Company: FRME
Filing Date: 2025-11-06
Form Type: 424B3
Source: 0001193125-25-268801
Chunk: 3

Company: FIRST MERCHANTS CORP
Filing Date: 2025-11-06
Form: 424B3
Chunk 3
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1500

This document also incorporates important business and financial information about First Savings from other documents filed by First Savings
with the SEC that are not delivered with or included in this document. This information (including the documents incorporated herein by reference) is available to you without charge upon your written or oral request. You may request these documents
in writing or by telephone at the following addresses and telephone numbers:

First Savings Financial Group, Inc.

702 North Shore Drive, Suite 300

Jeffersonville, Indiana 47130

Attention: Tony A. Schoen, Corporate Secretary

Telephone: (812) 283-0724

To ensure timely delivery, requests for documents should be made no later than five business days prior to the date of the special meeting of the First Savings shareholders. Accordingly, if you would like to make such a request, please do so by December 12, 2025, in order to receive the requested information before the meeting.

You can also obtain copies of the documents incorporated by reference in this document through the SEC’s website at www.sec.gov. See
“WHERE YOU CAN FIND ADDITIONAL INFORMATION” on page 89.

In addition, if you are a First Savings shareholder and have
questions about the Merger or the First Savings special meeting, need additional copies of this proxy statement and prospectus, or need to obtain proxy cards or other information related to the proxy solicitation, you may contact the following:

Laurel Hill Advisory Group, LLC

(888) 742-1305 (toll-free)

(516)
933-3100 (Banks and Brokers Only)

FIRST SAVINGS FINANCIAL GROUP, INC. 702 North Shore Drive, Suite 300 Jeffersonville, Indiana 47130 NOTICE OF SPECIAL MEETING OF SHAREHOLDERS TO BE HELD ON DECEMBER 19, 2025 To Our Shareholders: We will hold a special meeting of the shareholders of First Savings Financial Group, Inc. (“First Savings”) on December 19, 2025, 11:30 a.m., local time, at the First Savings Bank Center – Community Room, located at 702 North Shore Drive, Jeffersonville, Indiana 47130. The purposes of the special meeting are the following:

| 2. | Merger-Related Compensation Proposal. To consider and vote upon a proposal to approve, on an advisory (non-binding) basis, the compensation to be paid to First Savings’ named executive officers that is based on or otherwise relates to the