Natural Gas Pipeline Company Of America

Seventh Revised Volume No. 1

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

Original Sheet No. 387 Original Sheet No. 387 : Pending

GENERAL TERMS AND CONDITIONS

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(3) Midcontinent, Spot Delivered to Pipeline.

In calculating the AMIP, the WIPs will be based on the prices

reported in the issue of "Natural Gas Week" dated on or after

Natural's nomination deadline for first of the month service for

that month, and the subsequent issues dated prior to Natural's

nomination deadline for the following month's first of the month

service.

(d) Following the ten (10) day period for offsetting

imbalances, Shippers with remaining imbalances shall pay Natural or

will be credited with the appropriate cashout amounts.

(e) In the event "Natural Gas Week" ceases to publish

entirely or fails to publish the index prices listed in subsection

(c) above, the following procedures shall apply in determining a

month's AMIP:

(1) Should, in any given week, "Natural Gas Week"

fail to publish one of the three index prices used in determining

that week's WIP, the WIP will be determined using the average of

the remaining two published index prices.

(2) Should, in any given week, "Natural Gas Week"

fail to publish two or more of the three index prices used in

determining that week's WIP, there will be no WIP for that week

used in determining the month's AMIP.

(3) Should, in a given month, there be less than

two WIP's available for the AMIP calculation, the following

alternate AMIP procedures will apply: The AMIP will be defined as

the arithmetic average of:

(i) the closing price for the NYMEX natural

gas futures contract applicable to the month in which the imbalance

was created (i.e., the price at which that month's contract "went

off the board"); and

(ii) the individual daily closing prices for

the following month ("spot month" or "near month") NYMEX natural

gas contract during the month in which the imbalance was created,

up to and including the day the "spot month" contract "goes off the

board."