VOLCANO CORPORATION

CUSIP: 928645100 Class: CMN

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO's Holding History (CIK: 0000315297)

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

Q4 2014
Shares 13,163 Value ($000) $235 Avg Close — Range —
Q3 2014
Shares 13,163 Value ($000) $140 Avg Close — Range —
Q2 2014
Shares 13,163 Value ($000) $232 Avg Close — Range —
Q1 2014
Shares 2,114 Value ($000) $42 Avg Close — Range —
Q4 2013
Shares 2,114 Value ($000) $46 Avg Close — Range —
Q3 2013
Shares 2,114 Value ($000) $51 Avg Close — Range —
Q2 2013
Shares 2,114 Value ($000) $38 Avg Close — Range —