NOTICE DATE: March 3, 2008 NOTICE TYPE: W-B030308-01 Outage - MOS, MOSTML and Outage Scheduler CLASSIFICATION: Public SHORT DESCRIPTION: MOS, MOSTML and Outage Scheduler were unavailable on March 2, 2008 INTENDED AUDIENCE: ERCOT Market Participants DAYS AFFECTED: March 2, 2008 from 3:45 PM to 4:20 PM LONG DESCRIPTION: ERCOT experienced an unplanned outage of the Market Operations System (MOS), the MOS sender/listener (MOSTML), and Outage Scheduler. The outage occurred March 2, 2008 from 3:45 PM to 4:20 PM as a result of an interruption in web service connectivity. 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] <blocked::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/> yl