04/02/2004 (Agence Europe) - According to estimates published by Eurostat on 3 February the euro-zone industrial producer price index decreased by 0.1% in December 2003 compared with the previous month. EU15 prices remained unchanged. In November 20033 prices rose by 0.1% in the euro-zone and 0.3% in the EU15. In December 2003 compared to December 2002, industrial producer prices increased by 1.0% in both the euro-zone and the EU15.