April 26, 2013.

Sophia Antipolis, France.

Nicox S.A.(NYSE Euronext Paris: COX) has convened an ordinary shareholder meeting on Thursday June 6, 2013 at 2:00 pm CET at the Hotel Mercure – rue Albert Caquot – 06560 Sophia Antipolis.

The documents mentioned in articles L.225-115, R. 225-81 and R. 225-83 of the French Code de commerce, including a proxy voting form, will be sent to shareholders upon written request. These documents will also be made available to shareholders at the headquarters and on the website of the Company (www.nicox.com) by May 16, 2013.

In the event the quorum is not reached on the first call, Nicox will convene a shareholder meeting on a second call on Thursday June 20, 2012 at 2:00 pm CET at the Hotel Mercure – rue Albert Caquot – 06560 Sophia Antipolis.

Proxy form available.