Hess Midstream LP published the 2024 Hess Midstream Sustainability Report in July 2025 as part of our commitment to transparency about sustainability 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.