Prosensa to Provide Update to on Drisapersen

Prosensa Holding N.V.

will be providing updates to both the financial and patient communities regarding drisapersen.As previously announced, the company will be providing a full corporate update, which will now also include additional analyses of the drisapersen dataset, at the 32nd Annual J.P. Morgan Healthcare Conference on Thursday, January 16, 2014 at 10:00 AM Pacific Time. Furthermore, the company will be providing a separate update to the patient community on Tuesday, January 21, 2014 at 8:00 AM Eastern Time.  A live webcast of these presentations can be accessed through the Investors & Media section of the Prosensa corporate website at http://ir.prosensa.eu/events.cfm and will be archived for 90 days.