VOLCANO CORPORATION

CUSIP: 928645100 Class: CMN

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2014
Shares 95,111 Value ($000) $1,701 Avg Close — Range —
Q3 2014
Shares 94,707 Value ($000) $1,008 Avg Close — Range —
Q2 2014
Shares 93,570 Value ($000) $1,648 Avg Close — Range —
Q1 2014
Shares 99,170 Value ($000) $1,955 Avg Close — Range —
Q4 2013
Shares 98,770 Value ($000) $2,158 Avg Close — Range —
Q3 2013
Shares 98,070 Value ($000) $2,346 Avg Close — Range —
Q2 2013
Shares 95,040 Value ($000) $1,723 Avg Close — Range —
Q1 2013
Shares 92,701 Value ($000) $2,064 Avg Close — Range —