NOTICE DATE: December 3, 2012 NOTICE TYPE: M-A062211-08 NPRR SHORT DESCRIPTION: Update – Implementation presentation for NPRR322 INTENDED AUDIENCE: QSEs and CRR Account Holders DAYS AFFECTED: December 3, 2012 LONG DESCRIPTION: On December 6, 2012, ERCOT will complete the implementation of Nodal Protocol Revision Request (NPRR) 322, Real-Time PTP Option Modeling, which was approved by the ERCOT Board on June 21, 2011. The changes associated with NPRR322 will be effective for the Day-Ahead Market (DAM) run on December 6 for Operating Day December 7, 2012. The presentation used at the WEBEX offered today is attached. 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. ad