Company: FRME
Filing Date: 2025-10-10
Form Type: S-4
Source: 0001193125-25-237211
Chunk: 121

Company: FIRST MERCHANTS CORP
Filing Date: 2025-10-10
Form: S-4
Chunk 121
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8-K):

| • |     | The description of First Savings common stock set forth in the registration statement filed by First Savings                                   
 pursuant to Section 12 of the Exchange Act, including any amendment or report filed with the SEC for the purpose of updating such description. |

First Savings also incorporates by reference any future filings (other than current reports furnished under Item 2.02 or Item 7.01 of Form 8-Kand exhibits filed on such form that are related to such items) made with the SEC pursuant to Sections 13(a), 13(c), 14, or 15(d) of the Exchange Act, including those made after the date of filing of the initial registration statement that contains this proxy statement prospectus and prior to effectiveness of the registration statement. The documents incorporated by reference into this prospectus are available from First Savings upon request. First Savings will provide a copy of any and all of the information that is incorporated by reference in this prospectus to any person, without charge, upon written or oral request. If exhibits to the documents incorporated by reference in this prospectus are not themselves specifically incorporated by reference in this prospectus, then the exhibits will not be provided. Requests for such copies should be directed to the following: First Savings Financial Group, Inc. Attention: Tony A. Schoen, Corporate Secretary 702 North Shore Drive, Suite 300 Jeffersonville, IN 47130 Telephone: (812) 283-0724 90

If you would like to request documents, please do so by [●] , in order to receive them before the First Savings special meeting.

You should rely only on the information incorporated by reference or
provided in this proxy statement and prospectus. We have authorized no one to provide you with different information. We are not making an offer of these securities in any state where the offer or sale is not permitted. You should not assume that
the information in this proxy statement and prospectus is accurate as of any date other than the date on the front of this document. If any material change occurs during the period that this proxy statement and prospectus is required to be
delivered, this proxy statement and prospectus will be supplemented or amended.

All information regarding First Merchants in this proxy
statement and prospectus has been provided by First Merchants, and all information in this proxy statement and prospectus regarding First Savings has been provided by First Savings.

91

Annex A

Execution Version

AGREEMENT AND PLAN OF MERGER

BETWEEN

FIRST