NOTICE DATE: January 29, 2009 NOTICE TYPE: M-A011909-03 Outage - Wholesale SHORT DESCRIPTION: Scheduled outage of Market Operations System (MOS) is completed INTENDED AUDIENCE: QSE Operations Personnel DAY AFFECTED: January 29, 2009 LONG DESCRIPTION: The scheduled outage of the Market Operating System (MOS) which began at 10 a.m. was completed at 10:30 a.m.. CONTACT: If you have any questions, please contact your ERCOT Account Manager. You may also call the general ERCOT Client Services phone number at (512) 248-3900 or contact ERCOT Client Services via e-mail at [log in to unmask]<mailto:[log in to unmask]>. If you are receiving e-mail from an ERCOT distribution list that you no longer wish to receive, please follow this link in order to unsubscribe from this list: http://lists.ercot.com<http://lists.ercot.com/>. sg