PRESS RELEASE




Disclosure of trading in own shares between
October 6th and October 10th, 2025

Paris, October 21, 2025 - Derichebourg (ISIN code: FR000053381, Mnémo: DBG)



In accordance with applicable regulation, DERICHEBOURG discloses the following own shares
purchases under conditions of article 5 §2 of regulation (UE) n°596/2014 between October 6th and
October 10th, 2025, with an objective of shares cancellation.



Aggregated daily Daily weighted
Identification code
Day of volume (in average price of Market (MIC
Name of issuer of financial
transaction number of the purchased Code)
instrument
shares) shares


DERICHEBOURG 06/10/2025 FR0000053381 500 5,594 CCXE

DERICHEBOURG 06/10/2025 FR0000053381 4 700 5,7284 XPAR

DERICHEBOURG 07/10/2025 FR0000053381 200 5,6875 AQEU

DERICHEBOURG 07/10/2025 FR0000053381 1 000 5,6825 CCXE

DERICHEBOURG 07/10/2025 FR0000053381 200 5,675 TQEX

DERICHEBOURG 07/10/2025 FR0000053381 3 968 5,72393 XPAR

DERICHEBOURG 08/10/2025 FR0000053381 200 5,795 AQEU

DERICHEBOURG 08/10/2025 FR0000053381 1 000 5,797 CCXE

DERICHEBOURG 08/10/2025 FR0000053381 200 5,79 TQEX

DERICHEBOURG 08/10/2025 FR0000053381 4 032 5,81438 XPAR

DERICHEBOURG 09/10/2025 FR0000053381 400 5,935 AQEU

DERICHEBOURG 09/10/2025 FR0000053381 2 200 5,90227 CCXE

DERICHEBOURG 09/10/2025 FR0000053381 250 5,935 TQEX

DERICHEBOURG 09/10/2025 FR0000053381 2 550 5,89794 XPAR

DERICHEBOURG 10/10/2025 FR0000053381 300 6,02 AQEU

DERICHEBOURG 10/10/2025 FR0000053381 1 500 6,06667 CCXE

DERICHEBOURG 10/10/2025 FR0000053381 200 6,02 TQEX



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PRESS RELEASE




DERICHEBOURG 10/10/2025 FR0000053381 3 400 6,05048 XPAR
Total / average
26 800 5,83992
price




More details are available on:

- Derichebourg website www.derichebourg.com Investors/Regulated Information/ Own shares
purchases

https://www.derichebourg.com/en/home/investors/regulated-information



About Derichebourg

The Derichebourg Group is a major operator in environmental, business and public authorities
services. The Group is present in 13 countries and has 5,559 employees worldwide. In 2024, the
Derichebourg Group's revenue totaled 3.6 billion Euros.
For more information: www.derichebourg.com




Contacts

Derichebourg NewCap
Investors Relations and Communication Investors Relations
communication@derichebourg.com Louis-Victor Delouvrier/ Théo Martin
derichebourg@newcap.eu
T. : 33 1 44 71 94 94




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