Oil prices rose on Thursday for the fourth consecutive session, supported by an improved outlook for demand recovery this year.
Brent crude futures for June delivery added 36 cents, or 0.5%, to close at $66.94 per barrel.
Meanwhile, the West Texas Intermediate (WTI) crude futures for May delivery gained 31 cents, or 0.5%, to finish at $63.46 per barrel.
Both the global and the U.S. crude benchmarks settled at their highest level since March 17.