September 4, 2008 TAC Meeting Summary For Sept. 11 ROS Meeting Paul Rocha ROS Chair

TAC Voting Items  OGRR211  “Deletion of References to Back-to- Back Import Capacity”  Approved by TAC

Wind Issues  Mark Garrett and WMS counter-part provided update on wind issues assigned to ROS  TAC Chair announced formation of Wind Integration Working Group (WIWG) reporting to TAC  Co-chaired by Vice Chairs of ROS and WMS  Central clearing-house for wind issues  Charter to be developed in initial organizational meetings

ROS Discussion Items  OGRR208, “Voltage Ride-Through (VRT) Requirement”  Black Start Analysis  Reserve Discount Factor (RDF) Revisions  ROS Endorsement of SEM Approach Draft Document  TAC also approved it  LAAR Study  Estimated 1Q 2009 completion – ROS Chair requests update at each monthly meeting  Advised that study future requests could be expedited if funds are provided to hire consultant to do the study with DWG/ROS review  Market Participant Survey Follow-up