HELIX ENERGY SOLUTIONS GRP I

CUSIP: 42330PAG2 Class: CORPORATE OBLIG

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

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

Q1 2016
Shares 31,000 Value ($000) $25 Avg Close — Range —
Q4 2015
Shares 25,000 Value ($000) $20 Avg Close — Range —
Q3 2015
Shares 25,000 Value ($000) $20 Avg Close — Range —
Q2 2015
Shares 25,000 Value ($000) $24 Avg Close — Range —
Q1 2015
Shares 10,000 Value ($000) $10 Avg Close — Range —