IGO Interactive Annual Report 2018

Notes to the consolidated financial statements 30 June 2018 (continued) Working Capital Provisions This section of the notes provides further information about the Group's working capital and provisions, including accounting policies and key judgements and estimates relevant to understanding these items. 7 Cash and cash equivalents 2018 $'000 2017 $'000 Cash at bank and in hand 138,658 35,733 Deposits at call 30 30 138,688 35,763 The Group has cash balances of $1,864,000 (2017: $108,000) not generally available for use as the balances are held by the Tropicana Joint Venture and may only be used in relation to joint venture expenditure. The Group's exposure to interest rate risk and a sensitivity analysis for financial assets and liabilities are disclosed in note 21. (a) Reconciliation of profit after income tax to net cash inflow from operating activities 2018 $'000 2017 $'000 Profit for the period 52,686 17,011 Depreciation and amortisation 252,133 89,773 Impairment of exploration and evaluation expenditure - 24,891 Impairment of assets - 135 Net (gain) loss on sale of non-current assets (148) 613 Fair value of movement of financial investments (231) (4,343) Non-cash employee benefits expense - share-based payments 3,267 1,147 Gain on disposal of subsidiary (2,541) - Amortisation of borrowing expenses 916 - Amortisation of lease incentive (78) (78) Foreign exchange losses on cash balances 999 223 Change in operating assets and liabilities: (Increase) decrease in trade receivables (26,912) (10,425) (Increase) decrease in inventories (49,692) 635 (Increase) decrease in deferred tax assets 23,404 (29,445) (Increase) decrease in other operating receivables and prepayments (8,152) (955) (Increase) decrease in derivative financial instruments (29) - (Decrease) increase in trade and other payables 34,135 (58,517) (Decrease) increase in deferred tax liabilities 2,976 38,850 (Decrease) increase in other provisions (4,928) 8,163 Net cash inflow from operating activities 277,805 77,678 (b) Non-cash investing and financing activities There were no non-cash investing and financing activities during the current or previous year. Independence Group NL 18 82 — IGO ANNUAL REPORT 2018 NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS 30 JUNE 2018