VOLCANO CORPORATION

CUSIP: 928645AB6 Class: CORPORATE OBLIG

CAMDEN ASSET MANAGEMENT L P /CA's Holding History (CIK: 0000903944)

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

Q2 2014
Shares 4,140,000 Value ($000) $3,998 Avg Close — Range —
Q1 2014
Shares 5,640,000 Value ($000) $5,580 Avg Close — Range —
Q4 2013
Shares 22,040,000 Value ($000) $21,627 Avg Close — Range —
Q3 2013
Shares 27,340,000 Value ($000) $28,263 Avg Close — Range —
Q2 2013
Shares 32,890,000 Value ($000) $30,012 Avg Close — Range —