Eligible UOB Mastercard card registration and offer activation is required prior to purchase by going to mtr.mastercardservices.com or www.priceless.com/travelrewards, registering card, and activating offer. This promotion can be used in conjunction with any other promotion. Offer is limited to one redemption per cardholder during the promotion period. Valid for purchases made in THB only. Cash back will be earned in-store and online. The decision of King Power & UOB Mastercard shall be absolute and final. Single purchases split into multiple shipments and charges may not receive a statement credit, unless one of those shipments meets the minimum spending amount. If you purchase an item during the offer period, but your item is shipped and charged after the offer period, you may not receive a statement credit. If UOB Mastercard does not receive information that identifies your transaction as qualifying for the offer, you will not receive a statement credit. Statement credit may be reversed if qualifying purchase is returned/cancelled.