LOGITECH INTERNATIONAL S.A.

Appendix A: Key Performance Indicators

Logitech’s FY26 NFM Report is prepared in accordance with the GRI Standards.

ERM Certification and Verification Services Limited (“ERM CVS”) has provided limited assurance in relation to the Key Performance Indicators marked with a tick (✓) below and GRI assurance. All units quoted below are S.I. units.

Environmental Performance Indicators

TABLE 1 FUEL, REFRIGERANT AND ELECTRICITY CONSUMPTION

TABLE 2 ENERGY CONSUMPTION

TABLE 3 RENEWABLE AND NON-RENEWABLE ELECTRICITY WITHIN LOGITECH

18 This is calculated as the estimated total electricity consumption of our Tier 1 suppliers.

19 The renewable electricity footprint of our production facility and Controlled Offices, as a percentage of total electricity footprint of those facilities, rounded to the nearest 1%.

TABLE 4 CARBON AVOIDANCE PROGRAMS

TABLE 5 SCOPE 1 & 2 GREENHOUSE GAS (GHG) EMISSIONS

TABLE 6 SCOPE 3 GREENHOUSE GAS EMISSIONS

Our Scope 3 greenhouse gas emission inventory is summarized below.

20 Including green tariffs and Energy Attribute Certificates.

21 Including green tariffs and Energy Attribute Certificates.

22 Base year restated to align base year methodologies with current year methodologies and enable year-to-year comparison.

23 Market-based Scope 2 emissions compared to a base year of 2019.

24 Base year restated to align base year methodologies with current year methodologies and enable year-to-year comparison.

TABLE 7 OTHER EMISSIONS

TABLE 8 CLIMATE RISK

TABLE 9 WATER AT OUR PRODUCTION FACILITY

24 Base year restated to align base year methodologies with current year methodologies and enable year-to-year comparison.

25 Water consumption is limited to evaporation losses from the cooling tower and humidifier.

TABLE 10 PRODUCTS WITH LOW-CARBON OR CIRCULAR FEATURES

TABLE 11 MATERIALS IN OUR PORTFOLIO

26 92% of Dec. 2025 units shipped, had a third-party reviewed Product Carbon Footprint. This represents 100% coverage of products within the defined target boundary, which excludes certain low-volume and other specified products.

27 Percentage of Dec. 2025 units shipped, which have FSCTM-certified paper packaging.

28 Percentage of Dec. 2025 units shipped, which incorporate post-consumer recycled plastic.

29 Percentage of Dec. 2025 units shipped, which have no detectable presence of polyvinyl chloride.

30 Percentage of Dec. 2025 product lines shipped, which had low carbon or recycled aluminum, as a percentage of the number of product lines with aluminum.

31 Percentage of Dec. 2025 units shipped, which had at least one Logitech Repair Guide or Spare Part available via iFixit Repair Hubs worldwide.

32 For example, acoustics, adaptors, capacitors, connectors, crystals & resonators, diodes, integrated circuits, inductors, leds, motors, resistors, sensors, switches, transistors.

33 For example, consumables, glass, glues, polyurethane, wood and other miscellaneous materials.

34 Modeled as the weight of recycled plastic, aluminum, steel and paper (in master shipper packaging) shipped during Calendar Year 2025.

35 For Logitech, natural materials comprise paper-based materials.

Social Performance Indicators

Inclusion

TABLE 12 GENDER, AGE AND RACE/ETHNICITY OF THE BOARD OF DIRECTORS

TABLE 13 GENDER OF THE LEADERSHIP TEAM

TABLE 14 GENDER, AGE, RACE/ETHNICITY AND REGION ALL EMPLOYEES

36 Renewable materials are natural materials that can be replenished quickly and are recyclable at end-of-life. For Logitech, renewable materials are FSCTM-certified paper and the paper used in our master shipper packaging.

37 Data is available for U.S. employees only. Individuals may choose to disclose their racial/ethnicity in accordance with the categories and requirements of the U.S. Equal Employment Opportunity Commission EE-01 Component Reporting rules. Individuals who choose not to identify are classified as “declined to state”.

TABLE 15 GENDER BY EMPLOYMENT LEVEL

38 Data is available for U.S. employees only. Individuals may choose to disclose their racial/ethnicity in accordance with the categories and requirements of the U.S. Equal Employment Opportunity Commission EE-01 Component Reporting rules. Individuals who choose not to identify are classified as “declined to state''.

TABLE 16 AGE BY EMPLOYMENT LEVEL

TABLE 17 RACE/ETHNICITY BY EMPLOYMENT LEVEL

TABLE 18 GENDER AND MINORITY RACE/ETHNICITY OF SPECIFIC POSITIONS

TABLE 19 TOTAL WORKFORCE

TABLE 20 GENDER & REGION BY EMPLOYMENT TYPE

39 Women in the Logitech “People Managers” category, “Extended Leadership” category, and “Leadership Team” category, as a percentage of all individuals in those categories.

40 Women in the Logitech “People Managers” category, as a percentage of all individuals in that category.

41 Women in the Logitech “Extended Leadership” category and “Leadership Team” category, as a percentage of all individuals in these two categories.

42 Revenue-generating positions are positions in sales or with any type of sales commission; for example, some of Logitech’s Customer Support Group and Design and Marketing Group may be included. The percentage of women managers in revenue-generating positions is calculated as the number of women managers in revenue-generating positions divided by the total number of managers in revenue-generating positions.

43 STEM positions are positions that relate to science, technology, engineering, and mathematics. Logitech’s People and Culture team define these positions, which include engineers, data scientists, and others. The number of women in STEM positions is calculated as a percentage of the total number of individuals in STEM positions.

TABLE 21 GENDER & REGION BY CONTRACT TYPE

TABLE 22 AGE, GENDER AND REGION OF NEW EMPLOYEE HIRES 44

TABLE 23 AGE, GENDER AND REGION OF EMPLOYEE TURNOVER

44 Includes direct workers from all regions worldwide.

TABLE 24A HEALTH AND SAFETY AT OUR PRODUCTION FACILITY (DIRECT CONTRACT WORKERS)45

TABLE 24B HEALTH AND SAFETY AT OUR PRODUCTION FACILITY (INDIRECT CONTRACT WORKERS)48

TABLE 24C HEALTH AND SAFETY MANAGEMENT SYSTEM AT OUR PRODUCTION FACILITY

45 Direct contract: Individuals with a direct employment contract with Logitech.

46 Both injuries were categorized as slip, trip and fall (STF) injuries.

47 Total number of recordable injuries and illness cases per 200,000 hours worked.

48 Indirect contract: Workers who do not have a direct employment contract with Logitech but their routine work and or workplace is controlled by Logitech. This includes but is not limited to Dispatch Workers and Temporary Workers (Intern/Student workers and Fixed term).

49 Total number of recordable injuries and illness cases per 200,000 hours worked.

TABLE 25 TALENT DEVELOPMENT: EMPLOYEE TRAINING & WELL-BEING

TABLE 26 TALENT DEVELOPMENT: YEAR END PERFORMANCE REVIEWS

TABLE 27 RESPONSIBLE SOURCING OF MINERALS

TABLE 28 SUPPLIER AUDIT

50 Calculated as the number of suppliers that manufactured products or components with tin, tantalum, tungsten, gold, mica or cobalt for Logitech during Calendar Year 2025 and had a business relationship with Logitech at the time of KPI calculation (March 2026), and participated in our Responsible Sourcing of Minerals Program by completing a CMRT/EMRT survey.

Business Conduct Performance Indicators

TABLE 29 BUSINESS CONDUCT

TABLE 30 ANTI-CORRUPTION COMMUNICATION AND TRAINING

51 A confirmed incident is a substantiated case.

52 We conducted comprehensive investigations based on reports to EthicsPoint and whistleblower complaints sent directly to Logitech’s Deputy General Counsel and Chief Compliance Officer. The investigations found that employees violated the Code of Conduct and other policies by knowingly making gray market sales. There was no wrongdoing by Logitech as a company. For clarity, there was no bribery, and the two incidents were reported under the broadest definition of corruption.

53 Please refer to the previous footnote, which refers to the same two incidents.

54 A fine of more than USD $10 000.

55 We operate one production facility in Suzhou, China.

TABLE 31 PRIVACY AND SECURITY

TABLE 32 COMMUNITY SERVICE

56 This is related to the Oracle E-Business Suite Zero-Day Vulnerability.

57 As above, this is related to the Oracle E-Business Suite Zero-Day Vulnerability.

Appendix B: Third-party Assurance

Logitech’s Board of Directors is responsible for overseeing reported information, including reviewing and approving the NFM Report. It is the policy of the Board of Directors to obtain 3rd party limited assurance of select KPIs disclosed in this report. ERM CVS was selected as Logitech’s 3rd party assurance provider for the FY26 NFM Report and their assurance report follows.