NOTICE DATE: December 28, 2010

NOTICE TYPE: M-A122810-01 General

SHORT DESCRIPTION: TSP Market Call for December 29, 2010, postponed until January 5, 2011

INTENDED AUDIENCE: Transmission Service Providers (TSPs)

DAY AFFECTED: December 29, 2010

LONG DESCRIPTION: The TSP Market Call scheduled for Wednesday, December 29, 2010, will be postponed until Wednesday, January 5, 2011.

The meeting time and duration will remain the same; starting at 15:00 CST and lasting until 16:30 CST depending on the length of discussion and topics covered.

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].

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