Genprex, Inc.

We have adopted a written Code of Business Conduct and Ethics, or Ethics Code, that applies to all of our officers, directors and employees, including our principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions. A current copy of our Ethics Code is available on our website atwww.genprex.com/investors/corporate-governance. We may satisfy the disclosure requirement under Item 5.05 of Form 8-K regarding a substantive amendment to, or a waiver from, a provision of our Ethics Code that applies to our principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions and that relates to any element of the code of ethics definition enumerated in paragraph (b) of Item 406 of the SEC’s Regulation S-K, by posting such information on our website, www.genprex.com, or by filing a Form 8-K.