UNITED STATES AVERAGE NATURAL GAS PRICES
($/MMBTU)
   
  SPOT   FOREIGN     CITY  DELIVERED TO
DATE WELLHEAD3   MARKET5   IMPORTS3     GATES3 RESIDENTIAL3
1960 0.13 N/A  N/A  0.33 0.99
1961 0.14 N/A  N/A  0.35 1.03
1962 0.15 N/A  N/A  0.35 1.00
1963 0.15 N/A  N/A  0.34 1.01
1964 0.14 N/A  N/A  0.33 1.02
1965 0.15 N/A  N/A  0.33 1.01
1966 0.15 N/A  N/A  0.32 1.00
1967 0.15 N/A  N/A  0.32 1.00
1968 0.15 N/A  N/A  0.32 1.00
1969 0.16 N/A  N/A  0.32 1.01
1970 0.16 N/A  N/A  0.34 1.05
1971 0.17 N/A  N/A  0.38 1.11
1972 0.18 N/A  N/A  0.41 1.16
1973 0.21 N/A  N/A  0.44 1.24
1974 0.29 N/A  0.57 0.55 1.38  
1975 0.42 N/A  1.26 0.77 1.64  
1976 0.56 N/A  1.66 0.94 1.90
1977 0.76 N/A  1.91 1.26 2.26
1978 0.88 N/A  2.13 1.41 2.46
1979 1.13 N/A  2.50 1.74 2.87
1980 1.53 N/A  4.25 2.32 3.54
1981 1.90 N/A  4.65 2.78 4.13
1982 2.37 N/A  4.75 3.46 4.97
1983 2.49 N/A  4.34 3.88 5.83
1984 2.56 N/A  3.92 3.74 5.88
1985 2.41 2.39 3.07 3.61 5.88
1986 1.87 1.62 2.43 3.10 5.61
1987 1.61 1.42 2.09 2.76 5.33
1988 1.63 1.63 1.92 2.81 5.26
1989 1.63 1.58 1.96 2.89 5.42
1990 1.64 1.61 1.87 2.91 5.58
   January 1.88 1.74 2.03 2.96 5.33
   February 1.56 1.30 1.85 2.83 5.35
   March 1.43 1.26 1.79 2.67 5.38
   April 1.44 1.27 1.72 2.63 5.67
   May 1.42 1.26 1.67 2.65 6.04
   June 1.38 1.21 1.65 2.75 6.70
   July 1.29 1.07 1.62 2.63 6.95
   August 1.38 1.14 1.54 2.67 7.08
   September 1.53 1.34 1.61 2.80 6.65
   October 1.75 1.65 1.73 2.81 5.96
   November 1.82 1.68 1.84 2.81 5.30
   December 1.92 1.84 1.90 2.93 5.30
1991 Average 1.57 1.40 1.75 2.76 5.98
   January 1.67 1.61 1.90 2.79 5.32
   February 1.21 1.00 1.62 2.60 5.33
   March 1.30 1.17 1.59 2.51 5.29
   April 1.37 1.33 1.57 2.63 5.40
   May 1.45 1.48 1.60 2.79 5.91
   June 1.56 1.61 1.70 2.88 6.58
   July 1.49 1.42 1.63 2.89 6.99
   August 1.77 1.79 1.76 3.06 7.16
   September 1.85 1.89 1.88 3.11 6.88
   October 2.29 2.57 2.13 3.37 6.27
   November 2.05 2.20 1.88 3.20 5.79
   December 1.99 2.13 2.05 3.05 5.52
1992 Average 1.67 1.68 1.78 2.91 6.04
   January 1.95 1.93 1.99 2.99 5.51
   February 1.69 1.59 1.82 2.83 5.51
   March 1.92 1.84 1.87 2.94 5.45
   April 1.98 2.09 1.95 3.12 5.79
   May 2.10 2.53 2.09 3.44 6.52
   June 1.90 1.89 1.90 3.31 7.09
   July 1.91 1.86 1.85 3.21 7.56
   August 1.96 1.96 1.89 3.22 7.82
   September 2.01 2.24 2.01 3.40 7.45
   October 1.94 1.95 1.86 3.03 6.53
   November 1.95 1.99 1.99 3.03 5.93
   December 2.07 2.33 2.18 3.14 5.84
1993 Average 1.95 2.02 1.95 3.14 6.42
   January 1.86 1.98 2.03 2.92 5.70
   February 1.81 2.18 2.15 3.13 5.81
   March 1.86 2.20 2.13 3.20 6.06
   April 1.84 1.88 1.88 3.03 6.35
   May 1.92 1.94 1.87 3.05 6.58
   June 1.73 1.65 1.70 3.05 7.37
   July 1.74 1.80 1.75 3.00 7.79
   August 1.76 1.66 1.69 3.03 7.90
   September 1.71 1.42 1.60 2.81 7.54
   October 1.63 1.34 1.48 2.69 6.60
   November 1.68 1.58 1.64 2.73 6.03
   December 1.81 1.62 1.65 2.75 5.83
1994 Average 1.78 1.77 1.80 2.95 6.63
   January 1.56 1.54 1.54 2.68 5.63
   February 1.42 1.32 1.40 2.61 5.54
   March 1.41 1.34 1.35 2.63 5.62
   April 1.46 1.41 1.32 2.62 5.83
   May 1.49 1.53 1.40 2.69 6.29
   June 1.52 1.57 1.41 2.78 7.20
   July 1.38 1.38 1.35 2.78 7.52
   August 1.38 1.26 1.29 2.76 7.82
   September 1.46 1.45 1.38 2.78 7.43
   October 1.48 1.53 1.42 2.72 6.37
   November 1.55 1.66 1.55 2.57 5.39
   December 1.77 2.03 1.73 2.72 5.33
1995 Average 1.49 1.50 1.43 2.69 6.33
   January 1.97 2.57 2.01 3.02 5.42
   February 1.82 2.02 1.88 3.04 5.60
   March 1.88 2.31 1.85 3.05 5.70
   April 2.00 2.32 1.80 3.10 6.03
   May 1.93 2.02 1.65 3.06 6.58
   June 2.00 2.16 1.63 3.28 7.53
   July 2.16 2.37 1.77 3.36 8.31
   August 2.02 2.13 1.73 3.33 8.39
   September 1.78 1.68 1.56 2.93 7.68
   October 1.87 1.73 1.64 2.83 6.78
   November 2.40 2.61 2.17 3.33 6.13
   December 3.13 3.70 2.88 4.02 6.22
1996 Average 2.08 2.30 1.88 3.19 6.70
   January 3.27 3.96 3.13 4.12 6.48
   February 2.39 2.78 2.42 3.62 6.53
   March 1.72 1.65 1.65 2.95 6.27
   April 1.74 1.73 1.61 2.81 6.28
   May 1.92 1.98 1.76 2.99 6.57
   June 2.00 2.16 1.81 3.28 7.98
   July 1.92 2.03 1.77 3.31 8.44
   August 2.00 2.07 1.76 3.21 8.64
   September 2.24 2.40 1.93 3.37 8.50
   October 2.58 2.94 2.24 3.71 7.39
   November 2.81 3.19 2.62 4.58 6.60
   December 2.19 2.38 2.11 3.29 6.29
1997 Average 2.23 2.44 2.07 3.44 7.16
   January 1.88 2.19 2.00 2.96 6.16
   February 1.88 1.93 1.87 2.96 6.16
   March 1.98 2.16 1.90 2.94 6.05
   April 2.08 2.22 1.96 3.11 6.55
   May 1.96 2.21 1.94 3.00 7.40
   June 1.84 1.95 1.81 2.87 8.18
   July 2.01 2.26 1.89 3.18 8.20
   August 1.75 1.88 1.75 2.89 8.89
   September 1.63 1.58 1.62 2.67 8.62
   October 1.79 1.94 1.86 2.88 7.31
   November 1.87 1.97 2.04 2.88 6.33
   December 1.88 2.06 2.08 2.98 6.10
1998 Average 1.88 2.03 1.89 2.94 7.16
   January 1.78 1.75 1.95 2.74 5.77
   February 1.70 1.74 1.86 2.81 6.05
   March 1.63 1.58 1.73 2.66 5.83
   April 1.83 1.82 1.78 2.77 6.19
   May 2.09 2.24 2.09 3.13 7.02
   June 2.06 2.15 2.05 3.00 7.88
   July 2.12 2.20 2.10 2.99 8.49
   August 2.41 2.52 2.30 3.26 8.79
   September 2.52 2.79 2.53 3.45 8.30
   October 2.42 2.46 2.40 3.09 7.27
   November 2.58 2.96 2.74 3.57 6.88
   December 2.15 2.09 2.25 3.07 6.26
1999 Average 2.11 2.19 2.15 3.04 7.06
   January 2.50 2.28 2.35 3.14 6.13
   February 2.63 2.54 2.50 3.35 6.29
   March 2.56 2.52 2.51 3.40 6.64
   April 2.75 2.81 2.75 3.58 6.91
   May 2.92 2.99 2.93 3.99 7.94
   June 3.63 4.27 3.72 4.99 9.13