Midwestern Gas Transmission Company

SECOND REVISED VOLUME NO. 1

Effective Date: 05/01/2000, Docket: RP00-233-000, Status: Effective

Second Revised Sheet No. 91 Second Revised Sheet No. 91 : Superseded

Superseding: First Revised Sheet No. 91

GENERAL TERMS AND CONDITIONS

4. Posting of Release Requests and Replacement Shipper Requests

a) Releasing Shipper shall post all applicable information required by

Section 1 on PASSKEY, which system will automatically assign an

individual release number to such Release Request. The period of time

for posting of the information ("Posting Period"), and the period of

time during which bids will be received on such Release Request

("Bidding Period"), shall be as set forth in Section 8 unless otherwise

specified in the Release Request. The Bidding Period shall be enclosed

within the Posting Period.

b) Releasing Shipper may withdraw its Release Request, by written or

electronic notice of withdrawal, up to the close of the applicable

Bidding Period where unanticipated circumstances justify and no minimum

bid has been submitted.