NOTICE DATE: December 1, 2010 NOTICE TYPE: M-B120110-01 Extracts SHORT DESCRIPTION: Capacity Factors by Resource Report data presentation in VALUE column is changing INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: December 20, 2010 LONG DESCRIPTION: Currently, the Capacity Factors by Resource Report VALUE column contains data in a decimal format. The posting on Monday, December 20, 2010, and all postings going forward, will include the VALUE column as the decimal value X 100 to present a percent value rounded to five significant digits to the right of the decimal. 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 email at [log in to unmask]<mailto:[log in to unmask]>. If you are receiving email 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