ZG Sustainability Report

Zumtobel Group's Sustainability Report for 2025 | 26.

WE LIVE LIGHT

we care about the future

Sustainability Report 2025 | 26

SUSTAINABILITY REPORT

2025 | 2026

COMMITMENT

003

THE COMPANY

005

019

GUIDING LIGHT

029

GENERAL STATEMENTS [ESRS 2]

061

ENVIRONMENT

113

SOCIAL

157

GOVERNANCE

165

APPENDIX

COMMITMENT ZUMTOBEL GROUP

The 2025/26 Sustainability Report opens with an interview with CEO Alfred Felder and Sustainability Director Sebastian Gann. Together, they discuss current trends and the progress made, reflect on the five-year history of the Zumtobel Group’s sustainability goals, and look ahead to future plans.

CEO Alfred FeldeR

Sustainability Director Sebastian Gann

To get started: the lighting management platform LightingGO features on the cover of this year’s sustainability report. What’s the story behind it? Alfred Felder: LightingGO is an essential instrument for sustainability. The system brings the expertise of the Zumtobel Group together with its brands Zumtobel, Thorn and Tridonic, whilst also reflecting our sus- tainability goals of reducing emissions, pro- moting a circular economy and developing sustainable partnerships. At the heart of this are intelligent drivers, such as those from Tridonic: They enable the transfer of data – including data that, for example, allows the use of luminaires to be optimised, enabling a reduction of energy consumption. They also increasingly provide data that offers insights into the condition of the luminaire, meaning maintenance or repairs can be planned in advance and consequently extending its

service life. Overall, this integrated solution supports our customers and partners in meeting the rising demands for energy efficiency, decarbonisation and building performance.

What can readers expect from this year’s sustainability report?

Sebastian Gann: The report highlights our progress. It shows that every single measure contributes to the bigger picture and that we are continuously moving towards a more sustainable future. Examples of our progress are lighting management systems, that allow already energy-efficient luminaires to be operated even more energy-efficiently, or our portfolio of circular services, which now of- fers a remanufacturing option. By remanufac- turing luminaires in this way, we have created a further opportunity to close the cycle. The Zumtobel Group reports on achievements

COMMITMENT

sustainability within the company. First ideas have become processes, and individual initiatives have become binding standards. With our SBTi-validated climate roadmap, the Circular Design Rules, digital data structures and our first circular services, such as refurbishment and remanufacturing, we have built a sound foundation. Today, we have the tools, expertise and partnerships to take the next steps in our development. In the future, sustainability data, processes and solutions are to be systematically digiti- sed and automated to meet both regulatory requirements and customer demands with a high level of efficiency. We have learnt that regulatory requirements can also lead to opportunities for innovation that help our customers become more efficient and future-proof. Developments such as these shape our three sustainability goals, which will continue to guide us in the future. What trends are you currently observing in the field of sustainability, and where is the Zumtobel Group's journey headed? AF: Sustainability is becoming increasingly data-driven and connected. Lighting ma- nagement systems such as LightingGO, the requirements of the EPBD, digital product information and circular business models such as remanufacturing demonstrate just how closely sustainability, digitalisation and innovation are now linked. It is no longer just a matter of creating transparency: data helps us to use energy more efficiently, make the most of resources for longer and develop new added value for customers. This is precisely where I see one of the most important opportunities for the future. The combination of digitalisation, energy efficien- cy and resource efficiency opens up new solutions, services and business models. We want to realise this potential together – with our employees, customers and partners. Only by working together can we continue to build a sustainable future.

such as these in line with the ESRS (Euro- pean Sustainability Reporting Standard) – as part of this, we assess the impacts, risks and opportunities that affect us. We also evaluate all sustainability aspects relevant to the Zum- tobel Group as part of our double materiality analysis. Mr Felder, the 2025/26 financial year was challenging in both economic and geopolitical terms. Despite this, there were some great achievements in the area of sustainability – what was your highlight? AF: The highlight at the start of the year was without doubt the renewed recognition of our sustainably designed exhibition space at Light + Building 2026. It is always impressive to see that so many elements of our exhi- bition stand have either already been used or will be reused afterwards, resulting in a reduced environmental footprint. Another highlight worth mentioning is the lighting so- lution from our Zumtobel and Thorn brands, which ensures high energy efficiency and sustainable use: we have set new standards in the retail sector at PENNY’s store in Wei- den, Austria, where sustainability is addres- sed as a whole. Finally, as a great end to the financial year, our Group-wide sustainability performance was recognised for the first time with the highest award of a Platinum medal by the independent sustainability platform EcoVadis. Before looking ahead, let’s take a look back: for five years now, the Zumtobel Group has been working towards its sustainability goals of Net-Zero, Circular Economy and being a Partner of Choice. What foundations have been built in the dynamic field of sustainability to ensure continued success over the next five years? SG: Over the past five years, our Sustai- nability Team, together with the specialist departments, has created the conditions necessary to systematically establish

THE COMPANY ZUMTOBEL GROUP IN DETAIL

luminaires and lighting solutions with its Thorn and Zumtobel brands. The Zumtobel Group’s service offering is one of the most extensive in the entire lighting industry and increasingly addresses customers’ comple- te requirements across the entire project life cycle. Included here are consulting on intelligent lighting management and emer- gency lighting, light contracting, design, project management for turnkey lighting solutions, and new services for smart buil- ding solutions. Partnerships and coopera- tions – for example with Siemens, ABB and Legrand – expand the range of opportunities for intelligent connectivity and data-based applications through integration in buil- ding systems, but also make an important contribution to the realisation of integrated smart space and smart city concepts. Ap- plications represent the focal point for both the Lighting Segment and the Components Segment. Indoor includes applications for industry (incl. logistics, halls and car parks), offices, education and health (incl. hospitals, schools and universities) as well as the retail trade (incl. supermarkets, home furnishing stores and high-end brand retail), art & culture (incl. museums and galleries) and exhibition areas (incl. gastronomy). Outdoor addresses applications for roads, tunnels, sport facilities and exterior lighting for public areas, including facade lighting. Services cover all project and software-oriented acti- vities. These application-based areas define the product portfolio and are also reflected in the sales organisation.

The Zumtobel Group is an international light- ing corporation and leading provider of inno- vative lighting solutions, lighting components and related services which was founded in Dornbirn, Vorarlberg (Austria) in 1950. This listed company operates eight production plants worldwide with sales offices and partners in roughly 90 countries. The Group employed a workforce of around 5,070 as of 30 April 2026 and generated revenues of EUR 1,040.4 million in the 2025/26 financial year. The founding Zumtobel family has served as a stable core shareholder since the IPO in 2006 and held roughly 36.16% of share capital as of 30 April 2026. With its core brands – Thorn, Tridonic and Zumtobel – the Group offers its customers a wide-ranging portfolio of products and ser- vices. The Zumtobel Group consists of two operating segments which form the basis for corporate management: the Components Segment and the Lighting Segment. Each segment has its own global sales, product portfolio, R&D, logistics & supply chain and production organisation. Tridonic, the components brand, forms the basis for the Group’s leading role in the production of hardware and software for lighting systems (LED modules, LED drivers, controls, sensors, emergency lighting and lighting systems management).

In the Lighting Segment, the company is one of the European market leaders for

COMPANY

COMPONENT SEGMENT

LIGHTING SEGMENT

Global sales

Smart Building Solutions

Global operations

Logistics & supply chain

Global purchasing

Corporate functions

COMPONENT SEGMENT

LIGHTING SEGMENT

Smart Building Solutions

Indoor & Outdoor

Indoor

Partnerships

LED modules

Luminaires

LED drivers

Services

Emergency controls

Lighting solutions

Lighting controls and connectivity

Value Chain

Simplified illustration [as of 30. April 2026]

optimise product costs. Products for both the Lighting Segment and the Components Segment are produced in individual areas at Dornbirn, Niš and Spennymoor in separate areas and under separate organisation and management. Lemgo serves as the compe- tence centre for the production of spot and downlights, while Shenzhen manufactures components for standard applications. The Zumtobel Group operated eight plants worldwide as of 30 April 2026.

The sales organisation reflects the two segments and their different sales channels. In the Components Segment, this involves OEM sales (Original Equipment Manu- facturer) to luminaire producers, sales via distributors and online sales as well as the sale of innovative and intelligent solutions to electrical and system planners. Sales in the Lighting Segment are project-based and cover construction projects and the related target groups (e.g. architects, lighting and electrical planners, contractors and deve- lopers), sales through retail channels, and direct sales to large customers and public contracting entities. Lighting solutions are also sold over special online sales channels. The Zumtobel Group is committed to sus- tainable business operations and, through its solutions, to helping its customers more easily reach their sustainability goals. Zumtobel Group AG serves as the parent company of the Group and provides nume- rous corporate management and service functions for the brands. These central functions include finance, human resources, legal, audit & compliance, insurance, sustainability, IT and process management, information security and data protection, strategy and transformation projects, corporate procurement as well as corporate communications and investor relations

Market position and brand positioning

The Zumtobel Group is active worldwide, but Europe remains the most important mar- ket with around 85% of total revenues. The professional lighting industry in Europe is highly fragmented but the Zumtobel Group holds a strong position with its international- ly established Zumtobel and Thorn lighting brands: The market share in Europe equals roughly 7%. The worldwide components industry, in contrast, is characterised by greater consolidation. With its Tridonic com- ponents brand, the Zumtobel Group also holds a leading position in lighting manage- ment and control gears. Tridonic, the Group‘s technology brand, supports customers with intelligent hard- ware and software solutions. With roughly 1,800 patents, it is a global innovation driver for light-based network technology and the development of scalable solutions that support the development, among others, of new business models for lighting producers, building managers and system integrators. Tridonic is not only active in the production of components and system solutions for the Group’s lighting brands, but it also serves as an OEM supplier for luminaire producers and projects throughout the world and ge- nerates around 80% of its revenues outside the Zumtobel Group. The brand’s innovative strength is also demonstrated by a recent award from the Digital Illumination Interface Alliance.

Products and production locations

The Zumtobel Group’s business model co- vers all key areas of the professional lighting value chain – from components, luminaires and light management systems to complete lighting solutions, services and smart buil- ding solutions. The Zumtobel Group’s lighting and com- ponents plants are organised in a global production network. Management relies on lean management, the automation of business processes, and the use of location specific cost advantages to continuously

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Components Segment 4 Produktionsstätten

Lighting Segment 4 Produktionsstätten

COMPONENTS SEGMENT

LIGHTING SEGMENT

Dornbirn, AT

Niš, RS

Lemgo, DE

Shenzhen, CN

Niš, RS

Spennymoor, UK

Production network of Zumtobel Group [as of 30. April 2026]

These intelligent systems are increasingly forming the core of the service offering where they support smarter, more efficient and more sustainable lighting solutions. The offering is directed to professional electri- cians, installers, planners and operators as well as light designers, urban developers and municipalities. Thorn solutions are found in and around buildings, educational and healthcare facilities and the retail trade as well as urban areas, streets and tunnels, architecture and sport venues. One import- ant goal is the protection of the nighttime sky with the help of so-called dark sky friendly solutions, and Thorn has extensive know-how and certifications in this area. Its position as a leading provider of lighting solutions is underscored by iconic projects like UNESCO world heritage sites, Olympic sport facilities and large-scale lighting net- works in metropolises throughout the world. This standing is also reflected in internatio- nal partnerships and awards, including FIFA accreditation and Red Dot Design Awards for exterior lighting.

At the international Dali Lighting Awards in 2026, Tridonic was recognised in two inno- vation categories: “Best Emergency Lighting Integration“ and “Sustainability & Energy Efficiency“. Designing innovative, high-quality lighting solutions for every situation is the mission and passion of the Zumtobel brand. The right lighting in the right context creates at- mosphere and can have a positive influence on the quality of life. The Zumtobel portfolio includes innovative and sustainable lighting solutions and high quality luminaires for interiors that are optimised for the specific area of application to meet people’s needs (Human Centric Lighting). Other product areas address applications in intelligent lighting management and emergency systems. The most important applications for these solutions are industry, education, office, retail, gastronomy, healthcare, and art and culture. Valuable impulses for the further development of the portfolio are created not only through the Zumtobel Group’s own internal research and develop- ment, but also by long-standing coopera- tion with leading international architects, lighting planners, designers and artists as well as external partners in the project business. Zumtobel combined technological excellence with a deep understanding for architecture and design to continuously im- prove the aesthetics of light and, in doing so, strike out in new directions. This conviction is illustrated, among others, by the PANOS III luminaire family and Zumtobel EDITIONS. The TALUNA and SKENA luminaires recei- ved the Red Dot Design Award in 2026 for their outstanding product design. Thorn is a leading quality supplier of pro- fessional solutions for indoor and outdoor lighting and stands for high performance, cost efficiency and particularly user-friendly lighting systems. Its broad production spec- trum is complemented by groundbreaking technologies that are focused on customers’ current and future requirements.

Key success factors for the Zumtobel Group

The Zumtobel Group’s leading competitive position is based primarily on three strong brands with widely diversified market access, extensive know-how in lighting ap- plications and a clear technological advan- tage in individual areas. In order to optimally address the various markets, the group has created so-called sales regions – D/A/CH, Europe-West/South, Europe-North/East, and Overseas/Americas/Asia/MEA. The sales function had nearly 1,700 employees in 2025/26, whereby 1,400 employees work for the Lighting Segment and 265 employees for the Components Segment. The design of a customer-specific lighting solution requires extensive knowledge of the product portfolio, the innovative technologi- cal developments and the specific lighting application.

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flexibly. The currently visible transformation along the value chain towards smart building ecosystems is a key requirement to sus- tainably strengthen the Zumtobel Group’s competitive position, develop new revenue sources and further expand long-term customer relationships. With its clear brand architecture, the Zumtobel Group is optimal- ly positioned for this transformation. The Smart Building Solutions Division consolidates the product and lighting solution portfolios. The Keyture software platform forms the technological backbone for smart space applications. This modular, multifunctional solution in combination with intelligent sensors supports, among others, maximum energy savings, the data-based maintenance and monitoring of sustainabi- lity goals, real-time space optimisation, the asset tracking of objects, and the monitoring of environmental factors and operational excellence. Partnerships and cooperati- ons – for example with Siemens, ABB and Legrand – were also established to further strengthen and standardise the integration in higher-level building management and automation systems.

The Zumtobel Group sales staff must therefore understand – and be able to convey – not only the technical and func- tional aspects of light and the impact on energy consumption, but also the aesthetic and emotional implications and the positi- ve influence of good lighting on the user’s sense of well-being. Accordingly, detailed and wide-ranging education programmes and continuous training are decisive for the quality of sales. “Launch windows“ are held by the brand product managers twice each year to familiarise their sales colleagues with the latest product developments in the associated lighting applications. In these programmes, the launch managers work closely with the interdepartmental teams to present the benefits and availability of the new products. An extensive patent portfolio and close collaboration with international light design partners and architects underscores the company’s innovative power. A total of EUR 73.6 million was invested in research and development (R&D) during 2025/26 to safeguard the Zumtobel Group’s leading technological position. Today’s challenges include the further development of LED- based lighting quality, rapid digitalisation and the increasing complexity of intelligent lighting systems. The focus is also steadily shifting from the product to complete lighting solutions which offer tangible customer benefits. There is a growing demand for complete, scalable and service-oriented solutions that can be easily integrated in existing infrastructures and deliver measurable added value in operations – for example through energy sa- vings, optimised room usage or data-based services. Connectivity and IoT are the main enablers here: They support the integration of products in higher level platforms, the generation and analysis of data, and the de- sign of new data-based services. Innovation cycles are significantly shortened because functions can be developed faster and more

Structural revenue drivers for professio- nal lighting

LED-based lighting solutions with motion and daylight sensors can reduce electricity consumption by up to 80% compared with conventional systems. Legal regulations are increasingly turn- ing to sensor-based, automated lighting management as a requirement for data- based optimisation. Additional functions like real-time energy monitoring or remote maintenance will increase transparency for users and reduce operating costs for facility managers. State-of-the-art lighting control equipment with cloud architecture and wireless communications also facilitate the integration of further sensors and actuators. This, in turn, will support new functions and business models – – for example, the tra- cking of persons and assets over the lighting network, the preparation of heat maps or the measurement of environmental parameters like the air quality and temperature. In this way, energy consumption and comfort can be optimised throughout the entire building and customer benefits will increase. Sustainability is currently influenced by a dynamic regulatory environment. However, this business area also offers new opportu- nities for innovative services and business models – especially in combination with di- gitalisation – which are economically viable because they create both clear customer and ecological benefits. New regulatory requirements are increa- singly calling for the data-based optimisation of building operations through sensor-ba- sed, automated lighting management sys- tems. New buildings and larger renovation projects must disclose their global warming potential (GWP), whereby the goal is to minimise emissions over the entire lifecycle. Data that includes environmental product declarations (EPDs) are becoming a central added value.

Construction activity – both new construc- tion as well as the refurbishment of existing buildings – is one of the main revenue drivers for professional lighting. New cons- truction is almost always focused on the ins- tallation of new lighting, while refurbishment creates a variety of opportunities for the modernisation of lighting systems. These systems help to reduce energy consumption and form the basis for a business case with a positive return on investment (ROI). The Zumtobel Group’s portfolio supports the following alternatives:

•

The conversion of existing lighting through so-called retrofit kits, which involve the replacement of the lighting sources with LED technology as well as the appearance and control electronics.

•

The replacement and installation of new LED luminaires.

•

A remanufacturing service was intro- duced for certain product lines: After a defined operating period, the luminaries can be reconditioned and installed for further use.

The market potential for lighting solutions in Europe is based on roughly two-third of refurbishment measures and only one-third of new construction. This potential can be quantified by comparing construction volumes and lighting volumes. Key factors for future structural revenue drivers are the efficiency gains between older and newer lighting equipment and the resulting energy cost savings. The extent of the energy cost savings is dependent not only on the energy efficiency of the luminaire but also on the use of intelligent lighting systems.

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issues involving human resources. This tool provides fast answers based on an exten- sive knowledge database and encourages independence.

In addition to the growing demand for fu- ture-oriented, energy-efficient solutions and complete systems, attention is turning to the materials used – whether previously recyc- led or created through remanufacturing. New circular business models can also reduce costs, raw material requirements and emissions. The first related projects were started and services were implemented during the past financial year to demonstrate the potential and possible distinguishing features of these solutions. The Zumtobel Group’s digital transformation is directed to creating sustainable added value for its stakeholders along the value chain. The key elements include data-driven and AI-supported business models, tools and processes. Intelligent lighting manage- ment systems like Zumtobel lightingGO and the IoT system Keyture act as sustainability enablers and drivers for energy efficiency and data transparency – they are the key to intelligent lighting and create additional ap- plication possibilities for the lighting group’s customers. The new, recently launched Zumtobel and Thorn websites will further strengthen digital customer contacts. With their intuitive handling and greater focus on an outstanding user experience, they create the best possible digital feeling over the entire product and service portfolio. Simplified, automated or AI-supported tools and systems not only empower the Zum- tobel Group’s customers and partners, but also the company’s employees. Based on AI and behavioural economics, the “sales coach” installed during the reporting year provides support through data-based, indivi- dualised feedback. The internal chatbot PIA, the “People Information Agent“, is available to the Zumtobel Group’s employees for

The corporate strategy: FOCUSED[+]

Against the backdrop of a still challenging market environment that is influenced by global uncertainty and a weak economy, the Zumtobel Group continued to consistently implement its FOCUSED[+] strategy and introduced further refinements in key areas. This strategy addresses current economic and geopolitical conditions while further consolidating our activities around smart, sustainable building infrastructure. The objective is to build on our strong founda- tion, expand our competitive position over the long term and position the company securely for the future in light of the in- creasing digitalisation of buildings and the rapidly expanding sustainability demands from legislators and customers. Central strategic elements were further developed in 2025/26: We strengthened our focus on attractive markets, improved our operating excellence, drove innovation and intensified the cooperation of the three strong brands under a single umbrella. These efforts represent the essential building blocks of the foundation to respond flexibly to market changes, effectively utilise opportunities and become more resilient.

COMPETENCE AND INNOVATION AS KEY DIFFERENTIATOR

FOCUS ON KEY MARKETS AND APPLICATIONS

Innovation remains our most important differentiation factor. We have significantly expanded our expertise, especially in the areas of sensors, miniaturisation and system integration. The seamless integration of components, hardware, firmware and soft- ware forms the basis for high-performance, IoT-compatible lighting solutions.

The European core markets and profitable applications represent our main focal points. In the indoor segment, they include industry, office & education, retail, healthcare, and art & culture. In the outdoor area, we concen- trate on lighting for urban areas and streets as well as architectural and sports lighting. This focus also includes a reduction of our activities in less attractive markets and segments.

UNIQUE BRANDS UNDER ONE ROOF

OPERATIONAL EXCELLENCE

With Tridonic, Thorn and Zumtobel, we co- ver all major parts of the value chain – from components to connected lighting solutions. Every brand has a clear, independent profile and complements the others.

The continuous optimisation of product and process quality as well as cost structures along the entire value chain creates a secure foundation for reliable deliveries, customer proximity and sustainable production – supported by our own plants and a strong international supplier network. Our AI stra- tegy includes the targeted use of artificial intelligence throughout the value chain – from sales and service to administrative processes and production. The application areas include, among others, AI-supported sales forecasts, intelligent service chatbots, automated document processing and visual quality controls in production.

SMART SOLUTIONS AND SERVICES

We are continuously expanding our offe- ring of individual products up to integrated, data-based solutions and services. The new Smart Building Solutions Division bundles this expertise. With strategic partnerships (Siemens and ABB as well as Legrand since March 2026) and the Keyture software solution, we create complete smart space solutions and new customer experiences.

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The focus is increasingly shifting from the product to concrete customer benefits. The decisive factor is the added value created by solutions in actual operations – for example, through energy savings, better space usage or data-based services. Connectivity and IoT are the primary ena- blers for this development. They support the integration in platforms, data applica- tions and new business models. However, customers‘ requirements are increasing at the same time: There is a growing demand for complete, scalable solutions that can be smoothly integrated and deliver measurable results. Sustainability remains a central driver. Energy efficiency, resource conservation and circular business models have become decisive factors for investment decisions.

ENVIRONMENT AND ENGAGED EMPLOYEES

Sustainability is a fixed part of our strate- gy. We reduce emissions, anchor circular economy principles and actively support our customers in reaching their ESG goals. At the same time, we create a working en- vironment that promotes commitment and personal development.

DIGITAL PROCESS TRANSFORMATION

The digital transformation has spread to all areas of the business – from product development to production, services and customer interfaces. Cloud technologies, responsive working methods and AI-suppor- ted analyses help us to accelerate proces- ses and develop new business models. This improves process efficiency, makes quality and decision-making capabilities measura- ble and strengthens our data-driven working procedures. Our competitive advantage lies in consequent implementation: Successful AI-applications are transferred to operating processes in a structured manner, scaled across the company and, through our part- ner approach, refined with a focus on both goals and risks.

An efficiency programme to protect the competitive position

The Zumtobel Group’s corporate strate- gy includes a comprehensive efficiency programme which is designed to strengthen operating efficiency and sustainably improve the competitive position. All areas are analy- sed in detail – from sales and administration (SG&A) to operations, procurement, and research & development – and a global pa- ckage of measures is under development for implementation by the end of the 2028/29 financial year.

• The Zumtobel Group is now able to address additional market potential through the conti- nuing development of its strategic orientation along the value chain towards smart building ecosystems. • The technology brand Tridonic is and will remain the innovation leader for components and sensors and will shape the future with consistent investments in research and de- velopment as well as the technology related to sensor-based lighting.

• The aim of the flagship brand Zumtobel is to achieve and maintain a position as Europe’s leading provider of multi-application, circular economy, and cleantech solutions.

• With the leading international brand Thorn, the Zumtobel Group can address a very broad customer base in the professional lighting business with its coordinated indoor and out- door solutions. • The new Smart Buildings Solutions (SBS) Division consolidated the product portfolio. Keyture, the new innovative software solution, will support the development of new smart space applications and offer customers a holistic service experience.

• Against this background, strategic partnerships have also been established with Siemens, ABB and Legrand.

In view of these trends, we see the transformation to integrated solutions and services as an essential requirement to sustainably strengthen our competitive position, develop new revenue sources and further expand our long-term customer relationships.

Strategy implementation in our brands

We are expanding the position of TRIDONIC as a leading sustainable lighting technology part- ner into sensor-based illumination and IoT.

Leading: Build on Tridonic´s values, knowhow and quality to reinforce ties with the tradi- tional customer base – partnership as a commoditisation alternative

Sustainable: Use sustainability leadership to expand into new customer segments

Technology: Foster connectivity and data mining to enable new business models

Partner: Gradually expand geographically to grow the customer base and realise further economies of scale

Sensors: Invest in sensor technology and its integration into the lighting ecosystem

IoT: Use digitalisation to strengthen the market position and customer service levels

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With our flagship brand ZUMTOBEL , we are establishing a position as Europe’s leading cham- pion for multi-application and circular cleantech solutions.

Flagship brand: Cultivating our 'Signature Design' while extending our exceptional customer reputation (esp. for architects & end users)

Multi-application: Expanding our lighting solutions to cover four key application fields, including emergency, connectivity and services

Made in Europe: Proudly crafted and 100% manufactured in Europe to suit tailored projects for global specifications

Sustainability: All our products and solutions adhere to the stringent Zumtobel Circular Design Rules and maximise Remanufacturing / Re-use / High-value Recycling (“3 Rs”)

Cleantech: Empower clients to achieve the lowest lighting-related CO 2 footprint and highest building standards

Champion: Premium light quality in chip technology (Zumtobel SPECTRUM), system efficiency, and human centric lighting (Active Light)

With our leading international brand THORN , we make connected lighting accessible to the masses through coherent indoor and outdoor solutions.

International Brand: We are a brand recognised internationally for its heritage and proven performance

Accessible Connectivity: We make connectivity & IoT affordable for indoor and revolutionize it for outdoor

Masses: We aim at a wide network of customers, end users and channel partners, also leveraging the full mid-market potential

Indoor & Outdoor: Unique proposition in the industry to provide coherent solutions for both indoor and outdoor applications for commercial and public lighting projects

Lighting solutions: Premier luminaires and emergency lighting, powered with advanced sensors and controls

VALUE CHAIN

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01 GUIDING LIGHT

1.2 1.1 1.3

NET-ZERO

021

023

CIRCULAR ECONOMY

PARTNER OF CHOICE

025

THOSE WHO HAVE THE LIGHT GO AHEAD.

• Net-Zero,

Our road to sustainability is accompanied by three focal points along the entire value chain, which have evolved from the revision and adaptation of materiality:

• Circular Economy and

• Partner of Choice

1.1 NET-ZERO GUIDING LIGHT

How we pursue the Net-Zero target

The material topics for reporting on our road to Net-Zero are:

THERE IS ONLY ONE WAY: THE WAY THAT LEADS TO ZERO CO 2 .

The Zumtobel Group pursues the goal of Net-Zero and focuses on the consistent avoidance and reduction of greenhouse gas emissions across the entire value chain. Our climate targets are aligned with the science- based requirements of the Science Based Targets initiative (SBTi) and provide a clear framework for our actions. To achieve these targets, we focus on the increased use of sustainable energy sources and the continuous improvement of our sites. At the same time, we promote the sustainable sourcing of materials and components, develop energy-efficient lighting solutions and strengthen the circular economy in order to reduce energy and resource consumption throughout the entire product life cycle. Together with customers, suppliers and business partners, we are shaping the trans- formation towards more sustainable value creation and a gradual reduction of green- house gas emissions.

E1 | CLIMATE CHANGE

Climate change mitigation

Energy

Our CO₂e emissions are calculated in ac- cordance with the principles of the Green- house Gas Protocol, which forms the basis for transparent and comparable climate accounting.

GUIDING LIGHT

Highlights on the road to Net-Zero

Commitment on the road to Net-Zero

With the publication of the Climate Transi- tion Plan (CTP) in accordance with ESRS, the Zumtobel Group has a strategic roadmap for achieving its Net-Zero targets. Specific target values have been defined for the individual decarbonisation levers. Key contributions to the decarbonisation of the company’s own operations were achieved through the expansion of renewa- ble energy and the gradual electrification of the global vehicle fleet. The Scope 1 and 2 emissions reduction target of 9,000 tonnes of CO₂e at the production sites was achieved or exceeded during the 2025/26 financial year. The implementation of further decarbonisa- tion measures in sourcing, energy efficiency and the product portfolio supports the achievement of medium- and long-term climate targets across the entire value chain.

The emission reduction targets validated by the Science Based Targets initiative (SBTi) provide the binding framework for the Zumto- bel Group’s transformation pathway towards Net-Zero by 2050. With the published Climate Transition Plan (CTP), specific decarboni- sation levers have been defined across the entire value chain and firmly embedded in the corporate and sustainability strategy. The Zumtobel Group actively supports its customers in achieving their climate targets through energy-efficient lighting solutions and new circular services that make a signi- ficant contribution to reducing emissions in buildings and infrastructure. Through the consistent implementation of measures relating to emissions reduction, energy efficiency and sustainable sourcing, further progress was achieved on the path to Net-Zero during the 2025/26 financial year.

1.2 CIRCULAR ECONOMY GUIDING LIGHT

How we apply the principles of the circular economy to the entire value chain

In doing so, we combine sustainable sourcing, circular product design and new service offerings to keep resources in eco- nomic circulation for as long as possible and support customers on their path towards a more sustainable lighting infrastructure.

PATHS THAT LEAD US IN CIRCLES AND STILL TAKE US FORWARD.

By developing circular business models in the form of Circular Services, we firmly em- bed the principles of the Circular Economy in our corporate mindset. We take Circular Economy requirements into account already at the beginning of product development. By applying the Circular Design Rules (CDR), we consistently align our product portfolio with circularity. The focus lies on the use of circular ma- terials, increasing recycled content and recyclability, as well as product designs that support repair, reuse and remanufacturing, thereby creating the foundation for Circular Services. For us, the Circular Economy is not merely a vision but a strategic development pathway. Through Circular Design Rules and Circular Services, we create the foundation for multiple use cycles of our products.

The material topics for reporting on our road to a Circular Economy are:

E5 | RESOURCE USE & CIRCULAR ECONOMY Resource inflows, including resource use

Resource outflows relating to products and services

Waste

GUIDING LIGHT

Highlights on the road to a Circular Economy

Commitment on the road to a Circular Economy

For selected product lines, the Zumtobel Group is offering a Remanufacturing Service for the first time, enabling the refurbishment and reuse of luminaires. The Circular Design Rules are an integral part of product development and create the conditions for the refurbishment and reuse of products through design for disassembly, repairability and spare part availability. The increased use of recycled materials supports the reduction of raw material con- sumption and emissions across the entire product life cycle.

The Circular Economy enables the reuse, refurbishment and recycling of products and materials and therefore contributes to the efficient use of natural resources. New regulatory requirements are continuous- ly monitored and integrated into the further development of products and processes. By developing circular business models, such as remanufacturing services, new economic and environmental opportunities are unlocked for both customers and the company.

1.3 PARTNER OF CHOICE GUIDING LIGHT

How we are a Partner of Choice

The material topics for reporting on our road to becoming the Partner of Choice are:

THE PATHS WE CHOOSE THAT ENCOURAGE OTHERS TO JOIN US.

We provide positive and fulfilling conditions for everyone who joins us on the journey towards the future. As an employer and business partner, we create a fair, transparent, motivating and healthy environment. As a Partner of Choice, we not only challen- ge and support our employees, but also our suppliers, and accompany our customers in achieving their sustainability goals: through transparency regarding emissions, the development of a circular economy and our offering ranging from products to complete solutions. In doing so, we support our customers with reliable data, knowledge transfer and pro- cess innovations.

S1 | OWN WORKFORCE

Working conditions

Equal treatment and opportunities for all

S2 | WORKERS IN THE VALUE CHAIN

Other work-related rights

S4 | CONSUMERS AND END-USERS

Personal safety of consumers and/or end-users

Social inclusion of consumers and/or end-users

G1 | BUSINESS CONDUCT

Corporate culture

Corruption and bribery

GUIDING LIGHT

Commitment on the road to becoming the Partner of Choice

Highlights on the road to becoming the Partner of Choice

A sustainable and inclusive transformation of the economy requires close collabora- tion across corporate boundaries. The goal is to reconcile growth, competition, and cli- mate protection with socially just transition. Digital processes and networked thinking are cornerstones of success in this ende- avor. The Zumtobel Group involves busi- ness partners along the entire value chain to jointly find solutions to the challenges ahead. In an environment of new regulatory frameworks, we tap into opportunities for innovation and competitiveness. In our collaboration with suppliers, transpa- rency, respect for human rights, and high social standards are central. An established digital solution (DigiSus) enables efficient supplier management and, together with other elements—such as the Code of Con- duct for Business Partners or the internal whistleblower system —the framework for fulfilling due diligence obligations. Through its People Strategy “We Shine As One,” the Zumtobel Group aims to be the employer of choice for all those who want to develop their potential and drive the future of lighting. To achieve their sustainability goals, cus- tomers are looking for holistic solutions and reliable data at the corporate, solution, and product levels. Through dialogue, the Zumtobel Group is committed to meeting these requirements both substantively and systematically. In this way, the company serves as a partner and offers targeted solutions that meet the needs of customers and end users.

Building on the focus on digitalization and the transformation of supplier manage- ment established in fiscal year 2024/25, the Zumtobel Group further expanded these measures in fiscal year 2025/26. Measures for the company’s own workforce include, among other things, annual perfor- mance and development reviews, programs to promote physical and mental health, and initiatives to strengthen diversity, equity, and inclusion (DE&I), including communication efforts on DE&I topics, the “Female Role Models” program, reverse mentoring, and the expansion of DE&I training offerings, including a leadership program. By further developing components, lumi- naires, lighting management systems, and digital solutions, the Zumtobel Group is strengthening its position as an innovation partner for energy-efficient and connected buildings. Collaborations with Siemens, ABB, and Legrand expand the portfolio of solutions for smart space and smart building applicati- ons. Customers receive solutions tailored to a wide range of requirements and levels of complexity—from lighting components to in- telligently networked building and integrated systems that meet regulatory requirements and enhance competitiveness.

MATERIAL TOPICS 2025/26 GUIDING LIGHT

ESG ESRS MATTER

MATERIAL SUB-TOPIC

FOCUS AREA

Climate change mitigation

Net-Zero

E1 | Climate change

Energy

Net-Zero

Net-Zero, Circular Economy

Resource inflows, including resource use

E5 | Resource use and circular economy

Resource outflows relating to products and services

Circular Economy

Waste

Circular Economy

Working conditions

Partner of Choice

S1 | Own workforce

Equal treatment and opportunities for all

Partner of Choice

S2 | Workers in the value chain

Other work-related rights

Partner of Choice

Personal safety of consumers and/or end- users

Partner of Choice

S4 | Consumers and end- users

Social inclusion of consumers and/or end- users

Partner of Choice

Corporate culture

Partner of Choice

G G1 | Business conduct

Corruption and bribery

Partner of Choice

The roadmap on page 28 outlines the path toward the continuous improvement of the Zumto- bel Group’s sustainability performance.

GUIDING LIGHT

ZUMTOBEL GROUP ROADMAP GUIDING LIGHT

ESRS

TARGET

YEAR

NET-ZERO E1 Climate change

Emission reduction: To reduce absolute Scope 1 and 2 emissions by 66% by 2030/31 compared with the 2020/21 base year (baseline: 21,496 tCO 2 e).

E1-4, T1

2030/31

To reduce absolute Scope 3 emissions by 42% by 2030/31 compared with the 2022/23 base year (baseline: 16,903,947 tCO 2 e).

E1-4, T2

Net-Zero: To reduce absolute Scope 1 and 2 emissions by 90% by 2050/51 compared with the 2020/21 base year (baseline: 21,496 tCO 2 e).

E1-4, T3

2050/51

To reduce absolute Scope 3 emissions by 90% by 2050/51 compared with the 2022/23 base year (baseline: 16,903,947 tCO 2 e).

E1-4, T4

2026/27

E1-4, T5 In addition, the Zumtobel Group has set an emission reduction target for production and leasing sites (i.e. sales offices) of 8,500 tonnes of CO 2 e for Scope 1 and 2 emissions. E1 Energy E1-4, T6 The Zumtobel Group aims to reduce energy consumption at its own production sites to 78,800 MWh in FY 2026/27.

2026/27

E1-4, T7 The Zumtobel Group aims to increase the share of renewable energy to 64.8% by FY 2026/27.

2026/27

CIRCULAR ECONOMY E5 Resource use and Circular Economy E5-3, T1 The Zumtobel Group aims to increase the share of recycled secondary components, products and materials, including packaging, to 27% by FY 2030/31, representing an increase of 5 percentage points compared to the FY 2024/25 baseline. 2030/31 E5 Waste E5-3, T2 The Zumtobel Group aims to reduce total waste from 4,612 tonnes in FY 2025/26 to 4,418 tonnes in FY 2026/27. 2026/27 E5-3, T3 The Zumtobel Group aims to reduce non-recyclable waste from 379 tonnes in FY 2025/26 to 377 tonnes in FY 2026/27. 2026/27 E5-3, T4 The Zumtobel Group aims to reduce the share of production waste from non-renewable materials rela- tive to material consumption from 10.7% in FY 2025/26 to 9.2% in FY 2026/27. 2026/27 PARTNER OF CHOICE S1 Own workforce S1-5, T1 Employee engagement target: The Zumtobel Group aims to maintain an employee engagement score of 72 out of 100 points, as achieved in FY 2024/25. 2026/27 S1-5, T2 LTI-Rate (Lost Time Injury) of 3.6 in FY 2026/27. 2026/27

S1-5, T3 Performance and development target: The completion rate of annual employee reviews is targeted to reach 90%. S1-5, T4 Female leadership target: The Zumtobel Group aims to increase the share of women in leadership positions to 25% by FY 2026/27, representing an increase of 3 percentage points S2 Workers in the value chain S2-5, T1 Supplier management target: The Zumtobel Group aims to improve the performance of 35 suppliers identified as low performers in the area of human rights through external assessments by FY 2026/27.

2026/27

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