Arlington Storage Company, LLC

Original Volume No. 1

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

Substitute Original Sheet No. 208 Substitute Original Sheet No. 208

Superseding: Original Sheet No. 208

Exhibit C to the Firm Storage Service Agreement

between ASC and

____________________(Customer)

The quantity of Gas Customer may inject or withdraw pursuant to the Firm Storage Service Agreement at

any time shall be subject to the following ratchet provisions.

Customer Election

Injection/Withdrawal Ratchets:

_____ [ASC will establish ratchet percentage values that will reflect performance characteristics

of installed compression facilities and projected reservoir performance. Ratchets may be negotiated

at a higher or lower value than the mean expected performance level.]