Questar Southern Trails Pipeline Company

Original Volume No. 1

Effective Date: 10/01/2009, Docket: RP09-1028-000, Status: Effective

Second Revised Sheet No. 43 Second Revised Sheet No. 43

Superseding: First Revised Sheet No. 43

GENERAL TERMS AND CONDITIONS

together with the terms of Shipper's service documented on the completed

service agreement on Questline will constitute the terms of the transportation

service agreement between Southern Trails and the Shipper.

4.2 Access. The use of a party's logon and password on Questline's

transaction screen will be deemed to be the party's consent to be bound by the

transaction unless the party's bid is withdrawn as specified in § 6. Southern

Trails will revoke a party's logon and password if Southern Trails finds that

one of the following events has occurred:

(a) Termination of Shipper's transportation agreement with

Southern Trails due to failure of Shipper to comply with Southern Trails'

tariff.

(b) Fraudulent or unauthorized use of the logon and password.

access agreement.

(d) An action resulting in a breach of security such as loss,

theft or unauthorized disclosures or use of data contained on Questline.

(e) Failure to pay any Commission-approved charges.

(f) Conduct that threatens the viable operations of Southern

Trails' electronic contracting system or wrongly interferes with the business

transactions of another party.

Southern Trails shall provide immediate notice via Questline or

facsimile transmission of its intent to revoke a party's logon access to the

electronic contracting system.

4.3 Acquiring Transportation Service.

(a) After complying with the requirements of §§ 3 and 9 of these

General Terms and Conditions, a party may bid for firm service or request

interruptible service on Southern Trails' system via Questline.

(b) After receiving a request for interruptible service,

Southern Trails will evaluate Shipper's service