1. Market Metrics Working Group 2005 Accomplishments and 2006 Goals

2. Accomplishments 2005 Completed 814-28 (PT) tracking/reporting changes requested of ERCOT into template in 1st Quarter 2005 Completed 814-28 (PT) tracking/reporting changes requested of ERCOT into template in 1st Quarter 2005 MMWG determined there were no changes to reporting as a result of MIMO success criteria established by the Market. This item has been completed. MMWG determined there were no changes to reporting as a result of MIMO success criteria established by the Market. This item has been completed. MMWG determined that there are no reporting impacts with the implementation of TX SET version 2.1. MMWG determined that there are no reporting impacts with the implementation of TX SET version 2.1. MMWG provided estimation reports to RMS of the total number of estimated meter readings per month for both the 1 st and 2 nd Quarters of 2005. MMWG provided estimation reports to RMS of the total number of estimated meter readings per month for both the 1 st and 2 nd Quarters of 2005.

3. Goals through 2006 Majority of the team’s focus will be on an anticipated new Performance Measures Rulemaking, which maybe more outcome oriented verses transactional timing Majority of the team’s focus will be on an anticipated new Performance Measures Rulemaking, which maybe more outcome oriented verses transactional timing Create a survey that would be distributed to the Market to determine how the market utilizes the current information found the Performance Measures quarterly reports. The intent of this survey is to help MMWG improve and refine the current reporting process and information. Create a survey that would be distributed to the Market to determine how the market utilizes the current information found the Performance Measures quarterly reports. The intent of this survey is to help MMWG improve and refine the current reporting process and information. Make a recommendation to RMS that will refine the process and information for the monthly reports provided by the ERCOT EDIM team Make a recommendation to RMS that will refine the process and information for the monthly reports provided by the ERCOT EDIM team MMWG will continue working with PUCT Staff to improve timeliness of filings by market participants and assist PUCT Staff members as requested MMWG will continue working with PUCT Staff to improve timeliness of filings by market participants and assist PUCT Staff members as requested

4. Goals through 2006 MMWG will Continue to provide Summarized Updates of the overall Market Performance to RMS MMWG will Continue to provide Summarized Updates of the overall Market Performance to RMS MMWG will continue to work as a group in refining the reporting process to increase consistency and manner in which data is calculated and reported MMWG will continue to work as a group in refining the reporting process to increase consistency and manner in which data is calculated and reported MMWG will continue to evaluate the frequency of meetings to ensure effective resource utilization while maximizing the results, along with increasing market participation MMWG will continue to evaluate the frequency of meetings to ensure effective resource utilization while maximizing the results, along with increasing market participation

5. Goals through 2006 Market Workshop sponsored by MMWG Market Workshop sponsored by MMWG  Tentatively scheduled for Tuesday, February 28, 2006 time 9:00 AM – 3:00 PM  Agenda Topics  Survey will be distributed to the Market to determine what information contained in the current reporting is beneficial to the Market and/or Market Participants internal processes.  Review current Service Order Extracts provided by ERCOT and PUCT reporting requirements (Project 24462), along with survey feedback to determine where reporting can be improved or refined.  Reporting Measures - A Look at the Current to Improve for the Future  Look at MMWG New home on the New ERCOT.com website:  http://www.ercot.com/committees/board/tac/rms/mmwg/i ndex.html http://www.ercot.com/committees/board/tac/rms/mmwg/i ndex.html http://www.ercot.com/committees/board/tac/rms/mmwg/i ndex.html