***** EXTERNAL email. Please be cautious and evaluate before you click on links, open attachments, or provide credentials. ***** NOTICE DATE: November 13, 2017 NOTICE TYPE: M-A111317-01 Outage SHORT DESCRIPTION: Unplanned Outage - MPIM INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: November 13, 2017 LONG DESCRIPTION: On November 13, 2017 beginning at 12:30 PM ERCOT experienced an unplanned outage, ERCOT is currently working to restore service. The following system is impacted: * Market Participant Identity Management (MPIM) Additional information will be communicated as it becomes available. 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. mm