Dottikon Es : Capital Increase – Books Are Fully Covered

MEDIA RELEASE

Dottikon, March 8, 2021

NOT FOR PUBLICATION OR DISTRIBUTION IN THE UNITED STATES OF AMERICA, AUSTRA-LIA, CANADA, JAPAN, THE UNITED KINGDOM, OR THE EUROPEAN ECONOMIC AREA OR IN ANY OTHER JURISDICTION IN WHICH SUCH PUBLICATION OR DISTRIBUTION WOULD NOT BE IN COMPLIANCE WITH APPLICABLE LAWS AND REGULATIONS.

DOTTIKON ES Capital Increase - Books Are Fully Covered

• ƒ On Friday, March 5, 2021, DOTTIKON ES has already announced that all core shareholders of DOTTIKON ES with a participation over 5 percent have fully exercised their pre-emptive rights according to the rights exercise ratio in the prospectus

• ƒ Now books are fully covered

• ƒ Subscription period for pre-emptive rights for existing shareholders and bookbuilding peri-od for new shareholders to place orders for new registered shares of DOTTIKON ES through their banks ends Tuesday, March 9, 2021, 12:00 noon

DOTTIKON ES manufactures high-quality performance chemicals, intermediates, and exclusive active pharmaceutical ingredients (APIs) for the world's leading chemical, biotech, and pharma-ceutical industry. The company with its production site in Dottikon (Aargau, Switzerland) is spe-cialized 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 the innovative use of hazardous reactions, low-temperature and high-pressure chemistry, as well as continuous processing in order to challenge, tighten, or shorten conventional chemical synthe-sis routes, improve selectivities, yields, and purities, and reduce 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 rapid 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, clear and transparent data and process docu-mentation, and close customer communication.

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

Security number: 58258171 ISIN: CH0582581713

For further information please contact

Markus Blocher, Ph.D.

CEO

Dottikon ES Holding AG

Tel [phone] Fax [phone]

Disclaimer

This media release serves informational purposes and constitutes neither an offer to sell nor a solicitation or an advertisement to buy any shares of DOTTIKON ES HOLDING AG in any juris-diction. This media release does not constitute a prospectus within the meaning of Article 35 et seqq. of the Swiss Federal Act on Financial Services. Investors should base their decision to purchase or execute subscription rights or to purchase shares of DOTTIKON ES HOLDING AG exclusively on the official prospectus, which can be downloaded from the company's website (https://dottikon.com/dottikon-es-en/investors/capital-increase/) or is available free of charge in electronic form at Zürcher Kantonalbank, IHKT, P.O. Box, 8010 Zurich, Switzerland (Tel: [phone]; email:[e-mail]). The shares described in the prospectus are publicly offered in Switzerland only. In addition, investors should seek advice from their bank or their financial adviser.

This media release and the information contained therein are not being issued in the United States of America, Australia, Canada, Japan, the United Kingdom, or the European Economic Area and must not be distributed within or to such countries or via publications with a general circulation in such countries.

This media release contains forward-looking statements such as projections, forecasts, and estimates. Such forward-looking statements are subject to certain risks and uncertainties which may cause actual results, performance, or events to differ materially from those anticipated in this media release. Readers should therefore not rely on these forward-looking statements. The forward-looking statements contained in this media release are based on the views and assump-tions of DOTTIKON ES HOLDING AG as of this date and DOTTIKON ES HOLDING AG does not assume any obligation to update or revise this media release.