Haynesville Core Operations and ESG Overview

Optimizing Access to Premium Gulf Coast Markets SWN Gulf Coast Transportation Portfolio (1) LNG Corridor LEAP (2) 2023E 2024E 1.2 Bcf/d 1.5 Bcf/d Line CP- Momentum NG3 0.3 Bcf/d Acadian 0.2 Bcf/d 0.2 Bcf/d Midcoast Midcoast 0.2 Bcf/d 0.1 Bcf/d LEAP Other (3) LNG Corridor 0.2 Bcf/d 0.2 Bcf/d ~1.8 Bcf/d -2.3 Bcf/d FGT Z1, Tetco STX Greater Gulf Coast 2023E 2024E LNG Corridor Gulf South 0.3 Bcf/d 0.3 Bcf/d ETC Tiger 0.3 Bcf/d 0.3 Bcf/d Enable CP 0.3 Bcf/d 0.3 Bcf/d Freeport LNG Rover 0.3 Bcf/d 0.3 Bcf/d Corpus Christi LNG MXP/GXP 0.2 Bcf/d 0.2 Bcf/d Greater Gulf Coast ~1.4 Bcf/d ~1.4 Bcf/d Total ~3.2 Bcf/d ~3.7 Bcf/d Perryville swn Southwestern EnergyⓇ Tiger, Gulf South Acadian Momentum NG3 Gillis Hub FGT Z2, Transco 65 Cameron LNG Calcasieu Pass LNG Golden Pass LNG Sabine Pass LNG Plaquemines LNG Fast LNG LNG facility, operational or under construction Market sales location SWN current firm transportation capacity SWN future firm transportation capacity Strategic connectivity and flow assurance from wellhead to inlet of LNG plants and industrial markets along the Gulf Coast 1) Company will optimize future transportation and may not elect to extend all transport. 2) LEAP capacity increases to 1.15 Bcf/d in mid 2023. 3) Columbia Gulf Delivered and TGP 500L 18

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