Exhibit 5  SELECTED
QUARTERLY FINANCIAL DATA   Three
  months ended(millions of Canadian dollars unless otherwise stated)
  
  Total Year
  
  Dec. 31
  
  Sept. 30
  
  June 30
  
  March 312002
  
  Total revenue
  
  4,452
  
  1,242
  
  1,110
  
  1,111
  
  989Net income
  
  524
  
  182
  
  151
  
  90
  
  101Net income available to
  common shareholders
  
  500
  
  176
  
  145
  
  84
  
  95Cash flow
  
  2,645
  
  759
  
  657
  
  652
  
  577Total assets
  
  11,594
  
  11,594
  
  11,471
  
  10,996
  
  11,032Total long-term liabilities
  
  6,103
  
  6,103
  
  5,763
  
  5,655
  
  5,658Capital expendituresExploration
  
  628
  
  174
  
  146
  
  130
  
  178Development
  
  1,220
  
  283
  
  297
  
  256
  
  384Acquisitions
  
  244
  
  175
  
  49
  
  15
  
  5Per common share (dollars)Net income
  
  3.73
  
  1.33
  
  1.08
  
  0.62
  
  0.71Diluted net income
  
  3.67
  
  1.31
  
  1.06
  
  0.61
  
  0.70Cash flow
  
  19.73
  
  5.72
  
  4.87
  
  4.84
  
  4.31Daily average productionOil and liquids (bbls/d)
  
  272,740
  
  270,582
  
  267,393
  
  275,157
  
  277,971Natural gas (mmcf/d)
  
  1,036
  
  1,028
  
  1,024
  
  1,051
  
  1,044Total (mboe/d)
  
  445
  
  442
  
  438
  
  450
  
  4522001
  
  Total revenue
  
  4,140
  
  937
  
  999
  
  1,014
  
  1,190Net income
  
  733
  
  40
  
  121
  
  289
  
  283Net income available to
  common shareholders
  
  709
  
  33
  
  116
  
  283
  
  277Cash flow
  
  2,494
  
  502
  
  587
  
  641
  
  764Total assets
  
  10,819
  
  10,819
  
  11,058
  
  9,991
  
  8,922Total long-term liabilities
  
  5,489
  
  5,489
  
  5,432
  
  4,745
  
  3,851Capital expendituresExploration
  
  567
  
  171
  
  146
  
  130
  
  120Development
  
  1,315
  
  374
  
  343
  
  344
  
  254Acquisitions
  
  186
  
  39
  
  16
  
  3
  
  128Per common share (dollars)Net income
  
  5.25
  
  0.25
  
  0.86
  
  2.09
  
  2.05Diluted net income
  
  5.16
  
  0.24
  
  0.85
  
  2.05
  
  2.01Cash flow
  
  18.48
  
  3.75
  
  4.35
  
  4.73
  
  5.64Daily average productionOil and liquids (bbls/d)
  
  251,014
  
  280,711
  
  258,190
  
  224,085
  
  240,550Natural gas (mmcf/d)
  
  1,010
  
  1,079
  
  986
  
  980
  
  993Total (mboe/d)
  
  419
  
  460
  
  422
  
  387
  
  406   69 
   SELECTED QUARTERLY FINANCIAL DATA   PRODUCT
  NETBACKS
  
  2002
  
  2001Three
  months ended
  
  
  
  Three months
  endedTotal Year
  
  Dec. 31
  
  Sept. 30
  
  June 30
  
  March 31
  
  Total Year
  
  Dec. 31
  
  Sept. 30
  
  June 30
  
  March 31North
  America
  
  Oil and liquids ($/bbl)Sales price
  
  32.43
  
  34.57
  
  35.57
  
  32.76
  
  26.82
  
  30.80
  
  21.58
  
  32.81
  
  33.70
  
  35.14Hedging (gain)
  
  0.06
  
  0.36
  
  0.52
  
  0.11
  
  (0.77
  )
  (0.12
  )
  (0.72
  )
  (0.03
  )
  0.12
  
  0.13Royalties
  
  6.85
  
  7.42
  
  7.74
  
  6.35
  
  5.90
  
  6.88
  
  4.56
  
  7.34
  
  7.58
  
  8.05Operating costs
  
  5.55
  
  6.20
  
  5.91
  
  4.64
  
  5.48
  
  5.22
  
  5.84
  
  5.12
  
  5.02
  
  4.9119.97
  
  20.59
  
  21.40
  
  21.66
  
  16.21
  
  18.82
  
  11.90
  
  20.38
  
  20.98
  
  22.05Natural Gas ($/mcf)Sales price
  
  3.96
  
  5.21
  
  3.26
  
  4.08
  
  3.29
  
  5.39
  
  3.20
  
  3.56
  
  5.99
  
  9.06Hedging (gain)
  
  (0.28
  )
  (0.11
  )
  (0.37
  )
  (0.21
  )
  (0.42
  )
  0.02
  
  (0.37
  )
  (0.22
  )
  0.17
  
  0.54Royalties
  
  0.75
  
  1.04
  
  0.55
  
  0.73
  
  0.67
  
  1.34
  
  0.58
  
  0.74
  
  1.64
  
  2.47Operating costs
  
  0.71
  
  0.78
  
  0.74
  
  0.65
  
  0.66
  
  0.67
  
  0.75
  
  0.62
  
  0.68
  
  0.632.78
  
  3.50
  
  2.34
  
  2.91
  
  2.38
  
  3.36
  
  2.24
  
  2.42
  
  3.50
  
  5.42North Sea
  
  Oil and liquids ($/bbl)Sales price
  
  38.76
  
  41.77
  
  41.89
  
  37.71
  
  33.87
  
  36.07
  
  30.15
  
  37.16
  
  40.48
  
  38.98Hedging (gain)
  
  0.12
  
  0.38
  
  0.75
  
  0.11
  
  (0.74
  )
  (0.17
  )
  (0.72
  )
  (0.02
  )
  0.13
  
  0.14Royalties
  
  1.60
  
  1.72
  
  1.68
  
  1.41
  
  1.60
  
  1.85
  
  1.60
  
  2.06
  
  1.80
  
  1.99Operating costs
  
  11.11
  
  12.00
  
  12.74
  
  9.51
  
  10.27
  
  10.06
  
  9.66
  
  9.92
  
  11.31
  
  9.7125.93
  
  27.67
  
  26.72
  
  26.68
  
  22.74
  
  24.33
  
  19.61
  
  25.20
  
  27.24
  
  27.14Natural Gas ($/mcf)Sales price
  
  3.89
  
  4.51
  
  3.13
  
  3.05
  
  5.04
  
  4.35
  
  4.48
  
  3.40
  
  3.92
  
  5.35Hedging (gain)
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  Royalties
  
  0.48
  
  0.27
  
  0.46
  
  0.41
  
  0.79
  
  0.46
  
  0.84
  
  0.43
  
  0.23
  
  0.20Operating costs
  
  0.61
  
  0.92
  
  0.61
  
  0.49
  
  0.45
  
  0.46
  
  0.66
  
  0.27
  
  0.29
  
  0.502.80
  
  3.32
  
  2.06
  
  2.15
  
  3.80
  
  3.43
  
  2.98
  
  2.70
  
  3.40
  
  4.65Southeast
  Asia(1)
  
  Oil and liquids ($/bbl)Sales price
  
  39.46
  
  45.04
  
  41.27
  
  38.77
  
  32.84
  
  35.97
  
  27.63
  
  37.87
  
  42.81
  
  38.22Hedging (gain)
  
  0.06
  
  0.36
  
  0.53
  
  0.11
  
  (0.76
  )
  (0.30
  )
  (1.04
  )
  (0.19
  )
  0.12
  
  0.14Royalties
  
  14.83
  
  17.13
  
  16.13
  
  13.76
  
  12.34
  
  10.69
  
  7.74
  
  11.41
  
  12.73
  
  11.83Operating costs
  
  7.93
  
  8.67
  
  8.30
  
  7.61
  
  7.15
  
  7.13
  
  6.89
  
  6.82
  
  8.04
  
  6.8916.64
  
  18.88
  
  16.31
  
  17.29
  
  14.11
  
  18.45
  
  14.04
  
  19.83
  
  21.92
  
  19.36Natural Gas ($/mcf)Sales price
  
  4.72
  
  6.00
  
  4.12
  
  4.92
  
  3.96
  
  4.80
  
  4.06
  
  4.88
  
  5.60
  
  4.74Hedging (gain)
  
  
  
  
  
  
  
  
  
  
  
  0.02
  
  0.01
  
  0.01
  
  0.01
  
  0.02Royalties
  
  0.25
  
  0.31
  
  0.24
  
  0.25
  
  0.20
  
  0.24
  
  0.21
  
  0.24
  
  0.27
  
  0.23Operating costs
  
  0.59
  
  0.80
  
  0.69
  
  0.49
  
  0.42
  
  0.47
  
  0.61
  
  0.50
  
  0.41
  
  0.353.88
  
  4.89
  
  3.19
  
  4.18
  
  3.34
  
  4.07
  
  3.23
  
  4.13
  
  4.91
  
  4.14Sudan
  
  Oil ($/bbl)Sales price
  
  37.79
  
  46.30
  
  38.33
  
  36.64
  
  29.35
  
  32.66
  
  24.87
  
  33.36
  
  40.22
  
  32.54Hedging (gain)
  
  0.07
  
  0.37
  
  0.52
  
  0.11
  
  (0.75
  )
  (0.13
  )
  (0.73
  )
  (0.03
  )
  0.12
  
  0.14Royalties
  
  14.94
  
  21.74
  
  12.45
  
  13.96
  
  11.32
  
  12.78
  
  9.01
  
  11.62
  
  18.28
  
  12.41Operating costs
  
  3.82
  
  3.72
  
  4.07
  
  4.55
  
  2.89
  
  3.40
  
  3.25
  
  2.78
  
  3.93
  
  3.7118.96
  
  20.47
  
  21.29
  
  18.02
  
  15.89
  
  16.61
  
  13.34
  
  18.99
  
  17.89
  
  16.28Total
  Company
  
  Oil and liquids ($/bbl)Sales price
  
  37.20
  
  41.47
  
  39.64
  
  36.46
  
  31.27
  
  33.99
  
  26.94
  
  35.33
  
  38.66
  
  36.54Hedging (gain)
  
  0.09
  
  0.37
  
  0.63
  
  0.11
  
  (0.75
  )
  (0.16
  )
  (0.75
  )
  (0.04
  )
  0.12
  
  0.14Royalties
  
  6.83
  
  8.85
  
  6.66
  
  6.32
  
  5.52
  
  6.22
  
  4.29
  
  6.18
  
  8.34
  
  6.58Operating costs
  
  7.99
  
  8.53
  
  8.89
  
  7.17
  
  7.38
  
  7.15
  
  7.27
  
  6.96
  
  7.45
  
  6.9422.29
  
  23.72
  
  23.46
  
  22.86
  
  19.12
  
  20.78
  
  16.13
  
  22.23
  
  22.75
  
  22.88Natural gas ($/mcf)Sales price
  
  4.03
  
  5.20
  
  3.32
  
  4.02
  
  3.55
  
  5.22
  
  3.45
  
  3.66
  
  5.74
  
  8.24Hedging (gain)
  
  (0.22
  )
  (0.09
  )
  (0.30
  )
  (0.16
  )
  (0.33
  )
  0.02
  
  (0.28
  )
  (0.18
  )
  0.13
  
  0.43Royalties
  
  0.67
  
  0.89
  
  0.51
  
  0.65
  
  0.63
  
  1.14
  
  0.58
  
  0.66
  
  1.37
  
  2.01Operating costs
  
  0.69
  
  0.80
  
  0.72
  
  0.62
  
  0.61
  
  0.63
  
  0.73
  
  0.58
  
  0.62
  
  0.592.89
  
  3.60
  
  2.39
  
  2.91
  
  2.64
  
  3.43
  
  2.42
  
  2.60
  
  3.62
  
  5.21 
 (1)
  
  Includes operations in Indonesia and Malaysia/Vietnam.Netbacks do not include synthetic oil or pipeline operations  70