Transcontinental Gas Pipe Line Company, LLC

Fourth Revised Volume No. 1

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

Original Sheet No. 306 Original Sheet No. 306

RATE SCHEDULE ISS

Interruptible Storage Service

(Continued)

4. INJECTIONS INTO STORAGE (Continued)

4.2 Buyer may cause Seller to inject quantities of gas into storage for Buyer's account

under this Rate Schedule which are greater than or less than the quantities scheduled

in advance pursuant to Section 4.1 above, pursuant to the procedures outlined in

Section 18.1 of the General Terms and Conditions governing designation of delivery

point "swing" services.

5. WITHDRAWALS FROM STORAGE

5.1 For any day that Seller makes interruptible storage withdrawal service available under

this Rate Schedule and Buyer desires the delivery of gas stored for Buyer's account

under this Rate Schedule, Buyer shall nominate quantities for withdrawal according to

Seller's nomination and ranking deadlines as set forth in Section 28.1 of the General

Terms and Conditions. Seller, in its sole judgment, may waive any nomination and

ranking deadlines, on a non-discriminatory basis, if Seller determines operating

conditions permit. Seller shall thereupon withdraw for Buyer the quantity of gas

scheduled and Buyer's storage gas balance shall be reduced by the quantity of gas

scheduled for withdrawal on such day. Gas for withdrawal hereunder shall be made

available to Buyer or Buyer's designee at the delivery point set forth in the executed

ISS Service Agreement.

5.2 Buyer may cause Seller to withdraw quantities from storage for Buyer's account under

this Rate Schedule which are greater than or less than the quantities scheduled in

advance pursuant to Section 5.1 above, pursuant to the procedures outlined in Section

18.1 of the General Terms and Conditions governing designation of delivery point

"swing" services.

6. TRANSFERS OF STORAGE INVENTORY

Refer to Section 47 of the General Terms and Conditions.

7. FUEL ALLOWANCE

Seller will retain from Buyer's nominated storage injections a percentage or percentages of

gas as compensation for compressor fuel and gas otherwise used, lost or unaccounted for in

Seller's operations. Such percentage(s), if any, are specified on the currently effective

Sheet No. 28 of Volume No. 1 of this Tariff.

8. THIS SECTION IS RESERVED FOR FUTURE USE.