Publication of the 2019 Half-Yearly Financial Report

Paris (France), July 31, 2019 – 7.00 pm CEST – Onxeo S.A. (Euronext Paris, NASDAQ Copenhagen: ONXEO – FR0010095596), (“Onxeo” or “the Company”), a clinical-stage biotechnology company specializing in the development of innovative drugs targeting tumor DNA Damage response (DDR) in oncology, in particular against rare or resistant cancers, today announced the publication of the Company’s 2019 half-yearly financial report.

The 2019 half-yearly financial report is available to the public on the Company’s website:

http://www.onxeo.com/en/investisseurs/resultats-et-publications/resultats-semestriels.

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