1. MARKET/OPERATIONS SUPPORT ORGANIZATION Joel Mickey Director, Market Operations Support jmickey@ercot.com 512-248-3925 (office) 512-639-0224 (cell)

2. 2 2 December 04, 2008 Mkt/Ops Support Organization Organizational Structure SYSTEM PLANNING & OPERATIONS Trip Doggett Sr. VP & COO COMPLIANCE MARKETS CLIENT SERVICES MARKET/OPS SUPPORT TBD Chief Compliance Officer Betty Day Director, Markets Dale Goodman Director, Client Services Joel Mickey Director, Market Operations Support Kent Saathoff VP System Planning and Operations Jackie Ashbaugh Data Integrity and Administration Tom Baum Testing Adam Martinez Web Presence

3. 3 3 December 04, 2008 Mkt/Ops Support Organization Departments & Core Functions Data Integrity and Administration (Jackie Ashbaugh) Testing (Tom Baum) Web Presence (Adam Martinez) COMS Data Integrity Assurance COMS Business Intelligence, Extracts, & Reports ESIID Consumption Data Loading COMS Systems & ISM Data Synchronization Settlement system health checks & problem identification, work flow exception clearing & reprocessing validations Business Process Management Information Lifecycle Management Business Intelligence Participate in projects and SIRs as needed Provide support for Market Participants, PUCT and ERCOT staff Nodal transition activities for COMS, EDW, MIS, ILM, BPM Mgmt & Admin, including SAS 70 and other audits Perform all Project and SIR Maintenance Testing for the Retail and Wholesale Commercial Systems, and Enterprise Information Services Perform selected Project and SIR Maintenance Testing for Corporate Operations, IT Infrastructure Operations, and System Operations ERCOT Liaison to Texas Market Test Plan Team (TTPT) Coordinate Market Participant Testing through Flight Testing Administration: Test and Certify new CRs Support Nodal Testing for all Business Systems including system Integration ERCOT’s “Home Team” for long term Testing support for all Integrated Business Systems Ongoing strategy and vision for external websites Business ownership of external websites and services ERCOT.com TML MIS Dashboards Web content management Process Tools Training Standards and guidelines for consistent user interface “look and feel” Communication with market participants regarding ERCOT websites and content delivery

4. 4 4 December 04, 2008 Mkt/Ops Support Organization Data Integrity and Administration Strategic FocusJackie Ashbaugh Commercial Operations Data Integrity & Synchronization –Market Participant account & relationship data –ESIID account & relationship data –Consumption data loading –ERCOT & Market Participants (e.g. data extracts, MarkeTrak issues, etc.) –Retail transaction data used in data aggregation and settlements Commercial Operations Market Data Transparency –Data replication –Business Intelligence –Extracts, reports and web services Commercial Operations postings on TML, www.ercot.com, MISwww.ercot.com Capital project support –PUCT Project 34610 Advanced Metering – Settlements Interim & Long Term Solutions –Information Lifecycle Management (ILM) - Enterprise strategy and implementation of ILM for source systems, file servers and archiving systems –Nodal project and transition activities for COMS, EDW, ILM, MIS, BPM  COMS – registration, batch processing, integration of retail, zonal and nodal activities  NDSML management, as well as, extract, report & data web services specifications  MIS landing pages & data arrangement & availability  Information Lifecycle Management across systems and fileservers  Business Process Management including data management and controls Information Lifecycle Management Support Market Participants and market groups

5. 5 5 December 04, 2008 Mkt/Ops Support Organization Testing Mission Statement –To effectively and efficiently produce accurate and timely information needed to assess the quality of integrated applications as defined by our business customer’s requirements Facilitate Zonal testing for Commercial Systems Facilitate three PUCT-mandated Texas SET Flights to certify new CRs in ERCOT’s Retail Market Support Nodal Testing for all business systems including system integration ERCOT’s “Home Team” for long-term testing support for all integrated business systems Testing Strategic FocusTom Baum

6. 6 6 December 04, 2008 Mkt/Ops Support Organization Nodal Implementation – support for MIS portal project, Enterprise Data Warehouse, and Current Day Reporting (CDR) reporting projects, PMO communications Improvements to public website content management and delivery –Improved search capabilities –Faster updates of content –Continued improvements to content organization Delivery of high-value services to MPs –Seamless experience / consistent look and feel –Dashboards –Web services Capital project support Business Process Management Support Market Participants and market groups Web Presence Strategic FocusAdam Martinez

7. 7 7 December 04, 2008 Mkt/Ops Support Organization Questions