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Press Release, 28 August 2017

Kuros receives clearance for MagnetOs Putty for commercialization in the United States and files the product for CE marking in Europe

Kuros Biosciences announced today that it has received 510(k) clearance from the US Food and Drug Administration (FDA) for MagnetOs Putty indicated for use as an autograft extender in posterolateral spine. This market clearance allows commercialization of MagnetOs Putty in the United States and complements the existing clearance for MagnetOs Granules, which was granted by the FDA in February 2017. In addition, Kuros has filed MagnetOs Putty for CE mark certification in Europe. MagnetOs is a novel synthetic bone graft substitute designed to regenerate bone in the implanted site in the body. Numerous studies have shown that MagnetOs leads to progressive bone formation and implant resorption comparable to current gold standard autograft.


Ivan Cohan-Tanugi, Chief Executive Officer of Kuros, commented: “This FDA clearance is another major milestone for us and supports our commitment to develop and launch innovative products that meet the demands of surgeons, their patients and the payers.” He continued: “MagnetOs Putty has now been cleared or submitted in our main target markets, which is key for our strategy to build a leading orthobiologics company. It is also a testimony to our Group’s science, development capabilities and teamwork. We now look forward to rolling out our commercialization activities.”

Under the terms of the combination agreement with Xpand Biotechnology B.V., the clearance for MagnetOs Putty in the United States triggers the issue of another 0.37 million shares from Kuros’ authorized share capital to the former owners of Xpand Biotechnology B.V.

MagnetOs promotes local bone formation equivalent to current gold standard autograft

MagnetOs is a synthetic bone graft substitute intended to fill bony voids or gaps of the human skeletal system and promote the formation of bone at the implanted site. A substantial number of clinically relevant and predictive studies have demonstrated its equivalence to the current gold standard autograft (patient’s own bone, which may not be available in sufficient quantities and/or involves morbidity, costs and risks associated with its harvesting from another healthy site of the patient’s body). MagnetOs is based on calcium phosphate with a novel and unique surface structure that greatly enhances its ability to promote local bone formation. The product is available as granules and as a putty formulation.

About Kuros Biosciences AG

Kuros Biosciences is focused on the development of innovative products for tissue repair and regeneration and is located in Schlieren (Zurich), Switzerland and Bilthoven, The Netherlands. The Company is listed according to the International Financial Reporting Standard on the SIX Swiss Exchange under the symbol KURN. Visit for additional information on Kuros, its science and product pipeline.

Forward Looking Statements

This media release contains certain forward-looking statements that involve risks and uncertainties that could cause actual results to be materially different from historical results or from any future results expressed or implied by such forward-looking statements. You are urged to consider statements that include the words “will” or “expect” or the negative of those words or other similar words to be uncertain and forward-looking. Factors that may cause actual results to differ materially from any future results expressed or implied by any forward-looking statements include scientific, business, economic and financial factors, Against the background of these uncertainties, readers should not rely on forward-looking statements. The Company assumes no responsibility for updating forward-looking statements or adapting them to future events or developments.

For further information, please contact:

Kuros Biosciences AG

Harry Welten

Chief Financial Officer

Phone +41 79 750 15 64