NOTICE DATE: December 10, 2010

NOTICE TYPE: M-B121010-01 General

SHORT DESCRIPTION: TSP Nodal Engagement Market Call canceled for December 15, 2010

INTENDED AUDIENCE: Transmission Service Providers (TSPs)

DAY AFFECTED: December 15, 2010

LONG DESCRIPTION: Due to conflicts with other Market meetings, the TSP Nodal Engagement Market Call for Wednesday, December 15, 2010, is canceled.

The next TSP Nodal Engagement Market Call will occur as scheduled on Wednesday, December 29, 2010, at 15:00 CST.

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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