UltraGreen.ai Ltd (Ticker: TBA) is a Singapore-based company specializing in fluorescence-guided surgery (FGS) technology and AI-powered surgical intelligence. UltraGreen.ai plans to list on the Singapore Exchange (SGX) on December 3, 2025, offering approximately 276 million shares at a price of US$1.45, raising about  US$400 million (S$534 million). The listing values the company at US$1.6 billion upon debut. According to the term sheet, UltraGreen.ai plans to use the IPO proceeds for product development, specifically for Indocyanine Green (ICG) dyes and the IC-Flow Imaging System, as well as for market expansion across APAC, Europe, the Middle East, and Africa. The offering includes a cornerstone tranche and a secondary sale by Renew Group. Citigroup and DBS are acting as joint issue managers for the transaction.