Orion Group Holdings Inc

You can access our Amended and Restated Certificate of Incorporation, Amended and Restated Bylaws, Codes of Ethics, Corporate Governance Guidelines, and Stockholder Communication Policy, as well as the Audit, Nominating and Governance, and Compensation Committee Charters under “Corporate Governance” in the “Investors” section of our website atwww.oriongroupholdingsinc.com. Information contained on our website or any other website is not incorporated into this proxy statement and does not constitute a part of this proxy statement. Additionally, any stockholder who so requests may obtain a printed copy of the governance documents from our Corporate Secretary at the mailing address provided below.