Fabio Leimer took victory after dominating the GP2 Feature race in Bahrain.
Leimer led from pole position and maintained a comfortable gap throughout the race to Stefano Coletti.
Alexander Rossi claimed a podium on his debut for Caterham, ahead of a charging Felipe Nasr.
Nasr's Carlin team-mate Joylon Palmer finished fifth, with Sam Bird in sixth. Bird rocketed from ninth to third at the first corner but slipped back as the race progressed.
Adrian Quaife-Hobbs took seventh and Tom Dillmann finished in eighth to secure pole position for the Sprint race.
Reigning Formula Renault 3.5 Series champion Robin Frijns made his debut but clumsily clattered into DAMS's Stephane Richelmi, with both dropping to the back of the field.