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Corporate Social Responsibility Report - 2024.

Together for a cleaner air.

Deltrian International continues its sustainable transition by strengthening the commitments already presented in the 2023 CSR report. The indicators presented here are based on the 2023 perimeter, corresponding to the number of subsidiaries and operational sites at that time. Figures may be adjusted as the Group evolves and new certifications are achieved. This 2024 report integrates recent policies and initiatives, illustrating both the continuity and the progress of our sustainability journey.

Dear partners,

Behind every filter we produce, there is a story — a story of people, of responsibility,and of purpose. At Deltrian, we see sustainability not as an obligation, but as a collective mission to makethe air we breathe — and the world we live in — cleaner, safer, and fairer. 2024 has been a year of shared progress: new renewable energy projects, stronger employee engagement, and innovations that help our clients reduce their environmental footprint. But what truly makes the difference is our people. Their commitment, ideas, and sense of responsibility are what drive our progress. Together, we are building a culture where sustainability is lived every day, in every action and decision.

Thank you for your trust and for walking this path with us — toward a future where performance and purpose move in the same direction.

Rudolf Svrcina
Chief Executive Officer – C.E.O.

Read the full report
Environmental awareness.

At Deltrian, we continuously work to improve the environmental performance of our operations, processes, and products — reducing our footprint at every stage.

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In 2024, 87.5% of our production sites were ISO 14001 certified, ensuring full compliance with international environmental management standards.

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Installation of new solar panels in Belgium and Lithuania, bringing the Group’s total capacity to over 700 units.

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Human Rights - Social Responsability.

At Deltrian, we believe that people are the foundation of our success.

Respect for human rights, equality of opportunity, and workplace safety are at the core of our culture and policies. Through our 2025 Ethics and Sustainability Code, Deltrian reinforces its commitment to fair working conditions and a healthy work environment across all subsidiaries and production sites.

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Caring for people, ensuring fairness.

Our 2024 - 2026 Commitments.

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Ensure a living wage for all employees, with regular benchmarking in each country

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Increase the proportion of women in management positions

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Train all new employees on CSR policies and values

Ethics & Integrity.

At Deltrian, integrity is not an option — it is the foundation of our culture and the guiding principle behind every decision, partnership, and interaction.

Integrity Alert Line – Updated in 2024

In line with the EU Whistleblowing Directive and the GDPR, Deltrian has implemented a secure and confidential Integrity Alert Line. This channel allows employees, suppliers, and partners to report ethical concerns or breaches anonymously and without fear of retaliation.

  • Reports are acknowledged within 7 working days and investigated within 30 days by the Compliance Officer and the Legal Department.
  • Each subsidiary has appointed a local ethics contact person to ensure equal treatment and confidentiality.
  • All incidents are recorded, analyzed, and reviewed for continuous improvement.

Integrity at Deltrian means creating an environment of trust, where everyone can speak up safely and responsibly

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Sustainable Procurement.

At Deltrian, we believe that sustainability begins long before production, it starts with the materials we choose and the partners we work with.

Our procurement policy aims to create shared value, balancing economic performance with ethical integrity and environmental responsibility.

Suppliers are selected based on objective and measurable criteria:

  • Quality
  • Cost
  • Environmental impact
  • Respect for human rights
  • Social ethics
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Our 2024 - 2027 Commitments

We expect all partners to uphold our values of integrity, transparency, and sustainability, as defined in the 2025 Code of Ethics and Sustainability and the Group’s Responsible Purchasing Charter.

65%

Have all Tier-1 suppliers sign the Responsible Purchasing Charter.

100%

Evaluate 100% of strategic suppliers against sustainability (environmental, social, ethical) criteria.

80%

Conduct sustainability audits for high-risk suppliers.

Transparency through measurement

EPD - Our filters benefiting from an EPD : Environmentale Product Declarations.

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NW

NW offre la meilleure capacité énergétique et une durée de vie plus longue. Cela vous permet d'économiser à tous les niveaux.

Filtres à poches

TNWES-1-70

Les nouveaux filtres Top New Wave Energy Saving, plus courts pour un respect total des normes sanitaires.

Filtres à poches

RPV ES

Notre exécution Energy Saving du filtre rigide RPV vous permet de réaliser des économies d'énergie.

Filtres compacts et rigides

TNWES-1-90

Les nouveaux filtres Top New Wave Energy Saving, plus courts pour un respect total des normes sanitaires.

Filtres à poches

Discover our filters
Privacy & Cybersecurity.

Protecting data, strengthening trust.

Trust is at the heart of our relationships with customers, partners, and employees.

At Deltrian, privacy and cybersecurity are not just legal requirements — they are part of our corporate culture and our social responsibility.

In line with the General Data Protection Regulation (GDPR – EU Regulation 2016/679) and applicable national data protection frameworks, Deltrian is committed to protecting all personal data it processes — whether relating to employees, clients, or partners.

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Look Ahead – 2025 and beyond.

Building on the solid foundations laid in 2024, Deltrian will continue to strengthen its sustainability performance across all subsidiaries.

Our roadmap for the coming years is clear: to further reduce our environmental footprint while enhancing transparency, innovation, and social responsibility.

Key focus areas will include:

  • Completing the Scope 3 carbon footprint assessment across all production sites.
  • Increasing the share of renewable energy and improving energy efficiency.
  • Expanding CSR, ethics, and cybersecurity training to reach 100% of employees.
  • Extending the Responsible Purchasing Charter to all strategic suppliers.
  • Promoting well-being, diversity, and inclusion at every level of the Group.