Wednesday - February 7, 2018

About radium-223 dichloride
Radium-223 dichloride (radium-223) is a Targeted Alpha Therapy. It selectively targets bone, specifically areas of bone metastases, by forming complexes with the bone mineral hydroxyapatite. The high linear energy transfer of alpha particles leads to a high frequency of double-strand DNA breaks in adjacent tumor cells, resulting in a potent cytotoxic effect. The alpha particle range from radium-223 is less than 100 micrometers, which minimizes damage to the surrounding normal tissue.

In countries of the EU, radium-223 dichloride is indicated for the treatment of adults with castration-resistant prostate cancer, symptomatic bone metastases and no known visceral metastases. The compound has already been approved in more than 50 countries worldwide, including the U.S., countries of the EU and Japan, under the brand name Xofigo®. Radium-223 is also being studied in additional trials for men with prostate cancer as well as in Phase II studies for women with breast cancer and patients with multiple myeloma.

About darolutamide
Darolutamide is a novel investigational oral androgen receptor (AR) antagonist with a specific chemical structure designed to block the growth of cancer cells by binding to the AR with high affinity and inhibiting the receptor function. In preclinical studies, darolutamide and its main circulating metabolite were also active in known AR mutations, such as W742L and F877L, with negligible blood-brain barrier penetration. Darolutamide demonstrated promising anti-tumor activity in a Phase I/II study in patients with metastatic castration-resistant prostate cancer. The compound is not approved by the European Medicines Agency, U.S. Food and Drug Administration or any other health authority.

About Oncology at Bayer
Bayer is committed to delivering science for a better life by advancing a portfolio of innovative treatments. The oncology franchise at Bayer now includes four oncology products and several other compounds in various stages of clinical development. Together, these products reflect the company’s approach to research, which prioritizes targets and pathways with the potential to impact the way that cancer is treated.

About Bayer
Bayer is a global enterprise with core competencies in the Life Science fields of health care and agriculture. Its products and services are designed to benefit people and improve their quality of life. At the same time, the Group aims to create value through innovation, growth and high earning power. Bayer is committed to the principles of sustainable development and to its social and ethical responsibilities as a corporate citizen. In fiscal 2016, the Group employed around 99,600 people and had sales of EUR 34.9 billion. Capital expenditures amounted to EUR 2.2 billion, R&D expenses to EUR 4.4 billion. For more information, go to www.bayer.com.

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Forward-Looking Statements
This release may contain forward-looking statements based on current assumptions and forecasts made by Bayer management. Various known and unknown risks, uncertainties and other factors could lead to material differences between the actual future results, financial situation, development or performance of the company and the estimates given here. These factors include those discussed in Bayer’s public reports which are available on the Bayer website at www.bayer.com. The company assumes no liability whatsoever to update these forward-looking statements or to conform them to future events or developments.

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