Historical Operations Summary

Years ended December 31 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995
Daily Average Production
(restated)
Crude oil (bbls/d)  
North America 41,775 44,456 46,287 50,424 51,005 44,806 45,103 40,627 34,169 31,019
North Sea 119,502 110,613 124,965 108,163 109,096 57,267 54,988 48,065 30,675 16,987
Southeast Asia 34,050 23,159 21,925 20,326 19,627 28,286 31,684 28,458 22,621 18,121
Algeria 13,537 6,594 - - - - - - - -
Sudan - 13,039 60,109 53,257 45,869 11,726 - - - -
Natural gas liquids (bbls/d)  
North America 12,618 12,473 13,521 12,851 12,829 10,918 9,818 8,054 7,598 7,097
North Sea 2,359 2,462 2,521 2,665 2,806 1,989 2,492 2,437 2,363 1,791
Southeast Asia 1,594 1,271 544 547 579 566 - - - -
Synthetic Oil (Canada) (bbls/d) 2,999 2,649 2,868 2,781 2,540 2,765 2,664 2,536 2,534 2,527
Total oil and liquids 228,434 216,716 272,740 251,014 244,351 158,323 146,749 130,177 99,960 77,542
Natural gas (mmcf/d)  
North America 885 864 820 809 755 681 631 558 557 581
North Sea 114 109 122 108 122 115 104 100 90 69
Southeast Asia 260 117 94 93 111 108 13 - - -
Total natural gas 1,259 1,090 1,036 1,010 988 904 748 658 647 650
Total (mboe/d) 438 398 445 419 409 309 271 240 208 186
WTI (average US$/bbl) 41.40 30.99 26.15 25.92 30.26 19.30 14.37 20.61 22.02 18.40
NYMEX gas (average US$/mmbtu) 6.09 5.44 3.25 4.38 4.30 2.27 2.08 2.48 2.67 1.71
US$/C$ exchange rate (year end) 0.8308 0.7738 0.6331 0.6279 0.6666 0.6887 0.6511 0.6987 0.7298 0.7331