NOTICE DATE: May 4, 2010 NOTICE TYPE: M-B050310-02: FINAL - TML Report Explorer SHORT DESCRIPTION: ERCOT's Texas Market Link Report Explorer report downloading functionality experienced service degradation. INTENDED AUDIENCE: All Market Participants DAY AFFECTED: May 2, 2010 from 23:46 to approximately 12:00, May 3, 2010. LONG DESCRIPTION: As a result of a change in this past weekend's release, ERCOT's Texas Market Link Report Explorer report downloading experienced service degradation May 2, 2010 from 23:46 to approximately 12:00, May 3, 2010. A software patch was applied and resolved the issue. 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 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<http://lists.ercot.com/>. DP/JR From: ERCOT Client Relations Sent: Monday, May 03, 2010 12:39 PM 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: NOTICE TYPE: M-B050310-01: INITIAL - TML Report Explorer NOTICE DATE: May 3, 2010 NOTICE TYPE: M-B050310-01: INITIAL - TML Report Explorer INTENDED AUDIENCE: All Market Participants DAY AFFECTED: May 2, 2010 from 23:46 to present DESCRIPTION: ERCOT's Texas Market Link Report Explorer report downloading is currently experiencing service degradation. ERCOT is working on resolving this issue and will provide additional information 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