POTBELLY CORP

CUSIP: 73754Y100 Class: Common Stock

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

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

Q1 2018
Shares 10,785 Value ($000) $130 Avg Close — Range —
Q4 2017
Shares 10,785 Value ($000) $132 Avg Close — Range —
Q3 2017
Shares 10,785 Value ($000) $133 Avg Close — Range —
Q2 2017
Shares 10,785 Value ($000) $125 Avg Close — Range —
Q1 2017
Shares 10,785 Value ($000) $150 Avg Close — Range —