VOLCANO CORPORATION

CUSIP: 928645100 Class: CMN

VANGUARD GROUP INC's Holding History (CIK: 0000102909)

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

Q4 2014
Shares 3,215,744 Value ($000) $57,498 Avg Close — Range —
Q3 2014
Shares 3,117,373 Value ($000) $33,169 Avg Close — Range —
Q2 2014
Shares 3,165,650 Value ($000) $55,747 Avg Close — Range —
Q1 2014
Shares 3,259,997 Value ($000) $64,254 Avg Close — Range —
Q4 2013
Shares 3,239,750 Value ($000) $70,789 Avg Close — Range —
Q3 2013
Shares 3,123,806 Value ($000) $74,722 Avg Close — Range —
Q2 2013
Shares 2,998,816 Value ($000) $54,368 Avg Close — Range —