VOLCANO CORPORATION

CUSIP: 928645AB6 Class: CORPORATE OBLIG

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q3 2014
Shares 4,437,000 Value ($000) $3,841 Avg Close — Range —
Q2 2014
Shares 4,534,000 Value ($000) $4,378 Avg Close — Range —
Q1 2014
Shares 4,738,000 Value ($000) $4,688 Avg Close — Range —
Q4 2013
Shares 5,055,000 Value ($000) $4,960 Avg Close — Range —
Q3 2013
Shares 5,054,000 Value ($000) $5,225 Avg Close — Range —
Q2 2013
Shares 5,225,000 Value ($000) $4,768 Avg Close — Range —