$BLDR Record Net Income, Adjusted EBITDA Margin and Free Cash Flow Core Organic Sales Growth of 16% Increases Full Year 2021 Adjusted EBITDA Outlook Net sales of $5.5 billion increased 62.7% Gross profit of $1.7 billion increased 102.9% Adjusted EBITDA increased 244.4% to $975.9 million Adjusted EBITDA