Orion Group Holdings Inc

The Company has also adopted a Code of Business Conduct and Ethics for Members of the Board of Directors (the “Board Code of Ethics”) and a separate Code of Business Conduct and Ethics for Employees that applies to all employees of the Company, including its senior accounting and financial officers, the Chief Executive Officer (“CEO”) and Chief Financial Officer (“CFO”), as required by the rules of the SEC and Rule 406 of the Sarbanes-Oxley Act of 2002 (the “Employee Code of Ethics”, together with the Board Code of Ethics, the “Code of Ethics”). The Code of Ethics, as well as other governance documents, are available as described below under “Website Availability of Governance Documents.” Any changes in, or waivers to, either of the Codes of Ethics are posted on the Company’s website within four business days and maintained for at least twelve months.