UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A INFORMATIONProxy Statement Pursuant to Section 14(a) of theSecurities Exchange Act of 1934 (Amendment No.)

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☐Preliminary Proxy Statement☐CONFIDENTIAL, FOR USE OF THE COMMISSION ONLY (AS PERMITTED BY RULE 14(a)-6(e) (2))☐Definitive Proxy Statement☒Definitive Additional Materials☐Soliciting Material under Section 240.14a-12

The Eastern Company

(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 May 02, 2018

THE EASTERN COMPANY

Meeting Information

 Meeting Type: Annual Meeting

 For holders as of: March 01, 2018

 Date: May 02, 2018 Time: 11:00 AM EST

     Location: The Eastern Company

 112 Bridge Street

 Naugatuck, CT 06770-0460

THE EASTERN COMPANY

112 BRIDGE STREET

NAUGATUCK, CT 06770-0460

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.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.

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                     3. Form 10-K

How to View Online:

Have the information that is printed in the box marked by the arrow g

(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) 2) 3) BY INTERNET:www.proxyvote.com BY TELEPHONE:                                   1-800-579-1639 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 g(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 April 18, 2018 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 gavailable 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 ALL the following:

1. Election of Directors

Nominees

01 John W. Everets02 Michael A. McManus Jr. 03 James A. Mitarotonda04 August M. Vlak

The Board of Directors recommends you vote FOR proposals 2 and 3.

2. Advisory vote to approve the compensation of the named executive officers.

3. Ratify the appointment of the independent registered public accounting firm (Fiondella, Milone & LaSaracina LLP).

NOTE: Such other business as may properly come before the meeting or any adjournment thereof. Note: A vote to withhold authority to vote for any nominee(s) is treated as a vote against the nominee(s).