COMERICA INC

Ticker: CMA CUSIP: 200340107 Class: EQTY

GUARDIAN CAPITAL LP's Holding History (CIK: 0001224324)

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

Q1 2019

Shares 5,265 Value ($000) $386 Avg Close $57.48 Range $48.30 - $63.69

Q4 2018

Shares 3,836 Value ($000) $263 Avg Close $56.51 Range $45.60 - $66.60

Q3 2018

Shares 3,836 Value ($000) $346 Avg Close $67.38 Range $62.53 - $71.00

Q2 2018

Shares 3,836 Value ($000) $349 Avg Close $67.40 Range $63.78 - $71.04

Q1 2018

Shares 2,551 Value ($000) $244 Avg Close $66.87 Range $60.29 - $71.95

Q1 2014

Shares 11,230 Value ($000) $582 Avg Close $31.52 Range $28.78 - $35.16

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	5,265	$386	$57.48	$48.30 - $63.69
Q4 2018	3,836	$263	$56.51	$45.60 - $66.60
Q3 2018	3,836	$346	$67.38	$62.53 - $71.00
Q2 2018	3,836	$349	$67.40	$63.78 - $71.04
Q1 2018	2,551	$244	$66.87	$60.29 - $71.95
Q1 2014	11,230	$582	$31.52	$28.78 - $35.16