Séché Environnement: Activity as of September 30, 2025

About this update from Seche Environnement Sa

9M Contributed Revenue up +8% o/w +4% at constant scope and exchange rates Contributed Revenue target confirmed close to €1,180 million in 2025 CHANGÉ, France, October 28, 2025 --( BUSINESS WIRE )--Regulatory News: Séché Environnement (Paris:SCHP): Q3 2025 confirms the main trends that emerged at the start of the financial year, with activity remaining strong in France and internationally in the resilient markets of Hazard Management and Environmental Services. However, activity for the quarter remained impacted by the decline in Circular Economy activities in France and Spain. The period is also compared to the high base of Q3 2024. These elements enable Séché to confirm its revenue target for 2025. As of September 30, 2025, Séché Environnement posted contributed revenue of €857.4 million (vs. €791.4 million a year earlier), up +8.3% on a reported basis and +3.8% on a like-for-like basis 1 . The third quarter of 2025 confirmed the trends that emerged at the beginning of the year in France and internationally. The solid contribution from Hazard Management activities and the now more normative contribution from Services activities were significantly offset by the sharp decline in Circular Economy activities, particularly energy recovery in France and chemical purification in France and Spain. In addition, Q3 2025 compares with the demanding base of the same period in 2024. The French market thus posted a significant decline in activity of -6.7% (like-for-like), which was not offset by solid growth in international markets (+4.4% -like-for-like-). Overall, contributory revenue was down slightly by -2.9% (like-for-like) to €277.3 million. While Q4 2025 will once again represent a high comparison basis, the Group anticipates that these trends will continue for most of its activities and geographical areas and confirms its revenue target of around €1,180 million for the current financial year 2 . Comments on business performance in the third quarter of 2025 Séché Environnement published Q3 2025 consolidated revenue of €295.5 million, compared with €306.8 million a year earlier. The published revenue includes non-contributed revenue 3 of €18.2 million, compared with €20.5 million a year earlier, broken down as follows: There is no perimeter effect over the period (consolidation of Eco on July 1, 2024). The currency effect was negative at €0.7 million, compared with €0.6 million a year earlier. Net of non-contributing revenue, contributed revenue amounted to €277.3 million in Q3 2025, compared with €286.3 million a year earlier, marking a decline of -3.2% on a reported basis and -2.9% at constant exchange rates compared with the same period in 2024. This change reflects the significant contraction in Circular Economy activities in France and Spain, the return of Services activities to a more normative contribution, and the positive trend in Hazard Management activities in most geographical areas. Analysis by geographic area Consolidated data Q3 2024 revenue at constant exchange rates would have been €285.6 million, reflecting a negative currency effect of €(0.7) million over the period. The French market confirmed the strength of its Industrial and Local Authorities segments (excluding Circular Economy), while the international markets posted sustainable growth, albeit with varying situations depending on the subsidiary: Analysis by activity Consolidated data Services and Hazard Management activities (excluding the Non-hazardous Waste segment) supported business in the third quarter of 2025: Analysis by segment Consolidated data During Q3 2025, the segments recorded a slight decline, mainly due to circular economy activities: chemical purification in France and Spain for the hazardous waste sector and energy recovery in France for the non-hazardous waste sector. Outlook confirmed for 2025 The third quarter of 2025 confirms the resilience of Séché Environnement's industrial markets in France and internationally, excluding the circular economy. Regarding the local authority markets (12% of consolidated revenue in 2024), the Group, which is involved in France in essential municipal waste treatment activities, considers itself to be relatively unaffected by any changes in the investment policies of these governmental clienteles. For the coming months, Séché Environnement anticipates a continuation of the trends seen in the recent period. Séché Environnement assumes that energy sales prices will remain at current levels. Furthermore, energy sales revenue, subject to changes in market prices, is now residual, estimated at around €20 million for 2025. Regarding chemical purification activities, the Group has rolled out the production of new chemical molecules for a broader customer base in the biochemical, pharmaceutical, cosmetics, and other industries. These production activities should lead to improved momentum in these activities in 2026. While the fourth quarter of 2024 will once again be a strong basis for comparison, the Group expects a solid contribution of its Hazard Management activities in the coming months. This outlook allows Séché Environnement to confirm its target of €1,180 million in contributed revenue for the current financial year. Conference call A videoconference on the activity for the third quarter of 2025 will be held in French only on October 28 , 2025 , at 6:00 p.m. (CET). To participate in the conference by audio from a telephone : +33 (0)1 7099 5363 + Code 644 323 583 # A presentation is available from 5:35 p.m. (CET) on the Séché Environnement website: - in French: PowerPoint presentation - in English: PowerPoint Presentation A recording of the conference will be available on the Society's website at the same addresses. Upcoming events Consolidated results as of December 31, 2025: March 9, 2026 after market close About Séché Environnement Séché Environnement is a leading player in waste management, including the most complex and hazardous types, and environmental services, particularly in the event of environmental emergencies. Thanks to its expertise in creating circular economy loops, decarbonization, and hazard control, and its cutting-edge technologies developed by its R&D department, Séché Environnement has been contributing for nearly 40 years to the ecological transition of industries and territories, as well as to the protection of living organisms. A French family-owned industrial group, Séché Environnement supports its customers through its subsidiaries located in nine strategic countries and more than 120 sites around the world, including around 50 industrial sites in France. With some 7,300 employees, including around 3,000 in France, Séché Environnement generated revenue of €1,110.5 million in 2024, of which around 32% came from international operations. Séché Environnement has been listed on the Euronext Eurolist (compartment B) since November 27, 1997. The stock is included in the CAC Mid&Small, and EnterNext PEA-PME 150 indices. ISIN: FR 0000039139 – Bloomberg: SCHP.FP – Reuters: CCHE.PA Disclaimer This document is an AI translation of the original document written in French. Only the original version in French is authentic. This document may contain forward-looking information. This information represents either trends or objectives at the date of this document and should not be regarded as forecasts of results or any other performance indicators. This information is inherently subject to risks and uncertainties that are difficult to predict and generally beyond the Company's control, which may cause actual results and developments to differ significantly from the trends and objectives set forth. These risks include, but are not limited to, those described in the Company's Universal Registration Document available on its website ( www.groupe-seche.com ). This information therefore does not reflect the Company's future performance, which may differ significantly, and no guarantee can be given as to the achievement of these forward-looking statements. The Company makes no commitment to updating this information. More complete information about the Company can be found on its website ( www.groupe-seche.com ), under the heading "Regulated Information." This document does not constitute an offer of securities or a solicitation of an offer of securities in any state, including the United States. The distribution of this document may be subject to laws and regulations in force in France or abroad. People in possession of this document must inform themselves of these restrictions and comply with them. APPENDIX 1 D efinitions relating to contributory revenue IFRIC 12 revenue : investments made in assets under concession, re-invoiced to the Lessor and recognized as revenue in accordance with IFRIC 12 interpretation. TGAP : General Tax on Polluting Activities paid by waste producers and collected on behalf of the State by treatment operators. This tax is paid to the State and has no impact on operating margins. Its expected change between 2021 and 2025, which is both very significant and highly differentiated according to sector and type of treatment, leads to the recognition in published revenue of: Its restatement as non-contributed revenue has no impact on operating margins, particularly EBITDA. APPENDIX 2 Details of contributory revenue as of September 30, 2025 (9-month cumulative) Breakdown by geographic area Consolidated data Breakdown by activity Consolidated data Breakdown by segment Consolidated data 1 At constant scope and exchange rates. 2 See press release dated September 10, 2025. 3 See Appendix 1. View source version on businesswire.com: https://www.businesswire.com/news/home/20251028300060/en/ Contacts SÉCHÉ ENVIRONNEMENT Analyst/Investor Relations Manuel ANDERSEN Head of Investor Relations [email protected] +33 (0)1 53 21 53 60 Media Relations Anna JAEGY Head of Communication [email protected] +33 (0)1 53 21 53 53

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