11.05.2020, Ad hoc announcement pursuant to Art. 53 LR

AGM 2020: all proposals approved

At the Annual General Meeting of Sensirion Holding AG on 11 May 2020, the independent proxy represented a total of 9’200’764 shares corresponding to 59.09% of the share capital. The shareholders approved all proposals of the Board of Directors (the “Board”).

As a result of the extraordinary circumstances due to the spread of COVID-19 (coronavirus), the Annual General Meeting of Sensirion Holding AG was held today without the physical presence of shareholders. In accordance with the COVID-19 Ordinance 2 of the Swiss Federal Council, shareholder rights could exclusively be exercised through the independent proxy. The Annual General Meeting was held on the premises of Sensirion Holding AG’s company headquarters in Stäfa. At the Annual General Meeting of Sensirion Holding AG on 11 May 2020, the independent proxy represented a total of 9’200’764 shares corresponding to 59.09% of the share capital. The shareholders approved all proposals of the Board of Directors (the “Board”). The shareholders approved the annual management report, the annual financial statements and the consolidated financial statements for 2019, as well as the appropriation of the balance sheet result. The compensation report 2019 was accepted by a non-binding consultative vote. The shareholders granted discharge to the members of the Board and the Executive Committee for their activities in the financial year 2019. The compensation for the members of the Board and the Executive Committee were also approved. The shareholders re-elected Moritz Lechner and Felix Mayer as Co-Chairmen, as well as Ricarda Demarmels, Heinrich Fischer, François Gabella and Franz Studer as members of the Board of Directors. The shareholders also re-elected Heinrich Fischer, Moritz Lechner and Felix Mayer to the Nomination and Compensation Committee. Law Office Keller Partnership in Zurich was re-elected as independent proxy and KPMG AG in Zurich was re-elected as auditor. Furthermore, the shareholders approved the renewal of the authorized share capital in the same amount for another two years. Contact for Investor Relations Mr. Andrea Wüest Director Investor Relations Tel: +41 44 927 11 40 Email: andrea.wueest@sensirion.com