read the option prospectus, all you need is to fill out an...

read the option prospectus, all you need is to fill out an option exercise form and send in the money to 4DS, that's it

Exercise Period
The Options are exercisable at any time on or prior to the Expiry Date (Exercise
Period).

"Notice of Exercise
The Options may be exercised during the Exercise Period by notice in writing to
the Company in the manner specified on the Option certificate (Notice of
Exercise) and payment of the Exercise Price for each Option being exercised in
Australian currency by electronic funds transfer or other means of payment
acceptable to the Company."