Great Lakes Gas Transport, L.L.C.

Second Revised Volume No. 1

Effective Date: 01/01/1998, Docket: RP98- 82-000, Status: Effective

First Revised Sheet No. 20 First Revised Sheet No. 20 : Effective

Superseding: Original Sheet No. 20

FT RATE SCHEDULE

Firm Transportation Service

(cont'd)

4. AUTHORIZED OVERRUN TRANSPORTATION

4.1 Upon request of Shipper, Transporter may (but is not obligated to)

receive, transport, and deliver quantities of natural gas in excess

of Shipper's MDTQ on any day under the FT Service Agreement when, in

Transporter's judgment, the delivery capacity of its system will per-

mit such receipt, transportation, and delivery without impairing the

ability of Transporter to meet its other delivery obligations. De-

liveries pursuant to such Authorized Overrun Transportation shall be

subordinated to all firm transportation services and shall be sche-

duled, together with Authorized Overrun Transportation under Rate

Schedule IT, on a first-come, first-served basis.

4.2 Shipper shall pay Transporter the applicable rate for Authorized Over-

run Transportation set forth on Sheet No. 5 of this tariff. Charges

under Section 13 of the GT&C shall only be applicable to discrepancies

from the agreed quantities of Authorized Overrun Transportation.

5. MINIMUM MONTHLY BILL

The minimum monthly bill shall be the Reservation Charge.

6. RECEIPT AND DELIVERY PRESSURE

6.1 Shipper shall provide gas to Transporter at pressure sufficient to

enter Transporter's pipeline at the point(s) of receipt, provided,

however, that such pressure shall not exceed any maximum pressure

determined by Transporter from time to time. Transporter shall de-

liver gas to or for the account of Shipper at the delivery point(s) at

the pressure existing in Transporter's system.

6.2 Shipper will make deliveries of gas to Transporter for transportation

hereunder at mutually agreeable points of receipt on Gas Transport's

system, as described in the executed serviced agreement. Prior to the

initial receipt of such gas, Shipper shall reimburse Transporter the

cost of any facilities that Transporter installed to receive, trans-

port or deliver Shipper's gas.

6.3 All gas tendered by Shipper for transportation hereunder shall conform

to the quality provisions of the GT&C of Transporter's FERC Gas

Tariff, Second Revised Volume No. 1.