NOTICE DATE: June 17, 2012 NOTICE TYPE: M-A061712-01 COMPLETION: Maintenance Outage – Retail/Wholesale SHORT DESCRIPTION: ERCOT completed the scheduled a maintenance outage for Sunday, June 17, 2012 at 18:00 INTENDED AUDIENCE: All Market Participants DAY AFFECTED: Sunday, June 17, 2012 from 06:00 through 21:00 LONG DESCRIPTION: ERCOT completed the scheduled a maintenance outage for Sunday, June 17, 2012 at 18:00 ERCOT completed the scheduled a maintenance outage for Sunday, June 17, 2012 at 18:00. All systems and transaction processing were reinstated at that time. As always, connectivity issues such as NAESB or MIS can be reported to the ERCOT Help Desk at 512-248-6800 or [log in to unmask]<mailto:[log in to unmask]> or tomorrow to your ERCOT Account Manager. 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/>.