NOTICE DATE: September 29, 2009

NOTICE TYPE: R-B092809-02 UPDATE – Retail Processing

SHORT DESCRIPTION: ERCOT experienced a retail transaction processing degradation from approximately 3:30 AM to 2:30 PM on Monday, September 28, 2009. Some transactions processed out of protocol.

INTENDED AUDIENCE: CRs and TDSPs

DAY AFFECTED: September 28, 2009, from approximately 3:30 AM to 2:30 PM

LONG DESCRIPTION: ERCOT experienced a retail transaction processing degradation from approximately 3:30 AM to 2:30 PM on Monday, September 28, 2009.

The retail transaction processing issue has been resolved. All transactions backlogged in the queue were processed by 8:30 PM Monday, September 28, 2009.

ADDITIONAL INFORMATION: ERCOT has identified the volume and transactions that were impacted. Initial lists of reprocessed transactions were sent to affected CRs on Monday, September 28, 2009.

Lists will be sent by close of business today with the remaining transactions that were reprocessed. ERCOT will send final lists tomorrow, Wednesday, September 30, showing transactions that did not require reprocessing, but were out of protocol.

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.

JR/DP

From: ERCOT Client Relations
Sent: Monday, September 28, 2009 4:39 PM
To: [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-B092809-01 INITIAL - Retail Processing

NOTICE DATE: September 28, 2009

NOTICE TYPE: R-B092809-01 INITIAL – Retail Processing

SHORT DESCRIPTION: ERCOT is currently experiencing retail transaction processing degradation. Some transactions are processing out of protocol.

INTENDED AUDIENCE: CRs and TDSPs

DAY AFFECTED: September 28, 2009, starting approximately 3:30 AM to current

LONG DESCRIPTION: ERCOT is currently experiencing degradation in the processing of retail transactions.

ERCOT is working to resolve this issue. Efforts are underway to indentify the volume and transactions that were impacted.

ADDITIONAL INFORMATION: ERCOT Retail Account Managers will provide affected Market Participants with an initial list of impacted transactions by the end of the day today and additional lists as they become available.

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.

JR/ DP