SunOpta Inc. Schedules Second Quarter 2012 Financial Results Release and Conference Call

July 12, 2012

TORONTO, July 12, 2012 (GLOBE NEWSWIRE) -- SunOpta Inc. ("SunOpta" or the "Company") (Nasdaq:STKL) (TSX:SOY) announced today that it will issue its financial results for the second quarter on August 9, 2012.

The Company plans to host a conference call at 10:00 AM Eastern Time on Friday, August 10, 2012 to discuss the second quarter financial results and recent corporate developments. After opening remarks, there will be a question and answer period. This conference call can be accessed via a link at the Company's website at www.sunopta.com. To listen to the live call over the Internet, please go to the Company's website at least 15 minutes early to register, download and install any necessary audio software. Additionally, the call may be accessed with the toll free dial-in number 1 (877) 312-9198 or International dial-in number (631) 291-4622. If you are unable to listen live, the conference call will be archived and can be accessed for approximately 90 days at the Company's website.  A replay number can also be accessed between August 10th and 17th with the toll free dial-in number 1 (855) 859-2056 or (404) 537-3406 followed by pass code: 90040467#.

About SunOpta Inc.

SunOpta Inc. is a leading global company focused on natural, organic and specialty foods products. The company specializes in sourcing, processing and packaging of natural and organic food products, integrated from seed through packaged products; with a focus on strategically vertically integrated business models. The Company's core natural and organic food operations focus on value-added grains, fiber and fruit based product offerings, supported by a global infrastructure. The company has two non-core holdings, a 66.2% ownership position in Opta Minerals Inc., listed on the Toronto Stock Exchange, a producer, distributor, and recycler of environmentally friendly industrial materials; and a minority ownership position in Mascoma Corporation, an innovative biofuels company.

The SunOpta Inc. logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=3958

CONTACT: SunOpta Inc.

         Steve Bromley, President & CEO

         Rob McKeracher, Vice President and CFO

         John Dietrich, Vice President, Corporate Development

         Susan Wiekenkamp, Information Officer

         Tel: 905-455-2528, ext 103

         susan.wiekenkamp@sunopta.com

         Website: www.sunopta.com