Company: CMA
Filing Date: 2025-11-25
Form Type: DEFM14A
Source: 0001193125-25-297173
Chunk: 189

Company: COMERICA INC
Filing Date: 2025-11-25
Form: DEFM14A
Chunk 189
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 |     | adjust, split, combine or reclassify any capital stock of Fifth Third or make, declare or pay any extraordinary 
 dividend on any capital stock of Fifth Third;                                                                   |

| • |     | take any action or knowingly fail to take any action where such action or failure to act could reasonably be                                                                                                      
 expected to prevent (i) the first merger or the bank mergers from qualifying as a “reorganization” within the meaning of Section 368(a) of the Code and (ii) the second merger from qualifying as a “liquidation” 
 as described in Section 332 of the Code;                                                                                                                                                                          |

| • |     | knowingly take any action that is intended to or would reasonably be likely to adversely affect or materially                                                                                                                                    
 delay the ability of Fifth Third or its subsidiaries to obtain any necessary approvals of any regulatory agency or governmental entity required for the transactions contemplated by the merger agreement or by the bank merger agreement or the 
 requisite Fifth Third vote or to perform its covenants and agreements under the merger agreement or the bank merger agreement or to consummate the transactions contemplated thereby; or                                                         |

| • |     | agree to take, make any commitment to take, or adopt any resolutions of its board of directors or similar 
 governing body in support of, any of the foregoing.                                                       |

Regulatory Matters Fifth Third and Comerica have agreed to cooperate with each other and use their reasonable best efforts to promptly prepare and file all necessary documentation, to effect all applications, notices, petitions and filings (and in the case of the applications, notices, petitions and filings required to obtain the requisite regulatory approvals, use their reasonable best efforts to make such filings within thirty (30) days of the date of the merger 127

agreement), to obtain as promptly as practicable all permits, consents, approvals and authorizations of all third parties, regulatory agencies and governmental entities which are necessary or
advisable to consummate the transactions contemplated by the merger agreement (including the mergers and the bank mergers), and to comply with the terms and conditions of all such permits, consents, approvals and authorizations of all such third
parties and governmental entities. Fifth Third and Comerica have agreed to each use reasonable best efforts to obtain each such requisite regulatory approval and any approvals required for the bank mergers as promptly as reasonably practicable.
Fifth Third and Comerica have also agreed to cooperate with each other in connection therewith (including the furnishing of any information and any reasonable undertaking or