Enjoy 25% savings when you pay using your Nations Trust Bank American Express Explorer Credit Card at participating outlets. Valid Locations: Havelock City Mall outlets and online at Cool Planet (www.coolplanet.lk ) Card: American Express Explorer Credit Card (issued by Nations Trust Bank) Maximum Bill Value: LKR 100,000 Maximum Savings: LKR 25,000 Validity Period: 20th May 2026 – 30th May 2026