Haynesville Core Operations and ESG Overview

Deep Core Inventory Set Across Both Basins Total Company Inventory 2,050 core locations represent more than 15 years of development Appalachia Inventory Detail Other 1,115 Upper Marcellus 370 Utica 1805 ~4,800 total locations Lower Marcellus 1510 Upper Marcellus 210 6,350 total locations Haynesville Inventory Detail WV / Ohio Core Haynesville Core PA Other PA Core WV/Ohio Other Middle Bossier 740 Haynesville Other ~1,550 total locations Haynesville 810 Utica 280 Middle Bossier 430 swn Southwestern EnergyⓇ ~1,150 core locations -900 core locations Ample core inventory supplemented by additional resource opportunities Lower Marcellus 660 Haynesville 470 11

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