COMERICA INC

Ticker: CMA CUSIP: 200340107 Class: EQTY

Pinnacle Bancorp, Inc.'s Holding History (CIK: 0001703383)

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

Q3 2019

Shares 113 Value ($000) $7 Avg Close $48.34 Range $42.66 - $54.01

Q2 2019

Shares 113 Value ($000) $8 Avg Close $53.72 Range $49.43 - $58.19

Q1 2019

Shares 113 Value ($000) $8 Avg Close $57.48 Range $48.30 - $63.69

Q4 2018

Shares 113 Value ($000) $8 Avg Close $56.51 Range $45.60 - $66.60

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	113	$7	$48.34	$42.66 - $54.01
Q2 2019	113	$8	$53.72	$49.43 - $58.19
Q1 2019	113	$8	$57.48	$48.30 - $63.69
Q4 2018	113	$8	$56.51	$45.60 - $66.60