Natural Gas Pipeline Company Of America

Seventh Revised Volume No. 1

Effective Date: 04/18/2008, Docket: RP08-319-000, Status: Effective

Original Sheet No. 15 Original Sheet No. 15 : Pending

CURRENTLY EFFECTIVE BASE RATES APPLICABLE TO RATE SCHEDULE ITS

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OFF-PEAK PERIOD COMMODITY AND AOR RATES 3/, 4/

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DELIVERY ZONE 2/

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RECEIPT ZONE 2/ Market Midcontinent Texok Louisiana South Texas Permian

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Iowa-Illinois

Maximum $ 0.1320 $ 0.2495 $ 0.3162 $ 0.3685 $ 0.3501 $ 0.3018

Minimum $ 0.0005 $ 0.0029 $ 0.0042 $ 0.0052 $ 0.0049 $ 0.0039

Amarillo

Maximum $ 0.1953 $ 0.1473 $ 0.3860 $ 0.3618 $ 0.3826 $ 0.2438

Minimum $ 0.0020 $ 0.0010 $ 0.0056 $ 0.0054 $ 0.0055 $ 0.0028

Gulf Coast Mainline

Maximum $ 0.1973 $ 0.2404 $ 0.1717 $ 0.2052 $ 0.1954 $ 0.2800

Minimum $ 0.0023 $ 0.0027 $ 0.0014 $ 0.0020 $ 0.0018 $ 0.0035

Midcontinent

Maximum $ 0.2782 $ 0.1457 $ 0.2216 $ 0.2552 $ 0.2703 $ 0.1978

Minimum $ 0.0034 $ 0.0010 $ 0.0023 $ 0.0030 $ 0.0037 $ 0.0019

Texok

Maximum $ 0.2978 $ 0.2102 $ 0.1205 $ 0.2030 $ 0.2392 $ 0.2712

Minimum $ 0.0037 $ 0.0021 $ 0.0002 $ 0.0015 $ 0.0031 $ 0.0033

Louisiana

Maximum $ 0.3323 $ 0.2769 $ 0.1314 $ 0.1187 $ 0.1368 $ 0.3292

Minimum $ 0.0045 $ 0.0034 $ 0.0006 $ 0.0003 $ 0.0007 $ 0.0044

South Texas

Maximum $ 0.3430 $ 0.3024 $ 0.1602 $ 0.1961 $ 0.1252 $ 0.3544

Minimum $ 0.0048 $ 0.0039 $ 0.0011 $ 0.0018 $ 0.0006 $ 0.0049

Permian

Maximum $ 0.3954 $ 0.1633 $ 0.3055 $ 0.3531 $ 0.3813 $ 0.1103

Minimum $ 0.0048 $ 0.0012 $ 0.0040 $ 0.0049 $ 0.0055 $ 0.0002

NOTES: The Balancing Service Charges are set out in Section 12 of the General Terms and Conditions.

The Unauthorized Overrun Charge is set out in Section 8 of the Rate Schedule.

Pursuant to Sections 3, 21 and 40 of the General Terms and Conditions, various surcharge

adjustments are applied to the Base Rates if applicable. See Sheet No. 32 for the currently

effective rates. In addition, other charges or credits as provided for in Rate Schedule ITS and

the General Terms and Conditions will be added or deducted on the monthly bills of affected

Shippers when applicable.

For footnotes, see Sheet Nos. 36 and 37. For definition of off-peak rates, see Footnote 1/.