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Duration of the mandate and term of office of the lead auditor 

At the Annual General Shareholders’ Meeting on July 5, 2001, PricewaterhouseCoopers AG was elected auditor for Sonova Holding AG and the Sonova Group. At the 2014 Annual General Shareholders’ Meeting, PricewaterhouseCoopers AG was re-elected for another one-year term. Sandra Boehm has served as lead auditor for the existing auditing mandate since June 18, 2013.


PricewaterhouseCoopers charged the following fees during the reporting years 2015/16 and 2014/15:

1,000 CHF 2015/16 2014/15
Audit services 1,374 1,311
Audit-related services 53 42
Tax services 0 128
Non-audit services 116 182
Total 1,543 1,663

Audit services are defined as the standard audit work performed each year in order to issue an audit opinion on the parent company and consolidated financial statements of the Sonova Group as well as opinions on the local statutory financial accounts or statements. Also included is extra work within the audit that can only be provided by the Sonova Group auditor, such as auditing of non-recurring transactions or the implementation of new accounting policies as well as consents and comfort letters in relation to regulatory filings.

Audit-related services consist of support to the audit such as providing advice on new accounting rules; this could be provided by sources other than the auditor who signs the audit report.

Tax services consist of services in connection with compliance with tax laws.

Non-audit related services mainly consisted of consulting fees in connection with the employee shareholding program as well as acquisition related services.

The values of audit, audit-related, tax, and non-audit services are in line with ratios suggested by commonly applied good practice standards that relate to the independence of auditors. A formal policy issued by the Audit Committee is in place that regulates all non-audit assignments of the auditors.

Informational instruments pertaining to the external audit

The external auditors report their findings semi-annually directly to the Audit Committee of the Board of Directors. In FY 2015 / 16, the external auditors attended 3 out of 4 Audit Committee meetings physically or by telephone conference. The Audit Committee of the Board of Directors reviews the performance, compensation, and independence of the external auditors on a regular basis. The Audit Committee reports its findings to the Board of Directors quarterly.