VOLCANO CORPORATION

CUSIP: 928645100 Class: CMN

TEACHER RETIREMENT SYSTEM OF TEXAS's Holding History (CIK: 0000796848)

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

Q4 2014
Shares 1,545 Value ($000) $28 Avg Close — Range —
Q3 2014
Shares 1,873 Value ($000) $20 Avg Close — Range —
Q2 2014
Shares 1,891 Value ($000) $33 Avg Close — Range —
Q1 2014
Shares 2,028 Value ($000) $40 Avg Close — Range —
Q4 2013
Shares 2,038 Value ($000) $45 Avg Close — Range —
Q3 2013
Shares 6,980 Value ($000) $167 Avg Close — Range —
Q2 2013
Shares 3,685 Value ($000) $67 Avg Close — Range —