CORNING INC NY

Our Board of Directors adopted (i) the Code of Conduct for Directors and Executive Officers, which supplement our Code of Conduct that governs all employees and directors and (ii) the Code of Ethics for the Chief Executive Officer and Financial Executives (Code of Ethics). These Codes have existed for over ten years. The Code of Ethics applies to our Chief Executive

Officer, Chief Financial Officer, Controller and other financial executives. During 2023, no amendments to or waivers of the Code of Ethics provisions were made for any of our directors or executive officers. A copy of the Code of Ethics is available on our website athttp://www.corning.com/worldwide/en/about-us/investor-relations/codes-of-conduct-ethics.html. We will disclose future amendments to, or waivers from, the Code of Ethics on our website within four business days following the date of such amendment or waiver.