High Island Offshore System, L.L.C.

Third Revised Volume No. 1

 Contents / Previous / Next / Main Tariff Index

Effective Date: 10/01/2007, Docket: RP06-540-004, Status: Effective

Fifth Revised Sheet No. 1 Fifth Revised Sheet No. 1 : Effective

Superseding: Fourth Revised Sheet No. 1

TABLE OF CONTENTS

Third Revised Volume No. 1 Sheet No.

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

Preliminary Statement 4

System Map 8

Schedule of Rates 10

Non-Conforming Agreements 12

Firm Transportation Service

Rate Schedule FT-1 - Firm Transportation Service 14

Form of Transportation Agreement for Rate

Schedule FT-1 19

Rate Schedule FT-2 - Flexible Firm Transportation Service 26

Form of Transportation Agreement for Rate Schedule FT-2 37

Reserved for Future Use 44

Interruptible Transportation Service

Rate Schedule IT - Interruptible Transportation

Service 53

Form of Transportation Agreement for Rate

Schedule IT 57

General Terms and Conditions for Rate

Schedules FT-1, FT-2, and IT

1. Definitions 64

2. Requests for Transportation Service 70

3. Measurement 78

4. Gas Quality 84

5. Creditworthiness 88

6. Receipt and Delivery 89

7. Scheduling Requirements 90

8. Operating Tolerances/Imbalances 104

9. Receipt and Delivery Pressure 109

10. Billing and Payment 109

11. Responsibility for Gas and Associated Liquids 111

12. Facilities 112

13. Force Majeure 112