OREANDA-NEWS. September 20, 2011. BM&FBOVESPA announces that the exercise of options on stocks on Monday in the BOVESPA segment generated BRL 4.14 billion, of which BRL 3.04 billion in call options and BRL 1.01 billion in put options. The options with the largest volumes in the exercise were:

Vale PNA at BRL 39.07 per share totaled BRL 583.08 million in call options;

Vale PNA at BRL 40.55 per share totaled BRL 505.65 million in call options;

Vale PNA at BRL 43.07 per share totaled BRL 297.87 million in call options;

Petrobras PN at BRL 34.91 per share totaled BRL 270.90 million in put options;

and Vale PNA at BRL 37.07 per share totaled BRL 207.75 million in call options.