***** EXTERNAL email. Please be cautious and evaluate before you click on links, open attachments, or provide credentials. ***** NOTICE DATE: April 18, 2019 NOTICE TYPE: M-A041819-02 General SHORT DESCRIPTION: Market Participant Identity Management (MPIM) Outage resolved INTENDED AUDIENCE: User Security Administrators DAY AFFECTED: April 18, 2019 LONG DESCRIPTION: The Market Participant Identity Management (MPIM) application issue impacting the renewal of Client Digital Certificates has been resolved. 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 a public 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/nb