NEWMARKET CORP

We have adopted a Code of Conduct, which is available on our website athttp://www.newmarket.com under Investor Relations, Corporate Governance, that outlines the principles, policies and laws that are intended to guide our directors, officers and employees (including our Principal Executive Officer, Principal Financial Officer and Principal Accounting Officer). We maintain several methods for the reporting of violations of our Code of Conduct or other concerns, including a toll-free hotline. We prohibit retaliation of any kind against employees for good faith reports of ethical violations.

We intend to satisfy the disclosure requirement under Item 5.05 of Form 8-K relating to amendments to or waivers from any provision of our Code of Conduct applicable to the Principal Executive Officer, Principal Financial Officer and Principal Accounting Officer by posting this information on our website.