DERICHEBOURG - Universal registration document 2019-2020

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Further information Communication with institutional investors and individual shareholders

Date

Document

April 10, 2020 April 23, 2020 May 25, 2020 May 26, 2020 May 26, 2020 May 26, 2020 July 22, 2020 July 24, 2020 August 6, 2020

Update on the impacts of the Covid-19 crisis on the Derichebourg Group's business activity

Monthly information on total number of voting rights and shares comprising share capital as of March 31, 2020 Monthly information on total number of voting rights and shares comprising share capital as of April 30, 2020

Results of the first half of 2019-2020

Half-year financial report as at March 31, 2020 Presentation to financial analysts on May 26, 2020

Monthly information on total number of voting rights and shares comprising share capital as of May 31, 2020 Monthly information on total number of voting rights and shares comprising share capital as of June 30, 2020 Saur and Derichebourg announce a strategic partnership focusing on services to local authorities in the water and sanitation sector

September 8, 2020 September 9, 2020 September 24, 2020 September 30, 2020 September 30, 2020

Autumn 2020 Investor Presentation

Derichebourg Canada Environment wins 5 contracts in Quebec for more responsible collection

Monthly information on total number of voting rights and shares comprising share capital as of January 31, 2020

Interview with Mr. El Aoufir: market situation and post-COVID recovery

Monthly information on total number of voting rights and shares comprising share capital as of August 31, 2020 Information notice relating to the conclusion of a related-party agreement pursuant to Article L. 225-40-2 of the French Commercial Code

October 1, 2020

November 2, 2020

Derichebourg Environnement wins a collection contract for the Caen-la-Mer urban Community

Information published inthe MandatoryLegal Announcements Bulletin(“BALO”)

Date of publication

Document

December 27, 2019 January 15, 2020 February 14, 2020

Notice of meeting/Notice of convening of shareholders’ combined general meeting on January 31, 2020 Notice of meeting/Notice of convening of shareholders’ combined general meeting on January 31, 2020 Notice of approval of the consolidated and parent company financial statements for the year ended September 30, 2019

to publishquarterlyfinancial information,the Grouphas decidednot to publishquarterly information,most notablybecausethe volatilityof the EnvironmentalServices business requires a somewhatlonger horizon to evaluatechanges in figures.

Update on quarterly financial 6.7.4 information

Following the publicationon February 3,2015 by the French securities regulatorof a recommendationregardingthe removal of the obligation

DERICHEBOURG p 2019/2020 Universal Registration Document 234