In addition to presenting the teams 2003 challenger, Peter Sauber today announced another new sponsor for his team - Russian mobile phone provider Mobile TeleSystems (MTS), with whom a multi-year deal has been agreed.

Mobile TeleSystems are the major mobile telephone provider in Russia and Eastern Europe and together with their subsidiaries own the mobile phone licenses for 56 regions in Russia.

"In a difficult economic environment we've managed to lock in a package of solid financial backing," said Peter Sauber. "Nine days ago, Red Bull decided to extend their partnership with us, and now we've been able to secure MTS as another sponsor. This underscores the appeal of our team.

"Together with our sponsors, Petronas and Credit Suisse, we now have a solid basis for our forward-looking strategy, which includes the construction of our ultra-modern wind tunnel adjacent to our Hinwil plant," he added.