Columbia Gas Transmission, LLC
FERC Gas Tariff
Third Revised Volume No. 1

Tenth Revised Sheet No. 30
Superseding
Ninth Revised Sheet No. 30

Currently Effective Rates
Applicable to Rate Schedule ITS
Rate Per Dth

                                           Winter    Winter    Summer      Summer
          Commodity                       Maximum   Minimum   Maximum     Minimum
                                             ¢         ¢         ¢           ¢

Base Tariff Rate                  1/       19.50      1.04     13.34        1.04

Transportation Cost Rate Adjustment
   Current                                  1.54      0.43      1.17        0.43
   Surcharge                                0.29      0.13      0.24        0.13

Electric Power Costs Adjustment
   Current                                  0.80      0.61      0.73        0.61
   Surcharge                                0.12      0.05      0.09        0.05

Annual Charge Adjustment          2/        0.19      0.19      0.19        0.19

Total Effective Rate                       22.44      2.45     15.76        2.45

Daily Rate                                 22.44      2.45     15.76        2.45







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.

Issued by: James R. Downs, VP Rates & Regulatory Affairs
Issued on: February 26, 2010                  Effective on: April 1, 2010