X0306 4 2021-11-22 0 0001689657 Berkeley Lights, Inc. BLI 0001256951 MERKADEAU STUART L C/O BERKELEY LIGHTS, INC. 5858 HORTON STREET, SUITE 320 EMERYVILLE CA 94608 0 1 0 0 General Counsel Common Stock 2021-11-22 4 F 0 162 23.72 D 159900 D Reflects the withholding of shares to satisfy the Reporting Person's tax withholding obligation in connection with the vesting of performance stock units previously described as restricted stock units in the Reporting Person's Form 3. The vesting of such performance stock units is subject to the achievement of certain performance milestones. Includes 414 shares purchased pursuant to the Berkeley Light, Inc. employee stock purchase plan. /s/ Stuart L. Merkadeau 2021-11-24