Selected Crude Oil Price Daily: August 2011

Date Exchange Rate Cdn Par Edmonton* Cdn Heavy Hardisty Cdn Par Chicago WTI NYMEX Chicago Brent Chicago Cdn Heavy Chicago Brent Montreal Brent Sarnia
$ Cdn/m3
2011-08-01 0.9538 586.24 523.33 608.02 576.42 714.80 548.85 714.41 728.03
2011-08-02 0.9580 588.74 507.75 610.56 572.33 712.34 533.31 711.95 725.57
2011-08-03 0.9634 588.74 501.50 610.62 564.28 701.99 527.13 701.60 715.22
2011-08-04 0.9767 578.41 487.00 600.43 539.51 677.40 512.79 677.00 690.62
2011-08-05 0.9843 567.41 477.25 589.51 545.26 698.21 503.13 696.82 710.44
2011-08-06 0.9843 571.24 494.67 593.34 - - 520.54 - -
2011-08-07 0.9843 571.24 494.67 593.34 - - 520.54 - -
2011-08-08 0.9890 558.41 463.50 580.55 513.21 662.29 489.43 660.89 674.51
2011-08-09 0.9893 517.07 425.00 539.22 500.86 666.54 450.94 665.13 678.75
2011-08-10 0.9910 517.07 430.50 539.24 524.10 675.54 456.46 674.13 687.75
2011-08-11 0.9892 530.07 444.75 552.22 540.76 688.87 470.68 687.47 701.09
2011-08-12 0.9879 530.07 444.75 552.21 537.93 686.10 470.67 683.77 697.39
2011-08-13 0.9879 517.74 453.00 539.88 - - 478.92 - -
2011-08-14 0.9879 517.74 453.00 539.88 - - 478.92 - -
2011-08-15 0.9838 530.07 444.75 552.17 551.17 698.29 470.62 695.97 709.59
2011-08-16 0.9817 560.07 467.50 582.14 542.40 695.38 493.35 693.06 706.68
2011-08-17 0.9820 560.07 467.50 582.15 548.31 702.45 493.35 700.13 713.75
2011-08-18 0.9901 547.41 453.25 569.57 520.45 685.08 479.20 682.74 696.36
2011-08-19 0.9849 547.41 453.25 569.51 516.97 696.47 479.13 696.06 709.68
2011-08-20 0.9849 552.74 470.67 574.85 - - 496.55 - -
2011-08-21 0.9849 552.74 470.67 574.85 - - 496.55 - -
2011-08-22 0.9901 547.41 453.25 569.57 531.28 677.29 479.20 676.88 690.50
2011-08-23 0.9877 558.74 461.50 580.87 537.14 703.24 487.42 702.83 716.45
2011-08-24 0.9880 553.41 462.25 575.54 535.50 705.25 488.17 704.84 718.46
2011-08-25 0.9843 552.41 461.75 574.51 534.86 705.89 487.63 705.48 719.10
2011-08-26 0.9843 552.41 461.75 574.51 535.91 710.72 487.63 710.31 723.93
2011-08-27 0.9843 551.74 476.33 563.55 - - 490.46 - -
2011-08-28 0.9843 551.74 476.33 563.55 - - 490.46 - -
2011-08-29 0.9780 552.41 464.50 574.44 544.17 713.49 490.30 713.09 726.71
2011-08-30 0.9793 563.41 476.25 585.45 554.93 724.91 502.07 724.51 738.13
2011-08-31 0.9784 614.41 498.50 636.44 553.87 726.83 524.31 726.43 740.05
Average 0.9190 554.48 468.41 575.89 540.07 696.93 493.51 695.89 709.51

Conversion: 1 cubic meter = 6,29 barrel
*Edmonton postings adjusted to 0,5% sulphur