Exhibit 99.16
(Text of graph posted to Ashland Inc.'s website concerning
Sour Crude Differential)
MAYA - WTI SPREADS
1998 1999 2000 2001 2002 2003 2004 1998-2003 Avg.
---- ---- ---- ---- ---- ---- ---- --------------
January -5.99 -4.69 -6.52 -11.26 -5.90 -5.33 -8.62 -6.61
February -5.57 -4.89 -6.24 -10.69 -5.77 -7.97 -9.83 -6.86
March -6.24 -4.99 -6.14 -10.35 -5.30 -9.28 -9.69 -7.05
April -4.97 -4.75 -5.78 -11.55 -4.28 -7.82 -8.69 -6.53
May -4.55 -5.01 -5.74 -11.02 -4.76 -6.32 -8.43 -6.23
June -4.24 -4.94 -6.74 -9.11 -4.06 -7.43 -8.70 -6.09
July -4.43 -4.81 -6.97 -8.02 -4.56 -5.84 -10.06 -5.77
August -4.60 -4.05 -7.53 -8.41 -5.46 -5.95 -12.25 -6.00
September -5.10 -4.70 -7.42 -6.40 -5.16 -6.13 -5.82
October -4.84 -4.28 -7.60 -6.46 -5.07 -6.16 -5.74
November -4.65 -5.43 -10.25 -6.75 -6.60 -6.79 -6.74
December -4.78 -5.99 -10.50 -6.04 -6.58 -7.38 -6.88
Average -5.00 -4.88 -7.29 -8.84 -5.29 -6.87 -9.53 -6.36
MARS - WTI SPREADS
1998 1999 2000 2001 2002 2003 2004 1998-2003 Avg.
---- ---- ---- ---- ---- ---- ---- --------------
January -3.20 -2.45 -3.52 -7.69 -2.17 -3.38 -4.12 -3.73
February -3.88 -2.64 -2.91 -7.53 -1.99 -5.39 -5.67 -4.06
March -3.88 -3.11 -3.91 -6.04 -2.08 -6.10 -4.62 -4.18
April -3.98 -2.70 -3.87 -5.58 -1.66 -4.09 -5.53 -3.65
May -3.16 -2.84 -3.83 -5.10 -2.78 -3.59 -4.38 -3.55
June -2.52 -3.35 -4.30 -3.48 -2.05 -3.73 -4.81 -3.24
July -2.29 -2.64 -4.41 -3.65 -1.94 -3.28 -5.04 -3.03
August -2.39 -1.90 -3.86 -5.02 -3.02 -3.13 -6.25 -3.22
September -2.47 -2.74 -4.91 -4.37 -2.47 -3.34 -3.38
October -2.48 -2.67 -6.17 -4.29 -2.85 -3.10 -3.59
November -3.31 -2.45 -5.87 -3.92 -4.46 -3.53 -3.92
December -3.22 -2.85 -5.61 -2.89 -2.88 -2.82 -3.38
Average -3.06 -2.69 -4.43 -4.96 -2.53 -3.79 -5.05 -3.58