(Removes reference to final dividend after company corrects chief executive's statement)
LONDON, Aug 27 (Reuters) - Arriva PLC : * Adj group revenue up 10 per cent to 1,640 million stg * ADJ operating profit increased four per cent to 88.7 million stg * Interim dividend up five per cent to 6.46 pence * Confident the group will continue to demonstrate its combination of resilience and growth potential