Purchase SPG points for 35% off

Deal Link: https://storefront.points.com/spg/en-US/buy?promoCode=051616
Expiry: Jun 3, 2016

As a AmEx Starwood Preferred Guest Credit Card Member, you're invited to purchase Starpoints for 35% off now through June 3, 2016. Although this offer looks targeted to AmEx SPG cardholders, it is actually for everyone.