Midwestern Gas Transmission Company

Third Revised Volume No. 1

Effective Date: 12/16/2004, Docket: RP05- 72-000, Status: Effective

Third Revised Sheet No. 111 Third Revised Sheet No. 111 : Effective

Superseding: Second Revised Sheet No. 111

RATE SCHEDULE SA

SUPPLY AGGREGATION SERVICE

3. NOMINATIONS (Continued)

3.3 Flow adjustments at the point(s) set forth on Exhibit A of the SA Agreement

shall be made throughout a Gas Day to balance the SA Point.

3.4 In the event of an interruption or reduction in the supplies or markets, or in

the event that pipeline operating conditions require Company to adjust

scheduled receipts or deliveries, Company shall allocate quantities at the

Point(s) identified on Exhibit A based on the Aggregator's pre-determined

ranking.

4. IMBALANCE RESOLUTION

4.1 Company will provide notice to Aggregator of any imbalance situation at the

SA Point needing resolution and will specify the necessary corrective action.

Aggregator shall take corrective action as specified by Company, or provide

Company an alternate schedule for correcting imbalance. In the event that

Company determines, in its sole discretion, that the Aggregator has not made a

good faith effort to correct the imbalance, Company has the right, with

twenty-four hours prior notice to Aggregator, to reduce receipts into, or

deliveries out of, Aggregator's SA Point, based on the pre-determined rankings

provided pursuant to Subsection 2.4 of this Rate Schedule.

4.2 Any imbalances between allocated receipts and allocated deliveries ("allocated

imbalance") at the SA Point which are not made up before the end of the month

shall be the responsibility of Aggregator and shall be resolved pursuant to the

cash out provisions of Rate Schedules LMS-MA and LMS-PA.

5. OPERATIONAL INTEGRITY

Nothing in this Rate Schedule shall limit Company's right to take action as may be

required to adjust receipts and deliveries of Scheduled Quantities of gas in order to

alleviate conditions which threaten the integrity of its pipeline system, or the

ability of Company to transport quantities scheduled by any Shipper.

6. GENERAL TERMS AND CONDITIONS

Service under this Rate Schedule is subject to the General Terms and Conditions

contained in Volume 1 of Company's FERC Gas Tariff as may be amended from time to

time. To the extent there is an inconsistency between a term or condition in this

Rate Schedule and the General Terms and Conditions, the General Terms and Conditions

shall govern. To the extent there is an inconsistency between a term or condition in

this Rate Schedule and the applicable Supply Aggregation Service Agreement, then the

terms and conditions of this Rate Schedule shall govern unless the relevant provision

is inconsistent with the General Terms and Conditions.