Q3 2022 Earnings Presentation

$ millions 1 Demonstrated History of Converting Backlog to Revenue Backlog by End Market 36% $697m September'22 64% ■ Multi Family / Residential Related ■Commercial Backlog primarily consist of residential related projects which were less impacted by COVID-19 Solid single family residential growth trajectory not fully captured in backlog given shorter term "spot" duration of projects Backlog at $697 mm; up 21% YoY; representing ~1.9x LTM multi family and commercial revenues U.S. backlog of $666 mm, representing 96% of total backlog, led by strong activity in the Southeast U.S., the region with our deepest presence. Florida represents 79% of US Backlog Historically, 62.6% of Revenue in the backlog rolls off within 12 months and 94.3% of the backlog rolls off within 18 months Virtually no project cancellations historically given late-stage installation of windows during construction process Backlog to Revenue Conversion 108% 106% 104% 98% 95% 96% 92% 93% 90% 87% 86% 88% 88% 89% 69% 73% 72% 71% 66% 60% 61% 58% 56% 59% 60% 501 506 515 518 525 532 542 546 550 497 536 66% 58% 63% 55% 57% 576 585 545 552 559 Q1 '18 Q2'18 Q3 '18 Q4 '18 Q1 '19 Q2'19 Q3 '19 Q4 '19 Q1'20 Q2 '20 Q3 '20 Q4'20 Note: Excludes Single-family Residential Total Backlog Revenue Next 12M as % of Backlog Revenue Next 18M as % of Backlog Q1'21 Q2'21 Q3'21 Q4'21

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