** Shares of ARN Media A1N.AX rise as much as 5.8% to A$0.365, their biggest intraday pct gain since Jan 22
** Shares hit the highest level since Feb 25
** Co takes 'The Kyle & Jackie O' show off-air after terminating service agreement with Henderson Media
** Henderson Media a vehicle through which Jacqueline Henderson presents the Kyle and Jackie O show
** Also provides written notice to co-host Kyle Sandilands, alleging breach of service agreement with Sandilands' Quasar Media
(Reporting by Nichiket Sunil in Bengaluru)
((Nichiket.Sunil@thomsonreuters.com))