Ansaldo STS S.p.A. Share buyback plan approved by the ordinary shareholders’ meeting of 23 april 2010 closed
Ansaldo STS announces that the share buyback plan launched on 4 November 2010, following
approval by the shareholders’ meeting of 23 April 2010, to be used for the 2008-2010 plan for the
free allocation of company shares, approved by the ordinary shareholders’ meeting of 1 April 2008,
has now closed.