Arlington Storage Company, LLC

Original Volume No. 1

Effective Date: 08/24/2009, Docket: RP09-872-001, Status: Effective

Substitute Original Sheet No. 206 Substitute Original Sheet No. 206

Superseding: Original Sheet No. 206

Exhibit A to the Firm Storage Service Agreement

between ASC and

____________________(Customer)

dated __________

I. Maximum Daily Injection Quantity ("MDIQ"):

Effective Date or Event: MDIQ

______________________________________ _____________ Dth

II. Maximum Storage Quantity ("MSQ"):

Effective Date or Event: MSQ

______________________________________ _____________ Dth

III. Maximum Daily Withdrawal Quantity ("MDWQ"):

Effective Date or Event: MDWQ

______________________________________ _____________ Dth

Notes:

1. The MDIQ, MSQ or MDWQ values set forth for a specified period shall remain in effect

until the conclusion of the Gas Day preceding the date or event specified as the date

or event on which a revised MDIQ, MSQ or MDWQ is to become effective.

2. Additional lines may be added if ASC and Customer agree to more than three sets of

date ranges defining specific MDIQ, MSQ and/or MDWQ values.