Date Crude Price Jan-01 24.64 Feb-01 25.27 Mar-01 22.98 Apr-01 23.39 May-01 24.06 Jun-01 23.43 Jul-01 22.82 Aug-01 23.08 Sep-01 22.37 Oct-01 18.73 Nov-01 16.40 Dec-01 15.54 Jan-02 15.89 Feb-02 16.93 Mar-02 20.28 Apr-02 22.52 May-02 23.51 Jun-02 22.59 Jul-02 23.51 Aug-02 24.76 Sep-02 26.08 Oct-02 25.29 Nov-02 23.38 Dec-02 25.29 Jan-03 28.42 Feb-03 31.85 Mar-03 30.10 Apr-03 25.45 May-03 24.95 Jun-03 26.84 Jul-03 27.52 Aug-03 27.94 Sep-03 25.23 Oct-03 26.53 Nov-03 27.21 Dec-03 28.53 Jan-04 30.35 Feb-04 31.21 Mar-04 32.86 Apr-04 33.20 May-04 35.73 Jun-04 34.53 Jul-04 36.54 Aug-04 40.10 Sep-04 40.56 Oct-04 46.14 Nov-04 42.85 Dec-04 38.22 Jan-05 40.18 Feb-05 42.19 Mar-05 47.56 Apr-05 47.26 May-05 44.03 Jun-05 49.83 Jul-05 53.35 Aug-05 58.90 Sep-05 59.64 Oct-05 56.99 Nov-05 53.20 Dec-05 53.24 Jan-06 57.85 Feb-06 55.69 Mar-06 55.59 Apr-06 62.51 May-06 64.31 Jun-06 64.36 Jul-06 67.72 Aug-06 67.21 Sep-06 59.36 Oct-06 53.26 Nov-06 52.42 Dec-06 55.03 Jan-07 49.32 Feb-07 52.93 Mar-07 58.70