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v3.23.2

Net finance expense/(income) (Tables) | 6 Months Ended
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Jun. 30, 2023
Net finance expense/(income) |
Schedule of net finance expense | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months ended June 30, | ​ | Six months ended June 30,
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022
​ | ​ | $'m | ​ | $'m | ​ | $'m | ​ | $'m
Senior Secured Green and Senior Green Notes | ​ | 33 | ​ | 25 | ​ | 66 | ​ | 48
Net pension interest costs |  | 1 | ​ | 1 | ​ | 2 | ​ | 2
(Gains)/ losses on derivative financial instruments | ​ | (1) | ​ | — | ​ | 3 | ​ | —
Foreign currency translation losses |  | 2 | ​ | 3 | ​ | 4 | ​ | 4
Other net finance expense | ​ | 14 | ​ | 5 | ​ | 24 | ​ | 8
Net finance expense before exceptional items | ​ | 49 | ​ | 34 | ​ | 99 | ​ | 62
Exceptional finance income (note 5) | ​ | (26) | ​ | (74) | ​ | (53) | ​ | (125)
Net finance expense/(income) | ​ | 23 | ​ | (40) | ​ | 46 | ​ | (63)

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