NOTICE DATE: March 12, 2008 NOTICE TYPE: R-B031208-01 Outage - Retail: MarkeTrak CLASSIFICATION: Public SHORT DESCRIPTION: ERCOT will take an emergency outage of the MarkeTrak application this evening. INTENDED AUDIENCE: CRs and TDSPs DAY AFFECTED: Wednesday, March 12, 2008 from 7:00 PM to 10:00 PM LONG DESCRIPTION: In an attempt to improve the performance degradation issues with the MarkeTrak application, ERCOT will take an emergency outage of the MarkeTrak application this evening, Wednesday, March 12, 2008 from 7:00 PM to 10:00 PM. During this outage, SIR 11809 will be implemented. 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/> . TR/JA