Announcement Regarding the Results of the Public Offering in Greece of the New Common Shares of the Company «Star Bulk Carriers Corp.»

Star Bulk Carriers Corp. successfully completed a public offering in Greece on September 11, 2026, allocating 4.4 million new common shares at €24.50 per share, raising €107.8 million in total proceeds. The offering was oversubscribed over 6 times, with 4.3 million shares allocated through the public offering and 100,000 through a parallel offering. Retail investors received 41% of shares while qualifying investors received 59%.