Young Gas Storage Company, Ltd.

Original Volume No. 1

Effective Date: 04/10/2002, Docket: CP93-541-012, Status: Effective

Fifth Revised Sheet No. 52B Fifth Revised Sheet No. 52B : Effective

Superseding: Substitute Fourth Revised Sheet No. 52B

GENERAL TERMS AND CONDITIONS

(Continued)

1.53 "Scheduled Quantity" shall mean the quantity of Gas Transporter has

determined it can inject or withdraw based on a Shipper's Nomination

on a designated Gas Day subject to Transporter's available storage

capacity. Such quantities shall be determined pursuant to the

provisions of these General Terms and Conditions and are subject to

final Confirmation. Transporter's Scheduled Quantity reports

provided via EDM shall conform to the requirements of the Data

Dictionary Standards as set forth in GISB Standard 1.4.5.

1.54 "Shipper" shall mean that Party on whose behalf Gas is being stored.

1.55 "Standard Quantity" as used in Nominations, Confirmations and

Scheduling shall mean the Dekatherms per Gas Day in the United

States, gigajoules per Gas Day in Canada and gigacalories per Gas

Day in Mexico. (For reference, 1 Dekatherm = 1,000,000 Btus; 1

gigajoule is 1,000,000,000 joules; and 1 gigacalorie = 1,000,000,000

calories.) For commercial purposes, the standard conversion factor

between Dekatherms and gigajoules is 1.055056 gigajoules per

Dekatherm and between Dekatherms and gigacalories is 0.251996

gigacalories per Dekatherm. The standard Btu is the International

Btu, which is also called the Btu (IT); the standard joule is the

joule specified in the SI system of units. The International Btu is

specified for use in the Gas measurement standards of the American

Gas Association, the American Petroleum Institute, the Gas

Processors Association and the American Society for Testing

Materials. For non-commercial purposes, these associations note that

the exact conversion factor is 1.05505585262 gigajoules per

Dekatherm. (GISB Standard 1.3.14)

1.56 "Storage Field" shall mean the storage facilities and reservoirs

utilized by Transporter to provide Storage Service.

1.57 "Storage Service" shall consist of the acceptance by Transporter of

Gas Tendered by Shipper at the Point of Injection, the injection of

such Gas for storage for Shipper's account, the inventorying of such

Gas in Transporter's Storage Field, and the withdrawal of such Gas

for Shipper's account at the Point of Withdrawal.

1.58 "Storage Year" shall mean the period commencing June 1 of each year

and ending on May 31 of the next succeeding year.