Syndax Pharmaceuticals Inc

The information required by this item is incorporated by reference to the information set forth in the sections titled "Compensation Discussion and Analysis", “Executive Officer” and “Director Compensation”, "Pay Versus Performance" and "The Board of Directors and its Committees-Compensation Committee Interlocks and Insider Participation" in our 2024 Proxy Statement.

Information regarding our Code of Business Conduct and Ethics, or the Code of Conduct, required by this item will be contained in our 2024 Proxy Statement under the caption “The Board of Directors and Its Committees – Code of Business Conduct and Ethics,” and is hereby incorporated by reference. If we make any substantive amendments to the Code of Conduct or grants any waiver from a provision of the Code of Conduct to any executive officer or director, we will promptly disclose the nature of the amendment or waiver on its website. The full text of our Code of Conduct is available at the investors section of our website at www.syndax.com. The reference to our website address does not constitute incorporation by reference of the information contained at or available through our website, and you should not consider it to be a part of this Annual Report.