NOTICE TYPE: R-A090210-01 Retail Processing SHORT DESCRIPTION: ERCOT experienced a delay in sending cancellation and notification transactions on Tuesday, August 31, 2010. INTENDED AUDIENCE: CRs and TDSPs DAY AFFECTED: August 31, 2010 LONG DESCRIPTION: ERCOT experienced a delay in processing a subset of retail batch transactions. Cancel and notify transactions (814_06s, 814_08s, and 814_22s) that should have been sent by ERCOT on Tuesday, August 31, 2010, were not sent until Wednesday, September 1, 2010. A summary of the impacted transactions is outlined below: Tran Type Count 814_06 456 814_08 12 814_22 137 Total 605 ADDITIONAL INFORMATION: Market Participants may contact their ERCOT Retail Account Managers to request their list of impacted transactions. 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/DH