[EXPIRED] (YMMV) UK Amex points transfer to Marriott and receive 50% bonus Marriott points. Offer ends 12/31/2019.

Enjoy more with Marriott Bonvoy

Transfer before 31 December 2019 and you'll receive 9 Marriott Bonvoy points for every 4 Membership Rewards points, when you transfer 1,000 or more.1That's 50% more than the usual rate. You can use Marriott Bonvoy points at more than 7,000 hotels in 130 countries.

Log into your Amex UK account to see if you are targeted.