Ad hoc announcement pursuant to Art. 53 LR

Allschwil, Switzerland – September 2, 2024

Idorsia Ltd (SIX: IDIA) today announced that following the expiry of the appeal period – during which no appeal was filed – the amended terms of Idorsia’s outstanding convertible bonds, originally maturing on July 17, 2024 (ISIN: CH0426820350) (the Bonds) have become effective.

The cut-off date in respect of the consent fee is today, which means that bondholders holding the Bonds on – or who have purchased the Bonds by – today, will receive a consent fee. The ex-date in respect of the consent fee is September 3, 2024, which means that bondholders purchasing the Bonds on September 3, 2024, will not receive the consent fee. The company will transfer the consent fee of 8,000 shares per Bond on September 5, 2024.

Bondholders can access the documentation in respect to the Bonds at the following link: www.idorsia.com/2024-bond

Notes to the editor

About Idorsia
Idorsia Ltd is reaching out for more – We have more ideas, we see more opportunities and we want to help more patients. In order to achieve this, we will develop Idorsia into a leading biopharmaceutical company, with a strong scientific core.

Headquartered near Basel, Switzerland – a European biotech-hub – Idorsia is specialized in the discovery, development and commercialization of small molecules to transform the horizon of therapeutic options. Idorsia has a 25-year heritage of drug discovery, a broad portfolio of innovative drugs in the pipeline, an experienced team of professionals covering all disciplines from bench to bedside, and commercial operations in Europe and North America – the ideal constellation for bringing innovative medicines to patients.

Idorsia was listed on the SIX Swiss Exchange (ticker symbol: IDIA) in June 2017 and has over 750 highly qualified specialists dedicated to realizing our ambitious targets.

For further information, please contact
Andrew C. Weiss
Senior Vice President, Head of Investor Relations & Corporate Communications
Idorsia Pharmaceuticals Ltd, Hegenheimermattweg 91, CH-4123 Allschwil
+41 58 844 10 10 – [email protected] – [email protected] – www.idorsia.com

The above information contains certain "forward-looking statements", relating to the company's business, which can be identified by the use of forward-looking terminology such as "estimates", "believes", "expects", "may", "are expected to", "will", "will continue", "should", "would be", "seeks", "pending" or "anticipates" or similar expressions, or by discussions of strategy, plans or intentions. Such statements include descriptions of the company's investment and research and development programs and anticipated expenditures in connection therewith, descriptions of new products expected to be introduced by the company and anticipated customer demand for such products and products in the company's existing portfolio. Such statements reflect the current views of the company with respect to future events and are subject to certain risks, uncertainties and assumptions. Many factors could cause the actual results, performance or achievements of the company to be materially different from any future results, performances or achievements that may be expressed or implied by such forward-looking statements. Should one or more of these risks or uncertainties materialize, or should underlying assumptions prove incorrect, actual results may vary materially from those described herein as anticipated, believed, estimated or expected.