Williston Basin Interstate Pipeline Co.

Second Revised Volume No. 1

Effective Date: 07/01/2002, Docket: RP00-463-004, Status: Effective

Fourth Revised Sheet No. 175A Fourth Revised Sheet No. 175A : Effective

Superseding: Third Revised Sheet No. 175A

GENERAL TERMS AND CONDITIONS (Continued)

1. DEFINITION OF TERMS (Continued)

1.8 The term "delivery quantities" means all quantities of gas which

Transporter delivers for the account of Shipper at the point(s) of

delivery.

1.9 The term "Interactive Website (Website)" means a computerized

Internet Website service (computer system and software) allowing

simultaneous access by multiple remote users via the Internet for the

purposes of "posting" information for others to view, viewing

information posted by others, conducting electronic mail messaging,

executing other programs available on the Website and down-loading files

available on the service.

1.10 The term "electronic communication mechanism" means any or all

of Transporter's Website, EDI, or File Transfer service(s).

1.11 The term "Electronic Data Interchange (EDI)" means the computer-

to-computer exchange of business information through standardized

document formats. Any party wishing to use Transporter's EDI service

will be required to enter into a Trading Partner Agreement (TPA) with

Transporter.

(The rest of this sheet has been intentionally left blank.)