Wyoming Interstate Company, Ltd.

Second Revised Volume No. 2

Effective Date: 04/12/2010, Docket: RP10-491-000, Status: Effective

Third Revised Sheet No. 83B Third Revised Sheet No. 83B

Superseding: Second Revised Sheet No. 83B

GENERAL TERMS AND CONDITIONS

(Continued)

18. WAIVERS

18.1 Non-Waiver of Future Defaults. The failure of either Party hereto

at any time to require performance by the other Party of any

provision of the Agreement shall in no way affect the right of

such Party thereafter to enforce the same, nor shall the waiver

by either Party of any breach of any provision hereof by the

other Party be taken or held to be a waiver by such Party of any

succeeding breach of such provision, or as a waiver of the

provision itself.

18.2 Waivers of Past or Future Defaults.

(a) Transporter may, from time to time and on a not unduly

discriminatory basis, waive any of its rights hereunder

and compliance with the provisions of this Tariff. All

such waivers shall be limited to past defaults or other

past occurrences or case-by-case in advance waivers

addressing specific, short-term operational problems.

19. DESCRIPTIVE HEADINGS

The headings contained in the Transportation Service Agreement, in the

applicable rate schedule, and in the General Terms and Conditions are

for reference purposes only and shall not affect their meaning or

interpretation.