Dottikon Es : Markus Blocher Reorganizes Equity Interest Structure, Increases Total Stake

MEDIA RELEASE	Dottikon, December 12, 2019

DOTTIKON ES - Markus Blocher Reorganizes Equity Interest Structure, Increases Total Stake

Dottikon, Switzerland, December 12, 2019 - DOTTIKON ES Group, positioned as strategic development and manufacturing partner and specialized in the area of hazardous reactions and the exclusive synthesis of active pharmaceutical ingredients (API) and fine chemicals, informs that Markus Blocher, resident of 8832 Wollerau SZ, went below a 15% direct equity interest in DOTTIKON ES HOLDING AG on December 11, 2019, after reorganizing his personal asset structure, selling 63'631 registered shares of DOTTIKON ES HOLDING AG to his fully controlled EVOLMA Holding AG based in 8832 Wollerau SZ. In total, his equity interest increases to 71.84% (as of March 31, 2019: 71.74%) in the form of 914'212 registered shares at a nominal value of CHF 0.10, 12.40% of which directly and 59.44% indirectly via EVOLMA Holding AG.

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 positions itself as strategic development and manufacturing partner and performance leader. Its safety culture created over the past 105 years guides innovative use of hazardous reactions, low-temperature and high-pressure chemistry, as well as continuous processing. This challenges, tightens or shortens conventional chemical synthesis routes, increases yields, selectivities and purities, and reduces waste. The versatile technology and equipment portfolio is used, maintained and continuously expanded to design, develop and optimize chemical processes and technical manufacturing procedures for the scale-up from kilograms to multi-tons in order to produce and deliver the respective market volumes.

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

DOTTIKON ES HOLDING AG is listed on 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 [phone]

Fax [phone] [e-mail]

Dottikon ES Holding AG

P.O. Box, 5605 Dottikon, Switzerland, Tel [phone], Fax [phone], [e-mail], www.dottikon.com