The Brazilian conglomerate plans to raise cash and use its shares in petrochemical company Braskem as guarantee.
Investigators arrested former president Álvaro Colóm and much of his former cabinet Tuesday, in yet another corruption scandal involving a sitting or former president of the Central American country.
Trinidad and Tobago and Saint Lucia are at risk. Last month, the European Union removed Panama, Barbados and Grenada from the list.
Colombian finance minister Mauricio Cárdenas has urged international lenders to back a rescue plan if Venezuela's President Nicolás Maduro leaves power.
The card is aimed at MercadoLibre platform clients who do not have a bank account.