Wyoming Interstate Company, Ltd.

Second Revised Volume No. 2

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

Second Revised Sheet No. 50C Second Revised Sheet No. 50C

Superseding: First Revised Sheet No. 50C

GENERAL TERMS AND CONDITIONS

(Continued)

4. REQUESTS FOR SERVICES (Continued)

4.11 Amendment. The Agreement shall be amended only by an instrument in

writing executed by both Parties in writing.

4.12 Extension of Executed Agreements

(a) Transporter and Shipper may mutually agree to the early

termination of one or more transportation service agreements

in exchange for Shipper's extension of the use of all or part

of the underlying capacity under new terms. To the extent

that Transporter and Shipper have mutually agreed to this

arrangement, Shipper need not participate in an open season

for the extension nor must the underlying capacity be posted

on Transporter's EBB as unsubscribed, available capacity

prior to the extension.

(b) Prior to the expiration of the term of a transportation

service agreement, Transporter and Shipper may mutually agree

to an extension of the term of the agreement with respect to

all or part of the underlying capacity (the exact terms of

which are to be negotiated on a case-by-case basis in a not

unduly discriminatory manner). To the extent that

Transporter and Shipper have mutually agreed to this

arrangement, Shipper need not participate in an open season

for the extension nor must the underlying capacity be posted

on Transporter's EBB as unsubscribed, available capacity

prior to the extension. If a transportation service

agreement has a ROFR, the agreement to extend the term must

be reached prior to the receipt of an acceptable bid

submitted pursuant to this Section 4 of these General Terms

and Conditions.

(c) When a transportation service agreement is subject to a

regulatory ROFR, contains a contractual ROFR, a rollover

clause, or an evergreen clause, the extension of the contract

term will apply to each expiring increment of capacity (i.e.,

contract quantities that reduce on an agreed schedule) during

the term of the agreement.