Gulf of Mexico Operational Insights

ENVIRONMENTAL, SOCIAL, AND GOVERNANCE 2021 Corporate Environmental, Social, and Governance Report W&T OFFSHORE Disclosure & Reporting Framework SASB (Sustainability Accounting Standards Board) TCFD (Task Force on Climate-related Financials Disclosures) SDG (Sustainable Development Goals) 1) Spill Ratio: Barrels spilled / millions of barrels produced Environmental Committed to protecting and preserving the environment • Robust program of policies and continuous training • Focused on best practices and strategies to reduce emissions • In 2022 consolidated two Mobile Bay treating facilities into one plant, reducing emissions Spill Ratio¹: W&T's ratio in 2022 was 0.057 compared to 1.83 GOM average in 2021 • • • . Social • Governance Focused on our organization and our communities Organization focused on open communication and trust to build a strong culture Continuous professional development of our workforce and safety performance 57% of our executive officers and board members are women or minorities Required diversity training throughout organization • Strong Board oversight responsible for strategy, governance and creating long-term value • Highest legal and ethical standards expected across entire organization • Focused on being a responsible corporate citizen with policies and procedures Employee and Executive Compensation tied to ESG performance metrics Note: Additional details on our 2021 ESG report and initiatives can be found on the W&T website: https://www.wtoffshore.com/corporate-responsibility 23 W&T OFFSHORE | NYSE:WTI W&T OFFSHORE

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