UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549


SCHEDULE 14A

(RULE 14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

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

Check the appropriate box:

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 under Rule 14a-12

ORION GROUP HOLDINGS, INC.

(Name of Registrant as Specified in its Charter)

Payment of filing fee (Check all boxes that apply):

No fee required

Fee paid previously with preliminary materials.

Fee computed on table in exhibit required by Item 25((b) per Exchange Act Rules 14a-6(i)(1) and 0-11


GRAPHIC

You invested in ORION GROUP HOLDINGS, 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 May 18, 2023. Vote Virtually at the Meeting* May 18, 2023 10:00 A.M. Central Time Virtually at: www.virtualshareholdermeeting.com/ORN2023 *Please check the meeting materials for any special requirements for meeting attendance. Smartphone users Point your camera here and vote without entering a control number V1.1 Your Vote Counts! ORION GROUP HOLDINGS, INC. 2023 Annual Meeting Vote by May 17, 2023 11:59 PM ET For complete information and to vote, visit www.ProxyVote.com Control # D97953-P88279 Get informed before you vote View the Notice and Proxy Statement and Annual Report online OR you can receive a free paper or email copy of the material(s) by requesting prior to May 4, 2023. 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.

GRAPHIC

ORION GROUP HOLDINGS, INC. 2023 Annual Meeting Vote by May 17, 2023 11:59 PM ET Voting Items Board Recommends 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. Vote at www.ProxyVote.com D97954-P88279 1 Year 1. To elect three Class I members to our Board of Directors each to serve a three-year term and until a successor is duly elected and qualified. Nominees: 1b. Margaret M. Foran 1c. Travis J. Boone 1a. Thomas N. Amonett 2. A non-binding advisory proposal to approve the compensation of our named executive officers as disclosed in the proxy statement (the “say-on-pay” vote); 3. Approval of the frequency of the “say-on-pay” vote; 4. The ratification of the appointment of KPMG LLP as the Company’s independent registered public accounting firm for 2023. NOTE: To transact such other business as may properly come before the Annual Meeting or any adjournment thereof. For For For For For