Trex Company, Inc. Pitch Deck

RESIDENTIAL MARKET OPPORTUNITY Growing desire for unique outdoor living spaces Alternative materials to wood decking are projected to experience above average annual gains in demand (1) Core market size: $8 billion (1) and growing Cumulative Trex Residential Net Sales (2) and Remodeling Activity (3) Growth 140% Outdoor living remains a leading home improvement market segment Increasing conversion from wood to composites Residential cumulative sales growth 120% Exterior property improvements capture 38% of home improvement spending and is the fastest growing segment 100% 80% 1% ~$80M 60% market share gain from wood = annual composite 40% sales Significantly outpaced gains in remodeling activity (1) Market date includes decking and railing volume, per Principia report on wood and competitive decking Residential adjusted sales 23 (2) (3) Joint Center for Housing Studies (US Residential) 20% 0% 2016 2017 2018 Trex Residential Net Sales Trex Trex Residential CAGR +20% Remodeling CAGR +5% 2019 2020 Remodeling Activity 2021 9

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