Great Lakes Gas Transmission Limited Partner

Second Revised Volume No. 1

Effective Date: 04/30/2001, Docket: RP00- 63-002, Status: Effective

Original Sheet No. 57F Original Sheet No. 57F : Effective

RATE SCHEDULE LFT

LIMITED FIRM TRANSPORTATION SERVICE

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(continued)

4.2Maximum/Minimum Rates

Subject to any limitations imposed by additional Agreement provisions agreed to by Shipper and

Transporter, Transporter may from time to time selectively adjust any or all of the rates

charged to any individual Shipper for which a maximum rate and minimum rate are stated on Sheet

No. 4 to this FERC Gas Tariff, Second Revised Volume No. 1. Except as permitted by Section 4.5,

Negotiated Rates, the adjusted rate(s) shall not exceed the applicable maximum rate(s), nor

shall they be less than the minimum rate(s), set forth on such sheet. Transporter shall have

the right to charge the maximum rate at any time as a condition for new service or for

continuation of service under an existing Agreement, unless otherwise provided by the Agreement.

Transporter shall make all information filings required by the Commission's regulations with

respect to any Transportation charges at less than the maximum rate. Whenever Transporter

adjusts the rate to be charged to a Shipper pursuant to this Section 4.2, notice thereof shall

be given to Shipper not less than 48 hours prior to the effective date of such adjustment.