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. 305 Original Sheet No. 305

RATE SCHEDULE ISS

Interruptible Storage Service

(Continued)

3. RATES AND CHARGES

3.1 The maximum and minimum rates for service under this Rate Schedule are shown on the

currently effective Sheet No. 22 of Volume No. 1 of this Tariff. Buyer shall pay such

maximum rates for service under this Rate Schedule unless Seller, in its sole judgment

on a non-discriminatory basis, agrees to discount its rate to Buyer. Such discount

may be granted consistent with the applicable provisions of Section 40 of the General

Terms and Conditions.

3.2 For interruptible storage service rendered to Buyer under this rate schedule, Buyer

shall pay Seller each month the sum of the following amounts:

(a) Inventory Charge:

A charge per dt of the daily ISS quantity stored.

(b) Quantity Injected Charge:

A charge per dt for gas delivered into storage for Buyer's account.

(c) Quantity Withdrawn Charge:

A charge per dt for gas withdrawn from storage for Buyer's account.

(d) Unauthorized Storage Charge:

If Buyer fails to withdraw from storage a quantity of gas equal to or greater

than the quantity specified in Seller's notification to Buyer pursuant to Section

2.3 hereof by the date stated in such notification, then Buyer shall pay to

Seller an Unauthorized Storage Charge. The Unauthorized Storage Charge shall be

computed by multiplying $25/dt per day times each dt remaining in storage until

such time that Buyer withdraws the dt's necessary to be in compliance with

Seller's notification. From the Unauthorized Storage Charge collected, Seller

shall retain the maximum rate inventory charge per day times each dt remaining in

storage until such time that Buyer withdraws the quantity necessary to be in

compliance with Seller's notification. The amount being retained represents

Seller's cost to store the gas for the Buyer. The remaining portion of the

Unauthorized Storage Charge shall be considered the penalty revenue to be

distributed pursuant to Section 54 of the General Terms and Conditions.

3.3 Buyer shall pay Seller any and all filing fees incurred as a result of Buyer's request

for Seller's performance of service under this rate schedule, to the extent such fees

are imposed upon Seller by the FERC or any other governmental authority having

jurisdiction. Buyer shall pay Seller for such fees at Seller's designated office or

depository within ten days of receipt of Seller's invoice detailing the amount of such

fees. Seller shall not use the amounts so collected either as revenues or costs in

establishing its general system rates.

4. INJECTIONS INTO STORAGE

4.1 In advance of any day that Seller makes interruptible storage injection service

available under this rate schedule and Buyer desires Seller to store gas for its

account under this rate schedule, Buyer shall nominate quantities for injection

according to Seller's nomination and ranking deadlines as published on 1Line. Seller,

in its sole judgment, may waive any nomination and ranking deadlines, on a non-

discriminatory basis, if Seller determines operating conditions permit. Buyer shall

make available such scheduled quantity and Seller shall thereupon inject the scheduled

quantity into storage for Buyer's account on such day. Gas for injection hereunder

shall be made available by Buyer or Buyer's designee to Seller at the receipt point

set forth in the executed ISS Service Agreement.