Investor Presentation

NAPP Division Overview NAPP Division Operating Locations Pittsburgh 70 miles NW of Somerset Keyser Acosta SOMERSET • ⑆CORSA RS, TSX-V: CSO | OTCQX: CRSXF Producer-Purchaser Model Corsa reported 2023 sales of 1.082 million tons Surface Shade Creek * Horning Cambria Horning DM Wilson Creek Plant Baltimore 180 miles SE of Somerset PENNSYLVANIA MARYLAND North Mine Casselman Corsa Properties Preparation Plants 0 Miles 9 Source: Company filings. • Purchased Company Mine (Produced) Acosta Casselman Purchased Infrastructure Up to 4 million clean tons per year of processing plant capability Three preparation plants with refuse disposal sites and rail loadouts • Cambria Preparation Plant (CSX) Shade Creek Preparation Plant (NS) (Plant currently idle) Rockwood Preparation Plant (CSX) (Plant currently idle) 4

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