Offer Valid till: December 31, 2020 20.88% savings is calculated based on: 5% Shell site discount, 5% Shell Escape card discount, 4% Citi Card discount and 8%* cash back (after Shell and Citi discounts) with Citi Cash Back Card. Citibank and Shell Eastern Petroleum (Pte) Ltd. reserve the right to change, add or delete any terms and conditions at any time without prior notice. Citi Cash Back Cardmember's Agreement, fees, interest charges applies. Total minimum retail spend of SGD888 per statement month required. For full terms and conditions, visit www.citibank.com.sg/cashback. Please always check with the merchant on the validity of the promotion before purchase.