Onxeo is a clinical-stage biotechnology company based in France and in the US that develops new cancer drugs by targeting tumor DNA functions through unique mechanisms of action in the field of DNA Damage Response (DDR). DDR consists of a network of cellular pathways that detect, report and repair DNA damage. Applied to oncology, this new field of research aims to weaken or block the ability of tumor cells to repair damage to their DNA, either naturally or under the effect of cytotoxic treatments. The Company focuses on the development of first-in-class compounds from preclinical (translational) research to human clinical proof-of-concept studies. It thus leads its programs to the most value-creating and attractive inflection points for potential partners. The Company's portfolio is based on platON™, Onxeo's decoy oligonucleotide platform. PlatON™ is intended to generate new compounds based on an unparalleled DDR decoy mechanism and capitalizing on the expertise the Company has developed on this type of oligonucleotides. The Company's portfolio includes: - AsiDNA™, a first-in-class product interfering with tumor DNA break repair, based on a decoy agonist mechanism, unmatched in the DDR field, which could, among other things, combat tumor resistance. AsiDNA™ is in clinical development in several trials, in combination with PARP inhibitors or in combination with radiation therapy. - A new family of compounds, OX400, positioned as a new-generation PARP agonists that are designed not to induce resistance and to activate the immune response. The first molecule identified, OX401, is currently being optimized in a preclinical phase. The Company is convinced of the significant therapeutic potential of its decoy oligonucleotide technology and the disruptive innovation it represents, which could pave the way for a new paradigm in cancer treatment.