GRI content index

Comet has reported in accordance with the GRI Standards for the period from 01/01/2025 to 12/31/2025. For the Content Index – Essentials Service, GRI Services reviewed that the GRI content index has been presented in a way consistent with the requirements for reporting in accordance with the GRI Standards, and that the information in the index is clearly presented and accessible to the stakeholders. This service was performed for the English version of the report.

GRI 1 used: GRI 1: Foundation 2021

Applicable GRI Sector Standard: none

General Disclosures

GRI Standard

Disclosure

Location / information

Omission (Requirements omitted (RO), Reason (R), Explanation (E))

The organization and its reporting practices

GRI 2: General Disclosures 2021

2-1 Organizational details

Comet Holding AG

Corporate Governance Report, Group structure and shareholders

Comet Holding AG, Herrengasse 10, 3175 Wünnewil-Flamatt, Switzerland

Annual Report, Review of 2025

2-2 Entities included in the organization’s sustainability reporting

Consolidated financial statements, 02.5 Consolidation

All entities in the financial reporting are also included in sustainability reporting

2-3 Reporting period, frequency and contact point

Annually, fiscal year from Jan 1, 2025, to Dec 31, 2025

Corporate Governance Report, Contacts

2-4 Restatements of information

Restatements of environmental metrics

2-5 External assurance

Limited assurance on selected KPIs

Activities and workers

GRI 2: General Disclosures 2021

2-6 Activities, value chain and other business relationships

Strategy, The Comet Group

Purpose and business model

Notes to the consolidated financial statements, 01 Nature of the business activities

Consolidated financial statements, 02.5 Consolidation

Report in Accordance with GRI Standards, Business conduct

2-7 Employees

Consolidated financial statements, 04.1 Operating segments

Report in Accordance with GRI Standards, Attractive working conditions

Separate Financial Statements of Comet Holding AG, Number of full-time equivalents

2-8 Workers who are not employees

By the end of the reporting year, Comet engaged a total headcount of 130 agency and contractor workers who are not employees. The majority of these workers support production, followed by R&D and general administrative activities.

Governance

GRI 2: General Disclosures 2021

2-9 Governance structure and composition

Corporate Governance Report, Board of Directors and Executive Committee

Sustainability Report, Sustainability governance and organization

2-10 Nomination and selection of the highest governance body

Corporate Governance Report, Board election and terms, Internal organization

2-11 Chair of the highest governance body

The Chair of the Board of Directors is not a senior executive in the organization

2-12 Role of the highest governance body in overseeing the management of impacts

Corporate Governance Report, Board of Directors and Executive Committee, Division of authority

Sustainability Report, Sustainability governance and organization

2-13 Delegation of responsibility for managing impacts

Sustainability Report, Sustainability governance and organization

2-14 Role of the highest governance body in sustainability reporting

Sustainability Report, Sustainability governance and organization

2-15 Conflicts of interest

Corporate Governance Report, Board of Directors and Executive Committee, Activities and interests outside the Group

2-16 Communication of critical concerns

Through AGM or other functions (e.g., IR) via CEO. Regular conversations between CEO, CFO and multiple stakeholders.

2-17 Collective knowledge of the highest governance body

The majority of the members of the Board of Directors are members of the board or management of other listed companies that are advanced in sustainability. Quarterly report on sustainability developments to the Board.

Corporate Governance Report, Board of Directors and Executive Committee

2-18 Evaluation of the performance of the highest governance body

The Board of Directors conducted a self-assessment with an external Board Advisor in 2024. In 2025 the Board of Directors retained a third party consultant to conduct a board evaluation. This evaluation is expected to be completed by the first quarter of 2026.

2-19 Remuneration policies

Compensation report, 03 Determination of compensation and compensation principles

Corporate Governance Report, Nomination & Compensation Committee

2-20 Process to determine remuneration

Compensation report, 03.1 Determination of compensation

Compensation outlook for 2026

2-21 Annual total compensation ratio

Comparable ratio of 9; CEO annual total compensation compared to median annual total compensation of permanent employees at headquarters in Flamatt, Switzerland

Strategy, policies and practices

GRI 2: General Disclosures 2021

2-22 Statement on sustainable development strategy

Statement of the Chairman and the CEO

2-23 Policy commitments

Report in Accordance with GRI Standards, Business conduct

2-24 Embedding policy commitments

Report in Accordance with GRI Standards, Business conduct

Sustainability Report, Report on child labor

2-25 Processes to remediate negative impacts

Report in Accordance with GRI Standards, Business conduct

2-26 Mechanisms for seeking advice and raising concerns

Corporate Governance Report Report, Integrity line

2-27 Compliance with laws and regulations

Report in Accordance with GRI Standards, Business conduct

Report in Accordance with GRI Standards, Employee Health and Safety

2-28 Membership associations

SEMI (global industry association that encompasses the entire electronics manufacturing and supply chain), Swissmem, EUROBAT, JIMA (Japan Inspection Instruments Manufacturers' Association), Swiss Malaysian Chamber of Commerce, Swissvacuum

Stakeholder engagement

GRI 2: General Disclosures 2021

2-29 Approach to stakeholder engagement

Sustainability Report, Stakeholder Engagement

2-30 Collective bargaining agreements

Less than 5% of employees are covered by bargaining agreements. For employees not covered by collective bargaining agreements, we regularly benchmark the working conditions and terms of employment against organizations with collective bargaining agreements. Overall, our working conditions and terms of employment are superior compared to organizations with collective bargaining agreements.

Report in Accordance with GRI Standards, Attractive working conditions

Material Topics

GRI 3: Material Topics 2021

3-1 Process to determine material topics

Sustainability Report, Materiality assessment

3-2 List of material topics

Sustainability Report, Material topics

Environmental

Climate change

GRI 3: Material Topics 2021

3-3 Management of material topics

Report in Accordance with GRI Standards, Climate mitigation and adaptation

GRI 302: Energy 2016

302-1 Energy consumption within the organization

Report in Accordance with GRI Standards, Energy and emissions

In 2025, none of the electricity generated by Comet's photovoltaic system was sold. All the electricity produced was consumed on site.

302-4 Reduction of energy consumption

Report in Accordance with GRI Standards, Energy and emissions

Sustainability Report, Sustainability strategy and roadmap

Sustainability Report, Climate transition plan

302-5 Reduction in energy requirements of products and services

Sustainability Report, Climate transition plan

GRI 305: Emissions 2016

305-1 Direct (Scope 1) GHG emissions

Report in Accordance with GRI Standards, Energy and emissions

305-2 Energy indirect (Scope 2) GHG emissions

Report in Accordance with GRI Standards, Energy and emissions

305-5 Reduction of GHG emissions

Sustainability Report, Climate transition plan

Resource use and circular economy

GRI 3: Material Topics 2021

3-3 Management of material topics

Report in Accordance with GRI Standards, Resource use and circular economy

GRI 303: Water and Effluents 2018

303-5 Water consumption

Report in Accordance with GRI Standards, Resource use and circular economy

GRI 306: Waste 2020

306-3 Waste generated

Report in Accordance with GRI Standards, Resource use and circular economy

Social

Attractive working conditions

GRI 3: Material Topics 2021

3-3 Management of material topics

Report in Accordance with GRI Standards, Attractive working conditions

GRI 401: Employment 2016

401-1 New employee hires and employee turnover

Report in Accordance with GRI Standards, Attractive working conditions

Employee health and safety

GRI 3: Material Topics 2021

3-3 Management of material topics

Report in Accordance with GRI Standards, Employee Health and Safety

GRI 403: Occupational Health and Safety 2018

403-1 Occupational health and safety management system

Report in Accordance with GRI Standards, Employee Health and Safety

403-2 Hazard identification, risk assessment, and incident investigation

Report in Accordance with GRI Standards, Employee Health and Safety

403-4 Worker participation, consultation, and communication on occupational health and safety

Report in Accordance with GRI Standards, Employee Health and Safety

403-5 Worker training on occupational health and safety

Report in Accordance with GRI Standards, Employee Health and Safety

403-6 Promotion of worker health

Report in Accordance with GRI Standards, Employee Health and Safety

403-7 Prevention and mitigation of occupational health and safety impacts directly linked by business relationships

Report in Accordance with GRI Standards, Employee Health and Safety

403-8 Workers covered by an occupational health and safety management system

Report in Accordance with GRI Standards, Employee Health and Safety

403-9 Work-related injuries

Report in Accordance with GRI Standards, Employee Health and Safety (table)

403-10 Work-related ill health

Report in Accordance with GRI Standards, Employee Health and Safety (table)

Equal treatment and opportunities for all

GRI 3: Material Topics 2021

3-3 Management of material topics

Report in Accordance with GRI Standards, Equal treatment and opportunities for all

GRI 405: Diversity and Equal Opportunity 2016

405-1 Diversity of governance bodies and employees

Report in Accordance with GRI Standards, Equal treatment and opportunities for all (tables)

GRI 406: Non-discrimination 2016

406-1 Incidents of discrimination and corrective actions taken

Report in Accordance with GRI Standards, Equal treatment and opportunities for all (tables)

GRI 404: Training and Education 2016

404-2 Programs for upgrading employee skills and transition assistance programs

Report in Accordance with GRI Standards, Employer Attractiveness

Product quality & safety and compliance

GRI 3: Material Topics 2021

3-3 Management of material topics

Report in Accordance with GRI Standards, Product quality & safety and compliance

GRI 416: Customer Health and Safety 2016

416-2 Incidents of non-compliance concerning the health and safety impacts of products and services

Report in Accordance with GRI Standards, Product quality & safety and compliance

Governance

Business conduct

GRI 3: Material Topics 2021

3-3 Management of material topics

Report in Accordance with GRI Standards, Business conduct

GRI 308: Supplier Environmental Assessment 2016

308-1 New Supplier Screening Using Environmental Criteria

Report in Accordance with GRI Standards, Business conduct

GRI 408: Child Labor 2016

408-1 Operations and suppliers at significant risk for incidents of child labor

Sustainability Report, Report on child labor

Report in Accordance with GRI Standards, Business conduct

GRI 414: Supplier Social Assessment 2016

414-1 New suppliers that were screened using social criteria

Report in Accordance with GRI Standards, Business conduct

GRI 205: Anti-Corruption 2016

205-2 Communication and training about anti-corruption policies and procedures

Report in Accordance with GRI Standards, Business conduct

GRI 205: Anti-Corruption 2016

205-3 Confirmed incidents of corruption and actions taken

Report in Accordance with GRI Standards, Business conduct

GRI 206: Anti-competitive Behavior 2016

206-1 Legal actions for anti-competitive behavior

Report in Accordance with GRI Standards, Business conduct