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CONSOLIDATED STATEMENTS OF CASH FLOW - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
OPERATING ACTIVITIES |  |
Net earnings (loss) | $ 140.6 | $ (79.3)
Adjustments for: |  |
Loss on disposal of Blackwater | 0.0 | 30.2
Foreign exchange gain | (0.9) | (1.4)
Gain on disposal of Blackwater stream | (147.3) | 0.0
Depreciation and depletion | 196.8 | 194.6
Financial instrument transaction costs | 0.4 | 3.4
Other non-cash adjustments | 94.3 | 55.3
Income tax expense | 19.7 | 4.3
Finance income | (0.3) | (1.1)
Finance costs | 34.8 | 79.2
Reclamation and closure costs paid | (12.0) | (7.4)
Cash flows from (used in) operations before changes in working capital | 326.1 | 277.8
Change in non-cash operating working capital | 1.0 | 16.2
Income taxes (paid) recovered | (3.4) | 0.8
Cash generated from operations | 323.7 | 294.8
INVESTING ACTIVITIES |  |
Mining interests | (247.3) | (284.2)
Proceeds from sale of Blackwater stream | 300.0 | 0.0
Proceeds from sale of Blackwater | 39.4 | 102.8
Proceeds from sale of Mesquite | 0.0 | 9.1
Proceeds from sale of other assets | 1.4 | 0.1
Investment and other financial instrument acquisitions | (36.4) | (2.1)
Interest received | 0.3 | 1.1
Cash generated from (used by) investing activities | 57.4 | (173.2)
FINANCING ACTIVITIES |  |
Issuance of senior unsecured notes, net of transaction costs | 0.0 | (221.6)
Proceeds from New Afton free cash flow interest obligation, net of transaction costs | 0.0 | 296.6
Proceeds received from issuance of shares | 0.2 | 10.2
Lease payments | (10.4) | (11.0)
Cash settlement of non-current derivative financial liabilities | (32.3) | (21.9)
Interest paid | (42.6) | (42.8)
Financing initiation costs | (1.4) | (1.4)
Repayment of credit facility | 0.0 | (30.0)
Cash used by financing activities | (86.5) | (21.9)
Effect of exchange rate changes on cash and cash equivalents | 0.6 | 3.2
Change in cash and cash equivalents | 295.2 | 102.9
Cash and cash equivalents, beginning of period | 186.3 | 83.4
Cash and cash equivalents, end of period | 481.5 | 186.3
Cash and cash equivalents are comprised of: |  |
Cash | 337.5 | 125.4
Short-term money market instruments | 144.0 | 60.9
Cash and cash equivalents, end of period | $ 481.5 | $ 186.3

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- Definition The cash inflow from sales of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 16 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_16_b&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The cash outflow for the purchase of investments other than investments accounted for using equity method. [Refer: Investments accounted for using equity method; Investments other than investments accounted for using equity method] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_16&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The cash outflow for the purchase of mining assets. [Refer: Mining assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_16&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition A classification of cash equivalents representing short-term investments. [Refer: Cash equivalents] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount proceeds from sale of mesquite net transaction costs and other adjustments. + References No definition available. + Details
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