1 Status of True-up Settlements Sept Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec April 26, 2003 Date we expect to be back to six month after the trade day True-Up Settlements if current pace of True- ups continue January 15, re-settlements performed to date 154 operating days in operating days in 2002 (Current True-up Operating Day April 03, 2002) December 29, 2003 Date we expect to be back to six month after the trade day True-Up Settlements Contingent on April 01, 2003 re-start of true-up for

2 RMS Resolution from Upon TAC approval, suspend further True-up settlements for True-up resettlement (starting with January 1, 2002) will commence April 1,2003 or upon completion of the criteria below; whichever occurs first. Any discrepancies after the deadline must be accepted by all parties. Progress toward completion criteria will be reviewed at each RMS meeting. 1.Develop functionality and provide data extract as defined in SCR 727. RMS places a High-High project approval/priority to SCR Market Synchronization project priorities 1 through 6, including “TDSP as LSE” clean-up and DART/QRE defined issues, must be 95% complete by all Market Participants based upon Market Sync Reporting Tool. 3.Outstanding QRE issues documented by ERCOT as of 12/16/02 be 95% complete. (“In Progress” and “In Analysis” as reported to RMS ) 4.ERCOT will have in place a mechanism for daily monitoring and synchronization of ERCOT’s Siebel and Lodestar systems. 5.ERCOT’s Siebel related data issues will be monitored and brought to a point of being repaired daily.

3 TAC Resolution from (1) Further true-up resettlements for 2002 will be suspended and (2) True-up resettlement (starting with January 1, 2002) will resume when adequate accuracy can be assured (as developed by the RMS and approved by the TAC) and 45 days after SCR 727 has been implemented. Every effort will be made to resume true-ups by April 1, Progress toward completion criteria will be reviewed at each RMS Meeting and reported to the TAC and the Board monthly. If the April 1, 2003 date cannot be met, the Board shall be advised and a revised target resumption date shall be given.

4 RMS Resolution from Develop functionality and provide data extract as defined in SCR 727. RMS places a High-High project approval/priority to SCR Status: RMS resolution was approved by TAC on ERCOT will submit a formal internal project request once PRS has prioritized the SCR into the 2003 project list ERCOT will define business process flows and internal departmental responsibility for MPs to reconcile: a)ESI ID service history records b)ESI ID usage records Production implementation timeline to be defined at February ‘03 RMS meeting

5 RMS Resolution from Market Synchronization project priorities 1 through 6, including “TDSP as LSE” clean-up and DART/QRE defined issues, must be 95% complete by all Market Participants based upon Market Sync Reporting Tool Status: Market Sync Reporting Tool to capture completion threshold based upon each Market Participant group type reaching a 95% status for Priorities 1,2,4 (1) and 5.  ERCOT group = 58.07% Complete (original count = 189,814)  CR group = 63.39% Complete (original count = 250,067)  TDSP group = 39.25% Complete (Original count = 120,255) Reporting mechanism for Market Sync – DART/QRE Priorities 3, 4 (2,3,4) & 6 to be defined in early February 2003 based upon data submitted by MPs

6 RMS Resolution from Outstanding QRE issues documented by ERCOT as of 12/16/02 be 95% complete. (“In Progress” and “In Analysis” as reported to RMS ) Status: Outstanding QRE issues are currently at 33,369

7 RMS Resolution from ERCOT will have in place a mechanism for daily monitoring and synchronization of ERCOT’s Siebel and Lodestar systems. 5.ERCOT’s Siebel related data issues will be monitored and brought to a point of being repaired daily Status: ERCOT is evaluating the scope of internal Seibel and Lodestar synchronization issues ERCOT is defining procedures, departmental ownership and responsibility

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