VOLCANO CORPORATION

CUSIP: 928645100 Class: CMN

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q2 2014
Shares 70,839 Value ($000) $1,247 Avg Close — Range —
Q1 2014
Shares 51,745 Value ($000) $1,020 Avg Close — Range —
Q2 2013
Shares 87,636 Value ($000) $1,589 Avg Close — Range —