Hydrofarm IPO Presentation Deck

We are optimizing our proprietary product sourcing through diversification of our supplier base Our lighting products are sourced globally from premier suppliers Reflector Hydrofarm patented European hammertone specular aluminum Armature Phantom branded integrated mounting Lamp socket European vossloh-schwabe socket 80%+ Proprietary share of the lighting category 27 parts Electronic ballast Patented ignition control high-precision microprocessor Double end lamp European sourced and manufactured arc-tube materials HYDROFARM Source: Company information and internal RF shielding made with high-grade components from Japan, U.S. and Europe 4 vendors Shifting lighting supply to further diversify our geographic split North America Asia Europe Current 7% 70% 23% CONFIDENTIAL Future 7% 26% 67% 32

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