X0306 4 2021-06-15 0 0001703057 AbCellera Biologics Inc. ABCL 0001834418 Lecault Veronique C/O ABCELLERA BIOLOGICS INC. 2215 YUKON STREET VANCOUVER A1 V5Y 0A1 BRITISH COLUMBIA, CANADA 1 1 0 0 Chief Operating Officer Common Shares 2021-06-15 4 M 0 333333 0.19 A 1339333 D Common Shares 7155008 I See Footnote Common Shares 273630 I See Footnote Common Shares 61580 I By spouse Share Option (right to buy) 0.19 2021-06-15 4 M 0 333333 0.00 D 2027-03-23 Common Shares 333333 666667 D Per share exercise price has been converted from CAD to USD based on the grant date exchange ratio of CAD $1.333:USD $1.00 for March 23, 2017 as set forth on Bloomberg. These shares are held by Pacific Swell Capital Corp ("Pacific Swell"). The Reporting Person is a director of Pacific Swell and shares voting and dispositive power with respect to the shares held by Pacific Swell. The Reporting Person disclaims beneficial ownership of such securities, except to the extent of her indirect pecuniary interest therein. These shares are held by Slomo Family Trust. The Reporting Person is a co-trustee of the Slomo Family Trust. The Reporting Person disclaims beneficial ownership of such securities, except to the extent of her indirect pecuniary interest therein. The shares subject to such option vest and become exercisable annually in substantially equal installments over a three-year period, with the first tranche vested on November 8, 2020, subject to the Reporting Person's continuous service to the Issuer on each such date. Expiration date corrected from the date listed on the Form 3 filed on December 11, 2020. /s/ Tryn Stimart, attorney-in-fact 2021-06-16