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| Title of each class                                                 |   | Trading Symbol(s)       |   | Name of exchange on which registered                                        |
|---------------------------------------------------------------------|--------|-------------------------|--------|-----------------------------------------------------------------------------|
| Common Shares, par value $0.01 per share8.30% Senior Notes due 2022 |   | SBLK              SBLKZ |   | Nasdaq Global Select Market; Oslo BørsNasdaq Global Select Market |

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| Exhibit Number |   | Description                                                                                                                                                                                                                                                                                          |
|----------------|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 1.1            |   | Fourth Amended and Restated Articles of Incorporation of Star Bulk Carriers Corp. (included as Exhibit 3.1 of the                Company’s Form 6-K, which was filed with the Commission on June 23, 2016 and incorporated herein by reference).                                               |
| 1.2            |   | Third Amended and Restated Bylaws of the Company (included as Exhibit 1.2 of the Company’s Form 20-F, which was                filed with the Commission on April 8, 2015 and incorporated herein by reference)                                                                                |
| 2.1            |   | Form of Share Certificate (included as Exhibit 2.1 of the Company’s Form 20-F, which was filed with the Commission                on April 8, 2015 and incorporated herein by reference)                                                                                                       |
| 2.2            |   | Base Indenture, dated as of November 6, 2014, between the Company and U.S. Bank National Association, as trustee (the                “Trustee”) (included as Exhibit 4.1 to the Company’s Current Report on Form 6-K, dated November 7, 2014 and incorporated herein by reference) |
| 2.3            |   | Second Supplemental Indenture, dated as of November 9, 2017, between the Company and the Trustee (included as                Exhibit 4.2 to the Company’s Current Report on Form 6-K, dated November 13, 2017 and incorporated herein by reference)                                            |
| 4.1            |   | Amended and Restated Registration Rights Agreement dated July 11, 2014 (included as Annex E to Exhibit                99.1 to the Company’s Current Report on Form 6-K, dated June 20, 2014 and incorporated herein by reference)                                                              |
| 4.2            |   | Amendment No.1 to Amended and Restated Registration Rights Agreement dated August 28, 2014 (included as Exhibit 99.2                to the Company’s Current Report on Form 6-K, dated September 3, 2014 and incorporated herein by reference)                                                 |
| 4.3            |   | Amendment No.2 to Amended and Restated Registration Rights Agreement dated May 15, 2017.                                                                                                                                                                                                             |
| 4.4            |   | Amendment No.3 to Amended and Restated Registration Rights Agreement dated August 3, 2018.                                                                                                                                                                                                           |
| 4.5            |   | Oaktree Shareholders Agreement (included as Annex B to Exhibit 99.1 to the Company’s Current Report on                Form 6‐K, dated June 20, 2014 and incorporated herein by reference.                                                                                                |
| 4.6            |   | Pappas Shareholder Agreement by and among the Company and the parties named therein dated July 11, 2014 (included  as                Exhibit 99.3 to the Company’s Current Report on Form 6-K, dated June 16, 2014 and incorporated herein by reference)                                  |
| 4.7            |   | 2017 Equity Incentive Plan (included as Exhibit 4.9 to the Company’s Form 20-F, which was filed with the Commission                on  March 22, 2018 and incorporated herein by reference)                                                                                               |
| 4.8            |   | 2018 Equity Incentive Plan (included as Exhibit 4.10 to the Company’s Form 20-F, which was filed with the                Commission on March 22, 2018 and incorporated herein by reference)                                                                                                    |
| 4.9            |   | 2019 Equity Incentive Plan                                                                                                                                                                                                                                                                           |
| 4.10           |   | Description of Common Shares                                                                                                                                                                                                                                                                         |
| 4.11           |   | Description of 8.30% Senior Notes due 2022                                                                                                                                                                                                                                                           |
| 8.1*           |   | For a list of all our subsidiaries, see “Item 18.  Financial Statements-Note 1.”                                                                                                                                                                                                    |
| 11.1*          |   | Code of Ethics                                                                                                                                                                                                                                                                                       |
| 12.1*          |   | Certification of the Principal Executive Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) of                the Securities Exchange Act, as amended                                                                                                                                             |
| 12.2*          |   | Certification of the Principal Financial Officer pursuant to Rule 13a-14(a) and Rule 15d-14(a) of                the Securities Exchange Act, as amended                                                                                                                                             |
| 13.1           |   | Certification of the Principal Executive Officer pursuant to 18 USC Section 1350, as adopted, pursuant to Section 906 of the                Sarbanes-Oxley Act of 2002                                                                                                                               |
| 13.2           |   | Certification of the Principal Financial Officer pursuant to 18 USC Section 1350, as adopted, pursuant to Section 906 of the                Sarbanes-Oxley Act of 2002                                                                                                                               |
| 15.1           |   | Consent of Independent Registered Public Accounting Firm (Ernst & Young (Hellas) Certified Auditors Accountants S.A.)                                                                                                                                                                            |

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| Exhibit Number |   | Description                                                                                                                                                                          |
|----------------|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 15.2           |   | Consent of Independent Registered Public Accounting Firm (Deloitte Certified Public Accountants S.A.)                                                                                |
| 101            |   | The following materials from the Company’s Annual Report on Form 20-F for the fiscal year ended December 31, 2019, formatted in Extensible Business Reporting Language (XBRL): |
|           |   | (i)                                                                                                                                                                                  | Consolidated Balance Sheets as of December 31, 2018 and 2019; |
|           |   | (ii)                                                                                                                                                                                 | Consolidated Statements of Operations for the years ended December 31, 2017, 2018 and 2019;  |
|           |   | (iv)                                                                                                                                                                                 | Consolidated Statements of Shareholders’ Equity for the for the years ended December 31, 2017, 2018 and 2019;  |
|           |   | (v)                                                                                                                                                                                  | Consolidated Statements of Cash Flows for the for the years ended December 31, 2017, 2018 and 2019; and |
|           |   | (vi)                                                                                                                                                                                 | the Notes to Consolidated Financial Statements. |

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|   | Star Bulk Carriers Corp.(Registrant)**** |                                        |
|--------|------------------------------------------|---------------------------------------------|
|   |                                     |                                        |   |
|        | By:                                      | /s/ Petros Pappas                           |   |
|   |                                     | Name:  Petros Pappas                   |   |
|   |                                     | Title:    Chief Executive Officer |   |
|   |                                     |                                        |   |

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