1. ERCOT PMO Update Robert Connell Director Program Management August Board of Directors Aug 16, 2005 (Through 7/31/05)

2. 2005 YTD Project Performance Third Quarter Results (to 7/31) Project Process Improvements In 2005 • 3 completed, 24 YTD • 23 in Initiation • 21 in Planning • 35 in Execution • Instituting Managed Time Periods • Expand on Project Metrics – EVM • Establishing Risk Management Methodology Project Performance Project Activity

3. Major ERCOT Projects Summary

4. Large Capital Projects Information in August SO – PR50142 – Network Model Management System/Environment   Project over $3M in the Planning Phase Inform F&A on planning efforts Will request Board approval prior to beginning execution SO – PR40090 Operator Training Simulator (OTS) Project Components: SO-40090-1 OTS Center (Building modification) $100K to $500K (planning and execution in 2005) Moving from planning to execution on 8/15/05 SO-40090-2 OTS System (Hardware and software) $100K to $500K (2005 Planning) Over $3M (2006 execution) RO – PR50007 – Enhancement to FasTrak Project over $1M asking to move forward in purchasing software/move to execution Inform F&A and Board on efforts Presenting for Board approval to move forward Large Project Update

5. Projects Completed 3rd Quarter • Projects Completed in July • PR-50001_01 Ancillary Services Reporting • PR-40075_01 Lodestar Enhancements for PRR-350 and PRR 471 • PR-50033_01 MV90 Software Purchase

6. PR-50001_01 Ancillary Services • Scope of PR-50001_01 Ancillary Services The scope of this PUCT project includes Ad-hoc reporting capability against an Ancillary Services (AS) Market “subject area”. • Features and Deliverables: • includes AS Requests, AS Bids, and AS Deployments • includes prompts for Hour Ending, QSE name, and CM Zone; the ability to create custom prompts/filters was also included. • Current Activity • This completes the first of four subprojects for the PUCT: • 50001_01 Ancillary Services • 50001_02 Price Spike Analysis • 50001_03 Replacement Reserves Market Ad Hoc Reporting • 50001_04 Ad Hoc Access to QSE Down-Balancing Compliance Report Data • The three remaining sub projects of 50001 are scheduled to complete by 12/31/05. Planning 1 Months Execution 3 Months 4/4/05-7/8/05 3/1/05-4/4/05

7. Lodestar Enhancement SIRs • Scope of PR-40075_01 Lodestar EnhancementSIRs: • PRR-471 NIDR to IDR Default Profile Scaling • PRR350 Smoothing Algorithm • Features and Deliverables: • PRR-471 NIDR to IDR Default Profiling: • Scaled the IDR default profile based on the load of the last NIDR readings to reduce load variance • PRR350 Smoothing Algorithm: • The QSE Project Managers directed ERCOT to remove DC tie import values before performing the smoothing algorithm; after the schedule has been smoothed, DC tie import values will be added back to the smoothed values for use in the Uncontrolled Resource charge type • Current Activity • The other part of the parent project is PRR488 Weather Determination which will be completed under PR-40075_02. Planning 4 Months Execution 9 Months 10/01/2004 – 07/01/2005 06/01/2004 - 09/30/2004

8. MV90 Software Purchase • Scope of PR-50033_01 MV90 Software Purchase: • The scope of this project was to purchase the MV90xi version software supported by the following: • Current version of software, MV90 v5.0 becomes obsolete and unsupported by the vendor in May, 2007 • The software vendor is offering incentive pricing to its’ customers to make it attractive to upgrade to the new software prior to May, 2007 • Incentive pricing is being offered in a tiered-approach, with costs escalating over time – purchasing the software prior to 6/30/2005 will save ERCOT $110,000. • Features and Deliverables: • Purchased copy of the MV90xi versioned software. • Current Activity • The other part of the parent project is to implement the MV90xi versioned software which will be completed under PR-50033_02. Planning 1 week Execution 8 weeks 05/16/2005 – 07/31/2005 05/09/2005 - 05/13/2005