Orexo

Declaration of Voting Results & Voting Rights Announcements • Feb 27, 2009

Press release, February 27, 2009

New number of shares and votes in Orexo AB (publ)

The total number of shares and votes in Orexo AB (publ) as per 27 February 2009 amounts to 22,461,387 shares and votes. The increase in the number of shares and votes results from Orexo's acquisition of PharmaKodex Ltd which was announced on 23 February 2009.

For further information please contact:

Johan Andersson, IR-Manager Tel: +46 (0)702 100 451 E-mail: johan.andersson@orexo.com

About Orexo

Orexo is a pharmaceutical company focusing on developing treatments for pain and inflammation. The company has three products on the market as well as a competitive product portfolio in late stages of development. Sales and product development are mainly carried out through worldwide partnership agreements with larger pharmaceutical companies. Orexo has 128 employees, and has its head office located in Uppsala, Sweden. More information can be found at www.orexo.com

Note:

This is information that Orexo AB (pub) is required to disclose pursuant to the Swedish Securities Markets Act. The information was provided for public release on February 27, 2009 at 17:00 CET.