Ladies and Gentlemen

We would like to inform you that Straumann will publish its 2012 first-half financial results on

Tuesday, 21 August 2012, at approximately 7:00 a.m. CET.

There will be a telephone conference call for financial analysts and journalists beginning at 10:00 a.m. CET, during which the Straumann Top Management will review the financial performance and will be available to answer questions.

Please download the documents in advance from our website www.straumann.com, if you intend to listen to the conference.

The conference will be audio-webcast live at www.straumann.com/webcast. The recorded webcast will be available the same day from noon.

With kind regards

INSTITUT STRAUMANN AG

Corporate Communication / Investor Relations