Dr. Philippe Calais Del Ray Beach, Florida 33333 December 7, 2018 Re: Interim Chief Executive Officer Agreement Dear Philippe:CohBar, Inc. • December 10th, 2018 • Pharmaceutical preparations • California
Company FiledDecember 10th, 2018 Industry JurisdictionOn behalf of Cohbar, Inc. (the “Company”), I am pleased to offer you the position of Interim Chief Executive Officer of the Company on the terms and conditions set forth in this letter agreement (this “Agreement”). You have agreed to accept this role while we engage in a search for a permanent Chief Executive Officer, for which you will be a considered a candidate should you choose. You may accept this Agreement by signing and returning a copy of this Agreement to the Company as provided below.