1. Lead from the front Texas Nodal http://nodal.ercot.com 1 Texas Nodal Quality Center Update Eileen Hall Ken Kasparian November 27, 2007

2. Lead from the front Texas Nodal http://nodal.ercot.com 2 Quality Center Reports Provide Updated reports posted current as of 11/20/07 Test result and defect data available weekly Trend interval will be weekly as data is available Defect trend available for program on project level  Future reports will show data on vendor-level

3. Lead from the front Texas Nodal http://nodal.ercot.com 3 Quality Center Reports Test Results per Project Active Defects by Severity by Project per Testing Phase (FAT, iTEST) New, Open, Fixed, Test, Reopen Excludes Closed and Deferred Active Defect by Project Trend Active Defects by Severity Trend % Defects by Severity

4. Lead from the front Texas Nodal http://nodal.ercot.com 4 Nodal Test Results per Project

5. Lead from the front Texas Nodal http://nodal.ercot.com 5 More project teams utilizing Quality Center Increase visibility into CMM, S&B, EMS, MPIM, NMMS

6. Lead from the front Texas Nodal http://nodal.ercot.com 6 Nodal FAT Active Defects by Severity by Project (Note - Does not include Closed and Deferred)

7. Lead from the front Texas Nodal http://nodal.ercot.com 7 Nodal Active Defects by Project Trend

8. Lead from the front Texas Nodal http://nodal.ercot.com 8 Nodal Active Defects by Severity Trend

9. Lead from the front Texas Nodal http://nodal.ercot.com 9 Nodal % Defects by Severity (Note – Does include Closed and Deferred)