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. 321 Original Sheet No. 321 : Pending

GENERAL TERMS AND CONDITIONS

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(viii) Nominations for interruptible

transportation service (including authorized overrun service under

firm Rate Schedules) for injection or withdrawal under authorized

overrun storage rights within MDQ and MSV under Rate Schedules DSS

and NSS will be scheduled next and will be curtailed after category

(ix) and before category (vii). In the event there is sufficient

capacity to provide some but not all of the nominated service,

capacity will be allocated based on the priority of the

transportation Agreement as set forth in Section 5.7.

(ix) Nominations for interruptible

transportation service (including authorized overrun service in

excess of MDQ under firm Rate Schedules) for injection or withdrawal

under BESS or PALS Agreements and under authorized overrun properly

requested under Rate Schedules DSS and NSS in excess of MDQ, MSV

and/or MAC and authorized overrun properly requested under Rate

Schedule FRSS in excess of MDQ, IQ, WQ or WSWQ will be scheduled

last and will be curtailed first. If there is sufficient capacity to

provide some but not all of the nominated service, capacity will be

allocated based on the priority of the transportation Agreement as

set forth in Section 5.7.

Notwithstanding the foregoing, Natural shall

exclude any Shipper from scheduling constraints or curtailment to

the extent that deliveries/injections or receipts/withdrawals, as

applicable, under the applicable transportation or storage Agreement

either alleviate a constraint or do not create a constraint in

relation to the storage point in light of the specific Receipt or

Delivery Point for such gas and the capacity available to Shipper

under its Agreement considered in relation to operating conditions

that day on Natural's system.

Schedules DSS and NSS, supplies shall be allocated for sourcing

purposes as follows:

(1) Gas delivered to storage under confirmed

nominations in conjunction with an NSS, DSS or FRSS Agreement shall

be deemed injected based on the location of the supply source. All

supply sources received on the Amarillo Line and north of Station

311 on the Gulf Coast Line are deemed Amarillo receipts and all

other receipts are deemed Gulf Coast receipts, the Amarillo and Gulf

Coast Lines being otherwise defined as in Section 9.2 of these

General Terms and Conditions. Notwithstanding the foregoing, Natural

shall post prior to the beginning of the month, at least