Haynesville Core Operations and ESG Overview

Our Strategy Resilient free cash flow generation through responsible development of our core positions in the two premier U.S. natural gas basins $ swn Southwestern Energy® CREATE SUSTAINABLE VALUE Enhance corporate and shareholder economic returns Deliver sustainable free cash flow Deepen and upgrade the quality and capital efficiency of asset base and inventory Convert resources to reserves PROTECT FINANCIAL STRENGTH Target sustainable leverage of 1.5x - 1.0x and total debt of $3.5 billion - $3.0 billion Hedge to protect capital investments, cover costs and meet other financial commitments Lower debt, extend debt maturity, expand liquidity Improve financial profile to achieve investment grade PROGRESS LEADING EXECUTION CAPTURE TANGIBLE BENEFITS OF SCALE • • Further enhance well performance, optimize well costs and reduce base decline Marketing and transportation optimization to grow margins and maintain flow assurance Build on data analytics, emerging technology, strategic sourcing, stringent cost management, operate with HSE / ESG as core values Vertical integration and large-scale asset development expertise Building a competitive advantage through scale Demonstrated ability for large-scale asset integration Continue to capture synergies, deepen economic inventory, improve cost efficiencies through the cycle, leverage strength of marketing and transportation capabilities, expand opportunity set, lower enterprise risk, and increase the optionality of the business 5

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