X0306 4 2022-05-19 0 0000351834 SunOpta Inc. STKL 0001788867 Largey David 7078 SHADY OAK ROAD EDEN PRAIRIE MN 55344 0 1 0 0 Chief Quality Officer Common Shares 2022-05-19 4 M 0 6788 4.73 A 78143 D Common Shares 2022-05-19 4 S 0 6788 7.1352 D 71355 D Stock Option (Right to Buy) 4.73 2022-05-19 4 M 0 6788 0.00 D Common Shares 6788 13576 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.08 to $7.24, inclusive. The reporting person undertakes to provide to SunOpta Inc., any security holder of SunOpta Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4. The Stock Options vest in three equal annual installments beginning on July 10, 2021, subject to the continued employment of the reporting person through each such vesting date. The options expire 10 years from the award date, subject to continued employment through each such vesting date. /s/ Jill Barnett, attorney-in-fact 2022-05-23