Exhibit 10.3 Firm Transportation Service Agreement Rate Schedule TF-1 between Colorado Interstate Gas Company and Greeley Gas Company, a division of Atmos Energy Corporation Dated: October 1, 1996, or the effective date authorized by the FERC for CIG s service changes filed in Docket No. RP96-190, whichever is later. Firm Transportation Service Agreement Rate Schedule TF-1 The Parties identified below, in consideration of their mutual promises, agree as follows: 1. Transporter: Colorado Interstate Gas Company 2. Shipper: Greeley Gas Company, a division of Atmos Energy Corporation 3. Applicable Tariff: Transporter's FERC Gas Tariff, First Revised Volume No. 1, as the same may be amended or superseded from time to time ( the Tariff ). 4. Changes in Rates and Terms: Transporter shall have the right to propose to the FERC changes in its rates and terms of service, and this Agreement shall be deemed to include any changes which are made effective pursuant to FERC Order or regulation or provisions of law, without prejudice to Shipper's right to protest the same. 5. Transportation Service: Transportation Service at and between Primary Point(s) of Receipt and Primary Point(s) of Delivery shall be on a firm basis. Receipt and Delivery of quantities at Secondary Point(s) of Receipt and/or Secondary Point(s) of Delivery shall be in accordance with the Tariff. 6. Points of Receipt and Delivery: Shipper agrees to Tender gas for Transportation Service, and Transporter agrees to accept Receipt Quantities at the Primary Point(s) of Receipt identified in Exhibit A. Transporter agrees to provide Transportation Service and Deliver gas to Shipper (or for Shipper's account) at the Primary Point(s) of Delivery identified in Exhibit A. 7. Rates and Surcharges: As set forth in Exhibit B. 8. Negotiated Rate Agreement: N/A 9. Peak Month MDQ: 6,121 Dth per Day. 10. Term of Agreement: Beginning: October 1, 1996, or the effective date authorized by the FERC for Transporter s service changes filed in Docket No. RP96-190, whichever is later. Extending through: September 30, 2000 11. Notices, Statements, and Bills: To Shipper: Invoices for Transportation: - 1 - Greeley Gas Company, a division of Atmos Energy Corporation P.O. Box 650205 2 Dallas, Texas 75265-0205 Attention: Gas Supply Department All Notices: Greeley Gas Company, a division of Atmos Energy Corporation P.O. Box 650205 Dallas, Texas 75265-0205 Attention: John Hack To Transporter: See Payments, Notices, Nominations, and Points of Contact sheets in the Tariff. 12. Supersedes and cancels prior Agreement: When this Agreement becomes effective, it shall supersede and cancel the following agreement between the Parties: In part, the Firm Transportation Service Agreement between Transporter and Shipper dated October 1, 1996, referred to as Transporter s Agreement No. 35024000. That portion of Agreement No. 35024000, not superseded and canceled by this Agreement, shall be superseded and canceled by Transporter s Agreement No. 33181000. 13. Adjustment to Rate Schedule TF-1 and/or General Terms and Conditions: N/A. 14. Incorporation by Reference: This Agreement in all respects shall be subject to the provisions of Rate Schedule TF-1 and to the applicable provisions of the General Terms and Conditions of the Tariff as filed with, and made effective by, the FERC as same may change from time to time (and as they may be amended pursuant to Section 13 of the Agreement). IN WITNESS WHEREOF, the parties hereto have executed this Agreement. Transporter: Shipper: Colorado Interstate Gas Company Greeley Gas Company, a Division of Atmos Energy Corporation By /s/ Thomas L. Price By Thomas L. Price Vice President (Print or type name) EXHIBIT A Firm Transportation Service Agreement between Colorado Interstate Gas Company and Greeley Gas Company, a division of Atmos Energy Corporation Dated: October 1, 1996, or the effective date authorized by the FERC for Transporter s service changes filed in Docket No. RP96- 190, whichever is later. 1. Shipper's Maximum Delivery Quantity ( MDQ ) for the following months shall be as follows: November March (Peak Month MDQ) 6,121 Dth per Day April, May, September, October 4,285 Dth per Day June August 2,142 Dth per Day Primary Point(s) of Receipt Quantity (Dth per Day) (Note 2) Primary Point(s) of November April, June Maximum Receipt (Note 1) through May, through Receipt March Sept, August Pressure October p.s.i.g. Northern System Echo Springs Master 300 300 300 850 Meter Lost Cabin 1,200 1,200 1,200 1,100 Uintah 593 593 593 300 Total Northern System 2,093 2,093 2,093 Central System Lakin Master Meter 2,277 1,240 49 220 Southern System Big Canyon 491 267 0 955(4) Greenwood Master 800 435 0 220 Meter Mocane 460 250 0 65 Total Southern System 1,751 952 0 ----- ----- ----- TOTAL 6,121 4,285 2,142 Primary Point(s) of Delivery Quantity (Dth per Day) (Note 3) Primary Point(s) of November April, June Maximum Delivery through May, through Delivery (Note 1) March Sept, August Pressure October p.s.i.g. Canon City Group (Note 5) Canon City 4,231 2,962 1,481 (Note 6) Colorado State 298 209 104 100 Penintentiary Engineering Station 5 4 2 Line 476+78 Pressure Florence City Gate 989 692 346 60 Fremont County 9 6 3 Line Industrial Park Pressure Penrose City Gate 135 95 47 60 Penrose PBS-2 129 90 45 Line Pressure Portland City Gate 35 25 12 100 Pritchett City Gate 35 25 12 150 Total Canon City Group 5,866 4,108 2,052 Total Capacity Release 4,814 3,369 1,684 Eads Group Brandon Station 28 20 10 350 Eads City Gate 207 145 72 60 Highline Taps: Neoplan (Bent County) 3 2 1 Line Pressure Penrose South (Fremont 11 8 4 Line County) Pressure The Piggery (Fremont 3 2 1 Line County) Pressure L.J. Stafford (Baca 5 4 2 Line County) Pressure Total Eads Group 257 181 90 McClave Delivery 350 245 123 500 Springfield 700 490 245 Line Pressure ----- ----- ----- TOTAL 6,121 4,285 2,142 Storage Injection 2,814 2,015 1,714 N/A NOTES: (1) Information regarding Point(s) of Receipt and Point(s) of Delivery, including legal descriptions, measuring parties, and interconnecting parties, shall be posted on Transporter's electronic bulletin board. Transporter shall update such information from time to time to include additions, deletions, or any other revisions deemed appropriate by Transporter. (2) Each Point of Receipt Quantity may be increased by an amount equal to Transporter's Fuel Reimbursement percentage. Shipper shall be responsible for providing such Fuel Reimbursement at each Point of Receipt on a pro rata basis based on the quantities received on any Day at a Point of Receipt divided by the total quantity Delivered at all Point(s) of Delivery under this Transportation Service Agreement. (3) The sum of the Delivery Quantities at Point(s) of Delivery shall be equal to or less than Shipper's MDQ. (4) Minimum pressure Shipper will deliver gas to Transporter is 350 p.s.i.g. (5) For Capacity Release purposes, the aggregate of the Canon City Group Point of Delivery Quantities is as designated (e.g., 4,814 Dth per Day for the Peak Month MDQ). To the extent that Shipper is not utilizing a portion of its remaining Point of Delivery Quantities at non-Canon City Group Points of Delivery, Shipper may nominate up to the Canon City Group total (e.g., 5,866 Dth per Day November through March), provided that total deliveries under this Agreement do not exceed the monthly MDQ (e.g., 6,121 Dth per Day November through March) unless an Authorized Overrun has been granted to Shipper by Transporter. (6) Line pressure but not less than 100 p.s.i.g. EXHIBIT B Firm Transportation Service Agreement between Colorado Interstate Gas Company and Greeley Gas Company, a division of Atmos Energy Corporation Dated: October 1, 1996, or the effective date authorized by the FERC for Transporter s service changes filed in Docket No. RP96-190, whichever is later. Primary Primary R1 Point(s) Point(s) Reser- Com- Fuel Sur- of of vation modity Term of Reimburse- charg Receipt Delivery Rate Rate Rate ment es As As (Notes (Notes Through (Note 2) (Note listed listed 1 1 and 9/30/00 3) on on and 4) 5) Exhibit Exhibit A A Secon- Secon- R1 Com- Term of Fuel Sur- dary dary Reser- modity Rate Reimburse- charg Point(s) Point(s) vation Rate ment es of of Rate Receipt Delivery All All (Note (Note Through (Note 2) (Note 1) 1) 9/30/00 3) NOTES: (1) Unless otherwise agreed by the Parties in writing, the rates for service hereunder shall be Transporter's maximum rates for service under Rate Schedule TF-1 or other superseding Rate Schedules, as such rates may be changed from time to time. (2) Fuel Reimbursement shall be as stated on Transporter's Schedule of Surcharges and Fees in the Tariff, as they may be changed from time to time, unless otherwise agreed between the Parties. (3) Surcharges, If Applicable: All applicable surcharges, unless otherwise specified, shall be the maximum surcharge rate as stated in the Schedule of Surcharges and Fees in The Tariff, as such surcharges may be changed from time to time. GQC: The Gas Quality Control Surcharge shall be assessed pursuant to Article 20 of the General Terms and Conditions as set forth in The Tariff. GRI: The GRI Surcharge shall be assessed pursuant to Article 18 of the General Terms and Conditions as set forth in The Tariff. HFS: The Hourly Flexibility Surcharge shall be assessed pursuant to Article 20 of the General Terms and Conditions as set forth in The Tariff. Order No. 636 Transition Cost Mechanism: Surcharge(s) shall be assessed pursuant to Article 21 of the General Terms and Conditions as set forth in The Tariff. ACA: The ACA Surcharge shall be assessed pursuant to Article 19 of the General Terms and Conditions as set forth in The Tariff. (4) If Shipper releases any of its capacity (i.e., becomes a Releasing Shipper under Transporter s Capacity Release Program) and the Replacement Shipper is paying more than the Releasing Shipper, Transporter shall be entitled to the difference, if any, between the reservation charge(s), including all applicable surcharges, being paid by the Replacement Shipper, and the reservation charges, including all applicable surcharges, being paid by the Releasing Shipper. (5) The Authorized Overrun Rate charged by Transporter shall be determined pursuant to the Stipulation and Agreement in Docket No. RP96-190, when applicable, while such Settlement is in effect. - B 2 -