3i Group PLC

Major Shareholding Notification • Dec 11, 2025

National Storage Mechanism | Additional information

RNS Number : 2657L

3i Infrastructure PLC

11 December 2025

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
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
City of registered office (if applicable)
Country of registered office (if applicable)
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
			% 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%
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
						SUBTOTAL 8. B 1
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
							SUBTOTAL 8.B.2
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%
10. In case of proxy voting, please identify:
Name of the proxy holder
The number and % of voting rights held
The date until which the voting rights will be held
11. Additional information
Proxy voting varies on underlying account
Place of completion												United Kingdom
Date of completion												10.12.2025

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