Investor Presentation

Our Most Recent Acquisition Polymem SA July 1, 2021 jil PROGR TIT wi Surine Say Showe 2020 % Revenue by Geography Core technology and innovation in hollow fiber membrane and modules (ultra/microfiltration) Immediately increases HF membrane capacity by 3x Creates two customer focus areas within Polymem Industrial and Municipal (Polymem Sales Force) Bioprocessing (Repligen Sales Force) 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% Compliments our TFF Systems offerings KrosFlo® HF TFF Systems, ProConnex® Fluid Management, 100% consumables ● 28% 70% Europe US ■ ROW 22% R REPLIGEN INSPIRING ADVANCES IN BIOPROCESSING 78% *excludes any sales to Repligen Castanet-Tolosan, France polymem MEMBRANE MANUFACTURER 2021 Revenue est. ~$7M* Life Sciences/Hospital OEM Industrial/Municipal 0

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