NOTICE DATE: February 10, 2010 NOTICE TYPE: R-A021010-01 Informational - MarkeTrak User Guide SHORT DESCRIPTION: Changes to the MarkeTrak User Guide INTENDED AUDIENCE: CRs and TDSPs DAY AFFECTED: February 22, 2010 LONG DESCRIPTION: Changes have been made to the MarkeTrak User Guide - Section 1- General Overview regarding the timeline for archiving MarkeTrak issues. The updated version is attached to this notice. In addition, the Tips & Tricks document located on the MarkeTrak information page has been modified to remove information that is now outdated and no longer applicable. ACTION REQUIRED: Market Participants are requested to send any suggested edits to their assigned Retail Account Manager by Monday, February 22, 2010. 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/>. cd/jr