Williams Natural Gas Company

Second Revised Volume No. 1

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Effective Date: 10/01/1997, Docket: TM98-1-43-000, Status: Effective

Twenty Second Revised Sheet No. 6A Twenty Second Revised Sheet No. 6A : Superseded

Superseding: Twenty First Revised Sheet No. 6A

STATEMENT OF RATES FOR TRANSPORTATION OF NATURAL GAS

AND OTHER RELATED SERVICES (CONTINUED)

Minimum Maximum

Rate 1/ Rate 1/

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

ITS-P Winter Commodity $ .0124 $ .2429

Summer Commodity .0124 .2055

Commodity Balancing Fee .0004 .0058

ITS-M Winter Commodity .0061 .1431

Summer Commodity .0061 .1244

Commodity Balancing Fee .0004 .0058

FSS Deliverability Reservation .0000 .5162

Capacity Reservation 4/ .0000 .0294

Injection .0122 .0122

Withdrawal .0122 .0122

Authorized Overrun .0000 .0588

ISS Commodity 4/ .0000 .0588

Injection .0122 .0122

Withdrawal .0122 .0122

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Additional Surcharges Applicable to all Rate Schedules:

Article 25 - GRI Funding Unit 2/ - Demand - Load Factors > 50% $.2600

- Demand - Load Factors 50% or Less .1600

- Commodity - Small Customers .0200

- Commodity - Released Firm .0174

- Commodity - Others .0088

Article 26 - FERC Annual Charge Adjustment .0022

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VOLUMETRIC FIRM CAPACITY RELEASE MAXIMUM RATES

STATED AT 100% LOAD FACTOR

Maximum

Rate 3/

-------

TSS-P No-Notice Fee $ .0005

Reservation - FSS 4/ .0588

Reservation - FTS-P .1869

TSS-M No-Notice Fee .0005

Reservation - FSS 4/ .0588

Reservation - FTS-P .1869

Reservation - FTS-M .0934

FTS-P Reservation .1869

Reservation Balancing Fee .0054

FTS-M Reservation .0934

Reservation Balancing Fee .0054

FSS Reservation 4/ .0588

Fuel Reimbursement Percentages applicable to all Rate Schedules are shown on Sheet No. 6B.

1/ Reservation rates are per Dth of MDTQ per month. Commodity Rates are per Dth.

2/ Applicable to nondiscounted transportation services.

3/ Exclusive of any surcharges and commodity charges.

4/ Applied to month-end storage balance.