NOTICE DATE: January 29, 2010 NOTICE TYPE: M-B012910-01 TCR SHORT DESCRIPTION: March 2010 TCR Auction Notice INTENDED AUDIENCE: TCR Account Holders DAYS AFFECTED: February 9, 2010 through February 11, 2010 LONG DESCRIPTION: Attached please find the March 2010 TCR Auction Notice. The auction will take place from February 9, 2010 through February 11, 2010. The March TCR analysis included a review of Horse Hollow injecting into the West zone March 8, 2010 through March 12, 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/>. DH/DP