WS CAPITAL MANAGEMENT LP

• Former 10% Owner at WELUND FUND INC · on record since Oct 18, 2007
• Former 10% Holder at WORLD HEART CORP · on record since Feb 13, 2006
• 10% owner at WELUND FUND INC · on record since Sep 28, 2006
• 10% owner at ICAGEN INC · on record since Feb 8, 2007
• Former 10% Owner at ICAGEN INC · on record since Jan 30, 2008
• 10% owner at PEAK INTERNATIONAL LTD · on record since Aug 29, 2003
• 10% owner at ROCKFORD CORP · on record since Aug 29, 2003
• 10% owner at WORLD HEART CORP · on record since Oct 7, 2004
• 10% owner at Paylocity Holding Corp · on record since Apr 29, 2005