1.2Basis of consolidated financial statements

The consolidated financial statements of the Group for the reporting period 1 April 2025 to 31 March 2026 have been prepared in accordance with IFRS Accounting Standards issued by the International Accounting Standards Board (IASB) and comply with Swiss law. The consolidated financial statements were prepared under the historical cost convention except for the revaluation of certain financial assets at market value. The consolidated financial statements were authorized for issue by the Board of Directors of Sonova Holding AG on 13 May 2026 and are subject to approval by the Annual General Shareholdersʼ Meeting on 16 June 2026.

The consolidated financial statements are presented in millions of Swiss Francs (CHF) and rounded to the nearest hundred thousand. Due to rounding, numbers presented throughout this report may not add up precisely to the totals provided. All ratios and variances are calculated using the underlying amount rather than the presented rounded amounts.

The consolidated financial statements include Sonova Holding AG as well as the domestic and foreign subsidiaries over which Sonova Holding AG exercises control. A list of the significant consolidated companies is given in Note 7.6.

Accounting policies of relevance for an understanding of the consolidated financial statements are set out in the specific notes to the financial statements.

Consumer Hearing business classified as discontinued operation

On 23 March 2026, Sonova announced that following a strategic portfolio review it intends to divest its Consumer Hearing business. The business is classified as discontinued operation as of 31 March 2026. In accordance with IFRS 5, the “Consolidated income statement” and the “Consolidated cash flow statement” for the 2024/25 financial year have been restated for discontinued operations (Refer to Note 6.3). The “Consolidated statement of comprehensive income”, the “Consolidated balance sheet” and the “Consolidated statement of changes in equity” for the 2024/25 financial year are not restated.