NOTICE DATE: June 21, 2013 NOTICE TYPE: M-A052313-03 Release – Retail SHORT DESCRIPTION: REMINDER – ERCOT has an on-cycle Retail Release planned for 17:00 Saturday, June 22, 2013 through 00:00 Monday, June 24, 2013 INTENDED AUDIENCE: ERCOT Market Participants DAYS AFFECTED: 17:00 Saturday, June 22, 2013 through 00:00 Monday, June 24, 2013 LONG DESCRIPTION: ERCOT has an on-cycle Retail Release planned for 17:00 Saturday, June 22, 2013 through 00:00 Monday, June 24, 2013. ERCOT will implement an upgrade to the Retail MarkeTrak application and database. ADDITIONAL INFORMATION: During this outage, the following functions will be affected: * Market participants utilizing NAESB to send/receive transactions to/from ERCOT will NOT be able to send/receive transactions to/from ERCOT * 867 Transactions will NOT be forwarded during the outage * 997 Functional Acknowledgements will NOT be sent during the outage * MarkeTrak will be unavailable for the duration of the outage * Retail components of the MIS and the Retail API will not be available * MPIM will not be available * eService application will be unavailable on the Market Information System (MIS) 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/>. sa