POTBELLY CORP

CUSIP: 73754Y100 Class: Common Stock

Municipal Employees' Retirement System of Michigan's Holding History (CIK: 0001588873)

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

Q2 2018
Shares 30,330 Value ($000) $393 Avg Close — Range —
Q1 2018
Shares 30,330 Value ($000) $365 Avg Close — Range —
Q4 2017
Shares 30,330 Value ($000) $373 Avg Close — Range —
Q3 2016
Shares 20,490 Value ($000) $255 Avg Close — Range —
Q2 2016
Shares 20,490 Value ($000) $257 Avg Close — Range —
Q1 2016
Shares 1,690 Value ($000) $23 Avg Close — Range —