Form DEFA14A SunOpta Inc.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of

the Securities Exchange Act of 1934 (Amendment No.  )

Filed by the Registrant  [x]

Filed by a party other than the Registrant [  ]

Check the appropriate box:

[  ] Preliminary Proxy Statement

[  ] Confidential, for use of the Commission Only (as permitted by Rule 14a-6(e)(2))

[  ] Definitive Proxy Statement

[x] Definitive Additional Materials

[  ] Soliciting Material Pursuant to §240.14a-12

SunOpta Inc.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

Payment of Filing Fee (Check the appropriate box):

[x] No fee required.

[  ] Fee paid previously with preliminary materials.

[  ] Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11.

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