There has been some speculation that the pair will move to the Le Mans-style World Endurance Championship, but their futures remain uncertain.
After Cheglakov’s departure, the team went into administration at the end of 2014, before Fitzpatrick, the founder of the OVO energy company bought the team, investing as much as £30 million of his own fortune.
Stephen Fitzpatrick put £30 million of his own fortune into the team
Justin King, the former Sainsbury’s boss, is involved in the team, but it is Fitzpatrick and his business associate Abdulla Boulsien, who have increasingly kept Booth and Lowdon out of the loop.
Manor have been way off the pace this season, running year-old Ferrari engines, but they recently signed a deal for Mercedes power from 2016. It should help move them closer to the midfield and has left plenty of drivers interested in the two seats.
Englishman Will Stevens is in negotiations over extending his relationship with the team into a second season, but Manor are now demanding an increased £10 million sponsorship fee. The 24-year-old from Rochford, Essex, said on Thursday “things are moving in the right direction”.