PRESS RELEASE




Disclosure of trading in own shares between
September 29th and October 3rd, 2025

Paris, October 13, 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 September 29th and
October 3rd, 2025, with an objective of shares cancellation.

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

DERICHEBOURG 29/09/2025 FR0000053381 1 000 5,29875 CCXE

DERICHEBOURG 29/09/2025 FR0000053381 5 863 5,29611 XPAR

DERICHEBOURG 30/09/2025 FR0000053381 388 5,26046 AQEU

DERICHEBOURG 30/09/2025 FR0000053381 1 981 5,24957 CCXE

DERICHEBOURG 30/09/2025 FR0000053381 231 5,25299 TQEX

DERICHEBOURG 30/09/2025 FR0000053381 4 400 5,25055 XPAR

DERICHEBOURG 01/10/2025 FR0000053381 188 5,35436 AQEU

DERICHEBOURG 01/10/2025 FR0000053381 581 5,32702 CCXE

DERICHEBOURG 01/10/2025 FR0000053381 100 5,36 TQEX

DERICHEBOURG 01/10/2025 FR0000053381 4 931 5,36641 XPAR

DERICHEBOURG 02/10/2025 FR0000053381 200 5,48 AQEU

DERICHEBOURG 02/10/2025 FR0000053381 800 5,5075 CCXE

DERICHEBOURG 02/10/2025 FR0000053381 300 5,58167 TQEX

DERICHEBOURG 02/10/2025 FR0000053381 4 700 5,55935 XPAR

DERICHEBOURG 03/10/2025 FR0000053381 400 5,60 AQEU

DERICHEBOURG 03/10/2025 FR0000053381 1 000 5,62128 CCXE

DERICHEBOURG 03/10/2025 FR0000053381 300 5,60 TQEX

DERICHEBOURG 03/10/2025 FR0000053381 5 500 5,63301 XPAR

Total / average price 32 863 5,41746



1
PRESS RELEASE




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




2