Basis for preparation

The ESG Report provides information about our sustainability approach and progress to all our stakeholders. This report forms part of Sonovaʼs Annual Report, together with the Financial Report and Business Report, and the sub-reports: the corporate governance report and compensation report. The ESG Report provides information about how Sonova governs, manages and implements sustainability, as well as performance measures and progress on ESG targets. This report was published on May 13, 2025, and was approved by Sonovaʼs Board of Directors. It is subject to a non-binding advisory vote at the Annual General Meeting on June 10, 2025.

Sonova Holding AG is the ultimate parent company of Sonova. It is a limited liability company listed on the SIX Swiss exchange and is headquartered in Stäfa, Switzerland. Sonova is a global provider of hearing care solutions and operates through four businesses – Hearing Instruments, Audiological Care, Consumer Hearing, and Cochlear Implants – with multiple brands. Our businesses are closely interconnected, leveraging R&D, manufacturing, marketing, sales, and customer support to ensure sustained, fruitful contact with consumers, business partners and hearing care professionals. Our strategy is aligned with our vision and we aim to lead innovation, expand consumer access, extend customer reach, invest in high-growth markets, drive continuous improvement and leverage M&A to accelerate growth. Further information can be found in the Strategy and businesses section.

The Sonova ESG Report has been prepared on the same consolidated basis as the financial statements. It includes Sonova Holding AG as well as the domestic and foreign subsidiaries over which Sonova Holding AG exercises control (for details refer to Note 1.2 of the financial statements). The list of Sonovaʼs significant Group companies can be found in Note 7.6 List of significant companies in the 2024/25 Annual Report. For companies acquired, the data is included as of date of acquisition. The ESG Report is published annually and follows Sonovaʼs financial year from April 1 to March 31. Information regarding the consistency of data and details on assumptions, calculation methodologies, approximations and judgements are further explained in the Sustainability notes.

Ernst & Young Ltd (EY) provided limited assurance on selected performance metrics presented in this ESG Report. EY is the external statutory auditor of Sonova. All assured figures are highlighted in the ESG report with ✔ Data externally assured (limited assurance). Details about the scope of the 2024/25 assurance can be found in the Independent assurance report.