Rubico Announces Record Date of Monday, September 28 and Ex-Dividend Date of Tuesday, October 6 for Previously-Announced 0.50 Common Shares Per Common Share Stock Dividend

ATHENS, Greece, Sept. 25, 2026 (GLOBE NEWSWIRE) -- Rubico Inc. (Nasdaq: RUBI) (“Rubico,” or the “Company”), a global provider of shipping transportation services specializing in the ownership of vessels, announces that, in relation to the previously announced stock dividend of 0.50 common shares for each common share outstanding (the “Stock Dividend”), the Nasdaq Capital Market (“Nasdaq”) has determined that the ex-dividend date will be October 6, 2026. The Stock Dividend will be distributed on or about October 5, 2026 (the “Distribution Date”) to shareholders of record as of the close of business on September 28, 2026. No fractional shares will be issued in connection with the Stock Dividend; any fractional shares resulting from the Stock Dividend will be paid in cash based on the closing price of the Company’s common shares on Nasdaq on September 28, 2026.

As a result of “due bill” trading procedures expected to be established by Nasdaq, Rubico common shares are expected to trade with due bills from September 28, 2026 through and including the Distribution Date. Accordingly, holders of Rubico common shares as of September 28, 2026 will need to hold such shares through and including the Distribution Date in order to receive the Stock Dividend.