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Financial risk management and financial instruments - Derivatives Entered (Details) € in Millions, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2022 USD ($) $ / T MT R / $ $ / bbl $ / € MMBbls | Jun. 30, 2021 USD ($) R / $ $ / gal $ / bbl $ / € MMBbls | Jun. 30, 2022 EUR (€) $ / T MT R / $ $ / bbl $ / € MMBbls | Jun. 30, 2021 EUR (€) R / $ $ / gal $ / bbl $ / € MMBbls
Crude oil put options purchased |  |  |  |
Financial risk management and financial instruments |  |  |  |
Number of barrels - open positions |  | 10.0 |  | 10.0
Number of barrels - settled | 10.0 | (32.5) | 10.0 | (32.5)
Annual average floor price | $ / bbl |  | 40.5 |  | 40.5
Premium paid | $ | $ 0.0 | $ 93.8 |  |
Crude oil put options sold |  |  |  |
Financial risk management and financial instruments |  |  |  |
Number of barrels - open positions |  | (10.0) |  | (10.0)
Number of barrels - settled | 10.0 |  | 10.0 |
Annual average floor price | $ / bbl |  | 43.2 |  | 43.2
Crude oil zero cost collar |  |  |  |
Financial risk management and financial instruments |  |  |  |
Number of barrels - open positions | 29.0 | 24.0 | 29.0 | 24.0
Number of barrels - settled | 24.0 | 5.1 | 24.0 | 5.1
Annual average floor price | $ / bbl | 63.3 | 60.1 | 63.3 | 60.1
Annual average cap price | $ / bbl | 96.6 | 72.0 | 96.6 | 72.0
Crude oil swap options |  |  |  |
Financial risk management and financial instruments |  |  |  |
Number of barrels - open positions |  | 18.0 |  | 18.0
Number of barrels - settled | 18.0 |  | 18.0 |
Annual average floor price | $ / bbl |  | 67.2 |  | 67.2
Crude oil futures |  |  |  |
Financial risk management and financial instruments |  |  |  |
Contract/Notional amount - open positions | $ | $ 1.0 | $ 108.0 |  |
Contract/Notional amount - settled | $ | $ 29.0 |  |  |
Annual average floor price | $ / bbl | 109.9 | 73.6 | 109.9 | 73.6
Ethane swap options |  |  |  |
Financial risk management and financial instruments |  |  |  |
Number of barrels - open positions |  | 4.0 |  | 4.0
Number of barrels - settled | 4.0 | 26.2 | 4.0 | 26.2
Annual average floor price | $ / gal |  | 23.2 |  | 23.2
Coal swap options |  |  |  |
Financial risk management and financial instruments |  |  |  |
Number of tons - open positions | MT | 0.4 |  | 0.4 |
Number of tons - settled | MT | 1.0 |  | 1.0 |
Annual average floor price | $ / T | 293.7 |  | 293.7 |
Foreign exchange contracts | US Dollar |  |  |  |
Financial risk management and financial instruments |  |  |  |
Contract/Notional amount - open positions | $ | $ 334.0 | $ 143.0 |  |
Annual average floor price | R / $ | 16.24 | 14.66 | 16.24 | 14.66
Foreign exchange contracts | Euro |  |  |  |
Financial risk management and financial instruments |  |  |  |
Contract/Notional amount - open positions | € |  |  | € 70 | € 100
Annual average floor price | $ / € | 1.07 | 1.20 | 1.07 | 1.20
Foreign exchange zero cost collars |  |  |  |
Financial risk management and financial instruments |  |  |  |
Contract/Notional amount - open positions | $ | $ 4,400.0 | $ 2,800.0 |  |
Contract/Notional amount - settled | $ | $ 3,900.0 | $ 5,370.0 |  |
Annual average floor price | R / $ | 15.04 | 14.54 | 15.04 | 14.54
Annual average cap price | R / $ | 18.06 | 17.52 | 18.06 | 17.52

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