WOR Worthington Enterprises Inc

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

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    WORTHINGTON INDUSTRIES, INC.

WORTHINGTON INDUSTRIES, INC.

ATTN: SHAREOWNER SERVICES

P.O. BOX 218

PORTLAND, OR 97228-2168

Meeting Information

Meeting Type:              Annual Meeting

For holders as of:         July 31, 2015

Date:  September 24, 2015             Time:  2:00 P.M., EDT

Location:   Meeting live via the Internet - please visit                     www.virtualshareholdermeeting.com/WOR15

The Company will be hosting the meeting live via the Internet this year. To attend the meeting via the Internet, please visit www.virtualshareholdermeeting.com/WOR15 and be sure to have the information that is printed in the box marked by the
arrow (located on the following page).

You are receiving this communication because you hold common shares in the company named above.

This is not a ballot. You cannot use this notice to vote these common 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.

—    Before You Vote    —

How to Access the Proxy Materials

Proxy Materials Available to VIEW or RECEIVE:

Notice of Annual Meeting of Shareholders      Proxy Statement       Company’s 2015 Annual Report to Shareholders

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 proxy materials, 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 proxy 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 the e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before September 10, 2015 to facilitate timely delivery.

—    How To Vote    —

Please Choose One of the Following Voting Methods

Vote By Internet:

Before The Meeting:

Go to www.proxyvote.com Have the information that is printed in the box marked by the
arrow (located on the following page) available and follow the instructions.

During The Meeting:

Go to www.virtualshareholdermeeting.com/WOR15 Have the information that is printed in the box marked by the
arrow (located on the following page) available and follow the instructions.

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

The Board of Directors recommends a vote FOR each of the listed nominees for election as a director and FOR Proposals 2 and 3.

1.      To elect three directors, each to serve for a term of three years to expire at the 2018 Annual Meeting of Shareholders:

Nominees:

01)   John B. Blystone

02)   Mark C. Davis

03)   Sidney A. Ribeau

2.      To approve the advisory resolution on executive compensation.

3.      To ratify the selection of KPMG LLP as the independent registered public accounting firm of the Company for the fiscal year ending May 31, 2016.