JAPAN PETROLEUM EXPLORAT. revenue for the last year amounted to 2.34 B EUR, the most of which — 678.66 M EUR — came from its highest performing source at the moment, Natural Gas, the year earlier bringing 440.00 M EUR. The greatest contribution to the revenue figure was made by Japan — last year it brought JAPAN PETROLEUM EXPLORAT. 2.10 B EUR, and the year before that — 1.43 B EUR.