NOTICE DATE: October 30, 2008 NOTICE TYPE: M-B103008-01 Retail Processing SHORT DESCRIPTION: ERCOT experienced an issue with the Customer Registration Database on October 29, 2008. INTENDED AUDIENCE: CRs and TDSPs DAY AFFECTED: Wednesday October 29, 2008 LONG DESCRIPTION: ERCOT experienced an issue with the Customer Registration Database on October 29, 2008 which caused a delay in the processing of a number of inbound transactions. ERCOT has resolved the issue and transaction processing has returned to normal. ADDITIONAL INFORMATION: A list of the affected transactions will be provided to the impacted Market Participants by end of day on October 30, 2008. Counts of affected transactions by Transaction Type are as follows: Tran Type Count 814_04 345 814_08 19 814_09 9 814_12 6 814_13 4 814_16 248 814_20 38 814_24 213 814_25 59 814_28 32 814_29 74 824_02 7 Total 1054 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] 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/> . DH/DP/JR