1st Quarter 2013 VRL Report Gentry Tubbs gtubbs@spp.org

Beginning of Violation TEMP64_18632 Beginning of Violation End of Violation Intervals VRL_TYPE VRL_VALUE ($) CONSTRAINTNAME SHADOWPRICE_AVG ($) 1/30/2013 17:55 1/30/2013 18:55 13 OC VRL 750 TEMP64_18632 585 Monitored Element- JEC – AUBURN 230kV Contingent Element - JEC – SUMMIT 345kV Reason for Violating: Increasing load and decreasing wind as we approached evening load peak.

Beginning of Violation TEMP28_18528 Monitored Element- Hayes – Vine 115kV Contingent Element - Postrock – Knoll 230kV Reason for Violating: Increase in West Kansas wind. Issued was resolved after sharp drop-off in wind. Beginning of Violation End of Violation Intervals VRL_TYPE VRL_VALUE ($) CONSTRAINTNAME SHADOWPRICE_AVG ($) 3/17/2013 13:40 3/17/2013 14:45 14 OC VRL 532 TEMP28_18528 951