X0306 4 2021-06-09 0 0001703057 AbCellera Biologics Inc. ABCL 0001834449 Thermopylae Holdings Ltd. C/O ABCELLERA BIOLOGICS INC. 2215 YUKON STREET VANCOUVER A1 V5Y 0A1 BRITISH COLUMBIA, CANADA 0 0 1 0 Common Shares 2021-06-09 4 S 0 5598420 24.03 D 55604330 D On June 9, 2021, the shares were sold in connection with a private sale transaction at a per share price of $24.03. /s/ Carl Hansen, Director, on behalf of Thermopylae Holdings Ltd 2021-06-10