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 through the subscription by a
new share issue in Aerocrine the number of shares and votes in Aerocrine has
increased during April 2013 as specified in the table below.

                Number of shares and votes
April 1, 2014   154 851 194
Increase        208 344
April 30, 2014  155 059 538

Solna April 30, 2014

Aerocrine AB (publ.)

For further information, please contact:

Michael Colérus, CFO, +46 8 629 07 85

About Aerocrine

Aerocrine AB is a medical products company focused on improved management and
care of patients with inflammatory airway diseases such as Asthma. Within this
sector, Aerocrine is the world leader. Aerocrine markets NIOX MINO® and NIOX
VERO®, which enables fast and reliable point-of-care measurement of airway
inflammation. These products plays a critical role in more effective diagnosis,
treatment and follow-up of patients affected with inflammatory airway diseases.
Aerocrine is based in Sweden with subsidiaries in the US, Germany, Switzerland
and the UK. Aerocrine shares have been listed on the Stockholm Stock Exchange
since 2007 (AERO-B.ST). For more information please visit www.aerocrine.com and
www.niox.com.

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|Aerocrine may be required to disclose the information provided herein pursuant|
|to the Securities Markets Act and/or the Financial Instruments Trading Act.   |
|The information was submitted for publication at 08:00 am on April 30, 2014.  |
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