NOTICE DATE:  June 19, 2009

NOTICE TYPE:  R-A061909-01 Outage:  Retail - MarkeTrak API

SHORT DESCRIPTION:  ERCOT’s MarkeTrak API application experienced an unplanned outage today, June 19, 2009 from 7:40 AM to 8:50 AM.

INTENDED AUDIENCE:  CRs and TDSPs

DAY AFFECTED:  June 19, 2009 from 7:40 AM to 8:50 AM

LONG DESCRIPTION: ERCOT’s MarkeTrak API application experienced an unplanned outage today, June 19, 2009 from 7:40 AM to 8:50 AM. This outage was caused by a component failure.

The MarkeTrak API application is now operational.

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].

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DP/JA