1. Retail Market Subcommittee Update to TAC Kathy Scott September 25, 2014 1

2. RMGRR124 RMS Consideration RMGRR124, New REP Operating Rule 13, CSA Bypass Code (Vote) ◦ 08/05/14 Language Review/Vote: This Retail Market Guide Revision Request (RMGRR) instructs Retail Electric Providers (REPs) on the correct usage of the Continuous Service Agreement (CSA) bypass code within the 814_24, Move-Out Request. NOTE: RMS Solution to NPRR583’s Withdrawal  08/05/14: RMS unanimously Approved RMGRR124 as recommended TX SET and 9/9/14 Impact Analysis: No impacts to ERCOT Staffing, computer systems, business functions or ERCOT grid operations and practices. This Retail Market Guide Revision can take effect upon TAC approval. Registration System (REG) will be impacted. RMS Unanimously Approved IA for RMGRR124  09/25/14: RMS Recommends TAC’s Approval of RMGRR124 September 25, 2014RMS Update to TAC2

3. RMGRR125 RMS Consideration RMGRR125, Updates to Transition Process (Vote) ◦ 08/05/14 Language Review/Vote: This Retail Market Guide Revision Request (RMGRR) updates the business process for providing Market Participant contact information utilized during a Mass Transition or Acquisition Transfer event. ERCOT will use the contact information provided by Market Participants via registration forms or NCIs, eliminating the need for Market Participants to provide contact information via Appendix F1  08/05/14: RMS unanimously Approved RMGRR125 with RMS edits.  9/9/14 Impact Analysis: Less than $10K, which will be absorbed by the Operations and Maintenance (O&M) budget of affected department. No project required. This Retail Market Guide Revision can take effect upon TAC approval. Registration System (REG) will be impacted. RMS Unanimously Approved IA and Approved RMGRR125 edits  09/25/14: Recommendation to TAC is to Approve RMGRR125 with ERCOT’s 9/18/14 edits September 25, 2014RMS Update to TAC3

4. Withdrawal Request RMGRR111, Process Updates for the Request of Historical Usage Data via Smart Meter Texas Web Portal Update ◦ The Smart Meter Texas (SMT) project team is currently developing a new Letter of Authorization (LOA) process that is planned for implementation in the fourth quarter of 2014. ◦ This SMT LOA process will create new functionality that allows Customers registered on SMT to authorize third parties access to their historical usage data. Due to this project’s planned implementation, AMWG is withdrawing RMGRR111. ◦ RMS had no issues or concerns with this withdrawal request. September 25, 2014RMS Update to TAC4

5. 5 Third-Party Security Independent Review 1 st Quarter2 nd Quarter 2013 3 rd Quarter4 th Quarter 2014 Third-Party Customer Experience Review SMT Customer Experience Changes Third-Party Technical Design & Development Security Validation Additional Solution Requirements Third-Party Solution Testing Third-Party Implementation SMT 3 rd Party Access Project Schedule Third-Party Design AMIT / SMT DO Third-Party Volunteer Testers Technical Integration Sessions & Testing Security Validation SMT Design Assessme nt Legend Completed In Process Future Task 1 st Quarter2 nd Quarter3 rd Quarter4 th Quarter Third-Party Market Integration / Instruction Webinars

6. 6 SMT 3 rd Party Access Training Schedules: October 28, 2014* –Location: ERCOT Met Center Conference Room 206 Following RMS Austin, Texas –Time 1:00 PM to 5:00 PM –Web Conference: https://apps.na.collabserv.com/meetings/join?id=381-682https://apps.na.collabserv.com/meetings/join?id=381-682 –Dial In: 888-426-6840 Participant Code: 59114981 November 11, 2014 –Location Auditorium Ground Floor CenterPoint Energy Building 1111 Louisiana, Houston Texas 77002 –Time 1:00 PM to 5:00 PM –Web Conference: https://apps.na.collabserv.com/meetings/join?id=381-682https://apps.na.collabserv.com/meetings/join?id=381-682 –Dial In: 888-426-6840 Participant Code: 59114981 The training will start at 1:00 PM promptly. Please be on time and if on web conference, please remember to MUTE your telephone. No RSVP is required.

7. RMS Taskforces Updates: ◦ MarkeTrak Task Force (MTTF)  MarkeTrak 101 Training on October 24, 2014 9:30 AM – 4:00 PM  MTTF will conduct Lessons Learned meeting in 4QTR 2014 ◦ Sharyland Transition Taskforce (STTF):  Transition to Competitive Market Complete  Lessons Learned session Completed on September 9, 2014 during RMS meeting. Lessons learned follow-ups referred to TX SET  9/9/14 RMS unanimously approved to sunset STTF September 25, 2014RMS Update to TAC7

8. ERCOT Updates: ◦ Performance Measures 2QTR 2014: ◦ Inadvertent Gain Update- Market and Sharyland Service Territory: ◦ ERCOT’s Disaster Recovery Update: September 25, 2014RMS Update to TAC8

9. ERCOT Updates: ◦ Flight 1014 Includes:  5 New CRs will be testing (Including 3 additional DUNS)  Existing CRs: 6 CRs are testing for Change of Service Provider (1 of these is adding a new territory), and 5 CRs are testing for a bank change, 1 CR is adding a new territory. ◦ Flight 1014 Schedule:  Flight 1014 signup began 09/03/14  Flight 1014 signup deadline is 09/10/14  Connectivity kick-off conference call is 09/16/14  Flight kick-off conference call is 10/03/14  Day 1 transactions begin 10/06/14  Flight 1014 is scheduled to conclude 11/18/14 (contingency period until 12/09/14) September 25, 2014RMS Update to TAC9

10. Announcements! AMS Data Workshop III (Friday, 9/19/14 at 9:00 am) http://www.ercot.com/calendar/2014/09/20140919-AMSDATAWORK ◦ Workshop FOCUS:  Reviewed ERCOT AMS data metrics, ERCOT follow-ups on data provided, reports and extracts information,  Overview of SMT processes for file validation and synchronization,  Discussed TDSP’s follow-ups concerning AMS mismatches ◦ Next AMS Workshop IV planned for November 17, 2014. 2014 AEP CR Workshop – Save the Date ◦ September 30, 2014 - October 1, 2014 ◦ Corpus Christi Town Club, Corpus Christi, TX 2014 Oncor CR Workshop – Save the Date ◦ Monday, November 10, 2014 - Tuesday, November 11, 2014 ◦ George Bush Presidential Center (near SMU campus) September 25, 2014RMS Update to TAC10

11. Announcements! Joint RMS/COPS Workshop : ◦ Should the IDR Required Threshold Be Revisited?  Protocol Sections 18.6  Installation and Use of Interval Data Recorder Meters:  18.6.1 Interval Data Recorder Meter Mandatory Installation Requirements  (1) Interval Data Recorder (IDR) Meters are required and shall be installed and utilized for Settlement of Premises having either: (a)A peak Demand greater than 700 kW (or 700 kVA in CenterPoint Energy’s service territory); or (b)Service provided at transmission voltage (above 60 kV). ◦ RMS/COPS Workshop WebEx Kick-off scheduled Monday, October 20, 2014 at 1:30 PM- 5:00 PM  Web Link: http://www.ercot.com/calendar/2014/10/20141020-IDRWORKSHOP http://www.ercot.com/calendar/2014/10/20141020-IDRWORKSHOP September 25, 2014RMS Update to TAC11

12. Questions? 12September 25, 2014RMS Update to TAC