NOTICE DATE: November 25, 2008

NOTICE TYPE: M-A112508-02 UPDATE: Outage – MarkeTrak and Texas Market Link

SHORT DESCRIPTION: ERCOT experienced an outage of the MarkeTrak and Texas Market Link applications

INTENDED AUDIENCE: All Market Participants

DAY AFFECTED: Approximately 6:55 AM until 8:50 AM Tuesday, November 25, 2008.

LONG DESCRIPTION: ERCOT’s MarkeTrak and Texas Market Link applications were unavailable from 6:55 AM until 8:50 AM Tuesday, November 25, 2008.

The MarkeTrak and Texas Market Link applications are now available.

ERCOT is currently researching the root cause of this issue and will provide details 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].

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.

DP/JR

From: ERCOT Client Relations
Sent: Tuesday, November 25, 2008 8:04 AM
To: [log in to unmask]; [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: M-A112508-01 Outage - MarkeTrak and Texas Market Link

NOTICE DATE: November 25, 2008

NOTICE TYPE: M-A112508-01 Outage - MarkeTrak and Texas Market Link

INTENDED AUDIENCE: All Market Participants

DAY AFFECTED: November 25, 2008 from 6:45 AM to present

DESCRIPTION: ERCOT’s MarkeTrak and Texas Market Link application are currently unavailable.

ERCOT is working on resolving this issue and will provide additional information as it becomes 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.

DP/DG