Rubico Inc. (NASDAQ:RUBI) (the "Company" or "Rubico"), a global provider of shipping transportation services specializing in the ownership of vessels, announced today that after taking into account the June 30, 2026, charter free vessel value estimates from third party international brokers, debt outstanding and cash, management estimates the Company’s net asset value ("NAV") as of June 30, 2026, to be $183.1 million. This reflects a 94% increase from the previous NAV reported on March 2, 2026. This translates into a NAV of $300.26 per common share (based on number of common shares currently outstanding) and $72.22 per common share on a fully diluted basis (assuming exercise of all the 669,193 outstanding warrants and the conversion of all the Series G Convertible Preferred Shares).