Arlington Storage Company, LLC

First Revised Volume No. 1

Effective Date: 11/08/2009, Docket: RP10-67-000, Status: Effective

Original Sheet No. 43 Original Sheet No. 43

IHBS RATE SCHEDULE

INTERRUPTIBLE HOURLY BALANCING SERVICE

(Continued)

2.3 In the event Customer desires to use Interruptible balancing service for balancing at

more than one delivery point on Transporters' pipeline systems under its Interruptible

Hourly Balancing Service Agreement, hourly balancing quantities for each such delivery

point shall be separately determined, nominated and used for purposes of billing Hourly

Balancing Charges.

2.4 To the extent Interruptible storage capacity which is being utilized by an Interruptible

Customer hereunder is needed by ASC in order to satisfy ASC's obligations to Firm Storage

Service Customers, ASC shall require Customer to withdraw all, or any portion of, the

IHBS Gas quantities held in storage by ASC for the account of Customer as specified by ASC.

Unless ASC otherwise agrees, Customer shall be required to make ratable withdrawals.

If Customer fails to withdraw such IHBS Gas from storage, ASC may take, free and clear of any adverse

claims, title to such IHBS Storage Inventory as Customer was instructed to withdraw. ASC's notice to

Customer may be given orally, but shall be confirmed in writing via e-mail or facsimile to the Customer.

In the event that ASC retains and takes title to any of Customer's Gas pursuant to this Section, ASC

shall credit the value of such Gas, net of any costs incurred by ASC to take title to and/or resell

such Gas, in accordance with the provisions of Section 31 of the General Terms and Conditions of this

FERC Gas Tariff.

In the event ASC needs to require Customer to withdraw its Gas from storage pursuant to this Section,

ASC shall provide day-ahead notice to Customer that it must withdraw Gas at its MDWQ during the next

Gas Day. ASC shall repeat this notice on a daily basis until all of Customer's Gas is withdrawn from

storage or until the circumstances necessitating interruption are alleviated. In the event Customer

makes a timely nomination in response to a notification by ASC pursuant to this paragraph, Customer's

obligation to comply with that notification shall be tolled until such time as ASC's operational

conditions allow ASC to schedule the nomination.

3. RATES AND CHARGES

Customer shall pay rates and charges for Interruptible hourly balancing service under this Rate

Schedule including the applicable storage rate components set forth in the IHBS Rate Statement

and as described below:

(a) Hourly Balancing Charge. A usage charge for each Dth of hourly balancing quantities

injected to or withdrawn from storage for Customer's account pursuant to Section

2.1(d) of this Rate Schedule.

(b) Storage Inventory Charge. A usage charge for each Dth of Gas in Customer's Storage

Inventory pursuant to Section 2.1(b) of this Rate Schedule at the end of each Day,

for each Day during a given Month.