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Borrowings - Debt instrument (Details) € in Millions, R$ in Millions, $ in Millions, ₦ in Billions, XOF in Billions, XAF in Billions, R in Billions | Sep. 30, 2025 USD ($) | Sep. 30, 2025 BRL (R$) | Sep. 30, 2025 XOF | Sep. 30, 2025 EUR (€) | Sep. 30, 2025 ZAR (R) | Sep. 30, 2025 NGN (₦) | Sep. 30, 2025 XAF | Dec. 31, 2024 USD ($)
--- | --- | --- | --- | --- | --- | --- | --- | ---
Borrowings |  |  |  |  |  |  |  |
Borrowings | $ 3,270.7 |  |  |  |  |  |  | $ 3,347.9
IHS Holding limited, Senior Note Maturing 2026 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | $ 200.0 |  |  |  |  |  |  |
Interest rate | 5.625% | 5.625% | 5.625% | 5.625% | 5.625% | 5.625% | 5.625% |
Borrowings | $ 203.2 |  |  |  |  |  |  | 200.8
IHS Holding limited, Senior Note Maturing 2026 | Redemption between November 29, 2023 - November 28, 2024 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Early redemption price as a percentage of notional amount | 102.8125% | 102.8125% | 102.8125% | 102.8125% | 102.8125% | 102.8125% | 102.8125% |
IHS Holding limited, Senior Note Maturing 2026 | Redemption between November 29, 2024 - November 28, 2025 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Early redemption price as a percentage of notional amount | 101.40625% | 101.40625% | 101.40625% | 101.40625% | 101.40625% | 101.40625% | 101.40625% |
IHS Holding limited, Senior Note Maturing 2026 | Redemption after November 29, 2025 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Early redemption price as a percentage of notional amount | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% |
IHS Holding limited, Senior Note Maturing 2028 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | $ 500.0 |  |  |  |  |  |  |
Interest rate | 6.25% | 6.25% | 6.25% | 6.25% | 6.25% | 6.25% | 6.25% |
Borrowings | $ 507.7 |  |  |  |  |  |  | 499.4
IHS Holding limited, Senior Note Maturing 2028 | Redemption between November 29, 2024 - November 28, 2025 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Early redemption price as a percentage of notional amount | 103.125% | 103.125% | 103.125% | 103.125% | 103.125% | 103.125% | 103.125% |
IHS Holding limited, Senior Note Maturing 2028 | Redemption between November 29, 2025 - November 28, 2026 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Early redemption price as a percentage of notional amount | 101.5625% | 101.5625% | 101.5625% | 101.5625% | 101.5625% | 101.5625% | 101.5625% |
IHS Holding limited, Senior Note Maturing 2028 | Redemption after November 29, 2026 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Early redemption price as a percentage of notional amount | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% |
IHS Holding limited, Senior Note Maturing 2030 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | $ 550.0 |  |  |  |  |  |  |
Interest rate | 7.875% | 7.875% | 7.875% | 7.875% | 7.875% | 7.875% | 7.875% |
Borrowings | $ 557.1 |  |  |  |  |  |  | 545.4
IHS Holding limited, Senior Note Maturing 2031 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | $ 650.0 |  |  |  |  |  |  |
Interest rate | 8.25% | 8.25% | 8.25% | 8.25% | 8.25% | 8.25% | 8.25% |
Borrowings | $ 658.3 |  |  |  |  |  |  | 644.2
IHS Mauritius NG Holdco Limited, senior notes issued 2019 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | $ 286.0 |  |  |  |  |  |  |
Interest rate | 8.00% | 8.00% | 8.00% | 8.00% | 8.00% | 8.00% | 8.00% |
Borrowings | $ 283.8 |  |  |  |  |  |  | 293.7
IHS Netherlands Holdco B.V., Senior Note Maturing 2027 | Redemption after September 17, 2024 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Early redemption price as a percentage of notional amount | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% | 100.00% |
IHS Brasil - Cesso de Infraestruturas S.A, debentures issued in 2023 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  | 177.6
IHS Brasil - Cesso de Infraestruturas S.A, debentures issued in 2023 | CDI |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 3.10% | 3.10% | 3.10% | 3.10% | 3.10% | 3.10% | 3.10% |
IHS Brasil - Cesso de Infraestruturas S.A, debentures issued in 2024 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  | 44.0
IHS Brasil - Cesso de Infraestruturas S.A, debentures issued in 2024 | CDI |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 2.80% | 2.80% | 2.80% | 2.80% | 2.80% | 2.80% | 2.80% |
I-Systems Solues de Infraestrutura S.A., debentures issued in 2024 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | R$ |  | R$ 160.0 |  |  |  |  |  |
Borrowings | $ 30.6 |  |  |  |  |  |  | 24.3
I-Systems Solues de Infraestrutura S.A., debentures issued in 2024 | CDI |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 2.10% | 2.10% | 2.10% | 2.10% | 2.10% | 2.10% | 2.10% |
IHS Cote d Ivoire S.A., CIV XOF Tranche II |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | XOF |  |  | XOF 7.6 |  |  |  |  |
Interest rate | 6.50% | 6.50% | 6.50% | 6.50% | 6.50% | 6.50% | 6.50% |
Borrowings | $ 13.2 |  |  |  |  |  |  | 14.4
IHS Cote d Ivoire S.A., CIV Euro Tranche II |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | € |  |  |  | € 60.2 |  |  |  |
Borrowings | $ 69.2 |  |  |  |  |  |  | 75.5
IHS Cote d Ivoire S.A., CIV Euro Tranche II | 3M EURIBOR |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 3.50% | 3.50% | 3.50% | 3.50% | 3.50% | 3.50% | 3.50% |
IHS Holding 2025 facility |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | $ 200.0 |  |  |  |  |  |  |
Borrowings | $ 196.8 |  |  |  |  |  |  |
IHS Holding 2025 facility | 3M SOFR |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 4.85% | 4.85% | 4.85% | 4.85% | 4.85% | 4.85% | 4.85% |
IHS Holding (2024) Dual Tranche Bullet Term Loan Facility, USD Tranche |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | $ 255.0 |  |  |  |  |  |  |
Borrowings | $ 256.9 |  |  |  |  |  |  | 256.6
IHS Holding (2024) Dual Tranche Bullet Term Loan Facility, USD Tranche | 3M SOFR |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 4.50% | 4.50% | 4.50% | 4.50% | 4.50% | 4.50% | 4.50% |
IHS Holding (2024) Dual Tranche Bullet Term Loan Facility, ZAR Tranche |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | R |  |  |  |  | R 3.2 |  |  |
Borrowings | $ 190.8 |  |  |  |  |  |  | 175.2
IHS Holding (2024) Dual Tranche Bullet Term Loan Facility, ZAR Tranche | 3M JIBAR |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 4.50% | 4.50% | 4.50% | 4.50% | 4.50% | 4.50% | 4.50% |
IHS Towers South Africa Proprietary Limited, maturing 2029 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | R |  |  |  |  | R 3.1 |  |  |
Borrowings | $ 180.4 |  |  |  |  |  |  | 174.8
IHS Towers South Africa Proprietary Limited, maturing 2029 | 3M JIBAR |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 2.75% | 2.75% | 2.75% | 2.75% | 2.75% | 2.75% | 2.75% |
IHS Zambia Limited, maturing 2027 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | $ 47.5 |  |  |  |  |  |  |
Borrowings | $ 47.7 |  |  |  |  |  |  | 62.2
IHS Zambia Limited, maturing 2027 | CAS + SOFR |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 5.00% | 5.00% | 5.00% | 5.00% | 5.00% | 5.00% | 5.00% |
INT Towers Limited, borrowings issued January 2023 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  | 91.6
INT Towers Limited, borrowings issued January 2023 | MPR |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% |
I-Systems Solues de Infraestrutura S.A., bank term loan issued October 2022 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | R$ |  | R$ 400.0 |  |  |  |  |  |
Borrowings | $ 74.2 |  |  |  |  |  |  | 61.4
I-Systems Solues de Infraestrutura S.A., bank term loan issued October 2022 | CDI | Minimum |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 2.45% | 2.45% | 2.45% | 2.45% | 2.45% | 2.45% | 2.45% |
I-Systems Solues de Infraestrutura S.A., bank term loan issued October 2022 | CDI | Maximum |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% |
IHS Holding 2025 revolving credit facility |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | $ 300.0 |  |  |  |  |  |  |
IHS Holding 2025 revolving credit facility | CAS + SOFR |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 3.50% | 3.50% | 3.50% | 3.50% | 3.50% | 3.50% | 3.50% |
Nigeria (2023) Revolving Credit Facility |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | ₦ |  |  |  |  |  | ₦ 55.0 |  |
Nigeria (2023) Revolving Credit Facility | MPR |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Borrowings, adjustment to interest rate basis | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% | 2.50% |
IHS Cameroon S.A., borrowings agreement September 2025 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | XAF |  |  |  |  |  |  | XAF 10.0 |
Interest rate | 5.50% | 5.50% | 5.50% | 5.50% | 5.50% | 5.50% | 5.50% |
IHS Nigeria, letters of credit issued February 2022 |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Notional amount | $ 356.5 |  |  |  |  |  |  |
Borrowings | $ 0.8 |  |  |  |  |  |  | $ 6.8
IHS Nigeria, letters of credit issued February 2022 | Minimum |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Interest rate | 12.00% | 12.00% | 12.00% | 12.00% | 12.00% | 12.00% | 12.00% |
IHS Nigeria, letters of credit issued February 2022 | Maximum |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  |
Interest rate | 15.39% | 15.39% | 15.39% | 15.39% | 15.39% | 15.39% | 15.39% |

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