NOTICE DATE: November 15, 2013 NOTICE TYPE: M-C111513-01 Planned Outage - Retail/Wholesale SHORT DESCRIPTION: ERCOT’s Enterprise Data Warehouse planned maintenance outage INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: November 20, 2013 LONG DESCRIPTION: ERCOT’s Enterprise Data Warehouse will be taken offline on November 20, 2013 from 18:00 to 19:00 for planned maintenance. During the outage the following systems may not be available: · Historic searches using Find Transaction/Find ESIID · Market Data Transparency Web Services · Extract Subscriber · NDCRC 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 email at [log in to unmask]<mailto:[log in to unmask]>. 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. dg