EXFO Inc. provided earnings guidance for the fourth quarter of fiscal 2019. The company forecasts IFRS sales between USD 66.0 million and USD 71.0 million for the fourth quarter of fiscal 2019. IFRS net loss is expected to range between USD 0.02 per share and earnings USD 0.02 per share in the fourth quarter of 2019. IFRS net loss includes USD 0.04 per share in after-tax amortization of intangible assets and stock-based compensation costs.