Investor Presentaiton

NET SALES AND ADJUSTED EBITDA BY SEGMENT ($ in millions) Net Sales Siding OSB LPSA Other Unallocated Adjusted EBITDA Siding OSB LPSA Other Intersegment PAGE 60 SA SA SA Quarter Ended December 31, 2023 2022 332 $ 272 52 658 Year Ended December 31, 2023 2022 386 $ 257 51 12 1,328 $ 1,026 205 22 1,469 2,062 241 84 (2) 705 $ 2,581 $ 3,854 72 59 11 SA 88 269 339 13 220 1,034 12 42 77 (2) (4) (17) (23) (10) (9) (36) (38) 129 $ 100 478 $ 1,389 LP BUILDING SOLUTIONS

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