Brazilian striker Grafite has agreed to extend his contract with German champion Wolfsburg until 2012. Grafite, the leading scorer in the Bundesliga last season, scored 28 goals. Grafite formed a strike partnership with Edin Dzeko that produced a total of 54 goals, making them the most prolific partnership in Bundesliga's history. Wolfsburg coach Armin Veh said: "Grafite is a striker with class. He is enormously important for the team.  I want to contribute my part to us remaining successful.''