NOTICE DATE: July 21, 2013 NOTICE TYPE: M-B071113-03 Completion – Maintenance Outage – Retail/Wholesale SHORT DESCRIPTION: Scheduled Maintenance Outage INTENDED AUDIENCE: All Market Participants DAY AFFECTED: Sunday, July 21, 2013 LONG DESCRIPTION: The ERCOT planned maintenance outage completed at approximately 18:02 this evening, Sunday, July 21. CONTACT: Connectivity issues such as NAESB or MIS can be reported to the ERCOT Help Desk at 512-248-6800, [log in to unmask]<mailto:[log in to unmask]> or tomorrow to your ERCOT Account Manager. If you are receiving email 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. sa