Star Bulk Enters Into New Time Charter
Agreements for Star Cosmo and Star Ypsilon

ATHENS, GREECE, April 7, 2011 - Star Bulk Carriers Corp. (the "Company" or "Star Bulk") (NASDAQ: SBLK), today announced the following vessel chartering activities:

Star Cosmo
The Company entered into a time charter agreement with SK Shipping for the vessel Star Cosmo for a period of 11-13 months, at a gross daily rate of $16,500. The new contract will contribute minimum $5.5 million to maximum $6.8 million in gross revenue. The Star Cosmo is a Supramax vessel of 52,247 dwt built in 2005.

Star Ypsilon
The Company entered into a time charter agreement with STX Pan Ocean for the vessel Star Ypsilon for a period of 7-9 months, at a gross daily rate of $13,000. The new contract will contribute minimum $2.7 million to maximum $3.8 million in gross revenue. The Star Ypsilon is a Capesize vessel of 150,940 dwt built in 1991.

About Star Bulk
Star Bulk is a ship owning and ship operating company providing worldwide seaborne transportation solutions in the dry bulk sector. Star Bulk's vessels transport major bulks, which include iron ore, coal and grain and minor bulks such as bauxite, fertilizers and steel products. Star Bulk was incorporated in the Marshall Islands on December 13, 2006 and maintains executive offices in Athens, Greece. Its common stock trades on the Nasdaq Global Market under the symbol "SBLK". Currently, Star Bulk has an operating fleet of eleven dry bulk carriers, comprised of three Capesize and eight Supramax vessels, with a further two Capesize vessels currently under construction.

Star Bulk Carriers Corp.