** ANZ Group ANZ.AX falls as much as 2.5% to A$28.480, lowest since April 24

** The "Big Four" member trades ex-dividend; to pay 83 Au cents per share

** Financials sub-index .AXFJ gains 0.3%

** YTD, ANZ rises 0.6%

(Reporting by Nichiket Sunil in Bengaluru)

((Nichiket.Sunil@thomsonreuters.com;))