** Shares of Australia's GTN GTN.AX rise as much as 14.5%
to A$0.435, post biggest intraday pct gain since July 28
** Media advertising co expects HY adjusted EBITDA in the
range of A$11.8 mln-A$12 mln ($8.25 mln-$8.39 mln), compared
with A$10.2 mln reported a year earlier
** CO sees HY revenue of A$90 mln, compared with A$81.0 mln
last year
** GTN stock hits highest level since Oct. 27
** In 2022, stock tumbled 20.8% to mark its worst year in
four years
($1 = 1.4306 Australian dollars)
(Reporting by Navya Mittal in Bengaluru)
((navya.mittal@thomsonreuters.com))