Skip to content


PricewaterhouseCoopers SA has been the Company’s auditor during the financial years 2015–2017 and was, at the annual shareholders’ meeting 2019, re-elected until the end of the annual shareholders’ meeting 2020. Efrem Dell'Era is the auditor in charge. He is a Swiss certified audit expert, member of EXPERTsuisse (Swiss professional institute for authorized public accountants) and ICAEW (Institute of Chartered Accountants in England and Wales). PricewaterhouseCoopers’s office address is Via della Posta 7, CH-6901 Lugano, Switzerland.