Berkeley Lights IPO Presentation Deck

Opto Cell Line Development workflow BERKELEY LIGHTS OPTO CELL LINE DEVELOPMENT WORKFLOW TRANSFECTION SELECTION CULTURE TYPICAL WELL PLATE BASED METHOD TRANSFECTION ITT SELECTION CULTURE Functional Test WORKFLOW EXPANSION CULTURE TOP 24 PICKING SCALE UP TATAT FACS MARE MONOCLONAL MASTER 888 EXPANSION 5 DAYS ASSAY IGI TOP 24 SCALE UP THAT MASTER BANK 888 5 High titer 5 Strong correlation to titer in bioreactor 5 Enable >99% monoclonality assurance, a quality metric important for regulatory approval, vs. 96% from limiting dilution, which takes ~4 weeks 8-12 WEEKS 27

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