All you need to do is open a support ticket as is mentioned a number of these times in these posts. They will add them to your account in the next few days. Open the ticket today if you can as I think the promotion ends soon.
I put in a support ticket and I had the 2GB plus the 500 min intl calling adding to my account within an hour. If you’re an existing PM client, don’t forget to go into add-ins and get the free 1GB data there. once they add it to your account, you may...