In 1905, Burmah signed a contract with the Admiralty to supply naval fuel oil from Rangoon.

[3] In 1938, Burmah Oil was the subject of a major nationalist protest and general strike in British Burma, known as the 1300 Revolution.

[7] The company was involved in a landmark legal case in 1964, Burmah Oil Co. v Lord Advocate, concerning compensation for the destruction of oil fields in Burma by British forces in 1942 to avoid them falling into the hands of the invading Japanese army, winning a 3-2 decision in the Judicial Committee of the House of Lords, but the effect of this was specifically reversed by the War Damage Act 1965.

[8] In 1963, the company left Burma and undertook new exploration in India, Pakistan, Bangladesh, Australasia, the Americas, Canada and the North Sea until 1986.

[10] The Bank of England came to the rescue of Burmah Oil after the company made large losses on its tanker fleets in 1974.