** Shares of New Zealand's Radius Residential Care RAD.NZ rise 9.3% to NZ$0.235, posting their biggest intraday percentage gain since February 24

** Elderly care service provider says it likely recorded a full-year underlying EBITDA in the range of NZ$23.3 million ($12.8 million) to NZ$23.7 million, up from NZ$20.9 million last year

** RAD expects to announce a final dividend in May

** Stock up 11.9% YTD, including the day's move

($1 = 1.8188 New Zealand dollars)

(Reporting by Aaditya Govind Rao in Bengaluru)

((Aaditya.govindrao@thomsonreuters.com;))