1. Information Technology Report Dave Pagliai Manager, IT Support Services October 2015 ERCOT Public

2. 2 October 2015 Incident Report Highlights Service Availability – September Retail Market IT systems met all SLA targets Incidents & Maintenance – September/October  09/20/15 – UNIX Production frame failure in Taylor data center  09/21/15 – Unplanned Maintenance (Site Failover)  10/02/15 – Planned Maintenance (Site Failover)  10/08/15 – Planned Maintenance (Site Failover – External Web Services)  10/09/15 – Planned Maintenance (Site Failover – MIS)  10/11/15 – Planned Maintenance (Site Failover – ercot.com, MPIM, Retail API)

3. 3 MarkeTrak Performance ERCOT PublicOctober 2015