VOLCANO CORPORATION

CUSIP: 928645100 Class: CMN

Champlain Investment Partners, LLC's Holding History (CIK: 0001315478)

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

Q3 2014
Shares 2,112,295 Value ($000) $22,475 Avg Close — Range —
Q2 2014
Shares 2,294,175 Value ($000) $40,400 Avg Close — Range —
Q1 2014
Shares 2,275,365 Value ($000) $44,847 Avg Close — Range —
Q4 2013
Shares 2,585,700 Value ($000) $56,498 Avg Close — Range —
Q3 2013
Shares 2,460,030 Value ($000) $58,918 Avg Close — Range —
Q2 2013
Shares 2,408,705 Value ($000) $43,670 Avg Close — Range —
Q1 2013
Shares 1,201,575 Value ($000) $26,747 Avg Close — Range —