Complex sentence: By 2011, Premier Foods, the then owner of Fray Bentos, was manufacturing the pies at a factory in Long Sutton, Lincolnshire in England; when Baxters purchased the brand it announced that production would transfer to its site at Fochabers in Scotland.
Split into simpler sentences: By 2011, Premier Foods, the then owner of Fray Bentos, was manufacturing the pies at a factory in Long Sutton, Lincolnshire in England. When Baxters purchased the brand it announced that production would transfer to its site at Fochabers in Scotland.