Pic will look to carry his momentum into the next GP2 Series round, which takes place around the iconic streets of Monte Carlo on May 22-24.
The 22-year-old Southwater ace leads the F1 feeder series standings by 10 points heading to the first round of the European season.
GP2 and GP3 review: Barcelona was a good test of tyre management on the Circuit de Catalunya
Fighting performances from Jake Rosenzweig and Rio Haryanto on Circuit de Catalunya in Barcelona
Briton lies sixth in GP2 standings after fourth place in sprint race
Team's drivers suffered excessive tyre wear in the mid-field pack and had to make do with fifteenth (Stéphane Richelmi) and twentieth (Marcus Ericsson) positions.
Nathanael Berthon ended his day in 23rd.
Following their problems in yesterday’s Feature Race both of the Racing Engineering drivers were starting from down the grid for the 26 lap Sprint Race with Julián Leal in 13th and Fabio Leimer in 18th.
Solid win and a second victory of the season for Stefano Coletti
Tomorrow, in the shorter sprint race with no pit stop, the F1 Caterham Racing development driver, will start from 24th.
Trident Racing's Kevin Ceccon and Nathanael Berthon started respectively from the 5th and 11th row on the grid on today's Race 1.
On lap 24, Tom Dillmann, in an attempt to overtake, has touched the Stéphane Richlemi's car.
Top positions stabilized afterwards until pit-stops highlighted the different strategies.
Both Racing Engineering cars will start from the bottom half of the grid in tomorrow’s Sprint Race.