Ladies and Gentlemen

We are pleased to invite you to our 2013 first-quarter sales conference call on Tuesday, 30 April 2013, during which Top Management will review the sales performance and will be available to answer questions. The call will be in English and will begin at 9:00 a.m. CET; it is scheduled to last approximately one hour.

The conference will be audio-webcast live at www.straumann.com/webcast and a recording will be available on the same day from around noon onwards.

Please dial in 5-10 minutes before the conference starts using one of the following numbers:

The media release and presentation will be emailed and published on our website www.straumann.com beforehand. Please download the relevant documents in advance.