NOTICE DATE: June 8, 2009 NOTICE TYPE: R-A060809-01 Retail Processing SHORT DESCRIPTION: On Monday, June 8, 2009, ERCOT experienced an internal system processing issue affecting all retail transactions except for 814_20 transactions. INTENDED AUDIENCE: CRs and TDSPs DAY AFFECTED: Monday, June 8, 2009 from 1:30 AM to 10:33 AM LONG DESCRIPTION: On Monday, June 8, 2009 from 1:30 AM to 10:33 AM, ERCOT experienced an internal system processing issue affecting all retail transactions except for 814_20 transactions. As a result, some transactions were not processed within the processing timeframes defined by protocol. In addition, the system issues also impacted the MarkeTrak application resulting in a degradation of performance. Following is a breakdown of impacted transactions by transaction type: Transaction Type Count 814_04 193 814_06 5099 814_08 321 814_09 68 814_12 2 814_16 197 814_22 804 867_02 276 Grand Total 6960 ERCOT Retail Account Managers will provide all affected Market Participants with a list of impacted transactions before 5:00 PM on Tuesday, June 9, 2009. 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