Guardian Pipeline, L.L.C.

Original Volume No. 1

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Effective Date: 08/01/2010, Docket: RP10-926-000, Status: Effective

First Revised Sheet No. 27 First Revised Sheet No. 27

Superseding: Original Sheet No. 27

RATE SCHEDULE OSS

OFF-SYSTEM STORAGE SERVICE

1. DEFINITIONS

The terms used in this Rate Schedule shall have the meaning set forth in

Section 2 of the GT&C, unless otherwise defined herein.

2. AVAILABILITY

2.1 Provided there is off-system storage capacity, injection and

withdrawal rights available for sale by Transporter, this Rate

Schedule is available for any Person that has (a) requested

service under this Rate Schedule; (b) satisfied the requirements

of Section 10 of the GT&C; (c) entered into an OSS Service

Agreement with Transporter; and (d) entered into a Service

Agreement with Transporter for firm transportation service, and

thus is a Shipper.

2.2 Transporter shall accept requests for service under this Rate

Schedule in accordance with Section 10 of the GT&C.

2.3 This Rate Schedule shall be available from the OSS/LBS In-Service

Date through March 31, 2013, unless otherwise extended prior to

March 31, 2013, subject to the conditions set forth in this Rate

Schedule, in the Service Agreement, and the GT&C.

3. APPLICABILITY AND CHARACTER OF SERVICE

3.1 Service under this Rate Schedule shall be available on a daily

basis for the receipt of Natural Gas at the Point of Receipt up to

the OSS MDWQ as set forth in Exhibit "A" to Shipper's OSS Service

Agreement and the delivery of Natural Gas at the Point of Delivery

up to the OSS MDIQ as set forth in Exhibit "A" to Shipper's OSS

Service Agreement, except that:

(a) when Shipper's OSS Working Gas Account balance is equal to or

greater than 90% of its OSS MSQ, then Shipper's storage

injection rights will be limited to 80% of its otherwise

applicable OSS MDIQ;

(b) when Shipper's OSS Working Gas Account balance is equal to or

less than 20% but greater than 10% of its OSS MSQ, then

Shipper's storage withdrawal rights will be limited to 70% of

its otherwise applicable OSS MDWQ;