VOLCANO CORPORATION

CUSIP: 928645AB6 Class: CORPORATE OBLIG

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q3 2014
Shares 10,000,000 Value ($000) $8,670 Avg Close — Range —
Q2 2014
Shares 12,555,000 Value ($000) $12,105 Avg Close — Range —
Q1 2014
Shares 12,555,000 Value ($000) $12,432 Avg Close — Range —
Q4 2013
Shares 12,555,000 Value ($000) $12,434 Avg Close — Range —
Q3 2013
Shares 15,646,000 Value ($000) $16,248 Avg Close — Range —
Q2 2013
Shares 19,964,000 Value ($000) $18,316 Avg Close — Range —