Karolinska Development

Report Publication Announcement • May 7, 2013

Karolinska Development - Interim report January - March, invitation to conference call Friday, May 10

STOCKHOLM – May 7, 2013. Karolinska Development will publish its Interim report for January – March 2013 on Friday, May 10, 2013. The company will also host a conference call and an on-line presentation on the same day at 14.00 CET.

Please dial in at the following number a few minutes before the start of the conference call:

• From Sweden: +46 (0)8 506 307 79
• From the US: +1 866 682 8490
• From the UK: +44 (0) 1452 555 131

The presentation will also be webcasted and can be accessed from the following web address: http://storm.zoomvisionmamato.com/player/karolinska\_development/objects/143ch80p/

Host: Torbjörn Bjerke, CEO.

For further information, please contact:

Benjamin Nordin, IRO, Karolinska Development AB Phone: +46 (0)73 093 60 80, e-mail: benjamin.nordin@karolinskadevelopment.com

TO THE EDITORS

About Karolinska Development AB

Karolinska Development aims to create value for patients, researchers, and investors by developing innovations from world class science into products that can be sold or out-licensed with high returns. The business model is to: SELECT the most commercially attractive medical innovations; DEVELOP innovations to the stage where the greatest return on investment can be achieved; and COMMERCIALIZE the innovations through the sale of companies or out-licensing of products. An exclusive deal flow agreement with Karolinska Institutet Innovations AB, along with other cooperation agreements with leading universities, delivers a continuous flow of innovations. Today, the portfolio consists of 36 projects, of which 15 are in clinical development. For more information, please visit www.karolinskadevelopment.com.

Karolinska Development is listed on NASDAQ OMX. Karolinska Development may be required to disclose the information provided herein pursuant to the Securities Markets Act.