EXHIBIT 99.2

NRC Refining Margins Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec East 3.9 5.21 7.33 6.46 4.92 5.48 5.79 5.73 5.1 6.64 6.2 2 West 1.67 2.31 4.05 7 7.46 5.67 0.25 2.08 3.77 2.04 1.43 2.66 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 1.16 2.95 0.35 3.71 3.5 1.93 4.45 6.81 13.89 14.33 3.07 4.43 nrc gm 5.67 9.59 11.34 17.37 15.9 13.28 10.69 14.82 22.96 23.21 10.9 9.29 gc 321 budget 05 gc 321 05 nrc gm Rev bud Bud 06 '01-'05 Low to High Gross Margins '01-'05 Median '05 Gross Margin/bbl Median averages: (per bbl) 2000-2004: $7.36 2001-2005: $8.86

Woods Cross Refining Margins Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec East -1.09 1.21 5.56 4.32 6.98 2.33 2.87 3.93 -0.67 -0.95 4.97 -0.97 West 3.01 1.52 0.19 5.58 3.93 1.93 4.28 2.13 10.38 5.44 2.56 3.15 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 2.78 1.43 4.97 5 2.74 4.39 1.05 2.8 14.65 18.48 0.72 2.37 wx gm 0 4.35 6.05 15.1 13.85 2.33 8.4 8.12 24.56 23.17 8.45 0 gc 321 budget 05 gc 321 05 wx gm Rev bud 06 Bud Median averages: (per bbl) 2000-2004: $5.85 2001-2005: $6.15 '01-'05 Low to High Gross Margins '01-'05 Median '05 Gross Margin/bbl

MRC Refining Margins Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec East 0.06 2.96 3.92 6.57 5.59 4.14 4.83 4.03 5.15 3.47 7.67 2.94 West 5 1.78 3.57 3.56 3.6 3.75 3.9 1.95 6.22 4.87 1.79 1.89 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 1.82 4.69 2.61 6.52 6.95 7.63 1.6 6.07 3.27 3.79 0.42 5.9 mrc gm 5.16 6.19 6.2 16.85 14.54 4.14 4.83 4.03 14.84 12.33 10.08 10.77 gc 321 budget 05 gc 321 05 mrc gm Rev bud 06 Bud Median averages: (per bbl) 2000-2004: $7.71 2001-2005: $7.87 '01-'05 Low to High Gross Margins '01-'05 Median '05 Gross Margin/bbl