Asset and Organic Growth Investments

2020 Sustainability Report: GRI and SASB Disclosures E-Train's ESG standards and practices for ethical, responsible and sustainable operations Safety ETRN's safety education and training program totaled over 7,500 hours of employee education/training in 2019 Safety policies and metrics apply to employees and contractors Proactively identifying "incidents with serious potential" allows ETRN to enhance safety practices to reduce the possibility of future injuries/incidents Environmental ETRN strives to exceed compliance requirements by actively applying related best practices to reduce our carbon footprint Member of the INGAA Methane Commitment, API Environmental Partnership, and ONE Future coalition Effectively manage our energy use by enacting efficiency measures across our owned and leased assets Excellence nmental Safety Leadership Safety Corporate Governance Economic Impact € Stewardship Stakeholder Engagement Transparency Collaboration Integrity Governance ETRN's board is comprised of 89% independent directors Four directors are female Four standing committees ensure best practices and decision-making All ETRN directors have prior experience on the boards of other companies Social Our operations support significant economic benefits through jobs, tax revenue generation and direct/indirect spending Donations through the Equitrans Midstream Foundation and corporate local giving program to support local communities and non-profit groups Employee volunteer program to encourage and support community engagement activities Source: Equitrans Midstream 2020 Corporate Sustainability Report. 17

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