Disruption in Outage Scheduler Application Dec 4

December 3, 2007

MISO IT Systems Planned Event Notification Posting – 12/03/07

****Event occurring at 1330 EST through 1530 EST on Tuesday, December 04, 2007****

The Midwest ISO will perform maintenance on the Outage Scheduler Application on Tuesday December 4, 2007 from 1330 to 1530 EST. User connection to the Outage Scheduler may be disrupted during this time. If connection is lost please log off and log back into the system to re-establish the connection.

If you are unable to reconnect please contact the Midwest ISO Network Operations Center (NOC) at 866-296-6476 (Option 2).

We appreciate your patience and cooperation during this event.

Please contact your Client Relations representative at 866-296-6476 (Option 1) for business related inquiries.

Contact the Network Operations Center at 866-296-6476 (Option 2) for system related issues.