Paul Hembry: ideally, you need to sign a multiyear contract

Recently the FIA conducted a tender for the supply of tyres for Formula 1, giving them a three-year contract. However, in Pirelli, long announced his desire to remain in Formula 1, count on a five-year contract and hope that the decision will be made in the near future.
Question: How is the contract for the supply of rubber?
Paul HembryWe want in the near future learn, will remain the exclusive supplier of tyres for Formula 1. It is best to sign a multiyear contract - say, five years. We recently concluded an eight-year contract with NASCAR. Continuity is an important factor.
Question: By what date Pirelli should receive information about how do you continue working in Formula 1?
Paul Hembry: I would like to know this yesterday! Seriously, we have 600 specialists, and if you have to leave the Formula 1, then we must understand how to use them in another area. Anyway, we don't want the decision was taken in June or July, as last time - it's too late.
Question: In 2014 year in Formula 1 begins the era of turbo engine. Should be an interesting time for the tyre manufacturer...
Paul Hembry: To obtain the relevant data is quite difficult, so we look forward to closer cooperation with the teams. The turbo will have more torque, which will affect the level of grip in the turns, and the higher the grip, the more the temperature of the tire. Need to evaluate and maximum speed - so we avoid mistakes in the creation of the tires and issues with their wear.