NOTICE DATE: March 2, 2010 NOTICE TYPE: M-A030210-02 - FINAL NOTICE - Outage - Texas Market Link SHORT DESCRIPTION: ERCOT's Texas Market Link (TML) application experienced an unplanned outage on March 1, 2010 from 7:37 PM to 9:20 PM. INTENDED AUDIENCE: All Market Participants DAY AFFECTED: March 1, 2010 from 7:37 PM to 9:20 PM LONG DESCRIPTION: ERCOT's Texas Market Link (TML) application experienced an unplanned outage on March 1, 2010 from 7:37 PM to 9:20 PM. The root cause has been determined to be a hardware failure. The TML is now operational. 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]<blocked::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/>. JR/DH 122318 From: ERCOT Client Relations Sent: Tuesday, March 02, 2010 8:33 AM To: [log in to unmask]; [log in to unmask]; [log in to unmask]; [log in to unmask] Cc: [log in to unmask]; [log in to unmask]; [log in to unmask]; 1 ERCOT Client Service Reps Subject: M-A030210-01 - INITIAL NOTICE - Outage - Texas Market Link NOTICE DATE: March 2, 2010 NOTICE TYPE: M-A030210-01 - INITIAL NOTICE - Outage - Texas Market Link INTENDED AUDIENCE: All Market Participants DAY AFFECTED: March 1, 2010 from 7:37 PM to 9:20 PM DESCRIPTION: ERCOT's Texas Market Link (TML) application experienced an unplanned outage on March 1, 2010 from 7:37 PM to 9:20 PM. The TML is now operational. Additional information will be provided 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 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/>. DP/JR