X0306 4 2020-12-10 0 0001689657 Berkeley Lights, Inc. BLI 0001256946 KHANDROS IGOR Y 5858 HORTON STREET, SUITE 320 EMERYVILLE CA 94608 1 0 1 0 Common Stock 2020-12-10 4 S 0 159692 82.56 D 10211628 I By Khandros-Bloch Revocable Trust U/A/D 1/24/1997 As trustee of the Khandros-Bloch Revocable Trust U/A/D 1/24/1997 ("Revocable Trust"), Dr. Khandros may be deemed to beneficially own the shares held by the Revocable Trust. Dr. Khandros disclaims beneficial ownership of the shares held by the Revocable Trust except to the extent of his pecuniary interest therein. /s/ Stuart L. Merkadeau, Attorney-in-fact for Igor Khandros 2020-12-18