There could be a few reasons. Please check you are using the same email address you used to sign up to the offer and that the reward email hasn’t gone into your junk folder.
If you haven’t received your reward email after a week and you believe your referral meets the offer criteria, please contact us providing you and your friend’s names and email addresses and we will look into this for you. This will ensure we have time to look into your query before the reward code redemption period (120 days).