Hydrofarm IPO Presentation Deck

History of consistent top-line growth with strong acceleration in the last 4 quarters Net sales Quarterly net sales $30mm 2005 $163mm 2010 17% CAGR $225mm 2015 Following a decade of +15% CAGR, the U.S. market experienced a reset in 2018 driven by regulatory challenges in California which we believe to be an anomaly $235mm $212mm 2018 2019 $309mm LTM September 2020 Source: Company information HYDROFARM Note: Net sales in Q4 2019 demonstrate natural seasonality in the business +27% $60mm Q3 2019 +30% $54mm Q4 2019 ¹ YOY growth +19% $67mm Q1 2020 +41% $91mm Q2 2020 CONFIDENTIAL +60% $97mm Q3 2020 24

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