Exhibit 99.1 Intchains Group Limited Reports First Quarter 2024 Unaudited Financial Results SHANGHAI, China – May 16, 2024 – Intchains Group Limited (Nasdaq: ICG) (“we,” or the “Company”), a provider of integrated solutions consisting of high-performance computing ASIC chip-based solutions products and a corporate holder of cryptocurrencies based on Ethereum, or ETH, today announced its unaudited financial results for the first quarter ended March 31, 2024. First Quarter 2024 Operating and Financial Highlig ...