Colorado Interstate Gas Company

First Revised Volume No. 1

Effective Date: 06/01/2010, Docket: RP10-689-000, Status: Effective

Sixth Revised Sheet No. 278 Sixth Revised Sheet No. 278

Superseding: Fifth Revised Sheet No. 278

GENERAL TERMS AND CONDITIONS

(Continued)

4.18 Governmental Regulation. Any Agreement executed pursuant to the

Terms and Conditions of this Tariff is subject to present and future

valid orders of duly constituted authorities having jurisdiction

over the subject matter thereof. Upon cessation of such

jurisdiction or control, all rights and obligations set forth in the

Agreement shall continue in effect.

4.19 Assignment.

(a) Assignable Parties. Any Agreement executed pursuant to the

General Terms and Conditions of this Tariff may be assigned

by either of the Parties to:

(i) any person, firm, or corporation acquiring all, or

substantially all, of the natural Gas business of said

Party;

(ii) a trustee or trustees, individual or corporate, as

security for bonds or other obligations or securities;

but it may not be otherwise assigned without the consent

of the other Party to that Agreement. Whenever any

corporation is referred to herein, such reference shall

be deemed to include the successors and assignees of

such corporation.

(b) Assignment. Subject to the provisions of this Section, any

such Agreement shall be binding upon and inure to the

benefit of the successors and assignees of each of the

Parties hereto.

4.20 Each Agreement subject to this Tariff shall continue in effect under

the earlier of the date set forth in the Agreement or the date on

which Transporter receives authority to, or is required to, abandon

service pursuant to its "blanket" transportation certificate of

public convenience and necessity issued in FERC Docket No. CP86-589.