Dominion Transmission, Inc.

Third Revised Volume No. 1

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Effective Date: 04/18/2009, Docket: RP09-461-000, Status: Effective

First Revised Sheet No. 2254 First Revised Sheet No. 2254

Superseding: Original Sheet No. 2254

FORM OF SERVICE AGREEMENT

APPLICABLE TO MARKET CENTER SERVICES

UNDER RATE SCHEDULE MCS

EXHIBIT A

To The MCS Agreement

Between Dominion Transmission , Inc.

And ________________________________

A. Quantities

1. The maximum quantity of gas which Pipeline shall

deliver and which Customer may tender for any combination of

services under Rate Schedule MCS on any Day shall be a

Maximum Market Center Services Quantity of _________ Dt.

Exhibit B shall set forth the individual transactions entered

into between Pipeline and Customer.

2. For purposes of determining Customer's eligibility

for nominated services under Rate Schedule MCS at any given

time, the Customer's Market Center Services Quantity shall

include:

a. All Balanced Quantities, and

b. Quantities nominated by Customer and confirmed

by Pipeline for Wheeling Service.

B. Points of Balancing, Receipt and Delivery

The points available for Balancing, Receipt, and

Delivery hereunder shall include any point identified in

Pipeline's Master Receipt Point List or Master Delivery Point

List, as posted on Pipeline's EBB from time to time; provided,

however, that the availability of Market Center Services

hereunder at any particular identified point is subject to

Pipeline's determination that sufficient capacity is available

to accommodate all or any part of the requested Market Center

Services at the requested point.