Transwestern Pipeline Company

Second Revised Volume No. 1

Effective Date: 10/01/2004, Docket: RP04-490-000, Status: Effective

Thirty-First Revised Sheet No. 5B Thirty-First Revised Sheet No. 5B : Effective

Superseding: Thirtieth Revised Sheet No. 5B

FOOTNOTES

1/ The Minimum FTS-1, LFT, FTS-3 and EFBH Reservation Charge is $0.0000

2/ The FTS-1, LFT, FTS-3 and EFBH Base Commodity Rate is the minimum commodity rate,

exclusive of surcharges.

3/ Backhaul transportation is transportation on Transporter's system that is opposite to

the actual physical flow from the point of receipt to the point of delivery.

4/ The backhaul rate will be the same as a forward haul rate.

5/ Transport Fuel percentages shall be applied to receipt quantities.

6/ The minimum ITS-1 Commodity Rate is equal to the FTS-1 Base Commodity Rate, exclusive

of surcharges.

7/ Transport fuel percentages are from Receipt Point Area through to Delivery Point Area.

The minimum Transport Fuel charge will not be lower than actual fuel costs, if any.

Transport Fuel Percentages by Area are: **

MAX

West of Thoreau Area 4.50%

East of Thoreau Area (Delivered to East of Thoreau) 1.31%

East of Thoreau Area (Delivered to Thoreau/San Juan Point) 0.50%

San Juan 0.25%

Backhaul 0.00%

MAX MIN

8/ Other Surcharges($/MMBTU):

GRI Demand Surcharge (Section 21)*+ $0.0000 $0.0000

(Low-Load Factor Shippers (Section 21))+ $0.0000 $0.0000

GRI Commodity Surcharge (Section 21)+ $0.0000 $0.0000

GRI FTS-2 Surcharge (Section 21)+ $0.0000 $0.0000

ACA Surcharge (Section 23)+ $0.0019 $0.0019

+ These surcharges shall not be applied to the same quantity of gas more than once.

* This Maximum Rate applies to all firm shippers except those that qualify as Low-Load

factor shippers on the effective date of Transporter's annual GRI filing.

** For current in-kind fuel reimbursement procedures, fuel rates should be made effective

only at the beginning of the month.