Great Lakes Gas Transmission Limited Partner

Second Revised Volume No. 1

Effective Date: 02/01/2010, Docket: RP10-253-000, Status: Effective

Seventh Revised Sheet No. 4A Seventh Revised Sheet No. 4A

Superseding: Sixth Revised Sheet No. 4A

SURCHARGES APPLICABLE TO INCREMENTALLY PRICED SERVICE

Contract Identification No. FT067 Service for Rochester Gas and Electric Company

Related to Contract Dated July 13, 1992 1/

Reservation Surcharge ($0.862)

Utilization Surcharge (0.00439)

Max Volumetric Rate Surcharge at 100% L.F. 2/3/ (0.02834)

Contract Identification No. FT2321 Service for Dynegy Marketing & Trade, Inc.

Contract Dated July 30, 2001 1/

Reservation Surcharge ($1.936)

Utilization Surcharge 0.00598

Max Volumetric Rate Surcharge at 100% L.F. 2/3/ (0.06365)

Contract Identification No. FT9141 Service for ANR Pipeline Company

Contract Dated November 1, 2008 1/

Reservation Surcharge ($1.936)

Utilization Surcharge 0.00598

Max Volumetric Rate Surcharge at 100% L.F. 2/3/ (0.06365)

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1/ These rates also apply to any superseding or superseded service. The amount charged for this service

will equal the Reservation and Utilization Surcharges reflected plus the FT Zone Reservation and

Utilization rates applicable for this incrementally priced service.

2/ In addition to the Volumetric Rate, the Utilization Fee is applicable to all services.

3/ 100% load factor rate is calculated as: (Reservation Fee x 12)/365, rounded to five decimal places.