Haynesville Core Operations and ESG Overview

Durable Financial Strength swn Southwestern EnergyⓇ Key Financial Objectives • Reduce debt to target range of $3.5 - $3.0 billion; maintain 1.5x - 1.0x leverage Approaching Investment Grade Ratings Agency Current Rating Outlook Notches to IG Ratings Date S&P BB+ Positive 1 Jan '23 Moody's Ba1 Stable 1 May '22 Fitch BB+ Positive 1 Aug '22 Supplement financial strength through disciplined enterprise risk management • Return to investment grade One notch from investment grade by all three rating agencies; positive outlooks by S&P and Fitch Maturity Profile Provides for Efficient Debt Reduction (1) $2,000 Unsecured Debt First Call Date Oct '24 Sep '23 Feb '24 Mar '25 Feb '27 $ in Millions $1,500 ■Secured Credit Facility ■Unsecured $1,000 Aligns with $3.05B long-term debt target $1,200 $1,150 $500 $389 4.95% $700 5.375% $304 $210 5.375% 8.375% 4.75% $0 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 Maturity profile provides efficient path to reduce debt and return to investment grade Note: Leverage is a non-GAAP measure. See explanation and reconciliation in the Appendix. 1) As of March 31, 2023. 8

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