East Tennessee Natural Gas Company

Second Revised Volume No. 1

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Effective Date: 10/01/2001, Docket: RP01-586-000, Status: Effective

Twentieth Revised Sheet No. 4 Twentieth Revised Sheet No. 4 : Superseded

Superseding: Nineteenth Revised Sheet No. 4

NOTICE OF RATES AND OTHER TARIFF RATE CHANGES

(Rates Per Dekatherm)

Adjustments Under Articles Fuel and Loss

Base ============================================== Rate After Retention

Tariff * * * * 25 * * * * Current Percentage

Rate Schedule Rate 4/ Current Surcharge 33 34 37 Adjustments Summer Winter

-------------------- --------- --------- --------- -------- -------- -------- ----------- -------- --------

1/ 2/ 2/

Monthly Demand Rates

--------------------

FT-A - Max (High) $7.21 ($0.05) $0.00 $0.090 $7.250

FT-A - Max (Low) $7.21 ($0.05) $0.00 $0.055 $7.215

- Min $0.00 $0.00

FT-A (Rocky Top)

- Max (High) $10.201 $0.090 $10.291

- Max (Low) $10.201 $0.055 $10.256

- Min $0.000 $0.000 $0.000

DDS $2.66 $2.66

LNGS 3/ $0.5988 $0.5988 15.69% 1.66%

Daily Demand Rates 5/

------------------

FT-A $0.2370 ($0.0016) $0.0000 $0.2354

FT-A (Rocky Top) $0.3354 $0.3354

Commodity Rates

---------------

FT-A - Max $0.0011 $0.0000 $0.0000 $0.0070 $0.0021 $0.0102 1.58% 2.22%

- Min $0.0011 $0.0021 $0.0032

FT-A (Rocky Top)

- Max $0.0000 $0.0070 $0.0021 $0.0091 0.31% 0.31%

- Min $0.0000 $0.0021 $0.0021

FT-GS- Max $0.6784 ($0.0047) $0.0000 $0.0110 $0.0021 $0.6868 1.58% 2.22%

- Min $0.0011 $0.0021 $0.0032

IT - Max $0.2381 ($0.0016) $0.0070 $0.0021 $0.2456 1.58% 2.22%

- Min $0.0011 $0.0021 $0.0032

1/ Pursuant to Article 33 of the General Terms and Conditions, the Gas Research Institute (GRI) Surcharge

is not applicable to service for other interstate pipelines who are members of GRI, but shall be added

to the other charges under Transporter's Rate Schedules. High load factor is defined as load factor

> 50%. Low load factor is defined as load factor <= 50%.

Pursuant to Article 34 of the General Terms and Conditions, the Annual Charge Adjustment (ACA) Surcharg

per dekatherm shall be added to other charges under Transporter's Rate Schedules.

2/ Fuel and Losses Retention Percentages shall be applicable to all transportation rate schedules.

Transportation Fuel and Loss Retention Percentages are inclusive of .6% for Gas Lost and Unaccounted

For. Transportation entirely by Backhaul will incur only the .6% Gas Lost and Unaccounted For factor.

3/ Liquefaction and Vaporization Fuel and Loss Retention Percentages of 15.69% and 1.66%, respectively,

shall be applicable to the LNGS Service.

4/ The Base Tariff Rate is inclusive of Demand Transportation by Others Costs : FT-A = $.05.

5/ The maximum Volumetric Firm Rate for Capacity Release is $.2457.