X0306 4 2021-06-22 0 0001703057 AbCellera Biologics Inc. ABCL 0001352908 Hayden Michael R C/O ABCELLERA BIOLOGICS INC. 2215 YUKON STREET VANCOUVER A1 V5Y 0A1 BRITISH COLUMBIA, CANADA 1 0 0 0 Common Shares 2021-06-22 4 S 0 100000 25.50 D 1003397 I See footnote Common Shares 118245 I By spouse On June 22, 2021, the shares were sold in connection with a private sale transaction at a per share price of $25.50. These shares are held by Genworks 2 Consulting, Inc. ("Genworks 2"). The Reporting Person's spouse has sole voting and investment power with respect to the shares held by Genworks 2. The Reporting Person disclaims beneficial ownership of such securities, except to the extent of his indirect pecuniary interest, if any, therein. /s/ Tryn Stimart, attorney-in-fact 2021-06-22