Midwest Gas Storage, Inc.

First Revised Volume No. 1

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

Original Sheet No. 523 Original Sheet No. 523 : Effective

statements for differences between such estimated and

actual quantities.

When information necessary for billing purposes is in the

control of Shipper, Shipper shall furnish such information

to Midwest on or before the third (3rd) Day of the Month.

Both Midwest and Shipper have the right to examine at

reasonable times, books, records and charts of the other to

the extent necessary to verify the accuracy of any

statement, charge or computation made under or pursuant to

any of the provisions hereof.

9.2 Payment. Shipper shall pay Midwest the amount due for the

preceding month on or before the twenty-fifth (25th) Day of

the Month. All payments by Shipper to Midwest shall be

made in the form of wire transfer directed to a bank

account designated by Midwest's Controller or by check at

Midwest's general office, or at such other address as

Midwest shall designate such that funds are available on

the date payment is due.

If rendering of a bill by Midwest is delayed after the

tenth (10th) Day of the Month, then the time of payment

shall be extended accordingly unless Shipper is responsible

for such delay.

Should Shipper fail to pay all of the amount of any bill as

herein provided when such amount is due, interest on the

unpaid portion of the bill shall accrue at the prime rate

from time to time charged by Citibank, N.A. New York, New

York to responsible commercial and industrial borrowers,

plus two percentage points, from the due date until the

date of payment. If such failure to pay continues for

thirty (30) Days after payment is due, Midwest, in addition

to any other remedy it may have hereunder, may upon receipt

of the appropriate regulatory approval, if any, suspend

further delivery of Gas until such amount is paid;

provided, however, that if Shipper in good faith shall

dispute the amount of any such bill or part thereof and

shall pay to Midwest such amounts, if any, as it concedes

to be correct and, at any time thereafter within thirty

(30) Days of a demand made by Midwest, shall furnish a good

and sufficient surety bond in an amount and with surety