Ariadne Australia Limited provided earnings guidance for the half year ended 31 December 2017. The company announced that the net profit before tax attributable to members for the half year to 31 December 2017, is currently expected to be in the range of $2.6 million to $3.6 million compared to $6.2 million reported for the first half of the previous financial year. This forecast is subject to the operating performance of subsidiaries and associates during the final quarter, and routine period end accounting and audit review. In addition, half year mark-to-market adjustments to the investment portfolio and foreign exchange movements, attributable to members before tax as reported in other comprehensive income is currently estimated to be in the range of a $1.6 million to $2.6 million net gain compared to a $11.9 million net gain reported for the first half of the previous financial year.