Press Release: Actelion amends its financial reporting schedule

Actelion Pharmaceuticals Ltd / Actelion amends its financial reporting schedule . Processed and transmitted by Nasdaq Corporate Solutions. The issuer is solely responsible for the content of this announcement.

ALLSCHWIL, SWITZERLAND - 10 April 2017- Actelion Ltd (SIX: ATLN) announced today that it has amended its reporting schedule by discontinuing the reporting of first quarter and third quarter financial results with immediate effect. Consequentially Actelion will not be reporting the first quarter 2017 financial results.

###

ABOUT ACTELION LTD.

Actelion Ltd. is a leading biopharmaceutical company focused on the discovery, development and commercialization of innovative drugs for diseases with significant unmet medical needs.

Actelion is a leader in the field of pulmonary arterial hypertension (PAH). Our portfolio of PAH treatments covers the spectrum of disease, from WHO Functional Class (FC) II through to FC IV, with oral, inhaled and intravenous medications. Although not available in all countries, Actelion has treatments approved by health authorities for a number of specialist diseases including Type 1 Gaucher disease, Niemann-Pick type C disease, Digital Ulcers in patients suffering from systemic sclerosis, and mycosis fungoides in patients with cutaneous T-cell lymphoma.

Founded in late 1997, with now over 2,600 dedicated professionals covering all key markets around the world including the US, Japan, China, Russia and Mexico, Actelion has its corporate headquarters in Allschwil / Basel, Switzerland.

Actelion shares are traded on the SIX Swiss Exchange (ticker symbol: ATLN) as part of the Swiss blue-chip index SMI (Swiss Market Index SMI(R)). All trademarks are legally protected.

For further information please contact:

Andrew C. Weiss

Senior Vice President, Head of Investor Relations & Corporate Communications

Actelion Pharmaceuticals Ltd, Gewerbestrasse 16, CH-4123 Allschwil

+41 61 565 62 62

www.actelion.com

Press release PDF: http://hugin.info/131801/R/2095252/792430.pdf

This announcement is distributed by Nasdaq Corporate Solutions on behalf of Nasdaq Corporate Solutions clients.

The issuer of this announcement warrants that they are solely responsible for the content, accuracy and originality of the information contained therein.

Source: Actelion Pharmaceuticals Ltd via Globenewswire

--- End of Message ---

Actelion Pharmaceuticals Ltd

Gewerbestrasse 16 Allschwil Switzerland

ISIN: CH0010532478;

http://www.actelion.com (END) Dow Jones Newswires

   April 10, 2017 11:35 ET (15:35 GMT)- - 11 35 AM EDT 04-10-17