VOLCANO CORPORATION

CUSIP: 928645AB6 Class: CORPORATE OBLIG

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

Note: Option positions (PUT/CALL) are excluded.

Q3 2014
Shares 75,500,000 Value ($000) $65,326 Avg Close — Range —
Q2 2014
Shares 75,500,000 Value ($000) $72,627 Avg Close — Range —
Q1 2014
Shares 60,500,000 Value ($000) $59,767 Avg Close — Range —
Q4 2013
Shares 60,500,000 Value ($000) $59,747 Avg Close — Range —
Q3 2013
Shares 50,000,000 Value ($000) $51,660 Avg Close — Range —
Q2 2013
Shares 50,000,000 Value ($000) $46,129 Avg Close — Range —