Biotage AB – changes in number of shares and votes

| Source: Biotage AB
As previously announced, the shareholders resolved at the Annual General Meeting
held on 25 April 2013 to withdraw 3,394,375 shares, which had been repurchased
under the company’s re-purchase program. Following withdrawal of these shares
the number of outstanding shares and votes amounts to 69,861,330 as of 31 May

Torben Jörgensen, President and
Tel: +46 707 49 05 84,

Biotage discloses the information provided herein pursuant to the Swedish
Securities Markets Act and/or the Swedish Financial Instruments Trading Act. The
information was submitted for publication at 08.00 on 31 May 2013.

About Biotage
Biotage offers solutions, knowledge and experience in the areas of analytical
chemistry, medicinal chemistry, separation and purification. The customers
include pharmaceutical and biotech companies, companies within the food industry
and leading academic institutes. The company is headquartered in Uppsala and has
offices in the US, UK, China and Japan. Biotage has approx. 290 employees and
had sales of 463 MSEK in 2012. Biotage is listed on the NASDAQ OMX Nordic
Stockholm stock exchange. Website: