b'INTRODUCTIONConsistent with the Kosmos Energy BusinessIMPLEMENTATION,1 SAFETY, HEALTHPOLICY AND Principles and HSE Policy, and in line withMONITORING,LEADERSHIP 2Kosmos One Team One Goal philosophy, THE10 AND SECURITYAND CONTINUAL IMPROVEMENTSTANDARD establishes the expectations forF E T YEmanaging Health, Safety and EnvironmentalS A N V(HSE) risks throughout the Company. These9I R 3OT H NLEGAL ANDOTHERL M RISK AND CHANGE expectations are endorsed by the KosmosREQUIREMENTS A E MANAGEMENTE NH TSenior Leadership Team as an integral part of achieving excellent business performance. TheseTH E STA N DA R Dexpectations establish a standard of behaviors, practices, and management systems designed8 4P DSTAKEHOLDERE E INCIDENT REPORTING AND to complement the Kosmos business model andRELATIONS R F N INVESTIGATIONO F Iculture. THE STANDARD aligns with recognizedR M D EA N C Eindustry practices and applicable regulatory requirements. 7 CLIMATE 5CRISIS THE STANDARD consists of 10 Elements,TRAINING 6 PREPAREDNESSCHANGE ANDENVIRONMENTAL each containing specific management systemPROTECTIONexpectations with corresponding key performance measures that define how Kosmos intends to manage HSE risks at the Corporate, Business Unit, Operational, and Project levels.2THE STANDARD | October 2025, Revision 7'