Columbia Gas Transmission LLC

Third Revised Volume No. 1

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Effective Date: 04/01/2010, Docket: RP10-401-000, Status: Suspended

Eighth Revised Sheet No. 27 Eighth Revised Sheet No. 27

Superseding: Seventh Revised Sheet No. 27

Currently Effective Rates

Applicable to Rate Schedule FTS -

Incremental APX Service

Recourse Rates

Rate Per Dth

Transportation Cost Electric Power Annual Total

Base Rate Adjustment Costs Adjustment Charge Effective Daily

Tariff Rate Current Surcharge Current Surcharge Adjustment Rate Rate

1/ 2/

Rate Schedule FTS

APX Incremental Services

Recourse Rates

Reservation Charge 3/ $ 5.790 0.338 0.048 0.057 0.017 - 6.250 0.2056

Commodity

Maximum ¢ 1.04 0.43 0.13 0.61 0.05 0.19 2.45 2.45

Minimum ¢ 1.04 0.43 0.13 0.61 0.05 0.19 2.45 2.45

Overrun ¢ 20.08 1.54 0.29 0.80 0.11 0.19 23.01 23.01

1/ Excludes Account 858 expenses and Electric Power Costs which are recovered through Columbia's Transportation Costs Rate Adjustment (TCRA)

and Electric Power Costs Adjustment (EPCA), respectively. For rates by function, see Sheet No. 35.

2/ ACA assessed where applicable pursuant to Section 154.402 of the Commission's Regulations.

3/ Minimum reservation charge is $0.00.