VOLCANO CORPORATION

CUSIP: 928645100 Class: CMN

NORGES BANK's Holding History (CIK: 0001374170)

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

Q4 2014
Shares 198,000 Value ($000) $3,541 Avg Close — Range —
Q3 2014
Shares 288,253 Value ($000) $3,067 Avg Close — Range —
Q2 2014
Shares 288,253 Value ($000) $5,076 Avg Close — Range —
Q1 2014
Shares 442,235 Value ($000) $8,717 Avg Close — Range —
Q4 2013
Shares 442,235 Value ($000) $9,663 Avg Close — Range —
Q3 2013
Shares 442,235 Value ($000) $10,578 Avg Close — Range —
Q2 2013
Shares 281,742 Value ($000) $5,108 Avg Close — Range —
Q1 2013
Shares 228,007 Value ($000) $5,076 Avg Close — Range —
Q3 2012
Shares 456,014 Value ($000) $12,851 Avg Close — Range —
Q2 2012
Shares 228,007 Value ($000) $6,030 Avg Close — Range —