During H118 IQE experienced double-digit sales growth on a constant currency basis in each of its three primary markets, although this was partly offset by a currency headwind. The investment in multiple VCSEL qualifications and the Newport foundry depressed margins, but underpins management’s expectations of a sustained photonics ramp-up in H218 and FY19. Acknowledging the currency headwind and one-off H118 photonics costs, we revise our estimates downwards.