TWITTER INC

CUSIP: 90184LAD4 Class: NOTE 1.000% 9/1

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

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

Q1 2018
Shares 10,000 Value ($000) $9 Avg Close — Range —
Q4 2017
Shares 185,000 Value ($000) $173 Avg Close — Range —
Q3 2017
Shares 161,000 Value ($000) $147 Avg Close — Range —
Q2 2017
Shares 156,000 Value ($000) $143 Avg Close — Range —