Invitation to Oerlikon’s Q1 / 2021 conference call Montag, 19. April 2021 - 17:45

To the Financial Community

April 19, 2021

Investor Relations

Tel. +41 58 360 98 50

ir@oerlikon.com

Ladies and Gentlemen,

We cordially invite you to join us on our conference call, where Oerlikon CEO Dr. Roland Fischer and CFO Philipp Müller will provide you with information on the business development and financial performance for the first quarter of 2021. The call will be held in English.

To join the webcast and to view the accompanying presentation, please click here.

In order to ask questions in the Q+A session, please dial-in.

Dial-in numbers:

Participants are kindly requested to dial in 10 minutes prior to the beginning of the call.

In case you are unable to participate, a recording of the conference call will be available the following day at www.oerlikon.com/ir.