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. 135 Original Sheet No. 135

RATE SCHEDULE WSS-OPEN ACCESS

Washington Storage Service-Open Access

(Continued)

4. DEFINITIONS

4.1 Storage Demand

The Storage Demand shall be that quantity set forth in the executed Service Agreement

and shall be utilized to determine the Demand Charges payable by Buyer hereunder.

4.2 Storage Capacity Quantity

The Storage Capacity Quantity shall be specified in the executed Service Agreement and

shall be utilized to determine the Storage Capacity Quantity Charges payable by Buyer

hereunder.

4.3 Storage Gas Balance

The Storage Gas Balance of Buyer at any particular time shall be the quantity of gas

in storage for Buyer's account at such time.

5. GENERAL DESCRIPTION OF OPERATION

Subject to the limitations described in Sections 6 and 7 hereof, Buyer shall provide Seller

with a quantity of gas up to Buyer's Storage Capacity Quantity plus a percentage or

percentages of such quantity as compensation for compressor fuel and gas otherwise used, or

lost and unaccounted for, in Seller's operations. Such percentage(s) is specified in the

currently effective Sheet No. 28 of Volume No. 1 of this Tariff and does not include the fuel

to be retained by Seller under Seller's firm and interruptible transportation Rate Schedules

to transport gas to and from the Washington Storage Field.

6. INJECTIONS INTO STORAGE

6.1 General Procedure

(a) When Buyer desires Seller to store gas for its account under this Rate Schedule,

Buyer or Buyer's designee shall nominate quantities to be delivered for injection

in accordance with 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 that operating conditions permit. Such nominated quantities

shall be subject to confirmation by Seller which shall be based on the best

operating information available to Seller. Such confirmed quantity shall be

deemed the scheduled quantity. Buyer shall make available such scheduled

quantity, plus fuel as determined in accordance with Section 5 hereof, and Seller

shall thereupon inject the scheduled quantity into storage for Buyer's account on

such day, subject to the provisions of Section 6.1(b). Gas for injection

hereunder shall be made available by Buyer at the receipt point set forth in the

executed WSS-Open Access Service Agreement as a result of transportation services

performed for Buyer or Buyer's designee.