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.     )

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

Orion Energy Systems, 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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	Your Vote Counts!
	ORION ENERGY SYSTEMS, INC.  2021 Annual Meeting Vote by August 4, 2021 12:00 P.M. (CT)
ORION ENERGY SYSTEMS, INC. 2210 WOODLAND DRIVE MANITOWOC, WI 54220
D56746-P58808

You invested in ORION ENERGY SYSTEMS, INC. and it’s time to vote!

You have the right to vote on proposals being presented at the Annual Meeting. This is an important notice regarding the availability of proxy material for the shareholder meeting to be held on August 5, 2021.

 Get informed before you vote

View the Notice and Proxy Statement and Annual Report on Form 10-K online OR you can receive a free paper or email copy of the material(s) by requesting prior to July 22, 2021. If you would like to request a copy of the material(s) for this and/or future shareholder meetings, you may (1) visit www.ProxyVote.com, (2) call 1-800-579-1639 or (3) send an email to sendmaterial@proxyvote.com. If sending an email, please include your control number (indicated below) in the subject line. Unless requested, you will not otherwise receive a paper or email copy.

* Please check the meeting materials for any special requirements for meeting attendance.

V1

Vote at www.ProxyVote.com

THIS IS NOT A VOTABLE BALLOT

This is an overview of the proposals being presented at the

upcoming shareholder meeting. Please follow the instructions on

the reverse side to vote these important matters.

Voting Items		Board Recommends
1.	Election of Directors
	Nominees:
	01) Ellen B. Richstone	For
	02) Michael W. Altschaefl
	03) Mark C. Williamson
2.	Advisory vote on the approval of the compensation of the Company’s named executive officers as disclosed in the proxy statement.	For
3.	Ratification of BDO USA, LLP to serve as the Company’s independent registered public accounting firm for fiscal year 2022.	For
4.	On such other matters that may properly come before the annual meeting in accordance with the best judgment of the persons named as proxies.
NOTE: THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED AS DIRECTED OR, IF NO DIRECTION IS GIVEN, WILL BE VOTED FOR THE THREE DIRECTOR NOMINEES INDICATED ABOVE, FOR ITEM 2 AND FOR ITEM 3. IT WILL ALSO BE VOTED IN ACCORDANCE WITH BEST JUDGMENT OF THE PROXIES NAMED HEREIN ON ANY OTHER MATTERS THAT MAY PROPERLY COME BEFORE THE ANNUAL MEETING.

Prefer to receive an email instead? While voting on www.ProxyVote.com, be sure to click “Sign up for E-delivery”.

D56747-P58808