Steven M. Sterin has been a member of the Kosmos board of directors since July 2019. Mr. Sterin currently serves on the Board of Directors of DuPont de Nemours, Inc. and is the Chair of its Audit Committee and a member of its Sustainability, Public Policy, Environment and Health and Safety Committee. Mr. Sterin was previously Co-Founder & President of G&S Energy Holdings, LLC, an independent energy company focused on the acquisition, safe operation and optimization of downstream and renewable energy assets in the U.S., from August 2021 to December 2022. He currently servers as a Senior External Advisor to McKinsey & Company, a role he also held from June 2019 until August 2021 before returning in April 2023. Mr. Sterin was most recently an Executive Vice President and the Chief Financial Officer of Andeavor & Andeavor Logistics from 2014 until the merger with Marathon Petroleum Company in October 2018.  He served as President of Andeavor Logistics from 2017 to October 2018 and was a member of the Board of Directors for Andeavor Logistics GP, LLC from 2014 to 2018.  Mr. Sterin was also responsible for Corporate Strategy & Business Development for both companies from 2016 to 2017.  From 2007 to 2014, Mr. Sterin was the Senior Vice President and Chief Financial Officer for Celanese Corporation, a global technology and specialty material company.  During his eleven years with Celanese, he served as Corporate Controller and Principal Accounting Officer as well as held other financial and business leadership roles.  Prior to his tenure at Celanese, Mr. Sterin spent six years with Reichhold, Inc., a global chemical company, in a variety of financial positions, including Director of Tax and Treasury in the Netherlands, Global Treasurer and Vice President of Finance.  Mr. Sterin’s career started with Price Waterhouse Coopers. Mr. Sterin holds a Master’s degree in Professional Accounting and a Bachelor’s degree in Business Administration and Accounting, which he earned concurrently at the University of Texas at Austin.  He is a Certified Public Accountant in Texas.