbird

• 12% working interest
• Jurassic "Ettrick Sand" prospect currently drilling
• Sub-sea tie-back option to Ettrick FPSO

Exploration Block 16/27a

• 70% working interest
• Multiple zone potential including Eocene, Paleocene, Triassic and Jurassic reservoirs
• Shallow well, 16/27a-8, drilled in March 2008, evaluated Eocene target only, was dry
• A second well is planned for 2009 to test deeper prospects

Exploration Block 22/11b

• 100% working interest
• Targeting Jurassic Fulmar reservoir sands
• Very active area with nearby discoveries in offsetting blocks