Form FWP Star Bulk Carriers Corp. Filed by: Star Bulk Carriers Corp.

Issuer Free Writing Prospectus
Filed Pursuant to Rule 433  

Registration No. 333-197886  

September 15, 2016

PRICING TERM SHEET

11,976,745 COMMON SHARES

The information in this pricing term sheet relates to the offering (the “Offering”) of 11,976,745 common shares of Star Bulk Carriers Corp. (the “Company”) and should be read together with the preliminary prospectus supplement, dated September 14, 2016, relating to the Offering and the base prospectus, dated February 5, 2015, including the documents incorporated by reference therein (collectively, the “Preliminary Prospectus”), relating to the Company’s Registration Statement on Form F-3 (File No. 333-197886) (the “Registration Statement”). Terms used but not defined herein have the meanings given to them in the Preliminary Prospectus.

(1) The underwriters will not receive any underwriting fees on the sale of the common shares sold to the Significant Shareholders.

The Company has filed a registration statement (including a prospectus) with the Securities and Exchange Commission for the offering to which this communication relates. Before you invest, you should read the prospectus in that Registration Statement, the Preliminary Prospectus and other documents the Company has filed with the SEC for more complete information about the Company and this offering. You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, the Company, any placement agent or any dealer participating in the offering will arrange to send you the prospectus if you request it by calling Citigroup Global Markets Inc. at 1-800-831-9146 (toll free), Clarkson Platou Securities, Inc. at 1-855 864 2265 (toll free), Deutsche Bank Securities Inc. at 1-800-503-4611 (toll free) and DNB Markets, Inc. at 1-212-681-3800.

Any disclaimer or other notice that may appear below is not applicable to this communication and should be disregarded. Such disclaimer or notice was automatically generated as a result of this communication being sent by Bloomberg or another email system.

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