Prospex Oil & Gas Plc announced that it has been advised by the operator Po Valley Energy Limited (PVE) that isochronal flow testing operations on a rig-less basis have commenced at the Podere Maiar-1d appraisal/redevelopment well ('Podere Maiar' or 'the Well'), onshore Italy. The operator anticipates the flow test results will be available within the next seven days, at which point Prospex will provide a further update to the market. Prospex holds a 17% interest in the Well (PVE 63% Operator; United Oil & Gas Plc 20%), which is located on the Podere Gallina Exploration Permit ('Podere Gallina' or the 'Permit') in the Po Valley region.