PRESS RELEASE - FOR IMMEDIATE RELEASE Contact: Sylvia Stromback RotoSub AB Datalinjen 1, SE-583 30 Linkoping, Sweden Phone: +46 13 9913028, Fax: +46 13 9913029 PR@RotoSub.com http://www.rotosub.com RotoSub AB presents the world.s first Self Silencing Fan Linkoping, Sweden - June 16 2011 - Noise pollution from fans has always been a problem, but a solution is finally available. The novel RotoSub technology, RotoSub R-ANC, takes a completely new approach by addressing the problem at its source, enabling the fan to reduce its own noise. RotoSub R-ANC is an active noise reduction solution that integrates fully into the fan itself. The solution dramatically reduces its noise without increasing the size of the fan or requiring any additional components. "Customers are calling for smaller more efficient low-noise fans with a higher degree of integration freedom" said Lars Stromback, CEO of RotoSub. "By providing an easily integrated and quieter solution, our customers can focus more of their creativity into product design." RotoSub AB announced today that the RotoSub R-ANC technology will be presented in an invited paper at the INTER-NOISE 2011 Congress in Osaka, Japan. The congress is sponsored by the International Institute of Noise Control Engineering (I-INCE), and is co-organized by the Institute of Noise Control Engineering of Japan (INCE/J) and the Acoustical Society of Japan (ASJ). In conjunction with our ongoing project with the Swedish Trade Council in Japan meetings will be held during the Japanese tour. If you want to schedule a meeting please contact Sylvia Stromback. A video preview, demonstrating the noise reduction capabilities of the technology, is available on the RotoSub web site, at http://www.rotosub.com/s_products_demo.php. About RotoSub Founded in 2004, RotoSub has established itself as a recognized specialist in the field of fan noise reduction. Over the years, RotoSub has built up a strong IP portfolio within the R-ANC technology consisting of knowhow, patents and core algorithms. Mission "To be recognized as the number one company in the fight against fan noise." ### If you would like more information, or to schedule an interview, please contact Sylvia Stromback at +46 13 9913028 or email Sylvia at PR@RotoSub.com