NOTICE DATE: May 7, 2010 NOTICE TYPE: R-A050710-02 UPDATE: Retail Processing SHORT DESCRIPTION: On Friday, May 7, 2010, ERCOT experienced an internal system processing issue. INTENDED AUDIENCE: CRs and TDSPs DAY AFFECTED: Friday, May 7, 2010 from 9:27 to 14:42 LONG DESCRIPTION: On Friday, May 7, 2010 from 9:27 to 14:42, ERCOT experienced an internal system processing issue which limited the movement of transactions from our NAESB system to our EDI. ERCOT is currently processing those delayed transactions. The impact to transactions will be analyzed and Market Participants with adversely impacted transactions will be notified. The root cause was a data capacity issue and has been addressed. Additional details will be provided in the monthly ERCOT IT Incident Market Notice Summary. ADDITIONAL INFORMATION: ERCOT Retail Account Manager's will provide adversely impacted affected Market Participant's with a list of impacted transactions when they become 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/DG From: ERCOT Client Relations Sent: Friday, May 07, 2010 3:04 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: R-A050710-01 Retail Processing NOTICE DATE: May 7, 2010 NOTICE TYPE: R-A050710-01 Retail Processing INTENDED AUDIENCE: CRs and TDSPs DAY AFFECTED: May 7, 2010 from 9:30 to present DESCRIPTION: ERCOT experienced a degradation impacting Retail Transaction processing. 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/DG