DGAP-Ad-hoc: Heidelberg Pharma AG / Key word(s): Alliance
Heidelberg Pharma AG: Partner Magenta Therapeutics Exercises Option to Further Develop Antibody Targeted Amanitin Conjugates Targeted to CD45

11-Nov-2019 / 14:46 CET/CEST
Disclosure of an inside information acc. to Article 17 MAR of the Regulation (EU) No 596/2014, transmitted by DGAP - a service of EQS Group AG.
The issuer is solely responsible for the content of this announcement.

About the target molecule
The target CD45 is a surface protein expressed by immune cells and hematopoietic stem cells. An ATAC for CD45 could provide a one-time curative therapy for patients with autoimmune diseases by removing the disease-causing cells, resetting the immune system and allowing the body to rebuild a healthy new immune system.

About Heidelberg Pharma
Heidelberg Pharma is an oncology specialist and the first company to develop the toxin Amanitin into cancer therapies using its proprietary Antibody Targeted Amanitin Conjugate (ATAC) technology and to advance the biological mode of action of the toxin as a novel therapeutic principle. This proprietary technology platform is being applied to develop the Company's proprietary therapeutic ATACs as well as in third-party collaborations to create a variety of ATAC candidates. The proprietary lead candidate HDP-101 is a BCMA ATAC for multiple myeloma.

Former clinical assets MESUPRON(R) and REDECTANE^(R) were partnered for further development and commercialization. Heidelberg Pharma AG is listed on the Frankfurt Stock Exchange: ISIN DE000A11QVV0 / WKN A11QVV / Symbol WL6. More information is available at www.heidelberg-pharma.com.

About Magenta Therapeutics
Headquartered in Cambridge, MA, USA, Magenta Therapeutics is a clinical-stage biotechnology company developing novel medicines for patients with autoimmune diseases, blood cancers and genetic diseases. By creating a platform focused on critical areas of unmet need, Magenta Therapeutics is pioneering an integrated approach to allow more patients to receive one-time, curative therapies by making the process more effective, safer and easier.

This communication contains certain forward-looking statements relating to the Company's business, which can be identified by the use of forward-looking terminology such as 'estimates', 'believes', 'expects', 'may', 'will' 'should' 'future', 'potential' or similar expressions or by a general discussion of the Company's strategy, plans or intentions. Such forward-looking statements involve known and unknown risks, uncertainties and other factors, which may cause our actual results of operations, financial condition, performance, or achievements, or industry results, to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. Given these uncertainties, prospective investors and partners are cautioned not to place undue reliance on such forward-looking statements. We disclaim any obligation to update any such forward-looking statements to reflect future events or developments.

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