MEDIA RELEASE Dottikon, October 4, 2016 DOTTIKON ES - Reinforced Collaboration with Bachem on Novel Amino Acids

Dottikon, Switzerland, October 4, 2016 - DOTTIKON ES and Bachem announce that they are extending their collaboration in the area of novel amino acids. The collaboration between the two Swiss companies covers the development, manufacturing, and distribution of innovative, enan- tiomerically pure amino acids, for example for peptide synthesis. Bachem is the global leader in exclusive custom synthesis of peptides for preclinical and clinical pharmaceutical research.

DOTTIKON ES, the specialist for hazardous reactions, provides innovative technology for the stereoselective synthesis of chiral building blocks as well as longstanding experience in chemical process development, scale-up and production.

DOTTIKON ES manufactures high-quality performance chemicals, intermediates and exclusive active pharmaceutical ingredients (APIs) for the world's leading chemical and pharmaceutical industry. The company with its production site in Dottikon (Aargau, Switzerland) is specialized in hazardous reactions and is positioning itself as strategic development and manufacturing partner. Its safety culture created over the last 100 years guides innovative use of hazardous reactions, low-temperature and high-pressure chemistry, as well as continuous processing. This shortens conventional chemical synthesis routes, increases yields, selectivities and purities, and reduces waste. The versatile technology and equipment portfolio is used to design, develop and optimize chemical processes, and scale up from kilograms to multi-tons.

DOTTIKON ES' one-site strategy allows reduced decision and communication pathways. This ensures rapid and efficient project development as well as clear and transparent communication with customers.

Bachem is a listed technology-based company focused on peptide chemistry. The company provides a full range of services to the pharma and biotech industries. It specializes in the de- velopment of innovative, efficient manufacturing processes and the reliable production of pep- tide-based active pharmaceutical ingredients. A comprehensive catalog of biochemicals and exclusive custom syntheses for research labs complete the service portfolio. Headquartered in Switzerland with subsidiaries in Europe and the US, the group has a global reach with more ex- perience and knowhow than any other company in the industry. Towards its customers, Bachem shows total commitment to quality, innovation and partnership.

DOTTIKON ES HOLDING AG is listed at the SIX Swiss Exchange. Symbol: DESN

Security number: 2073900 ISIN: CH0020739006

For further information please contact Markus Blocher, Ph.D.

CEO

Dottikon ES Holding AG Tel +41 56 616 82 01

Fax +41 56 616 89 45

investor-relations@dottikon.com

Dottikon ES Holding AG published this content on 04 October 2016 and is solely responsible for the information contained herein.
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