Notice to the Market WEG S.A. A Publicly Listed Company NIRE nº 42.300.012.203 CNPJ/MF: nº 84.429.695/0001-11 WEG announces new wind energy technological agreement WEG S.A. ("WEG") (BM&FBOVESPA: WEGE3 / OTC: WEGZY), in accordance to CVM Instruction number 358, is hereby informing its shareholders and the general market it has entered into a technological agreement with Northern Power Systems (“NPS”). Founded in 1975 and based in Barre, Vermont, USA, Northern Power designs, develops and manufactures wind turbines, been a pioneer and one of the technological leaders in permanent magnet direct drive or PM/DD. The technological agreement foresees that the companies will cooperate so WEG can offer to the South American wind market a utility-scale technology platform that will include wind turbines rated between 2.1 and 2.3MW and rotors sized from 93m to 110m, which shall meet customer requirements in a range of a wind classes. Turbines leveraging PM/DD technology typically demonstrate higher availability and lower maintenance and repair costs than traditional gear-based turbines, offering higher energy production over the turbine’s lifetime, and providing enhanced economic returns to owners. The wind turbines initially will be manufactured at WEG’s manufacturing facilities in Jaraguá do Sul, state of Santa Catarina, Brazil. WEG has already secured an initial order from Geradora Eólica Bons Ventos da Serra I S.A., a partnership between Brazilian Servtec Group, a tradition strategic player in the Brazilian engineering and energy spaces, and several investments funds managed by Rio Bravo, a very active financial player in this industry. WEG will supply 11 of the 2.1MW wind turbines to a wind farm located in Ibiapina, in the State of Ceará, from mid 2014 onwards. With this announcement, WEG also informs that the partnership with Spanish company MTOI, originally announced in 2010, has been terminated. Jaraguá do Sul (SC), August 14, 2013 Laurence Beltrão Gomes Finance and Investor Relations Officer Page 1 of 1 WEG S.A. A Publicly Listed Company NIRE nº 42.300.012.203 CNPJ/MF: nº 84.429.695/0001-11 Avenida Prefeito Waldemar Grubba, 3300 – CEP 89256-900 – Jaraguá do Sul – SC – Brasil