VOLCANO CORPORATION

CUSIP: 928645100 Class: CMN

CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM's Holding History (CIK: 0000919079)

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

Q1 2015
Shares 91,700 Value ($000) $1,648 Avg Close — Range —
Q4 2014
Shares 91,700 Value ($000) $1,648 Avg Close — Range —
Q3 2014
Shares 91,700 Value ($000) $976 Avg Close — Range —
Q2 2014
Shares 98,700 Value ($000) $1,738 Avg Close — Range —
Q1 2014
Shares 98,700 Value ($000) $1,895 Avg Close — Range —
Q4 2013
Shares 95,500 Value ($000) $2,086 Avg Close — Range —
Q3 2013
Shares 94,075 Value ($000) $2,250 Avg Close — Range —
Q2 2013
Shares 73,375 Value ($000) $1,330 Avg Close — Range —