Just got this email from AMEX rewards!
Spend $15 or more at Woolworths and get a $5 credit
Log in to your online account, click on "Offers & Places" and save the offer to your Card. Spend $15 or more at Woolworths, in-store or online, by 12 August 2014 for one $5 statement credit1. First 20,000 Cards to register only. Gift Cards don’t apply. T&Cs apply.