VOLCANO CORPORATION

CUSIP: 928645100 Class: CMN

ProShare Advisors LLC's Holding History (CIK: 0001357955)

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

Q4 2014
Shares 11,000 Value ($000) $197 Avg Close — Range —
Q3 2014
Shares 20,351 Value ($000) $217 Avg Close — Range —
Q2 2014
Shares 24,965 Value ($000) $440 Avg Close — Range —
Q1 2014
Shares 55,220 Value ($000) $1,088 Avg Close — Range —
Q3 2013
Shares 34,453 Value ($000) $824 Avg Close — Range —
Q2 2013
Shares 34,696 Value ($000) $629 Avg Close — Range —