VOLCANO CORPORATION

CUSIP: 928645100 Class: CMN

Zurcher Kantonalbank (Zurich Cantonalbank)'s Holding History (CIK: 0001368163)

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

Q3 2013
Shares 38,000 Value ($000) $909 Avg Close — Range —
Q2 2013
Shares 38,000 Value ($000) $689 Avg Close — Range —
Q1 2013
Shares 38,000 Value ($000) $846 Avg Close — Range —
Q4 2012
Shares 25,000 Value ($000) $590 Avg Close — Range —
Q3 2012
Shares 25,000 Value ($000) $714 Avg Close — Range —
Q2 2012
Shares 25,000 Value ($000) $716 Avg Close — Range —
Q1 2012
Shares 200,050 Value ($000) $5,671 Avg Close — Range —
Q4 2011
Shares 138,000 Value ($000) $3,283 Avg Close — Range —