VOLCANO CORPORATION

CUSIP: 928645AB6 Class: CORPORATE OBLIG

ADVENT CAPITAL MANAGEMENT /DE/'s Holding History (CIK: 0001097278)

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

Q4 2014
Shares 141,000 Value ($000) $140 Avg Close — Range —
Q3 2014
Shares 31,074,000 Value ($000) $26,826 Avg Close — Range —
Q2 2014
Shares 37,279,000 Value ($000) $32,886 Avg Close — Range —
Q1 2014
Shares 41,810,000 Value ($000) $41,373 Avg Close — Range —
Q4 2013
Shares 41,261,000 Value ($000) $40,841 Avg Close — Range —
Q3 2013
Shares 37,697,000 Value ($000) $39,198 Avg Close — Range —
Q2 2013
Shares 41,433,000 Value ($000) $38,043 Avg Close — Range —