13D Filing: Oaktree Capital Management and Sunopta Inc. (STKL)

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Amendment No. 4 to Schedule 13D

This Amendment No. 4 (Amendment No. 4) amends and supplements the Schedule 13D filed with the
Securities and Exchange Commission (the SEC) on October 17, 2016, as amended by Amendment No. 1 to the Schedule 13D filed on March 8, 2017, as further amended by Amendment No. 2 to the Schedule 13D filed on
May 10, 2017, and as further amended by Amendment No. 3 to Schedule 13D filed on May 17, 2017 (as amended, the Schedule 13D). Except as set forth herein, the Schedule 13D remains in full force and effect. Each
capitalized term used but not defined herein has the meaning ascribed to such term in the Schedule 13D.

Item 3.

Source and Amount of Funds or Other Consideration

Item 3 of the Schedule 13D is
hereby amended and supplemented to add the following:

The source of funds for the transactions described in Item 5(c) was the capital
contributions of the respective limited partners of the Oaktree Funds. No borrowed funds were used to purchase such Common Shares.

Item 5.

Interest in Securities of the Issuer

Items 5(a)-(b) of the Schedule 13D are hereby
amended and supplemented as follows:

(a) and (b)

Ownership percentages set forth in this Amendment No. 4 are based upon a total of 86,707,385 Common Shares of the Issuer issued and
outstanding, as reported in the Issuers Quarterly Report on Form 10-Q filed with the SEC on November 8, 2017, and assuming the conversion of Preferred Shares beneficially owned by each Reporting
Person, as applicable, into Common Shares.

Organics directly holds 16,226,934 Common Shares representing approximately 16.9% of the
issued and outstanding Common Shares (in each case, assuming the conversion of Preferred Shares held by it into 9,492,800 shares of Common Shares), and has the sole power to vote and dispose of such Common Shares.

OHIF II LP directly holds 3,199,098 Common Shares representing approximately 3.6% of the issued and outstanding Common Shares (in each case,
assuming the conversion of Preferred Shares held by it into 1,840,533 shares of Common Shares), and has the sole power to vote and dispose of such Common Shares.

Item 5(c) of the Original Schedule 13D is hereby amended and supplemented as follows:

(c)

Information concerning
transactions in the Common Shares effected by the Reporting Persons during the past sixty days is set forth in Annex A hereto and is incorporated herein by reference. The transactions in Common Shares listed herein were effected as trades
over the NASDAQ Global Select Market.

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