April 29 (Reuters) - Janus Henderson Group PLC JHG.N :
* APPROVED A 6% INCREASE IN QUARTERLY CASH DIVIDEND TO US$0.38 PER SHARE
* Q1 AUM OF US$405.1 BILLION, INCREASED 1% COMPARED TO PRIOR QUARTER
* Q1 ADJUSTED DILUTED EARNINGS PER SHARE OF US$0.91 VERSUS US$0.60
* Q1 OPERATING INCOME US$192.5 MILLION VERSUS LOSS OF US$332.4 MILLION
* Q1 ADJUSTED REVENUE OF US$516.6 MILLION