OTI Greentech AG postpones publication of Annual Report and Annual General Meeting for fiscal year 2021

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DGAP-Ad-hoc: OTI Greentech AG / Key word(s): Annual Report/AGM/EGM OTI Greentech AG postpones publication of Annual Report and Annual General Meeting for fiscal year 2021 28-Jul-2022 / 09:55 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.

Publication of an insider information according to Article 17 MAR

OTI Greentech AG postpones publication of Annual Report and Annual General Meeting for fiscal year 2021

Berlin, July 28, 2022 – The Management and Supervisory Board of OTI Greentech AG (ISIN DE000A2TSL22), an international supplier of innovative and sustainable chemicals and services for industry listed on the Düsseldorf Stock Exchange, have decided to postpone the planned publication of the annual financial statements and consolidated financial statements for fiscal year 2021 from July 29 to August 31, 2022. The Annual General Meeting will be moved from September 23, 2022 to October 20, 2022.

The reason for the new schedule is the increased audit effort due to the first-time consolidation of the subsidiary KMI Cleaning Solutions, Inc., acquired in 2021.

The new dates are listed in the financial calendar of OTI Greentech AG under www.oti.ag/investor-relations/.

Contact:

OTI Greentech AG Dr. John C. Kisalus, CEO [email protected] Tel. +49 30 814 524 69 Friedrichstraße 79 10117 Berlin

edicto GmbH Dr. Sönke Knop [email protected] Tel. +49 69 905505-51 Eschersheimer Landstr. 42-44 60322 Frankfurt

28-Jul-2022 CET/CEST The DGAP Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases.Archive at www.dgap.de

1407915  28-Jul-2022 CET/CEST