VOLCANO CORPORATION

CUSIP: 928645AB6 Class: CORPORATE OBLIG

HighTower Advisors, LLC's Holding History (CIK: 0001462245)

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

Q3 2014
Shares 1,575,000 Value ($000) $1,363 Avg Close — Range —
Q4 2013
Shares 13,000 Value ($000) $13 Avg Close — Range —