IQE Plc revenue for the last year amounted to 146.78 M USD, the most of which — 75.23 M USD — came from its highest performing source at the moment, Photonics, the year earlier bringing 107.20 M USD. The greatest contribution to the revenue figure was made by United States — last year it brought IQE Plc 69.31 M USD, and the year before that — 135.80 M USD.