June 18 (Reuters) - South32 Ltd S32.AX :
* SOUTH32 TO ACQUIRE ARIZONA MINING IN AGREED ALL CASH OFFER
* DEAL FOR ALL CASH OFFER OF US$1.3 BILLION
* OFFER PRICE OF C$6.20 PER SHARE
* DIRECTORS OF ARIZONA MINING UNANIMOUSLY RECOMMENDED TO THEIR SHAREHOLDERS THAT THEY VOTE IN FAVOUR OF DEAL
* TRANSACTION IS EXPECTED TO CLOSE IN SEPTEMBER 2018 QUARTER