Sept 9 (Reuters) - Nickel Mines Ltd NIC.AX :
* CO AND SHANGHAI DECENT INVESTMENT AGREED TO AMEND 2 MATERIAL TERMS IN COLLABORATION AND SUBSCRIPTION AGREEMENT OF SEPT 2017
* CO HAS AGREED TO LIMIT ITS CONTRACTUAL OPTION TO FURTHER EQUITY INTEREST IN HENGJAYA NICKEL INDUSTRY TO NOT MORE THAN 80%
* OPTION PERIOD DURING WHICH CO CAN ACQUIRE FURTHER EQUITY INTEREST IN HNI HAS BEEN EXTENDED UNTIL 30 NOV 2020