SunOpta Signs New Soymilk Contract with Vitasoy USA Inc. SunOpta Signs New Soymilk Contract with Vitasoy USA Inc. TORONTO--(BUSINESS WIRE)--July 6, 2004--SunOpta Inc. (SunOpta or the Company) (Nasdaq:STKL) (TSX:SOY) today announced that it has entered into an agreement with Vitasoy USA Inc. ("Vitasoy") to supply Vitasoy's soymilk concentrate requirements and package Vitasoy's shelf stable soymilk for the North American Market. This contract will utilize all facets of SunOpta's vertically integrated soymilk model from the sourcing of organic beans through processing and finally packaging.