GMS Results Presentation Deck

End Market & Product-Level Expectations for Q3 FY2024 Product Category Q3 FY24 YOY Volume Expectations Wallboard Ceilings Steel Framing Complementary Products GMS GYPSUM MANAGEMENT & SUPPLY, INC. Multi-family: Up mid-teens. Single-family: Down low single-digits Commercial: Up mid single-digits Total Wallboard: Up mid single-digits Up mid-to-high single-digits Up low single-digits Up low double-digits Down nearly 25% Total sales growth in Complementary Products, including the benefits of recent acquisitions, is expected to be up high single to low double-digits ● Georgia Parifie Georgia Porife PERFOND INTERIEUR INTERIC CEILING INTERIOR pred airTeed TERIOR CEILING POUR PAFOND INTERIEUR INTERIOR CEILING LOVE MLALONG WIT Certained Certained FOUR PLAFONO INTERIEUR Certainiiged INTERIOR CEILING Q3 FY24 YOY Price/Mix Expectations IL PLAYOND INTERIEUR CertainFood INTERIOR CEILING Flat to down slightly BELE 1/2 x 12 TE/BA 1/2 x 12 TE/BA 2/ 1/2" x 12 TE/BAIL 1/2 x 12 1/2" 12 1/2"x 12 a.. TE/BA TE/BA th TE/BA REAL.L./L 1/2 x 12 TE/BA/L 12' TE/BA 28/3/ MORE HOREAN VORSINI OSVOT ONE MORE MOBILNI OSV MORNIN 8

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