Jean Bernard Lévy, EDF' s Chairman and CEO, stated: "The half-year results confirm the rebound announced for 2018, thanks to a solid operational performance and to the continuation of the cost reduction efforts... Under the EDF group' s performance plan, operating expenses25 were brought down by 159 million compared to the first half of 2017- (3 7 %) through actions to optimise purchases and to control of payroll costs.