July 2 (Reuters) - SpeedCast International Ltd SDA.AX :
* EXPECTS UNDERLYING EBITDA FOR 1H 2019 OF APPROXIMATELY US$60 TO US$64 MILLION
* REVISED ITS EXPECTATION FOR UNDERLYING EBITDA FOR FULL YEAR 2019 TO ABOUT US$140 MILLION - US$150 MILLION
* CONTINUED TECHNICAL DIFFICULTIES CAUSING FURTHER DELAYS IN RAMP UP OF CARNIVAL CONTRACT
* RE-ORGANISATION INITIATIVE EXPECTED TO DELIVER US$5 - US$10 MILLION BENEFITS IN 2H AND US$20 MILLION IN FY 2020