1. TX SET 2.1 March 8 th, 2005

2. Retail Market Subcommittee approved a timeline for a TX SET version release before close of year ’05. PublishedPublished: March 2005 Implementation Date (I.D.)Implementation Date (I.D.): To be determined by 2.1 Market Coordination Team Test FlightTest Flight: 1005

3. ContainsContains –Approximately 50 Change Controls Will apply the decisions from the 810/867/824 Taskforce –824 Reject codes –Will provide CRs with “Billing Determinants” on the 810_02 Invoice Will apply decision from the Transaction Improvement Task Force –814_24 will have indicator code for 2 nd MVO request Will apply decisions from the DNP Taskforce –650 – CRs must authorize TDSP to disconnect services at a Premium Location for a Disconnect Non-Payment before premium disconnect charges are accepted by the CR. –650 – One to One relationship Will apply changes that are necessary for CRs to operate in Muni/Coop territories

4. TX SET 2.1 Requirements document –Sent to: 2.1 Market Coordination Team Texas Test Plan Script Subteam –What is it used for? The document applies business applications and functionality to the approved TX SET change controls –Status: Complete TX SET 2.1 Implementation GuidesTX SET 2.1 Implementation Guides –Sent to: TX Retail Market –By way of the TX SET Website Posting –What is it used for? For programmers to code for the TX SET upgrade –Status REDLINE Assignments given to TX SET Membership

5. *Change Controls per “TX SET CC Log” as of 3/3/05