UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

(Amendment No.     )

Filed by the Registrant ☒Filed by a Party other than the Registrant ☐

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☐ Preliminary Proxy Statement☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))☐ Definitive Proxy Statement☒ Definitive Additional Materials☐ Soliciting Material Pursuant to §240.14a-12

HORIZON BANCORP

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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June 12, 2015

Dear Shareholder:

We recently mailed you proxy material in connection with our upcoming Annual Meeting of Shareholders to be held on June 30, 2015.  According to our records, we have not yet received your proxy.

It is very important that your shares be voted, regardless of the number of shares you own.

Please take a moment to VOTE your shares by returning your proxy in the envelope provided.  You may also vote by the internet, telephone or mobile phone by following the enclosed instructions.

Our Board of Directors unanimously recommends a “FOR” vote on all proposals.

Please disregard this letter if you already voted your shares.  Thank you for your cooperation and support.

Sincerely,

/s/ Craig M. Dwight

Craig M. Dwight

Chairman & Chief Executive Officer