X0306 4 2018-01-25 0000028412 COMERICA INC /NEW/ CMA 0001482556 Burkhart Megan D 1717 MAIN STREET MC 6515 DALLAS TX 75201 0 1 0 0 EVP - Chief HR Officer Common Stock 2018-01-25 4 M 0 3000 33.79 A 29104 D Common Stock 2018-01-25 4 S 0 200 94.79 D 28904 D Common Stock 2018-01-25 4 S 0 400 94.80 D 28504 D Common Stock 2018-01-25 4 S 0 100 94.801 D 28404 D Common Stock 2018-01-25 4 S 0 2300 94.806 D 26104 D Employee Stock Option (right to buy) 33.79 2018-01-25 4 M 0 3000 0 D 2014-01-22 2023-01-22 Common Stock 3000 0 D Employee Stock Option (right to buy) 49.51 2015-01-24 2024-01-21 Common Stock 2786 2786 D Employee Stock Option (right to buy) 42.32 2016-01-27 2025-01-27 Common Stock 3325 3325 D Employee Stock Option (right to buy) 32.97 2017-01-26 2026-01-26 Common Stock 3815 3815 D Employee Stock Option (right to buy) 67.66 2018-01-24 2027-01-24 Common Stock 2050 2050 D Employee Stock Option (right to buy) 95.25 2019-01-23 2028-01-23 Common Stock 1615 1615 D Includes shares acquired through employee stock plans, restricted stock units and shares purchased with reinvested dividends as of January 25, 2018. The options vest in four equal annual installments (based on the original grant amount) beginning on the date indicated in this column. /s/ Jennifer S. Perry, on behalf of Megan D. Burkhart through Power of Attorney 2018-01-29