Company: FRME
Filing Date: 2025-10-17
Form Type: S-4/A
Source: 0001193125-25-242318
Chunk: 112

Company: FIRST MERCHANTS CORP
Filing Date: 2025-10-17
Form: S-4/A
Chunk 112
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 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 December 12, 2025, 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 MERCHANTS CORPORATION

AND

FIRST SAVINGS FINANCIAL GROUP, INC.

THIS AGREEMENT AND PLAN OF MERGER (the “Agreement”) is entered into as of the 24 day of September, 2025, by and between FIRST MERCHANTS CORPORATION, an Indiana corporation (“First Merchants”), and FIRST SAVINGS FINANCIAL GROUP, INC., an Indiana
corporation (“First Savings”).

W