X0306 4 2022-02-28 0 0001703057 AbCellera Biologics Inc. ABCL 0001834418 Lecault Veronique C/O ABCELLERA BIOLOGICS INC. 2215 YUKON STREET VANCOUVER A1 BRITISH COLUMBIA, CANADA 1 1 0 0 Chief Operating Officer Common Shares 2022-02-28 4 P 0 230789 8.66 A 1570122 D Common Shares 7155008 I See Footnote Common Shares 273630 I See Footnote Common Shares 61580 I By spouse The price reported in Column 4 is a weighted average price. The shares were purchased at prices ranging from $8.48 to $8.80. The reporting person undertakes to provide the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote. 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. /s/ Tryn Stimart, attorney-in-fact 2022-03-01