Valtteri Bottas has been promoted to race driver for the 2013 Formula One season as he will line up alongside Pastor Maldonado at Williams.
Venezuelan Maldonado has retained his seat with the Grove-based marque for a third year, while Bottas, who has been the team's reserve driver for the past two seasons, replaces Bruno Senna.
It had long been suggested Bottas would get his chance in 2013 after impressing in a number of Friday practice sessions this year.