Prime Minister Viktor Orbán is attending a two-day EU summit on Eastern Partnership which started in Vilnius, Lithuania, on Thursday. The Hungarian Prime Minister will participate in an informal meeting of heads of state and governments of EU and European Council members chaired by European Council President Herman Van Rompuy. This will be followed by a working dinner with delegates. On Friday he will participate in signing agreements between the EU and Eastern Partnership countries and will address the summit’s plenary session.