July 28, 2015

SunOpta Scheduled to Attend the 35th Annual Canaccord Genuity Growth Conference on August 13, 2015

TORONTO, July 28, 2015 (GLOBE NEWSWIRE) -- SunOpta Inc. ("SunOpta") (Nasdaq:STKL) (TSX:SOY), a leading global company focused on organic, non-genetically modified and specialty foods, announced today that Steve Bromley, Chief Executive Officer, and Rik Jacobs, President and Chief Operating Officer, will present at the 35th Annual Canaccord Genuity Growth Conference in Boston, MA on Thursday, August 13, 2015 at 8:30 a.m. ET.

The presentation will be available to interested parties via a live audio webcast. The webcast will be available via the "Investors" tab on SunOpta's website at http://investor.sunopta.com/events.cfm. A replay of the webcast will be archived online for 30 days.

About SunOpta Inc.

SunOpta Inc. is a leading global company focused on organic, non-genetically modified ("non-GMO") and specialty foods. The Company specializes in the sourcing, processing and packaging of organic and non-GMO food products, integrated from seed through packaged products; with a focus on strategic vertically integrated business models. The Company's organic and non-GMO food operations revolve around value-added grain, seed, fruit and vegetable based product offerings, supported by a global sourcing and supply infrastructure. The Company also holds an approximate 66% ownership position in Opta Minerals Inc. (TSX:OPM), a producer, distributor, and recycler of industrial minerals and silica-free abrasives. Opta Minerals is a non-core holding.

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

CONTACT: For more information, please contact:

         Rob Litt, Director Global Communications

         Tel: 952-893-7863

         Rob.litt@sunopta.com