Complex sentence: Notes printed before November 2003 bear the signature of the first president of the European Central Bank, Wim Duisenberg, who was replaced on 1 November 2003 by Jean-Claude Trichet, whose signature appears on issues from November 2003 to March 2012.
Split into simpler sentences: Notes printed before November 2003 bear the signature of the first president of the European Central Bank, Wim Duisenberg. He was succeeded on 1 November 2003 by Jean-Claude Trichet, whose signature appears on issues from November 2003 to March 2012.