Transcontinental Gas Pipe Line Company, LLC

Fourth Revised Volume No. 1

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Effective Date: 12/31/2008, Docket: RP09-158-000, Status: Effective

Original Sheet No. 307 Original Sheet No. 307

RATE SCHEDULE ISS

Interruptible Storage Service

(Continued)

9. PROCEDURES FOR ALLOCATING AVAILABLE CAPACITY

9.1 In allocating capacity or curtailing service among Buyers under this Rate Schedule,

Seller shall give interruptible priority based on Buyer's willingness to pay the

highest unit rate for such service (not to exceed the maximum rate for such service)

with Buyers paying the highest unit rate, or Buyers, which when given notice of

interruption are willing to pay the highest unit rate, receiving first priority and so

on (with capacity allocated on a pro rata basis among Buyers willing to pay the same

unit rate for such service).

9.2 In no event shall the quantity to be injected or withdrawn hereunder exceed the

quantity of gas scheduled under the applicable Transportation Rate Schedule used to

deliver ISS Rate Schedule gas for injection or to receive gas for withdrawal.

10. RECORDS OF INJECTION AND WITHDRAWAL

Seller shall keep accurate records of quantities injected and withdrawn from Buyer's account,

and of Buyer's stored volume, which records shall be made available to Buyer at its request.

11. QUALITY

Refer to Section 3 of the General Terms and Conditions.

12. MEASUREMENT

Refer to Section 4 of the General Terms and Conditions.

13. GENERAL TERMS AND CONDITIONS

The General Terms and Conditions which are applicable to this rate schedule are made a part

hereof. However, in the event of any inconsistencies between the General Terms and

Conditions and this Rate Schedule ISS, the terms and conditions of this Rate Schedule ISS

shall control.