RLI CORP. DL 1 revenue for the last year amounted to 1.94 B EUR, the most of which — 687.07 M EUR — came from its highest performing source at the moment, Casualty, the year earlier bringing 665.11 M EUR. The greatest contribution to the revenue figure was made by United States — last year it brought RLI CORP. DL 1 1.17 B EUR, and the year before that — 1.07 B EUR.