Hi shamol
The options have a piggyback on them so you get 2 for 1 and only 30c to convert both 10c for 1 and 20c for the other.
If your looking for a oil play this has excellent up side for short to medium term with great management.
Here is the link for the latest investor update.
http://www.erohydro.com/announce.html
Anyway mate best of luck with it
cheers