2. Market Coordination Team Update Retail Market Subcommittee July 11, 2007 Susan Munson Retail Market Liaison/MODPO

4. What did it contain?  POLR Rule (PUCT Project 31416)  Mass Transition transactional solution  Terms and Conditions (PUCT Project 29637)  Miscellaneous Change Controls  18 change controls  35 transactions modified  77 CRs, 6 TDSPs, and ERCOT Texas SET 3.0 in a Nutshell Project: PR40038_01 Current Phase: Execution 2007 PPL Source: Market/PUCT Priority: 0-Carryover Rank: 1 Budget: $1-$3 MM Program Area: RO

5. Implementation Guides posted on Texas SET Guides page of ERCOT.com under Current Texas SET Implementation Guides http://www.ercot.com/mktrules/guides/txset/index.html SEF Files posted in File Cabinet of Retail Testing website http://etod.ercot.com/ CBCI Initial Load file to be sent by CRs Texas SET 3.0 Odds & Ends Project: PR40038_01 Current Phase: Execution 2007 PPL Source: Market/PUCT Priority: 0-Carryover Rank: 1 Budget: $1-$3 MM Program Area: RO

6. Initial Production Load file  Between July 16, 2007 and July 31, 2007, all CRs should submit to ERCOT, via NAESB, an initial production load Customer Billing Contact Information File (CBCI file)  For more information, review the Retail Market Guide oSection 7.11.6 Customer Billing Contact Information File oAppendix F6 for file layouts  ERCOT will provide a confidential report to the PUCT by August 15, 2007 which will include the Name and DUNS Number of CRs who submitted the initial load CBCI file to ERCOT and the same information for those CRs that did not submit reports.  For questions – contact your ERCOT Retail Account Manager Customer Billing Contact Information File Project: PR40038_01 Current Phase: Execution 2007 PPL Source: Market/PUCT Priority: 0-Carryover Rank: 1 Budget: $1-$3 MM Program Area: RO

7. Meeting Dates and Locations 2007  July 13 – AEP, Corpus Christi  August 28 (Lessons Learned) – ERCOT Met Center (Note: all meetings are held in conjunction with TX SET meetings) Future Meetings/Market Communications Project: PR40038_01 Current Phase: Execution 2007 PPL Source: Market/PUCT Priority: 0-Carryover Rank: 1 Budget: $1-$3 MM Program Area: RO

8. ERCOT Contacts ERCOT Project Manager ERCOT SR. Business Analyst Hope Parrish Jennifer Frederick hparrish@ercot.comjfrederick@ercot.com 512-248-6522 (w)512-248-6733 (w) 512-771-9582 (c)512-413-0815 (c) ERCOT Market Liaison Susan Munson smunson@ercot.com 512-248-3881 (w) 512-826-0564 (c) Project: PR40038_01 Current Phase: Execution 2007 PPL Source: Market/PUCT Priority: 0-Carryover Rank: 1 Budget: $1-$3 MM Program Area: RO

9. Questions? Project: PR40038_01 Current Phase: Execution 2007 PPL Source: Market/PUCT Priority: 0-Carryover Rank: 1 Budget: $1-$3 MM Program Area: RO