Aug 14 (Reuters) - Australia and New Zealand Banking Group Ltd ANZ.AX :
* TOTAL PROVISION CHARGE WAS $121 MILLION IN 3Q18
* Q3 GROSS IMPAIRED ASSETS $1,877 MILLION
* $1.5BN OF ANNOUNCED $3BN ON-MARKET SHARE BUYBACK HAD BEEN COMPLETED AS AT 30-JUN 2018