Historical Operations Summary

Years ended December 31 2010 2009 2008 2007 2006
Daily average production          
Oil (mbbls/d)          
North America 17 25 30 32 36
UK 73 85 92 100 100
Scandinavia 36 32 31 29 31
Southeast Asia 35 38 32 41 50
Other 14 16 21 21 22
Natural gas liquids (bbls/d)          
North America 6 9 10 12 14
UK 1 1 1 2 3
Scandinavia 3 2 2 1 1
Southeast Asia 4 3 4 3 2
Synthetic oil (Canada) (bbls/d) 3
Total oil and liquids 189 211 224 241 262
Natural gas (mmcf/d)          
North America 778 803 856 876 910
UK 16 19 38 88 126
Scandinavia 88 58 19 14 14
Southeast Asia 485 403 334 287 292
Total natural gas 1,367 1,283 1,247 1,265 1,342
Total (mboe/d) 417 425 432 452 485
WTI (average US$/bbl) 79.53 61.79 99.65 72.31 66.25
NYMEX gas (average US$/mmbtu) 4.39 4.05 8.95 6.92 7.26
US$/C$ exchange rate (year-end)        1.0054 0.9555 0.8166 1.0120 0.8581