The holdup on Nico Hulkenberg's contract extension for 2011 is because Williams wants him to commit for a very long time, according to a German report.

The holdup on Nico Hulkenberg's contract extension for 2011 is because Williams wants him to commit for a very long time, according to a German report.

It has been reported that the British team is contemplating replacing the 2009 GP2 champion next year with the Venezuelan pay-driver Pastor Maldonado.

But Sir Frank Williams has now described 23-year-old German Hulkenberg as "exceptional", raising doubts about the reason for the delay in his re-signing for 2011.

According to Sport Bild, the Oxfordshire based team wants him to sign a new five-year contract.

The deal will reportedly include a EUR15 million 'out' fee in the event that Hulkenberg wants to switch to a different team before the five year term is concluded.

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