ABOUT KOSMOS ENERGY Kosmos Energy is a pathfinding oil and gas exploration and production company focused on frontier and emerging areas along the Atlantic Margin. Our assets include existing production and development projects offshore Ghana, large discoveries offshore Mauritania and Senegal, as well as exploration licenses with significant hydrocarbon potential offshore São Tomé and Príncipe, Suriname, Morocco, and Western Sahara. As an ethical and transparent company, Kosmos is committed to doing things the right way. Our Business Principles articulate the company’s commitment to transparency, ethics, human rights, safety, and the environment. Kosmos is listed on the New York Stock Exchange and is traded under the ticker symbol KOS. For additional information, visit www.kosmosenergy.com. ABOUT THIS REPORT Our 2016 report, “Focused on the Future,” explains how corporate responsibility is a fundamental part of Kosmos Energy’s day-to-day business, and how we are making a positive difference in our host countries. The report reviews the application of our Business Principles and supporting policies across each stage of the upstream project lifecycle. We include information in the report based on internal discussions, external stakeholder feedback, and consultations with third-party experts. The report is designed to communicate our progress on the Ten Principles of the United Nations Global Compact, which we support and endorse. In addition, this report is guided by the International Petroleum Industry Environmental Conservation Association (IPIECA) standards for voluntary reporting in the oil and gas sector and by the Global Reporting Initiative (GRI). For an index of where information related to the Ten Principles and IPIECA reporting standards is located, please see page 54. This report has not received external assurance from an independent reviewer. We appreciate your interest in our company and welcome your feedback on how we can improve our reporting. Please contact us at CorporateResponsibility@ kosmosenergy.com. 2  Letter to Stakeholders 6 Oil and Gas Lifecycle 6 Financial Highlights 7  Business Principles in Action - Responsibilities to Stakeholders - Ethical Conduct - Our Workplaces - Kosmos and the Environment - Kosmos in Society - Commercial Responsibilities 16  Connecting Dallas to the World Through Art 18  Developing STEM Education in Dallas 20  Ghana 26  Special Feature: Kosmos Innovation Center 30  Mauritania 34  Senegal 38  Tortue Gas Project 42 Suriname 45  Special Feature: Creating a Safety Culture in Technical Schools 46  São Tomé and Príncipe 48  Morocco 50  Western Sahara 53  Special Feature: Preserving the Environment in Our Own Backyard 54 IPIECA/API/IOGP Content Index 57  2016 Performance Data On the Cover: (L) A Kosmos Energy employee in Mauritania discusses upcoming operations with a fisherman on the beach in Ndiago, Mauritania. (R) Two local entrepreneurs learn firsthand about challenges in the agricultural industry during a Kosmos Innovation Center market research tour of farms in Ghana.