Max Chilton was confirmed for his second season in F1 alongside his 2013 Marussia racer on the F1 Racing Grid.
The team retains the same driver lineup from 2013.
While it appears Sauber has two young drivers with the cash flow, the Russian may not be ready for Formula One, leaving a spot for Hulkenberg to remain with the team.
According to Blick newspaper, Hulkenberg and his manager Werner Heinz are having "sleepless nights".
"Certainly Kevin has impressed in the tests he has done, and as a team that has brought young drivers into Formula One, he is in the frame" - Graeme Lowdon
Among the attendees were Bianchi, Chilton, Rossi, Kovalainen, Valsecchi, Gene, Button, Hamilton, Buemi, Rosberg and Perez.
Andy Webb, Marussia CEO: We have seen the strength of that support again in the last few days following the very pleasing announcement of our new powertrain partnership with Scuderia Ferrari.
Pat Symonds comments on the fact that a an experience top-level Formula One driver could race the Marussia cars faster than Bianchi and Chilton
Britain’s four F1 drivers look forward to racing in front of “special” home crowd.
Renault-powered cars have scored a total of 315 points in 2013, 45% of the points available.
The programme was completed but the ambient heat and track conditions have conspired to create a tough day in terms of finding a good balance.
Jules Bianchi did well to post strong lap times periodically through the race to show his potential.
The objective of extract further performance from the early package continues.
John Booth, Marussia Team Principal: “It was a big ‘ask’ of two rookie drivers to face a qualifying session like the one we’ve experienced today..."
The team are saying that Max Chilton and Jules Bianchi are anything but racing rookies.
Max Chilton: "I'm happy and feeling prepared and confident for Melbourne now.
In the afternoon Marussia were able to switch focus to a dry tyre programme and an evaluation of further components from the new aero upgrade for Melbourne.
With only one driver yet secured for the Marussia F1 Team, rookie Max Chilton is doing double time testing the new MR02 on the Circuit De Catalunya.
Rumours suggested 23-year-old Razia's sponsors had missed a payment date.
Marussia new aero package will be tested next week.
Former Renault 'crash-gate' conspirator Pat Symonds was allowed to return to Formula One last year, and now he is with the Marussia team.
The Marussia F1 Team and Max Chilton completed its first race distance work on Thursday.