UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

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

Exchange Act of 1934 (Amendment No. )

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Filed by a Party other than the Registrant o

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o Preliminary Proxy Statement

o Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

o Definitive Proxy Statement

x Definitive Additional Materials

o Soliciting Material Pursuant to §240.14a-12

Kimball International, Inc.

(Name of Registrant as Specified In Its Charter)

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

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*** Exercise Your Right to Vote ***

Important Notice Regarding the Availability of Proxy Materials for the

Shareholder Meeting to Be Held on October 31, 2017

	Meeting Information Meeting Type: Annual Meeting For holders as of: August 28, 2017 Date: October 31, 2017          Time: 9:30 A.M. EDT Location:  Company Headquarters     1600 Royal Street     Jasper, Indiana 47549
KIMBALL INTERNATIONAL, INC. ATTN: JIM KRODEL 1600 ROYAL STREET JASPER, IN 47549	You are receiving this communication because you hold shares in the above named company. This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side). We encourage you to access and review all of the important information contained in the proxy materials before voting.
	See the reverse side of this notice to obtain proxy materials and voting instructions.

—  Before You Vote  —

How to Access the Proxy Materials

Proxy Materials Available to VIEW or RECEIVE:

1. Notice & Proxy Statement       2. Annual Report on Form 10-K

How to View Online:

Have the information that is printed in the box marked by the arrow èXXXX XXXX XXXX (located on the following page) and visit: www.proxyvote.com.

How to Request and Receive a PAPER or E-MAIL Copy:

If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request:

1) BY INTERNET:	www.proxyvote.com
2) BY TELEPHONE:	1-800-579-1639
3) BY E-MAIL*:	sendmaterial@proxyvote.com

* If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow èXXXX XXXX XXXX (located on the following page) in the subject line.

Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before October 17, 2017 to facilitate timely delivery.

—  How To Vote  —

Please Choose One of the Following Voting Methods

Vote In Person: Many shareholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares.

Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow èXXXX XXXX XXXX available and follow the instructions.

Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.

Voting Items

THE BOARD OF DIRECTORS RECOMMENDS YOU VOTE FOR EACH OF THE FOLLOWING CLASS III DIRECTORS TO SERVE FOR A THREE-YEAR TERM:

1. Election of Directors

Nominees

01) ROBERT F. SCHNEIDER

02) GEOFFREY L. STRINGER

03) SUSAN B. FRAMPTON

The Board of Directors recommends you vote FOR proposal 2:

2. APPROVE, BY A NON-BINDING, ADVISORY VOTE, THE COMPENSATION PAID TO OUR NAMED EXECUTIVE OFFICERS.

The Board of Directors recommends you vote 1 YEAR for proposal 3:

3. APPROVE, BY A NON-BINDING, ADVISORY VOTE, THE FREQUENCY OF FUTURE ADVISORY VOTES ON THE COMPENSATION PAID TO OUR NAMED EXECUTIVE OFFICERS.

The Board of Directors recommends you vote FOR proposals 4 and 5:

4. APPROVE THE KIMBALL INTERNATIONAL, INC. 2017 STOCK INCENTIVE PLAN.

5. RATIFY THE APPOINTMENT OF DELOITTE & TOUCHE LLP AS THE INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR FISCAL YEAR 2018.

NOTE: In their discretion, the Proxies are authorized to vote upon such other business as may properly come before the meeting or any adjournment thereof.