NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS  NOTE 30 – CASH FLOW INFORMATION  2014 2013 Year ended 31 December  US$’000 US$’000 a) Reconciliation of cash flows from operations with income from  ordinary activities after income tax Profit from ordinary activities after income tax 15,321  15,942  Adjustments to reconcile net profit to net operating cash flows: Depreciation and amortisation expense 85,584  36,225  Share options expensed  1,915  1,590  Unrealised (gains) losses on derivatives (9,642)  837  Net gain on sale of properties (48,604)  (7,335)  Impairment of development and production assets  71,212  -  Unsuccessful exploration and evaluation expense  10,934  Amortisation of deferred financing fees  316  140  Add: Interest expense (disclosed in investing and financing  activities)  383  -  Recognition of DTA on items directly within equity  879  665  Other  126  (153)  Changes in assets and liabilities:  - (Decrease) increase in current and deferred income tax  (14,606)  5,147  - Decrease in other assets  28  2,155  - Decrease (increase) in trade and other receivables  8,679  (3,541)  - Increase in trade and other payables 5,562  10,974  Net cash provided by operating activities  128,087  62,646  - 94 -  b) Non Cash Financing and Investing Activities  - During the year ended 31 December 2014 the net gain on sale of properties for the disposition of the  Company’s remaining Williston assets included the relief of a net payable due to the buyer of $4.0 million  ($17.1 million payable and $13.1 million receivable).  - During the year ended 31 December 2013 $132.1 million in shares were issued in connection with the  Texon acquisition. 