Trunkline Gas Company

First Revised Volume No. 1

Effective Date: 11/01/2001, Docket: RP02- 6-000, Status: Effective

Twelfth Revised Sheet No. 9B Twelfth Revised Sheet No. 9B : Superseded

Superseding: Eleventh Revised Sheet No. 9B

CURRENTLY EFFECTIVE RATES

Each rate set forth in this Tariff is the currently effective rate pertaining to the particular rate

schedule to which it is referenced, but each such rate is separate and independent and the change in

any such rate shall not thereby effect a change in any other rate or rate schedule.

Base Adjustments Maximum Minimum

Rate ------------------------- Rate Rate Fuel

Per Dt Sec. 23 Sec. 24 Sec. 25 Per Dt Per Dt Reimbursement

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

(1) (2) (3) (4) (5) (6) (7)

RATE SCHEDULE FFZ

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

Field Zone Only

- Volumetric Rate (1)(2) $ 0.1240 $(0.0012) - $ 0.0030 $ 0.1258 $ 0.0024 1.56 %

- Overrun Rate (1)(2)(3) 0.1240 (0.0012) - 0.0030 0.1258 0.0024 1.56 %

- Conditional Reservation 0.1216 (0.0012) - 0.0030 0.1234 - -

Gathering Charge

- Volumetric Rate $ 0.0107 $ 0.0107

- Overrun Rate 0.0107 0.0107

(1) Excludes Section 20 GRI Usage Surcharge: $0.0070

(2) Excludes Section 21 Annual Charge Adjustment: $0.0021

(3) Maximum rate for capacity release