Midwest Gas Storage, Inc.

First Revised Volume No. 1

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

Original Sheet No. 502 Original Sheet No. 502 : Effective

Field is filled on a proportionate basis equal to the

decline in Midwest's injection rate set forth in Exhibits

G and H(vii) of its Application to the Commission filed on

December 27, 1989 in Docket No. CP90-454-000.

1.9 The term "Maximum Daily Quantity" shall mean the greatest

number of Dths that Midwest is obligated to deliver to or

on behalf of Shipper on any Day.

1.10 The term "Maximum Daily Withdrawal Quantity" shall,

(a) when used in Rate Schedule FSS, mean the greatest

number of Dths that Midwest is obligated to deliver to

or on behalf of Shipper on the first Day of the Winter

Period provided that the Maximum Daily Withdrawal

Quantity cannot exceed 1/50 of the Maximum Storage

Quantity nor be less than 1/150 of the Maximum Storage

Quantity. The Maximum Daily Withdrawal Quantity and

any reductions thereof subsequent to the first Day of

the Winter Period shall be specified in Exhibit A of

the Rate Schedule FSS Agreement.

(b) when used in Rate Schedule ISS, mean the greater of

one thirtieth (1/30) of the Working Storage Gas as of

the last Day of the prior Month or one thirtieth

(1/30) of the Working Storage Gas as of the date that

Midwest notifies Shipper that it must withdraw all of

its Working Storage Gas within forty-five (45) days.

the Calcutta-Carbon Storage Field is emptied on a

proportionate basis equal to the decline in Midwest's

withdrawal rate set forth in Exhibits G and H(vii) of

its Application to the Commission filed on December

27, 1989 in Docket No. CP90-454-000.

1.11 The term "Maximum Storage Quantity" shall mean the greatest

number of Dths that Midwest is obligated to store on behalf

of Shipper on any Day.

1.12 The term "Mid-Continent Spot Price Index" shall mean the

index price calculated as follows: For sales and/or

purchases of excess receipts and/or deliveries under