Nov 20 (Reuters) - ALS Ltd ALQ.AX :
* SHARE BUY-BACK PROGRAM EXTENDED TO DEC 2020 WITH TOTAL AMOUNT $250 MILLION, UP $25 MILLION VERSUS LATEST PROGRAM AMOUNT OF $225 MILLION
* DECLARED AN INTERIM DIVIDEND OF 11.5 CPS
* LIFE SCIENCES DIVISION EXPECTED TO DELIVER AN OVERALL FY20 MARGIN EXPANSION OF 50 BPS
* GROUP FY UNDERLYING NPAT FROM CONTINUING OPERATIONS EXPECTED TO BE IN RANGE OF $185 MILLION TO $195 MILLION