Company: FRME
Filing Date: 2025-11-06
Form Type: 424B3
Source: 0001193125-25-268801
Chunk: 7

Company: FIRST MERCHANTS CORP
Filing Date: 2025-11-06
Form: 424B3
Chunk 7
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 page 35 (the “Merger Proposal”). First Merchants would be the surviving entity in the 
 Merger, and First Savings would no longer be a separate company.                                                                                                                                                              |

You are also being asked to vote on two other proposals (completion of the Merger is not conditioned upon approval of these additional proposals):

| • |     | a proposal to approve, on an advisory (non-binding) basis, the                                                                                                                                                                             
 compensation that certain executive officers of First Savings (which we refer to as the “Merger-Related Compensation Proposal”) may receive in connection with the Merger pursuant to existing agreements or other arrangements with First 
 Savings, as discussed under the heading “MERGER-RELATED COMPENSATION PROPOSAL” beginning on page 36.                                                                                                                                       |

| • |     | a proposal to adjourn the First Savings special meeting, if necessary or appropriate, to solicit additional 
 proxies in favor of the Merger Proposal (which we refer to as the “Adjournment Proposal”).                  |

| Q: | How do I vote my shares without attending the special meeting? |

| A: | Whether you hold shares directly or in street name, you may direct your vote without attending the special 
 meeting. If you are a shareholder of record, you may vote by granting a proxy as follows:                  |

| • |     | By Mail - You may vote by mail by signing and dating your proxy card and mailing it in the envelope provided. You                                                                                                                                         
 should sign your name exactly as it appears on the proxy card. If you are signing in a representative capacity (for example as guardian, trustee, custodian, attorney, or officer of a corporation), you should indicate your name and title or capacity. |

| • |     | By Phone - You may vote by phone by calling 1-800-690-6903 and following the instructions given. |

| • |     | By Internet - You may vote by internet at www.proxyvote.com by entering the control number found on your proxy 
 card and following the instructions.                                                                           |

Your vote by phone or internet is valid as authorized by the Indiana Business Corporation Law. For shares held in street name, you should follow the voting instructions provided by your broker or nominee. You may complete and mail a voting instruction card to your broker or nominee or, in some cases, submit voting instructions by telephone or the internet. If you provide specific voting instructions by mail, telephone, or internet, your broker or nominee will vote your shares as you have directed. If you