Suspects charged include Paulo Roberto Costa, former director of Petrobras' refining division as well as 23 executives from big Brazilian construction companies, and Alberto Youssef, who allegedly deals currency on the black market and distributed the bribe payments, according to Market Watch . A member of the group of federal prosecutors in the investigation told the publication they are looking to recover at least 1 billion reals through the charges, and have ruled out any possible out-of-court settlements.