WS Opportunity Fund L P

• 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
• 10% owner at Paylocity Holding Corp · on record since Apr 29, 2005
• 10% owner at WORLD HEART CORP · on record since Jul 28, 2005