F1 rookie Lucas di Grassi has bought into the GP3 arm of the Spanish GP2 outfit Addax.

F1 rookie Lucas di Grassi has bought into the GP3 arm of the Spanish GP2 outfit Addax.

Now a Virgin driver, the Brazilian has become a minor shareholder of the team that he and Vitaly Petrov drove to the GP2 constructors' title in 2008, according to multiple Portuguese-language sources.

"We are convinced that with his tremendous seriousness and professionalism, he will make an important contribution to the success we expect to achieve in a short time," said owner Alejandro Agag.

"After driving for the team, I'm offering my services in the sports area," Brazilian di Grassi, 26, is quoted by publications including Terra, R7 and UOL.

"I am eager to work on a project that is a genuine platform for young drivers and will try to help them prepare technically and tactically," he added.

GP3, a feeder series for GP2, was launched in 2010, and also features a team part-owned by Mark Webber.

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