Star Bulk Carriers Corp. Announces Publication of 2024 Environmental, Social and Governance (ESG) Report

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Star Bulk Carriers Corp. (Nasdaq: SBLK) published its 2024 Environmental, Social and Governance (ESG) Report, the company’s seventh annual report, on October 29, 2025. The report outlines Star Bulk’s sustainability strategy, measurable progress on long‑term ESG objectives, action plans, and sustainability KPIs guided by its ESG Committee.

The report was prepared in accordance with GRI 2021 and SASB Marine Transportation 2023 standards, aligns with the UN Sustainable Development Goals, and includes specific GRI disclosures and SASB indicators that received limited assurance from EY in Greece. The report is available at www.starbulk.com.

ATHENS, Greece, Oct. 29, 2025 (GLOBE NEWSWIRE) -- Star Bulk Carriers Corp. (the "Company" or "Star Bulk") (Nasdaq: SBLK), a global leader in dry bulk shipping, today announced the publication of its 2024 Environmental, Social and Governance (ESG) Report.

The 2024 ESG Report — Star Bulk’s seventh annual publication — provides a comprehensive overview of the Company’s sustainability strategy, performance, and future goals. Guided by its ESG Committee, Star Bulk continues to innovate and embed best practices across its operations, safeguarding business continuity while proactively addressing key environmental, social, and governance (ESG) challenges. The report highlights measurable progress toward long-term ESG objectives, supported by detailed action plans and sustainability-focused Key Performance Indicators (KPIs). Through transparent and data-driven reporting, Star Bulk reaffirms its commitment to environmental stewardship, social responsibility, and sound corporate governance.

Mr. Petros Pappas, CEO of Star Bulk, stated: “As we look ahead, our mission remains clear — to be a reliable partner in global trade while leading the transition toward a more sustainable maritime future, together with our people, partners, and communities around the world.”

The report has been developed in accordance with the Global Reporting Initiative (GRI 2021) standards, the Sustainability Accounting Standards Board (SASB) for Marine Transportation (2023), and aligns with the United Nations’ Sustainable Development Goals (SDGs). Specific GRI disclosures and SASB indicators have received limited level of assurance from EY in Greece. The 2024 ESG Report is now available on the Company’s website at www.starbulk.com.

About Star Bulk

Star Bulk is a global shipping company providing worldwide seaborne transportation solutions in the dry bulk sector. Star Bulk’s vessels transport major bulks, which include iron ore, minerals and grain, and minor bulks, which include bauxite, fertilizers and steel products. Star Bulk was incorporated in the Marshall Islands on December 13, 2006 and maintains its executive office in Athens, Greece. Its common stock trades on the Nasdaq Global Select Market under the symbol “SBLK”. As of the date of this release on a fully delivered basis and as adjusted for the delivery of a) the vessels agreed to be sold and b) the five firm Kamsarmax vessels currently under construction, we own a fleet of 142 vessels, with an aggregate capacity of 14.2 million dwt consisting of 17 Newcastlemax, 15 Capesize, 1 Mini Capesize, 7 Post Panamax, 42 Kamsarmax, 1 Panamax, 48 Ultramax and 11 Supramax vessels with carrying capacities between 55,569 dwt and 209,537 dwt.

In addition, in November 2021, we took delivery of the Capesize vessel Star Shibumi, under a seven-year charter-in arrangement and in 2024, we took delivery of the vessels Star Voyager, Star Explorer, Stargazer, Star Earendel, Star Illusion and Star Thetis, each subject to a seven-year charter-in arrangement.

Forward-Looking Statements

Matters discussed in this press release may constitute forward looking statements. The Private Securities Litigation Reform Act of 1995 provides safe harbor protections for forward-looking statements in order to encourage companies to provide prospective information about their business. Forward-looking statements include statements concerning plans, objectives, goals, strategies, future events or performance, and underlying assumptions and other statements, which are other than statements of historical facts.

We desire to take advantage of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995 and is including this cautionary statement in connection with this safe harbor legislation. Words such as, but not limited to, “believe,” “expect,” “anticipate,” “estimate,” “intend,” “plan,” “targets,” “projects,” “likely,” “will,” “would,” “could,” “should,” “may,” “forecasts,” “potential,” “continue,” “possible” and similar expressions or phrases may identify forward-looking statements.

The forward-looking statements in this press release are based upon various assumptions, many of which are based, in turn, upon further assumptions, including without limitation, examination by our management of historical operating trends, data contained in our records and other data available from third parties. Although we believe that these assumptions were reasonable when made, because these assumptions are inherently subject to significant uncertainties and contingencies which are difficult or impossible to predict and are beyond our control, we cannot assure you that we will achieve or accomplish these expectations, beliefs or projections.

In addition to these important factors, other important factors that, in our view, could cause actual results to differ materially from those discussed in the forward-looking statements include the possibility that the expected synergies and value creation from the Eagle Merger will not be realized, or will not be realized within the expected time period; the possibility that additional unexpected costs or difficulties related to the integration of Star Bulk and Eagle’s operations will be greater than expected; general dry bulk shipping market conditions, including fluctuations in charter rates and vessel values; the strength of world economies; the stability of Europe and the Euro; fluctuations in currencies, interest rates and foreign exchange rates; business disruptions due to natural and other disasters or otherwise, such as the impact of any future epidemics; the length and severity of epidemics and pandemics and their impact on the demand for seaborne transportation in the dry bulk sector; changes in supply and demand in the dry bulk shipping industry, including the market for our vessels and the number of newbuildings under construction; the potential for technological innovation in the sector in which we operate and any corresponding reduction in the value of our vessels or the charter income derived therefrom; changes in our expenses, including bunker prices, dry docking, crewing and insurance costs; changes in governmental rules and regulations or actions taken by regulatory authorities; the impact of current and potential additional trade tariffs on global trade and demand for dry bulk shipping; potential liability from pending or future litigation and potential costs due to environmental damage and vessel collisions; the impact of increasing scrutiny and changing expectations from investors, lenders, charterers and other market participants with respect to our Environmental, Social and Governance (“ESG”) practices; our ability to carry out our ESG initiatives and thereby meet our ESG goals and targets; new environmental regulations and restrictions, whether at a global level stipulated by the International Maritime Organization, and/or regional/national imposed by regional authorities such as the European Union or individual countries; potential cyber-attacks which may disrupt our business operations; general domestic and international political conditions or events, including “trade wars”, the ongoing conflict between Russia and Ukraine, the conflict between Israel and Hamas and related conflicts in the Middle East and the Houthi attacks in the Red Sea and the Gulf of Aden; the impact on our common shares and reputation if our vessels were to call on ports located in countries that are subject to restrictions imposed by the U.S. or other governments; our ability to successfully compete for, enter into and deliver our vessels under time charters or other employment arrangements for our existing vessels after our current charters expire and our ability to earn income in the spot market; potential physical disruption of shipping routes due to accidents, climate-related reasons (acute and chronic), political events, public health threats, international hostilities and instability, piracy or acts by terrorists; the availability of financing and refinancing; the failure of our contract counterparties to meet their obligations; our ability to meet requirements for additional capital and financing to complete our newbuilding program and grow our business; the impact of our indebtedness and the compliance with the covenants included in our debt agreements; vessel breakdowns and instances of off‐hire; potential exposure or loss from investment in derivative instruments; potential conflicts of interest involving our Chief Executive Officer, his family and other members of our senior management; our ability to complete acquisition transactions as and when planned and upon the expected terms; and the impact of port or canal congestion or disruptions. Please see our filings with the Securities and Exchange Commission for a more complete discussion of these and other risks and uncertainties. The information set forth herein speaks only as of the date hereof, and the Company disclaims any intention or obligation to update any forward‐looking statements as a result of developments occurring after the date of this communication.

Contacts
Company:	Investor Relations / Financial Media:
Simos Spyrou, Christos Begleris	Nicolas Bornozis
Co ‐ Chief Financial Officers	President
Star Bulk Carriers Corp.	Capital Link, Inc.
c/o Star Bulk Management Inc.	230 Park Avenue, Suite 1540
40 Ag. Konstantinou Av.	New York, NY 10169
Maroussi 15124	Tel. (212) 661‐7566
Athens, Greece	E‐mail: starbulk@capitallink.com
Email: info@starbulk.com	www.capitallink.com
www.starbulk.com

FAQ

What does Star Bulk’s 2024 ESG Report for SBLK cover?

The report covers the company’s sustainability strategy, measurable ESG progress, action plans, and sustainability KPIs.

Which reporting standards does Star Bulk use in the 2024 ESG Report (SBLK)?

The report was prepared in accordance with GRI 2021 and SASB Marine Transportation 2023 and aligns with the UN SDGs.

Did Star Bulk (SBLK) obtain any assurance on its 2024 ESG disclosures?

Yes; specific GRI disclosures and SASB indicators received a limited level of assurance from EY in Greece.

How can investors access Star Bulk’s 2024 ESG Report (SBLK)?

The 2024 ESG Report is available for download on Star Bulk’s investor website at www.starbulk.com.

When was Star Bulk’s 2024 ESG Report published for SBLK?

The company published the 2024 ESG Report on October 29, 2025.

What governance body guided the 2024 ESG Report at Star Bulk (SBLK)?

The report was guided by Star Bulk’s ESG Committee, which oversees sustainability practices and KPIs.