Great Lakes Gas Transmission Limited Partner

Second Revised Volume No. 1

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Effective Date: 08/01/2004, Docket: RP04-447-000, Status: Effective

Second Revised Sheet No. 5A Second Revised Sheet No. 5A : Effective

Superseding: First Revised Sheet No. 5A

GREAT LAKES GAS TRANSMISSION LIMITED PARTNERSHIP

Open Access Rates

Market Center Services

Rate Schedule MC (Rates Per Dth) 1/ 2/

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Maximum Minimum

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PARK and LOAN

First Day Fee $0.25216 $0.00000

Subsequent Day Fee 0.05043 0.00000

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1/ An ACA charge set forth on Sheet No. 7 of this FERC Gas Tariff shall not be assessed on any

transaction under Rate Schedule MC.

2/ Pursuant to an approved Settlement, 93 FERC Paragraph 61,076 (2000), the rates shown are subject

to a rate moratorium until November 1, 2005 and waiver of applicable NGA Section 4 and 5 rights.