Idorsia will publish its full year financial results 2018 on Thursday February 7, 2019, at 07:00 CET.

An investor conference call and webcast will be held to discuss the results on the same day:    Date:  Thursday, February 7, 2019

Time:  14:00 CET / 13:00 GMT / 08:00 EST

The call will start with presentations by senior management, followed by a Q&A session (live access to the speakers).

To support your preparations, the consensus estimates can be found under  www.idorsia.com/consensus-estimate .

Dial-in: Participants should start calling the number below 10-15 minutes before the conference is due to start.

CH: +41 44 580 65 22 | UK: +44 20 3009 2470 | US: +1 877 423 0830

PIN:  22131676#

Webcast: Participants should go to the Idorsia website www.idorsia.com 10-15 minutes before the conference is due to start.

Replay: A replay of the investor webcast will be available through www.idorsia.com approximately 60 minutes after the call has ended.

Kind regards,

Andrew Weiss Head of Investor Relations and Corporate Communications

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