Complex sentence: In December 2008 Premier Foods announced that it would discontinue jam in the UK under the Robertson brand in 2009, in order to focus on Robertson's Golden Shred Marmalade and its more successful Hartley's jam brand.
Split into simpler sentences: In December 2008 Premier Foods announced that it would discontinue jam in the UK under the Robertson brand in 2009. This would allow it to focus marketing on Robertson's Golden Shred Marmalade, and its more successful Hartley's jam brand.