Tinubu said current global energy pressures should not push Nigeria back to petrol subsidies, arguing that the country should make greater use of its domestic gas resources.
PMP had also argued that it had an interest in the original proceedings but was not joined as a party before the Federal High Court made its earlier order concerning the NDC.
With the arbitration dispute now decided, attention is expected to shift towards the Federal Government's next steps on the Mambilla project, particularly financing, contracting and implementation.
Petrol prices have surged to as high as ₦1,500 per litre in parts of Nigeria, following another increase in Dangote Refinery's gantry price amid rising global crude prices and renewed supply concerns.