T.W. Phillips Pipeline Corp.

Original Volume No. 1

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Effective Date: 01/01/2010, Docket: RP10-141-000, Status: Effective

Original Sheet No. 52 Original Sheet No. 52

GENERAL TERMS AND CONDITIONS

(Continued)

13. IMBALANCES AND OVERRUNS

13.1. Responsibility for Balancing – Shippers are obligated to deliver and receive Gas

in conformance with their confirmed nominations. Transporter will enter into an

Operational Balancing Agreement (“OBA”) at all points of interconnection between

its system and the system of another interstate or intrastate pipeline. If an

OBA is not in place or the imbalance is beyond the terms of the OBA, Shippers are

responsible for conforming their takes at Delivery Points with their deliveries

to Transporter at Receipt Points each day. Transporter has no obligation to

deliver for the account of a Shipper more volumes of Gas than Transporter has

received for the account of the Shipper or to accept for the account of the

Shipper more volumes of Gas than are being delivered for the account of the

Shipper on any day.

13.2. Monthly Imbalances – Where Shipper has created a monthly imbalance on Transpor-

ter’s pipeline that has not been eliminated through netting and trading, Shipper

shall pay Transporter a Monthly Imbalance Charge in the following amounts:

13.2.1. Normal Operating Conditions – For monthly imbalances accumulated during

normal operating conditions, Shipper’s Monthly Imbalance Charge shall

equal zero for monthly imbalances between zero and 5 percent, and $0.10

per MMBtu for imbalances in excess of 5 percent. For purposes of this

section, Shipper’s actual cumulative receipts during normal operating

conditions shall be stated as a percent of actual cumulative deliveries

during normal operating conditions during the billing month.

13.2.2. OFO Operating Conditions – For monthly imbalances accumulated during

periods when an OFO pursuant to Section 11 is in effect, Shipper’s

Monthly Imbalance Charge on monthly imbalances shall be as set forth in

the applicable bracket:

Monthly Imbalance Imbalance Charge per MMBtu

>5% - 7% $25 plus the Daily Index Price

>7% - 15% $50 plus the Daily Index Price

>15% $100 plus the Daily Index Price