VOLCANO CORPORATION

CUSIP: 928645100 Class: CMN

Invesco Ltd.'s Holding History (CIK: 0000914208)

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

Q4 2014
Shares 27,899 Value ($000) $499 Avg Close — Range —
Q3 2014
Shares 26,259 Value ($000) $279 Avg Close — Range —
Q2 2014
Shares 25,433 Value ($000) $448 Avg Close — Range —
Q1 2014
Shares 25,434 Value ($000) $501 Avg Close — Range —
Q4 2013
Shares 17,387 Value ($000) $380 Avg Close — Range —
Q3 2013
Shares 16,140 Value ($000) $387 Avg Close — Range —
Q2 2013
Shares 14,051 Value ($000) $255 Avg Close — Range —