External recognition

Sonova is proud to be recognized as a leading company in sustainability.

Carbon Disclosure Project (CDP)

Sonova strives to be trustworthy and transparent with all its stakeholders regarding the environmental impact; it therefore participates in the Carbon Disclosure Project (CDP). The score results are publicly available and accessible on the CDP website. The CDP scoring level (Disclosure, Awareness, Management, Leadership) demonstrates a company's level of environmental stewardship, and actions and approaches in managing climate change. In 2025, Sonova received a ‘B’ Score, which relates to the ‘Management’ scoring level.

Sonova's CDP corporate questionnaire 2025

EcoVadis

EcoVadis is a globally recognized platform that allows companies to assess, monitor, and benchmark the sustainability performance of their supply chain. In 2025, Sonova was awarded the gold medal, placing Sonova among the top 5% of companies assessed.¹

S&P Global Corporate Sustainability Assessment (CSA)

The S&P Global Corporate Sustainability Assessment (CSA) is an annual, global assessment of a company's sustainability practices, used by investors and companies to benchmark performance and guide strategic decisions. It is also one of the factors to determine inclusion in Dow Jones Best-in-Class Indices. In 2025, Sonova ranked in the 98^th percentile in the Health Care Equipment and Supplies industry, earning a top 10% performance score and inclusion in the 2026 S&P Global Sustainability Yearbook.

Sustainalytics

Sustainalytics ESG risk rating measures a company's economic risk from material ESG issues. The company's risk is measured against its industry peers and against the global universe. The ratings are categorized across five risk levels: negligible, low, medium, high, and severe. In 2025, Sonova was ranked 1st and categorized as low-risk in the medical device sub-industry.²

ISS ESG Corporate

The ISS ESG Corporate Rating annually assesses companies' sustainability performance on an absolute best-in-class basis and the rating scale ranges from D- to A+. The assessment takes industry and company-specific approach to assessing material sustainability risks and opportunities. Prime status is awarded to companies with an ESG performance above the sector-specific Prime threshold, which means that they fulfil ambitious absolute performance requirements. In 2025, Sonova was awarded Prime status with a ‘B’ rating and categorized as a very high level of transparency.

FTSE4Good

The FTSE4Good Index Series³, in which Sonova has been listed since 2015, is designed to measure the performance of companies which demonstrate leadership in embedding sustainable practices into business management. Through a comprehensive methodology, FTSE Russell provides a multi-dimensional measure of environmental, social and governance exposure and practice, providing the investment community with a tool for portfolio design and management to investigate ESG criteria. FTSE Russell methodology is solely based on publicly available data, requiring high transparency from companies to be included, therefore the confirmation of Sonova in the index underscores the strong commitment of the Group in promoting accountability and transparency.

1. For more information, please visit the EcoVadis recognition page

2. Sustainalytics ESG Risk Rating is a third‑party opinion and not investment advice or an expert opinion as defined by applicable legislation.

3. [FTSE4Good Index Series | LSEG|https://www.lseg.com/en/ftse-russell/indices/ftse4good]

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