VOLCANO CORPORATION

CUSIP: 928645100 Class: CMN

SFE Investment Counsel's Holding History (CIK: 0001317784)

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

Q4 2013
Shares 46,345 Value ($000) $1,013 Avg Close — Range —
Q3 2013
Shares 135,918 Value ($000) $3,255 Avg Close — Range —
Q2 2013
Shares 151,745 Value ($000) $2,751 Avg Close — Range —