Midwest Gas Storage, Inc.

First Revised Volume No. 1

Effective Date: 05/15/1994, Docket: CP90-454-004, Status: Effective

Original Sheet No. 516 Original Sheet No. 516 : Effective

such system from time to time; provided, however, that such

pressure of the Gas delivered or caused to be delivered by

Shipper shall not exceed the Maximum Allowable Operating

Pressure ("MAOP") specified for the Point of Receipt in the

Agreement. In the event the MAOP of Midwest's, at the

Point of Receipt hereunder, is from time to time increased

or decreased, then the MAOP of the Gas delivered or caused

to be delivered by Shipper to Midwest at the Point(s) of

Receipt shall be correspondingly increased or decreased

upon notification by Midwest to Shipper.

5.2 Pressure at Point(s) of Delivery. Unless otherwise agreed

to by the parties as set forth in the Agreement, Midwest

shall redeliver the Gas to Shipper at the Point(s) of

Delivery hereunder at Midwest's prevailing line pressure as

such may vary from time to time.

6. MODIFICATION OF AGREEMENT

Midwest and Shipper may agree to add or delete Point(s) of

Receipt and/or Delivery under any Volume No. 1 Rate Schedule,

subject to availability of capacity. Neither Midwest nor

Shipper shall be required to agree to any such proposed

modification.

7. MEASUREMENT AND MEASUREMENT EQUIPMENT

7.1 The volume of Gas delivered at the Point(s) of Receipt and

at the Point(s) of Delivery shall be measured by:

(a) An orifice meter, designed, installed, maintained and

operated as recommended in the latest issue of

American National Standard ANSI/API 2530 (American Gas

Association Gas Measurement Report No. 3), entitled

"Orifice Metering of Natural Gas and Other Related

Hydrocarbon Fluids", as such publication may be

revised from time to time (hereinafter referred to as

"AGA Report No. 3); or

(b) A turbine meter, designed, installed, maintained and

operated as recommended in the latest issue of

American Gas Association Transmission Measurement

Committee Report No. 7, entitled "Measurement of Fuel