Wyoming Interstate Company, Ltd.

Second Revised Volume No. 2

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

Tenth Revised Sheet No. 36D Tenth Revised Sheet No. 36D

Superseding: Ninth Revised Sheet No. 36D

GENERAL TERMS AND CONDITIONS

(Continued)

1. DEFINITIONS (Continued)

1.14 "Day" or "Gas Day" shall mean a period beginning at 9:00 a.m.

Central Clock Time and ending at 9:00 a.m. Central Clock Time on the

next calendar day.

1.15 "Dekatherm" or "Dth" shall mean the quantity of heat energy which is

equivalent to 1,000,000 British Thermal Units (MMBtu). One Dekatherm

of Gas shall mean the quantity of Gas which contains one Dekatherm

of heat energy and will be reported on a dry MMBtu or Dth basis. Dth

is the standard quantity unit for Nominations, Confirmations and

Scheduled Quantities in the United States. The standard conversion

factor between Dth and Canadian Gigajoules (Gj) is 1.055056 Gjs per

Dth. As used in this Tariff, related services agreements, statements

and invoices, MMBtu and Dth are considered synonymous.

1.16 "Deliver" (or Delivers or Delivered) shall mean the Tender by

Transporter to Shipper, or to a third party for Shipper's account,

and the acceptance by Shipper or a third party for Shipper's account

at the Point of Delivery under Shipper's Agreement of quantities of

Gas containing the same thermal content as the quantities received

by Transporter for Transportation Service less the FL&U Adjustment.

1.17 "Delivery Quantities" (or Deliveries) shall mean the quantities of

natural Gas Delivered at the Point of Delivery. The Delivery

Quantities so determined shall be further adjusted, if appropriate,

by any Gas vented as provided in Section 3.3 hereof during the same

period of time.

1.18 "Downstream Party" shall mean the entity (name or identifying

number) receiving Gas at a designated location as identified by a

Shipper's Nomination.

1.18A "Echo Springs Lateral" shall mean that portion of Transporter's

transmission system including all Point(s) of Receipt beginning at

Transporter's interconnecting points located in Section 1, Township

19 North, Range 93 West, Carbon County, Wyoming and extending

northeasterly terminating at Transporter's mainline in Section 17,

Township 20 North, Range 92 West, Sweetwater County, Wyoming.