1. ERCOT Market Services Organization Dale Goodman Director, Market Services dgoodman@ercot.com 512-248-3966(office) 512-423-9285(cell) 512-248-6434(fax) August 7, 2008

2. 2 Market Services Organization Chart

3. 3August 7, 2008 Market Services Departments and Core Functions Market Rules & Stakeholder Support (Kristi Hobbs) Wholesale Client Services (Patrick Coon) Retail Market Analysis and Client Services (Jack Adams) Divisional Projects Organization (Hope Parrish) Market Operations Testing (Tom Baum) Facilitate ERCOT Market Rule Change Process –Protocol Revision Requests (PRRs) –System Change Requests (SCRs) –Market Guides Revision Requests Deliver Stakeholder Services –Provide transparency into proceedings of stakeholder subcommittee meetings –Provide meeting logistics coordination for stakeholder meetings Provide TAC & PRS Meeting Management Support Provide Level 2 Support for Market Participants, PUCT and ERCOT staff Nodal transition activities Mgmt & Admin, including audits Ensure Adequacy of Retail Market Communications Issue Retail Market Notifications and Bulletins Manage Retail Electric Provider Registration Process Market Participant Issue Resolution Conduct Retail Market Education Perform TDSP and Retail Electric Provider Account Management / Provide Single Point of Contact Provide RMS Meeting Management Support Coordinate Mass ESI ID Transition for retired REPs Provide ETS Reporting and Comply with PUCT Reporting Requirements Manage Outsourced Retail Choice Customer Care Center and Customer Notifications Provide Level 2 Support for Market Participants, PUCT and ERCOT staff Nodal transition activities Mgmt & Admin, including audits Perform All Project Testing for Retail Operations, Settlement and Billing Operations, Enterprise Information Services, and Corporate Operations Perform Testing for selected projects in IT Infrastructure Operations and System Operations Perform All SIR Testing for Retail Operations, Settlement and Billing Operations, Enterprise Information Services, and Corporate Operations Perform SIR Testing for selected applications in System Operations ERCOT Liaison to Texas Market Test Plan Team Coordinate Market Participant Testing – includes Flight Administration/ - Coordinate/Test/Certify Provide Level 3 Support for Market Participants, PUCT and ERCOT staff Nodal transition activities Mgmt & Admin, audits Deliver projects timely, within budget and meeting the business requirements Create Project Plans, incl. schedule/scope/budget/staff Lead the definition of requirements and acceptance criteria with stakeholder input Coordinate systems development, product implementation, and certify go-live with other departments Collect, compile, and analyze project activity data Publish weekly reports for all active projects; monthly Divisional and Corporate Develop and maintain Divisional-Project Priority List (PPL) strategy, supporting business case and development of high-level project release plans, associated resources and budgets Conduct MO/RO Continuous Analysis & Review Team (CART) meetings Nodal transition activities Mgmt & Admin, including audits, Portfolio Mgmt, and Financial Oversight Ensure Adequacy of Wholesale Market Participant Communications Issue Wholesale Market Notifications and Bulletins Manage PGC, TDSP, NOIE, QSE, And CRRAH Registration Manage QSE and CRRAH Qualification Process Lead Dispute Resolution Process Conduct Wholesale Market Education Perform Account Management Services/ Single Point of Contact Provide WMS and COPS Meeting Management Support Provide Level 2 Support for Market Participants, PUCT and ERCOT staff Nodal transition activities Mgmt & Admin, including SAS 70 and other audits Market Participant USA Digital Certificate Administration.

4. 4August 7, 2008 Dept 170 - Market Rules and Stakeholder Support Key Points  168 new revision requests: 49 PRRs, 56 NPRRs, and 63 guide revision requests (2007)  576 recommendation reports to document 2007 subcommittee, TAC, and Board decisions  Supported TAC and its six subcommittees (130+ days of meetings)  Facilitated annual voting for segment representatives to the Board, TAC and its subcommittees  700+ stakeholder meetings (includes facility and conference call coordination, logistics posting, vendor relations)

5. 5August 7, 2008 Dept 660 – Wholesale Client Services Key Points  550 Active MPs including (QSEs, NOIEs, Resource Entities, TDSPs)  600+ man-days per year of MP Market Education  350+ Market Notices per year to MPs  1800+ Settlements Disputes processed per year  450+ Core Service Requests Provided  800+ Registration Entries and Changes

6. 6August 7, 2008 Dept 630 - Retail Market Analysis Key Points  Quarterly PUCT Performance Measure Reporting  Manage contract performance for Switch Notifications processed by vendor, including cancellations returned by call center.  Reporting daily, weekly and monthly on initiating transactions to PUCT, BOD, TAC (Subcommittees)  Active in new market reporting designs  Ad-hoc data requests processed

7. 7August 7, 2008 Dept 650 – Retail Client Services Key Points  Customer Service to 146 listed Market Participants  21 Training/Education sessions, 734 Market Participants trained  2700 Requests/8800 activities logged to CRM  492 Market Notices to MPs  1992 FTE hours to Sub-Committees, Working Groups, and Task-Forces as Meeting Managers/SME  Facilitated the Mass Transition process

8. 8August 7, 2008 Dept 605 - DPO Key Points  Portfolio Management and Financial oversight of Commercial Ops (MO PPL) and Retail Ops (RO PPL) projects.  Conduct up to 52 CART meetings  Publish weekly status reports for all active DPO projects; monthly Divisional and Corporate reports.  Update Committees, Sub-Committees and Working Groups regularly  Post Nodal projects due to NPRRs replace historical Zonal activity

9. 9August 7, 2008 Dept 640 - Market Operations Testing Key Points  NAESB, Paperfree, TIBCO, Siebel, MIS, MarkeTrak, ETS, Retail TML, Package 2 API/ 142 SIRS / 2,100 scripts  AppWorx, Lodestar Batch execution, Siebel to Lodestar End Point Services, 100 scripts/ 35 SIRS  EIS Testing/ Over 2,600 test scripts  Lawson, IAM, Vendor & Contract Mgmt, Collateral Calculation  4 PUCT Mandated Texas SET Flights/ 45,438 Tasks performed  16 new projects tested  Dept 640 does not test EMS, MMS, NMMS

10. 10August 7, 2008 Questions