Trunkline Gas Company, LLC

Third Revised Volume No. 1

Effective Date: 04/15/2004, Docket: RP04-218-000, Status: Effective

First Revised Sheet No. 455 First Revised Sheet No. 455 : Effective

Superseding: Original Sheet No. 455

RATE SCHEDULE FFZ (Continued)

FLEXIBLE FIELD ZONE TRANSPORTATION SERVICE

FORM OF SERVICE AGREEMENT

Commission. For example, Shipper and Trunkline may agree that a

specified discounted rate shall apply: (a) only to certain Quantities

under this Agreement; (b) only if specified Quantity levels are actually

achieved or only with respect to Quantities below a specified level; (c)

only during specified time periods; (d) only to specified Points of

Receipt, Points of Delivery, mainline segments, transportation paths or

defined geographical areas; (e) in a specified relationship to the

Quantities actually transported (i.e., that the rates shall be adjusted

in a specified relationship to Quantities actually transported); or (f)

based on published index prices for specific receipt or delivery points

or other agreed upon pricing reference points for price determination

(Such discounted rate may be based on the published index price point

differential or arrived at by formula. Any Service Agreement containing

an index based discount will identify what rate component is discounted.

To the extent the firm reservation charge is discounted, the index price

differential rate formula shall be calculated to state a rate per unit

of Maximum Daily Quantity.); provided, however, that any such discounted

rate set forth above shall be between the Maximum Rate and Minimum Rate

applicable to the service provided under this Agreement. Any discount

shall be effective only on a prospective basis and as specified in the

written agreement between Trunkline and Shipper.

From time to time Shipper and Trunkline may agree to a Negotiated

Rate for a specified term for service hereunder. Provisions governing

such Negotiated Rate and term shall be set forth on Exhibit D to this

Service Agreement.