NOTICE DATE: June 4, 2009 NOTICE TYPE: M-A060409-01 Operations SHORT DESCRIPTION: Updated West to North stability limits are now available INTENDED AUDIENCE: ERCOT Market Participants DAY AFFECTED: June 12, 2009 LONG DESCRIPTION: ERCOT has updated the West to North Stability Limits and will be posting this information at http://www.ercot.com/gridinfo/congestion/. These new limits will be used by ERCOT System Operations as of June 12, 2009. 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/>. kd