You will need a cellphone for this, as they will send you the coupon to your phone. Also needed is Facebook, as that is where you will need to go to and get the coupon.
Once you get to their Facebook page (make sure you “like” their page!)
Coupon must be inside the AM PM store, valid from June 4, 2013 to August 5, 2013. Limit one coupon per phone
If internet explorer does not open up with the link (which I had a problem) I went to google chrome and was able to proceed through that.