Thor Industries (THO) DEFA14A Additional proxy soliciting materials

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(Rule 14a-101)

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

Exchange Act of 1934

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

Thor Industries, 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 YourRightto Vote *** Important Notice Regarding the Availability of Proxy Materials for the Shareholder Meeting to Be Held on December 14, 2018
			Meeting Information
	THORINDUSTRIES,INC.		Meeting Type: Annual Meeting	B A R C O D E
			For holders as of:October 15, 2018
			Date:December 14, 2018    Time: 1:00 PM EST
			Location: Grand Hyatt New York
			109 East 42nd Street
			New York, NY 10017
	THOR   INDUSTRIES,    INC. ATTN:   W.   TODD   WOELFER 601   EAST   BEARDSLEY   AVENUE ELKHART,   IN   46514		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 atwww.proxyvote.comor 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.
	Investor   Address   Line   1 Investor   Address   Line   2 Investor   Address   Line   3 Investor   Address   Line   4 Investor   Address   Line   5 John   Sample 1234   ANYWHERE   STREET ANY   CITY,   ON   A1A   1A1
			Seethereversesideofthisnoticetoobtain  proxymaterialsandvotinginstructions.

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— Before You Vote—

How to Access the Proxy Materials

Proxy Materials Available to VIEW or RECEIVE:
1. Notice & Proxy Statement      2. Annual Report How to View Online: Have the information that is printed in the box marked by the arrow         (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         (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 December 02, 2018 to facilitate timely delivery.

	— How To Vote—        Please Choose One of the Following Voting Methods
	VoteInPerson: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. VoteByInternet:To vote now by Internet, go towww.proxyvote.com.Have the information that is printed in the box marked by the arrow         available and follow the instructions.
	VoteByMail:You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.	Internal Use   Only

Voting items

The Board of Directors recommends you vote
FOR the following:
1.      Election of Directors
Nominees
01     Andrew Graves                02  Amelia A. Huntington                03  Christopher Klein
The Board of Directors recommends you vote FOR the following proposal(s):	B A R C O D E
2.       Ratification of appointment of Deloitte & Touche LLP as our independent registered public accounting firm for our Fiscal Year 2019.
3.      Non-binding advisory vote to approve the compensation of our named executive officers (NEOs).
4.      Vote to declassify the Board of Directors.
NOTE:Such other business as may properly come before the meeting or any adjournment thereof.

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Reserved for Broadridge Internal Control Information

NAME
THE COMPANY NAME INC. - COMMON	123,456,789,012.12345
THE COMPANY NAME INC. - CLASS A	123,456,789,012.12345
THE COMPANY NAME INC. - CLASS B	123,456,789,012.12345
THE COMPANY NAME INC. - CLASS C	123,456,789,012.12345
THE COMPANY NAME INC. - CLASS D	123,456,789,012.12345
THE COMPANY NAME INC. - CLASS E	123,456,789,012.12345
THE COMPANY NAME INC. - CLASS F	123,456,789,012.12345
THE COMPANY NAME INC. - 401 K	123,456,789,012.12345

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	THIS SPACE RESERVED FOR SIGNATURES IF APPLICABLE