VOLCANO CORPORATION

CUSIP: 928645100 Class: CMN

PRICE T ROWE ASSOCIATES INC /MD/'s Holding History (CIK: 0000080255)

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

Q4 2014
Shares 25,200 Value ($000) $451 Avg Close — Range —
Q3 2014
Shares 3,016,510 Value ($000) $32,096 Avg Close — Range —
Q2 2014
Shares 5,029,410 Value ($000) $88,568 Avg Close — Range —
Q1 2014
Shares 5,049,680 Value ($000) $99,529 Avg Close — Range —
Q4 2013
Shares 5,086,180 Value ($000) $111,133 Avg Close — Range —
Q3 2013
Shares 3,519,159 Value ($000) $84,178 Avg Close — Range —
Q2 2013
Shares 2,388,259 Value ($000) $43,299 Avg Close — Range —