VOLCANO CORPORATION

CUSIP: 928645AA8 Class: CNV

OAKTREE CAPITAL MANAGEMENT LP's Holding History (CIK: 0000949509)

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

Q3 2012
Shares 24,690,000 Value ($000) $30,046 Avg Close — Range —
Q2 2012
Shares 23,690,000 Value ($000) $28,629 Avg Close — Range —
Q1 2012
Shares 5,640,000 Value ($000) $6,511 Avg Close — Range —