Guardian Pipeline, L.L.C.

Original Volume No. 1

Effective Date: 04/01/2008, Docket: RP08-227-000, Status: Effective

Original Sheet No. 31 Original Sheet No. 31 : Pending

RATE SCHEDULE OSS (Continued)

OFF-SYSTEM STORAGE SERVICE

provided, however, that:

(g) on any Day, all quantities subject to the Inventory

Transfer do not result in Shipper exceeding its OSS MSQ

or LBS MSQ or result in Shipper's OSS Working Gas

Account balance or LBS Account balance to be less than

zero;

(h) on any Day, if Shipper nominates such Inventory Transfer

by the Timely Nomination Cycle, then the Inventory

Transfer will be effective at 12:00 p.m. CCT of the next

Day;

(i) on any Day, if Shipper nominates such Inventory Transfer

during the Evening Nomination Cycle, Intra-Day 1

Nomination Cycle or Intra-Day 2 Nomination Cycle, then

such Inventory Transfer will be effective no later than

the end of the following Day; and

(j) if Shipper has executed only a LBS Service Agreement and

not an OSS Service Agreement, or if Shipper has executed

only an OSS Service Agreement and not a LBS Service

Agreement, the Inventory Transfers referenced in this

Section 3.11(a) and 3.11(b) would not be available to

such Shipper.

All such nominations made for Inventory Transfers subject to

Section 3.11 herein shall be made according to the provisions set

forth in Transporter's Tariff. In addition, nominations made for

Inventory Transfers will be subject to the ability of Transporter

to make such inventory transfers as set forth in Third-Party's

currently effective FERC Gas Tariff. Furthermore, Inventory

Transfers will be subject to any costs applicable to such

Inventory Transfer that may be assessed on Transporter by Third-

Party for conducting such Inventory Transfer. However, in the

event that Transporter can administratively conduct an Inventory

Transfer without such Inventory Transfer having to be nominated by

Transporter and scheduled by Third-Party, then such Inventory

Transfer will be conducted by Transporter on behalf of Shipper

subject to the conditions set forth in this Section