A review of the Citi PremierMiles Card has been published, highlighting that Citi miles never expire. There are also reports on various credit card promotions in Singapore, including those from Citibank, although it is unclear if the Citi PremierMiles Card is among them. Other Citi cards, such as the Citi Prestige Card and Citi Rewards Card, have been mentioned in the context of extended sign-up bonuses.