ALTA CALIFORNIA MANAGEMENT PARTNERS III LLC

• No longer 10% owner at OCCAM NETWORKS INC/DE · on record since Nov 7, 2006
• 10% owner at COTHERIX INC · on record since Jan 9, 2007
• Nolonger 10% Owner at COTHERIX INC · on record since Jan 9, 2007
• 10% owner at CORGENTECH INC · on record since Dec 19, 2007
• 10% owner at OCCAM NETWORKS INC/DE · on record since May 7, 2004
• Former 10% Owner at CORGENTECH INC · on record since Feb 18, 2004