NOTICE DATE: December 29, 2009 NOTICE TYPE: W-A122909-01 Settlements SHORT DESCRIPTION: Settlement calendar correction INTENDED AUDIENCE: Market Participants with Settlement Invoices and TCR Weekly Invoices DAY AFFECTED: Invoices due January 5, 2010 LONG DESCRIPTION: ERCOT has corrected an error on the Settlement calendar. Settlement Invoices issued yesterday, December 28, 2009, are due on January 5, 2010, as stated on the invoice, not January 4 as originally listed in the calendar. TCR Weekly Invoices will be paid on January 6, 2010. The Invoices incorrectly state the pay date as January 5, 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/>. ad