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COMMITMENTS | 12 Months Ended
--- | ---
Dec. 31, 2021
Commitments [Abstract] |
Commitments | Commitments
| December 31, 2021 | December 31, 2020
Purchase obligations | $ | 99.6 |  | $ | 120.3 |
Capital expenditure obligations | 426.2 |  | 400.6 |
Lease obligations | 80.3 |  | 72.4 |
| $ | 606.1 |  | $ | 593.3 |
(a) Commitments – payments due by period
As at December 31, 2020 |  | Total | <1 yr 1 | 1-2 yrs 2 | 3-4 yrs 3 | >4 yrs 4
Purchase obligations |  | $ | 99.6 |  | $ | 83.7 |  | $ | 4.3 |  | $ | 5.3 |  | $ | 6.3 |
Capital expenditure obligations |  | 426.2 |  | 348.9 |  | 76.9 |  | 0.4 |  | — |
Lease obligations |  | 80.3 |  | 26.3 |  | 36.5 |  | 9.7 |  | 7.8 |
|  | $ | 606.1 |  | $ | 458.9 |  | $ | 117.7 |  | $ | 15.4 |  | $ | 14.1 |
1.Due over the period from January 1, 2022 to December 31, 2022. 2.Due over the period from January 1, 2023 to December 31, 2024. 3.Due over the period from January 1, 2025 to December 31, 2026. 4.Due from January 1, 2027 and beyond. (b)Royalties included in Cost of sales Production from certain mining operations is subject to third party royalties (included in cost of sales) based on various methods of calculation summarized as follows:
| December 31, 2021 | December 31, 2020
Essakane 1 | $ | 40.7 |  | $ | 36.8 |
Rosebel 2 | 19.9 |  | 22.4 |
| $ | 60.6 |  | $ | 59.2 |
1.Royalty based on a percentage of gold sold applied to the gold market price the day before shipment; the royalty percentage varies according to the gold market price: 3% if the gold market price is lower or equal to $1,000 per ounce, 4% if the gold market price is between $1,000 and $1,300 per ounce, or 5% if the gold market price is above $1,300 per ounce. 2.2% in-kind royalty per ounce of gold production and price participation of 6.5% on the amount exceeding a market price of $425 per ounce when applicable, using for each calendar quarter the average market price determined by the London Gold Fix P.M. In addition, 0.25% of all minerals produced at Rosebel are payable to a charitable foundation for the purpose of promoting local development of natural resources within Suriname.

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- Definition The disclosure of commitments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_10_e&doctype=Standard -URIDate 2021-03-24 + Details
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