Change in number of shares and votes in Aerocrine

| Source: Aerocrine AB Aerocrine AB 

Change in number of shares and votes in Aerocrine

With reference to Chapter 4 Section 9 in ”lagen (1991:980) om handel med
finansiella instrument” it's hereby announced that subscription by
exercise of options in Aerocrine the number of shares and votes in
Aerocrine has increased as specified in the table below.

                     Number of shares and votes
Before subscription  102 247 513
Increase             54 721
After subscription   102 302 234

Solna April 29, 2011

Aerocrine AB (publ.)

For further information, please contact:

Michael Colérus, CFO, +46 8 629 07 85

Attachments