Transwestern Pipeline Company

Second Revised Volume No. 1

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Effective Date: 07/01/2002, Docket: RP97-288-022, Status: Effective

Eighth Revised Sheet No. 5B.06 Eighth Revised Sheet No. 5B.06 : Effective

Superseding: Seventh Revised Sheet No. 5B.06

3/ For East to East flow, the reservation rate is $0.025/MMBtu/day and the commodity rate is

the maximum commodity rate. For East to West flow, the combined reservation and commodity rate

is as follows:

East to West Flow

All West of Thoreau deliveries to SoCal Needles (POI # 10487):

(The commodity price for natural gas as reported in Gas Daily, Daily Price Survey, Others, SoCal gas, large

pkgs., minus the commodity price reported in Gas Daily, Daily Price Survey, Permian Basin Area, Transwestern,

minus Reservation Charge for East to East flow minus applicable mainline fuel, valued at Gas Daily TW Permian

price) multiplied by 0.30. Rate includes all currently applicable surcharges. In no event shall the

resultant rate be less than $0.0246/MMBtu.

All West of Thoreau deliveries to PG&E Topock (POI # 56698):

(The commodity price for natural gas as reported in Gas Daily, Daily Price Survey, Others, PG&E, large Pkgs.,

minus the commodity price reported in Gas Daily, Daily Price Survey, Permain Basin Area, Transwestern, minus

Reservation Charge for East to East flow minus applicable mainline fuel, valued at Gas Daily TW Permian price)

multiplied by 0.30. Rate includes all currently applicable surcharges. In no event shall the resultant rate

be less than $0.0246/MMBtu.

All West of Thoreau deliveries to locations other than PG&E Topock and SoCal Needles:

(The lower of the commodity price for natural gas as reported in Gas Daily, Daily Price Survey, Others, PG&E,

large pkgs. or SoCal gas, large pkgs., minus the commodity price reported in Gas Daily, Daily Price Survey,

Permian Basin Area, Transwestern, minus Reservation Charge for East to East flow minus Applicable mainline

fuel, valued at Gas Daily TW Permian price) multiplied by 0.30. Rate includes all currently applicable

surcharges. In no event shall the resultant rate be less than $0.0246/MMBtu.

The term is from April 1, 2002 through March 31, 2003

4/ Primary Point(s) of Receipt Point Name

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

58646 West Texas Pool

58649 Central Pool

58647 Panhandle Pool

60921 Rio Puerco

500179 EPNG-Window Rock

Alternate Point(s) of Receipt Point Name

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

56709 Thoreau

All East of Thoreau receipt points

5/ Primary Point(s) of Delivery Point Name

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

8516 Oasis-Blk 16

56943 Valero Ward

500515 Valero Pecos

500168 Westar Ward

57245 Lone Star Ward

6828 NGPL Gray

57274 ANR/TW Red Deer

8042 PEPL Hansford

Alternate Point(s) of Delivery Point Name

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

West Flow

57276 CA Pool

10487 SoCal Needles

56697 SoCal Topock

56698 PG&E Topock

56696 Mojave Topock

78003 Southwest Gas Transmission

78113 Calpine South Point

78069 Citizens' Griffith Power Plant