Feb 21 (Reuters) - Sirtex Medical Ltd SRX.AX :
* HY REVENUE FROM ORDINARY ACTIVITIES DOWN 3.0 PERCENT TO $109.4 MILLION
* HY PROFIT FROM ORDINARY ACTIVITIES AFTER TAX ATTRIBUTABLE UP 13.2% TO $23.6 MILLION
* MAINTAINS PREVIOUS GUIDANCE OF REPORTED EBITDA BETWEEN $75-85 MILLION FOR THE FULL FINANCIAL YEAR