Gilster-Mary Lee Corporation, a leading private label food manufacturer, today announced it has signed a definitive agreement for the sale of its Centralia facility to Pinnacle Foods Incorporated, the owner of the Duncan Hines Cake Mixes and Frostings Brand.  The sale includes the building infrastructure, equipment and related assets.  The Centralia facility exclusively manufactured Duncan Hines cake mixes and frostings for more than 15 years under a third party manufacturing agreement.  Pinnacle Foods intends to retain the more than 200 jobs at the facility.  Gilster-Mary Lee Corporation will continue to manufacture select Duncan Hines products at its Steelville, Illinois location.  The transaction is expected to close early in the second quarter of 2014.