Colorado Interstate Gas Company

First Revised Volume No. 1

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Effective Date: 07/28/2003, Docket: CP03- 52-001, Status: Effective

Third Revised Sheet No. 228C Third Revised Sheet No. 228C : Effective

Superseding: Second Revised Sheet No. 228C

GENERAL TERMS AND CONDITIONS

(Continued)

CIG STORAGE

STANDARD AVAILABLE DAILY INJECTION QUANTITY TABLE

%MAC %MDIQ %MAC %MDIQ %MAC %MDIQ

---- ----- ---- ----- ---- -----

100 69 66 80 32 90

98 70 64 80 30 91

96 70 62 81 28 91

94 71 60 81 26 92

92 72 58 82 24 93

90 72 56 83 22 93

88 73 54 83 20 94

86 73 52 84 18 94

84 74 50 85 16 95

82 75 48 85 14 96

80 75 46 86 12 96

78 76 44 86 10 97

76 76 42 87 8 98

74 77 40 88 6 98

72 78 38 88 4 99

70 78 36 89 2 99

68 79 34 89 0 100

HIGH AVAILABLE DAILY INJECTION QUANTITY TABLE

%MAC %MDIQ %MAC %MDIQ %MAC %MDIQ

---- ----- ---- ----- ---- -----

100 89 66 101 32 113

98 90 64 102 30 114

96 91 62 103 28 115

94 91 60 103 26 116

92 92 58 104 24 116

90 93 56 105 22 117

88 94 54 106 20 118

86 94 52 106 18 118

84 95 50 107 16 119

82 96 48 108 14 120

80 96 46 108 12 121

78 97 44 109 10 121

76 98 42 110 8 122

74 99 40 111 6 123

72 99 38 111 4 123

70 100 36 112 2 124.1

68 101 34 113 0 124.8

NOTE: %MAC means the percent of the Shipper's MAC currently in CIG storage

expressed as a whole number.