It only means you have the right to buy 1M shares after 30th of June if the share price reaches 0.75C, say the SP is 10 C at that time, you can buy 1M @0.75, in theory you will make 1M*(10C-0.75C-option price you pay). Of course you also can sell your options.
AGO Price at posting:
4.8¢ Sentiment: Hold Disclosure: Held