VOLCANO CORPORATION

CUSIP: 928645AB6 Class: CORPORATE OBLIG

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q3 2014
Shares 1,209,000 Value ($000) $1,047 Avg Close — Range —
Q2 2014
Shares 1,209,000 Value ($000) $1,167 Avg Close — Range —
Q1 2014
Shares 284,000 Value ($000) $281 Avg Close — Range —
Q4 2013
Shares 284,000 Value ($000) $279 Avg Close — Range —
Q3 2013
Shares 234,000 Value ($000) $242 Avg Close — Range —
Q2 2013
Shares 234,000 Value ($000) $214 Avg Close — Range —