BCCS Status Report Meeting Date: October 14, 2015

PSS®MOD BCCS Timeline Current Status Deliverable Planned Date Comment 1 PSS®MOD 9.1.2.3 High Priority issues Delivered on 7/31 2 Acceptance of M&S agreement Agreed on 9/2 3 PSS®MOD 9.1.2.4 Medium & low issues Delivered on 9/29 (also addressed 45 other items) 4 PSS®MOD 9.1.2.5 Group workflow Expected = 11/24 High priority improvement 5 PSS®MOD 9.1.2.6 Transaction Expected = 12/29 remaining agreed low/medium issue 6 PSS®MOD 9.1.2.7 remaining reported issues Expected = 01/29 WECC member sessions feedback 7 PSS®MOD 9.2.0.0 PSLF 19 upgrade Expected = 02/26/16 8 PSS®MOD 9.2.0.1 dyamics data delivery Expected = 05/27/16 PSS®MOD BCCS Timeline

Current Status Achieved: Siemens delivered resolution for 15 medium and low issues by end of September. What is WECC feedback on functionality? Achieved: Requirements for Group workflow improvements (high priority item) agreed by WECC on 9/23 Siemens plans to deliver solution by 11/24 Achieved: Siemens supplied input/draft to communicate progress to members. Has the progress been communicated to the members? Planned: After WECC submitted request to Siemens on 09/04, PSLF 19 upgrade is planned to be delivered by 02/26

PSLF 19 Upgrade Received formal request from WECC on 09/04 Working with Nathan & team to address requirements Good collaboration with GE Siemens team is already working on PSLF converter upgrade for PSS®E PSS®MOD PSLF 19 compatibility expected by 02/26

Next Steps/Prioritization Are we in alignment and agreement on next steps? Group workflow (high priority improvement) PSLF 19 upgrade Transaction (remaining medium issue) Remaining reported issues (from member meetings) Dynamic Data What else?