EcoRodovias informs traffic growth figures for the first quarter of 2012 São Paulo, April 9, 2012 – ECORODOVIAS INFRAESTRUTURA E LOGÍSTICA S.A. (BM&F Bovespa: ECOR3) hereby informs the market of its concessionaries’ preliminary consolidated traffic figures for the first quarter of 2012. The results showed here are subjected to eventual updates. Highway Concessions Consolidated traffic in terms of numbers of equivalent paying vehicles increased by 5.9% in the first quarter of 2012 ,compared to the same period of the previous year. Growth in consolidated traffic was 5.7% for commercial vehicles and 6.0% for passenger vehicles. Traffic Volume 1Q12 1Q11 Chg. 5,931 6,825 2,713 3,990 3,566 23,025 5,677 6,375 2,277 3,705 3,741 21,775 4.5% 7.1% 19.1% 7.7% -4.7% 5.7% 9,288 14,079 1,472 2,758 1,625 29,222 8,744 13,420 1,284 2,635 1,477 27,560 6.2% 4.9% 14.6% 4.7% 10.0% 6.0% 15,219 20,904 4,185 6,748 5,191 52,247 14,421 19,795 3,561 6,340 5,218 49,335 5.5% 5.6% 17.5% 6.4% -0.5% 5.9% (Equivalent paying vehicles - thousand) Commercial Ecovias dos Imigrantes Ecopistas Ecovia Caminho do Mar Ecocataratas Ecosul Rodovias do Sul Total Passenger Ecovias dos Imigrantes Ecopistas Ecovia Caminho do Mar Ecocataratas Ecosul Rodovias do Sul Total Commercial + Passenger Ecovias dos Imigrantes Ecopistas Ecovia Caminho do Mar Ecocataratas Ecosul Rodovias do Sul CONSOLIDATED Note: Vehicles-equivalent is a basic reference unit used in toll collection statistics in Brazil. Light vehicles, such as passenger vehicles, correspond to one vehicles-equivalent. Heavy vehicles, such as trucks and buses, are converted into axle-equivalents by a multiplier applied to the number of axles per vehicle, as established in the terms of each concession contract. Roberto Nakagome Investor Relations Officer +55 11 3787-2667 [email protected] http://www.ecorodovias.com.br/ir Life and development in balance