X0306 4 2020-12-10 0 0001689657 Berkeley Lights, Inc. BLI 0001339189 WIIG Communications Management LLC ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO CA 94111 0 0 1 0 0001008463 TAN LIP BU C/O WIIG COMMUNICATIONS MANAGEMENT ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO CA 94111 0 0 1 0 0001616012 WRV-BLI LLC ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO CA 94111 0 0 1 0 0001641650 WRV-BLI II LLC ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO CA 94111 0 0 1 0 0001687537 WRV-BLI III LLC ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO CA 94111 0 0 1 0 0001817981 WRV-BLI IV LLC ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO CA 94111 0 0 1 0 0001720734 Walden Riverwood GP, LLC ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO CA 94111 0 0 1 0 0001582026 Walden Riverwood Ventures, L.P. ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO CA 94111 0 0 1 0 0001720730 WRV GP II, LLC ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO CA 94111 0 0 1 0 0001640661 WRV II, L.P. ONE CALIFORNIA STREET, SUITE 1750 SAN FRANCISCO CA 94111 0 0 1 0 Common Stock 2020-12-10 4 S 0 183018 82.56 D 12276309 I See footnotes Following the transactions reported herein, consist of 839,782 shares held by WRV II, L.P. ("WRV II"), 2,860,225 shares held by Walden Riverwood Ventures, L.P. ("Walden"), 5,459,969 shares held by WRV-BLI LLC ("BLI"), 1,760,067 shares held by WRV-BLI II LLC ("BLI II"), 867,473 shares held by WRV-BLI III LLC ("BLI III"), and 488,793 shares held by WRV-BLI IV LLC ("BLI IV"). Mr. Lip-Bu Tan is the sole director of WIIG Communications Management LLC ("WIIG") which is the manager of BLI, BLI II, BLI III, and BLI IV. Michael Marks and Mr. Tan are members of the investment committee of Walden Riverwood GP, LLC ("Walden GP"), which is the general partner of Walden. Michael Marks, Nicholas Brathwaite, and Lip-Bu Tan are members of the investment committee of WRV GP II, LLC ("WRV GP") which is the general partner of WRV II. Messers. Tan, Brathwaite, and Marks, WRV GP, Walden GP, and WIIG disclaim beneficial ownership of the shares except to the extent of their pecuniary interest therein. Lip-Bu Tan, /s/ Lip-Bu Tan 2020-12-18 WIIG Communications Management LLC, By: /s/ Lip-Bu Tan, Director 2020-12-18 WRV-BLI LLC, By: WIIG Communications Management LLC, its manager, By: /s/ Lip-Bu Tan, Director 2020-12-18 WRV-BLI II LLC, By: WIIG Communications Management LLC, its manager, By: /s/ Lip-Bu Tan, Director 2020-12-18 WRV-BLI III LLC, By: WIIG Communications Management LLC, its manager, By: /s/ Lip-Bu Tan, Director 2020-12-18 WRV-BLI IV LLC, By: WIIG Communications Management LLC, its manager, By: /s/ Lip-Bu Tan, Director 2020-12-18 Walden Riverwood GP, LLC, By: /s/ Stuart Merkadeau, by Power of Attorney for Michael Marks, Director 2020-12-18 WRV GP II, LLC, By: /s/ Stuart Merkadeau, by Power of Attorney for Michael Marks, Managing Director 2020-12-18 WRV II, L.P., By: WRV GP II, LLC, its general partner, By: /s/ Stuart Merkadeau, by Power of Attorney for Michael Marks, Managing Director 2020-12-18