The owner of discount clothing chain Primark, Associated British Foods Plc, on Tuesday posted a 21 per cent year-on-year rise in operating profit to £87 million.

It added sales at the 116-strong Primark store chain jumped 15 per cent from the year-ago period to £752 million thanks to an aggressive expansion drive while same-store sales rose seven per cent in the 12 months to September 13.