MELBOURNE, Australia--(BUSINESS WIRE)--Biota Holdings Limited (ASX:BTA) advises that it has received written notification from GlaxoSmithKline that Relenza sales were $14.1 million and indicative royalties were $1.0 million, for the three months ended 31 March 2011. The figures were calculated on an Australian dollar exchange rate of 1.5576 to the UK pound, although the actual payment will be calculated on exchange rates at 30 April 2011.