NOTIFICATION OF MAJOR INTERESTS IN SHARES
On 10 December 2025 3i Infrastructure plc ("the Issuer") was notified of the following details relating to a major interest in its shares.
| 1. Issuer Details | |||||||||||||||
| ISIN | JE00BF5FX167 | ||||||||||||||
| Issuer Name | 3i Infrastructure plc | ||||||||||||||
| UK or Non-UK Issuer | Non-UK | ||||||||||||||
| 2. Reason for the notification (please mark the appropriate box or boxes with an "X") | |||||||||||||||
| An acquisition or disposal of voting rights | X | ||||||||||||||
| An acquisition or disposal of financial instruments | | ||||||||||||||
| An event changing the breakdown of voting rights | | ||||||||||||||
| Other (please specify): | | ||||||||||||||
| 3. Details of person subject to the notification obligation | |||||||||||||||
| Name | Evelyn Partners Limited
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| City of registered office (if applicable) | London | ||||||||||||||
| Country of registered office (if applicable) | United Kingdom | ||||||||||||||
| 4. Details of the shareholder | |||||||||||||||
| Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above |
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| City of registered office (if applicable) |
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| Country of registered office (if applicable) |
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| 5. Date on which the threshold was crossed or reached: | 08.12.2025 | ||||||||||||||
| 6. Date on which issuer notified (DD/MM/YYYY): | 10.12.2025 | ||||||||||||||
| 7. Total positions of person(s) subject to the notification obligation | |||||||||||||||
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| % of voting rights attached to shares (total of 8. A) | % of voting rights through financial instruments (total of 8.B 1 + 8.B 2) | Total of both in % (8.A + 8.B) | Total number of voting rights held in issuer | |||||||||||
| Resulting situation on the date on which threshold was crossed or reached | 5.003000 | 0.000000 | 5.003000 | 46153953 | |||||||||||
| Position of previous notification (if applicable) | | | | | |||||||||||
| 8. Notified details of the resulting situation on the date on which the threshold was crossed or reached | |||||||||||||||
| A: Voting rights attached to shares | |||||||||||||||
| Class/type of shares ISIN code (if possible) | Number of voting rights | % of voting rights | |||||||||||||
| Direct (Art 9 of Directive 2004/109/EC) (DTR5.1) | Indirect (Art 10 of Directive 2004/109/EC) (DTR5.2.1) | Direct (Art 9 of Directive 2004/109/EC) (DTR5.1) | Indirect (Art 10 of Directive 2004/109/EC) (DTR5.2.1) | ||||||||||||
| JE00BF5FX167 | 0 | 46153953 | 0.000000 | 5.003000 | |||||||||||
| SUBTOTAL 8. A | 46153953 | 5.003000% | |||||||||||||
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| B 1: Financial Instruments according to (DTR5.3.1R.(1) (a)) | |||||||||||||||
| Type of financial instrument | Expiration date | Exercise/Conversion period | Number of voting rights that may be acquired if the instrument is exercised/converted | % of voting rights | |||||||||||
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| SUBTOTAL 8. B 1 |
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| B 2: Financial Instruments with similar economic effect according to (DTR5.3.1R. (1) (b)) | |||||||||||||||
| Type of financial instrument | Expiration date | Exercise/Conversion period | Physical or cash settlement | Number of voting rights | % of voting rights | ||||||||||
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| SUBTOTAL 8.B.2 |
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| 9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an "X") | |||||||||||||||
| Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer | | ||||||||||||||
| Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entities (please add additional rows as necessary) | X | ||||||||||||||
| Ultimate controlling person | Name of controlled undertaking | % of voting rights if it equals or is higher than the notifiable threshold | % of voting rights through financial instruments if it equals or is higher than the notifiable threshold | Total of both if it equals or is higher than the notifiable threshold | |||||||||||
| Evelyn Partners Limited | Evelyn Partners Limited | 0.120000 | 0.000000 | 0.120000% | |||||||||||
| Evelyn Partners Limited | Smith & Williamson Holdings Limited | 4.883000 | 0.000000 | 4.883000% | |||||||||||
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| 10. In case of proxy voting, please identify: | |||||||||||||||
| Name of the proxy holder |
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| The number and % of voting rights held |
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| The date until which the voting rights will be held |
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| 11. Additional information | |||||||||||||||
| Proxy voting varies on underlying account | |||||||||||||||
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| Place of completion | United Kingdom | ||||||||||||||
| Date of completion | 10.12.2025 | ||||||||||||||
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