Haryanto completes Campos line-up

The Indonesian driver will switch from Caterham to the Valencia-based team for the new season, where he will be teamed with Arthur Pic.

Haryanto, who won the 2009 Formula BMW Pacific title, has been a regular in GP2 since 2012, with best results of second in last year's sprint race at Silverstone and third in the Monaco sprint earlier in 2014. He finished last season 15th in the standings.

"I am very happy to be back in GP2 this year and looking forward to working together with Campos," Haryanto said.

"I feel that Campos Racing is a strong team and are very committed to success, and Adrian is a good motivator."

Adrian Campos added: "I should like warmly to welcome Rio Haryanto to Campos Racing. I am very pleased as he is an experienced driver.

"We are going to give him our full support to deliver good results together."

Pic was Campos's best performer last season, finishing the year seventh.

Pierre Gasly, Alex Lynn

Marco Sorensen, Julian Leal

Stoffel Vandoorne, tba

Jordan King, tba

Raffaele Marciello, tba

Arthur Pic, Rio Haryanto

Norman Nato, tba

Yet to announce drivers: Russian Time, MP, Rapax, Status, Hilmer, Lazarus