** Shares of Austco Healthcare AHC.AX rise as much as 8% to A$0.270, their highest levels since June 11, 2015
** The healthcare co says it expects 1HFY25 EBITDA to be between A$4.5 mln ($2.85 mln) and A$5.1 mln, compared with A$2.1 mln in 1HFY24
** Co expects 1HFY25 revenue of A$35.8 mln to A$36.9 mln, versus 1HFY24 rev of A$22.8 mln
** Stock posts its biggest intraday pct fall since Sept 18
** AHC stock has gained 30.3%, YTD
($1 = 1.5788 Australian dollars)
(Reporting by Adwitiya Srivastava in Bengaluru)
((Adwitiya.Srivastava@thomsonreuters.com;))