Enbridge Pipelines (Midla) Inc.

Fourth Revised Volume No. 1

Effective Date: 10/01/2002, Docket: RP02-486-000, Status: Effective

First Revised Sheet No. 154 First Revised Sheet No. 154 : Effective

Superseding: Original Sheet No. 154

(iii) In order for Customer to post imbalances to the Pipeline's

Internet web site, it must complete and submit to Pipeline,

the Monthly Imbalance Trading and Netting Form No 1, in

accordance with the methods prescribed on such form.

Pipeline must receive such completed form by 11:45 a.m.

Central Clock Time ("CCT") in order for imbalances to be

posted by 8:00 a.m. CCT the next business day. Upon receipt

of such form, Pipeline shall post Customer's imbalances to

its Internet web site, to allow Customer to trade the

specific quantity with other Customers. Any imbalances

authorized for posting received by Transporter by 11:45 a.m.

CCT on the eighth (8th) business day of the month shall be

effective by 8:00 a.m. the next business day. Imbalances

previously authorized for posting shall be posted on or

before the ninth business day of the month. Customer shall

have the ability to view, and download such postings.

Pipeline shall not be required to post zero (0) imbalances.

(iv) In order for Customer to trade and/or net its imbalances, it

must complete and submit to Pipeline the appropriate Monthly

Imbalance Netting and Trading Forms, as follows. Form No. 2

shall be used by the Customer (the initiating trader), to

net imbalances across its own transportation contracts.

Form No. 3 shall be used by the Customer (the initiating

trader) to trade imbalances with other Shippers (the

confirming trader). Pipeline must receive appropriate

completed form prior to the seventeenth (17th) business day

of the month. In order for imbalances to be netted or

traded, the imbalances must occur within the same production

month and same Operational Impact Area for which the

original imbalance occurred, and must not have an adverse

impact upon pipeline's system. For the purpose of Imbalance

Trading and Netting Services, Operational Impact Area shall

be defined to mean Transporter's entire system.