Platinum Asset Management first-half profit fell 33.7 per cent to $59.97 million and revenue decreased 22.8 per cent to $128.7 million. An interim dividend of 10¢ a share, fully franked, will be paid March 18, down from 12¢.

Average funds under management for the interim period was $22.5 billion, up 1 per cent. Negative investment returns of $0.5 billion and outflows of $0.9 billion were recorded during the December half.