X0306 4 2019-02-28 0 0000351834 SunOpta Inc. STKL 0001664397 Barnett Jill SUNOPTA INC., 7301 OHMS LANE EDINA MN 55439 0 1 0 0 VP, General Counsel, Secretary Common Shares 2019-02-28 4 P 0 9250 2.6759 A 22349 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $2.6684 to $2.6784, 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. Includes 1358 shares acquired under the STKL stock purchase plan in December 2018, and 972 shares acquired under the STKL stock purchase plan in September 2018, and 929 shares acquired under the STKL stock purchase plan in June 2018. /s/ Jill Barnett 2019-03-04