Oil climbed about two per cent overnight to new 2019 highs, with Brent crude touching $US69 a barrel after positive signs for the global economy and tighter supplies drove both benchmarks' largest first-quarter gains in nearly a decade.

Oil climbed about two per cent overnight to new 2019 highs, with Brent crude touching $US69 a barrel after positive signs for the global economy and tighter supplies drove both benchmarks' largest first-quarter gains in nearly a decade.