Following the expiry of the appeal period for the amended terms approved at the CB 2025 bondholder meeting of February 25, 2025 – during which no appeal was filed – invitations to the next bondholder meetings for holders of its outstanding CHF 200 million convertible bonds maturing in 2025 (CB 2025; ISIN CH0426820350), and CHF 600 million convertible bonds maturing in 2028 (CB 2028; ISIN CH1128004079) were published on June 6, 2025.

• Jun 6, 2025: Idorsia publishes invitations to bondholder meetings
• Jun 25, 2025: Bondholders approve amended terms of the 2025 and 2028 convertible bonds

June 25, 2025, at 19:00 CEST, at the offices of Homburger AG, Prime Tower, Hardstrasse 201, 8005 Zurich, Switzerland

The invitation to the bondholder meeting set out the terms of the resolutions voted upon.

NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION IN THE UNITED STATES OR ANY OTHER JURISDICTION IN WHICH IT WOULD BE UNLAWFUL TO DO SO.

• CB 2028 Bondholder Meeting Invitation
• Proxy Form
• Blocking Certificate

The unaudited financial status, as of April 30, 2025, is required in connection with the invitation to the bondholder meeting. 

• Unaudited Financial Status as of April 30, 2025