PRESS RELEASE Halmstad, 28 September 2010 Arise Windpower AB (Arise) and Vindshejkerna i Stjups AB (Vindshejkerna) have signed an agreement giving Arise the right to acquire Vindshejkerna's project in Stjups to the north of Näsudden on the island of Gotland. The project comprises existing permits for the erection of six wind turbines with a combined output of about 18 MW. Construction and commissioning are scheduled to take place immediately upon conclusion of a grid connection agreement but no earlier than autumn 2011. The project is the first Arise project in Gotland, where conditions for wind power are particularly favourable. A continued expansion is planned. Halmstad, 28 September 2010 ARISE WINDPOWER AB (publ) The above information is such that Arise Windpower AB (publ) is required to disclose under the Securities Market Act and/or the Financial Instruments Trading Act. The information was submitted for publication on 28 September 2010 at 08.00 a.m. For more information, please contact Peter Nygren, CEO Arise Windpower AB, +46 706 300 680 About Arise Windpower Arise Windpower is one of Sweden's leading companies in onshore windpower. Arise Windpower's business concept is to sell electricity generated at the company's own onshore wind turbines in southern Sweden. The company is aiming to install and put into operation about 300 wind turbines with an annual output of about 2 TWh of green electricity by 2014. Arise Windpower is listed on NASDAQ OMX Stockholm. www.arisewindpower.se Arise Windpower AB (publ), Box 808, SE-301 18 Halmstad, Sweden, tel. +46 (0)35 20 20 900, org.no. 556274-6726 E-mail: info@arisewindpower.se, www.arisewindpower.se