VOLCANO CORPORATION

CUSIP: 928645100 Class: CMN

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q4 2014
Shares 147,585 Value ($000) $2,639 Avg Close — Range —
Q3 2014
Shares 131,758 Value ($000) $1,402 Avg Close — Range —
Q2 2014
Shares 137,714 Value ($000) $2,426 Avg Close — Range —
Q1 2014
Shares 151,036 Value ($000) $2,977 Avg Close — Range —
Q4 2013
Shares 142,002 Value ($000) $3,103 Avg Close — Range —
Q3 2013
Shares 131,908 Value ($000) $3,153 Avg Close — Range —
Q2 2013
Shares 126,762 Value ($000) $2,349 Avg Close — Range —