** Shares of ARN Media A1N.AX falls 11.5% to A$0.48, heading for their worst day since early October 2023

** Entertainment company fell as much as 17.1% earlier in the day to hit its lowest level since August 27, 2025

** Co sees full-year EBITDA to be ~25%-27% below prior year

** Sees revenue for 2H25 to decline by low double digits vs last year

** Says broader economic uncertainty and cautious client sentiment weighing on advertising spend across industry

** Stock down ~34% this year, including the day's move

(Reporting by John Biju in Bengaluru)

((John.Biju@thomsonreuters.com))