Kuros Biosciences : Investor Webcast Presentation, H1 2023

Kuros Biosciences

The future of spinal fusions

Investor Webcast - H1 2023 Earnings and Operational Update August 23, 2023

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Disclaimer

This presentation is private and confidential, has been furnished to you solely for your information and may not be reproduced, redistributed or disclosed in any way, in whole or in part, directly or indirectly, in or into the United States or the United Kingdom, Canada, Australia, Japan, any Member State of the European Economic Area or any other jurisdiction where such distribution or release would be unlawful, or to any other person without the prior written consent of Kuros Biosciences AG (the "Company"). The maintenance of the absolute secrecy of the information contained in this presentation is of paramount importance to the Company, its business and financial prospects. This presentation does neither constitute an offer or invitation to buy or to subscribe to securities of the Company nor a prospectus within the meaning of the applicable Swiss law. Investors should make their decision to exercise rights, to buy or to subscribe to any securities of the Company solely based on an offering and listing prospectus which would be published in connection with an offering of securities of the Company. Investors are furthermore advised to consult their bank or financial adviser.

This presentation may contain specific forward-looking statements, e.g., statements including terms like "believe", assume", "expect", "forecast", "project", "may", "could", "might", "will" or similar expressions. Such forward-looking statements are subject to known and unknown risks, uncertainties and other factors which may result in a substantial divergence between the actual results, financial situation, development or performance of the Company and those explicitly or implicitly presumed in these statements. Against the background of these uncertainties, readers should not rely on forward-looking statements. The Company assumes no responsibility to update forward-looking statements or to adapt them to future events or developments.

Market data and other statistical information used throughout this presentation are based on industry publications and surveys, reports by market research firms or other published independent sources. Some data is based on the Company's internal estimates which are derived from the review of internal surveys, as well as the independent sources. The Company's estimates, in particular as they relate to market share and the Company's general expectations, involve risks and uncertainties and are subject to change based on various factors. Although the Company believes these sources are reliable, it has not independently verified the information and no representation or warranty, express or implied, is made as to, and no reliance should be placed on, the fairness, accuracy, completeness or correctness of the information or opinions expressed herein. The Company and its subsidiaries, managers, directors, officers, employees, agents or advisors shall have no liability whatsoever (in negligence or otherwise) for any loss howsoever arising from any use of this presentation or its contents or otherwise arising in connection with this presentation. The information

and opinions contained in this presentation do not purport to be comprehensive, are provided as at the date of this presentation and are subject to change without notice.

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This presentation shall not constitute an offer to sell or the solicitation of an offer to buy securities of the Company, in any jurisdiction in which such offer or solicitation would be unlawful prior to registration, exemption from registration or qualification under the securities laws of any jurisdiction.

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References: 1. Cash and cash equivalents CHF 16.9 million translated at CHF/USD (0.93) as of June 30, 2023. 2. Product sales CHF 12.9 million in H1-2023 compared to CHF 5.7 million in H1-2022 translated at CHF/USD (0.93).

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MagnetOs: Overview of clinical studies

References: 1. Data on file. 2. Lehr, et al. Spine. 2020; 45(14):944-951.3. Coughlan, et al. Spine (Phila Pa 1976). 2018;1-43(15):E860-E868. *Preliminary results from an ongoing trial.

† MagnetOs Granules is cleared for standalone use in the posterolateral spine. Please refer to the Instructions for Use for a full list of indications, contraindications, precautions and warnings.

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