ERCOT TAC Representatives – 2006

S E G M E N T S

Read Comstock – Strategic Energy, LLC Independent Retail Marty Downey – TriEagle Energy LP Electric Providers William Lewis – Cirro Group Marcie Zlotnik – StarTex Power

Kristy Ashley – Exelon Generation Company, LLC Independent Power Jeff Brown – Coral Power, LLC Marketers Brian Gedrich – BP Energy Company Clayton Greer – Constellation Energy Commodities Group, Inc.

Barbara Clemenhagen – Topaz Power Group Independent Bob Helton – American National Power, LP Generators Randy Jones – Calpine Corporation Mark Walker – NRG Energy, Inc.

B.J. Flowers – TXU Energy Company, LLC Investor Owned John Houston – CenterPoint Energy Utilities Richard Ross – AEP Corporation Linda LeMaster – First Choice Power, LP

Mark Dreyfus – Austin Energy Municipals Les Barrow – CPS Energy Sharon Mays – Denton Municipal Electric Dan Wilkerson – Bryan Texas Utilities

John L. Sims – Nueces Electric Cooperative, Inc. Cooperatives Hugh Lenox – Brazos Electric Power Cooperative, Inc. Brad Belk – Lower Colorado River Authority Henry Wood – South Texas Electric Cooperative, Inc.

Residential: Shannon McClendon – Residential Consumer Consumers OPUC: Laurie Pappas Small Commercial: Chris Hendrix – Wal-Mart Stores, Inc. Large Commercial: Nick Fehrenbach – City of Dallas Industrial: Oscar Robinson – Austin White Lime Company Steve Sayuk – ExxonMobil Power & Gas Consulting