VOLCANO CORPORATION

CUSIP: 928645100 Class: CMN

SIT INVESTMENT ASSOCIATES INC's Holding History (CIK: 0000769317)

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

Q1 2014
Shares 96,625 Value ($000) $1,904 Avg Close — Range —
Q4 2013
Shares 136,765 Value ($000) $2,988 Avg Close — Range —
Q3 2013
Shares 167,865 Value ($000) $4,020 Avg Close — Range —
Q2 2013
Shares 167,865 Value ($000) $3,043 Avg Close — Range —