The UK bread business, which is headquartered in Hull, buys all its raw materials in the UK, so should also not be affected by the currency volatility, he added. Although underlying profits grew in 2015, Chaucer slipped into the red after being hit with $4m of one-off costs related to air freight charges. An import alert restricting imports to the US from China coincided with a scheduled relaunch for Kellogg's Special K and Chaucer was forced to fly freeze-dried strawberries around the world to meet the cereal giant's deadline.