*******TEXAS NODAL MARKET NOTICE*******

NOTICE DATE: June 1, 2010

NOTICE TYPE: RTM/LFC

SHORT DESCRIPTION: Nodal 8-Hour Load Frequency Control (LFC) Workshop WebEx scheduled for June 8, 2010

INTENDED AUDIENCE: Nodal Accountable Executives, Nodal Transition Project Managers, Market Trial Contacts

DAY AFFECTED: June 8, 2010

LONG DESCRIPTION: ERCOT will host a Nodal 8-Hour LFC Workshop WebEx on Tuesday, June 8, 2010, from 10:00 until 12:00 (CDT).

This workshop will provide an opportunity for Market Participants and ERCOT to discuss the approach that will be used to conduct the full-system 8-Hour LFC test during the week of June 14, 2010.

This workshop is only being offered as a WebEx presentation.

ADDITIONAL INFORMATION: An agenda and any documents presented in this meeting will be posted in the ERCOT Calendar located at http://www.ercot.com/calendar/2010/06/20100608-MT. See below for WebEx meeting details:

Topic: Nodal 8-Hour LFC Workshop
Date: Tuesday, June 8, 2010
Time: 10:00 – 12:00 (CDT)
Meeting Number: 359 777 155
Meeting Password: Nodal123!!

Please click the link below to see more information, or to join the meeting.

To join the online meeting:

1. Go to https://ercot.webex.com/ercot/j.php?ED=136429132&UID=146399902&PW=NOTFkZTNkNWYw&RT=MiM3
2. Enter your name and email address.
3. Enter the meeting password: Nodal123!!
4. Click "Join Now".

To join the teleconference:

Call-in toll-free number (US/Canada): 866-469-3239
Meeting Number: 359 777 155

CONTACT: If you have any questions, please contact either the Market Trials team by email at [log in to unmask] or 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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