Hess Midstream LP published the 2023 Hess Midstream Sustainability Report in December 2024 as part of our commitment to transparency about environmental, social and governance plans and performance. Leading sustainability reporting frameworks were used to develop the report, including the Energy Infrastructure Council (EIC) and GPA Midstream Association Environment, Social and Governance (ESG) Reporting Template, the Sustainability Accounting Standards Board standard for oil and gas – midstream, the Taskforce for Climate-Related Financial Disclosures and the Global Reporting Initiative (GRI) Standards.