| TR-1: Standard form for notification of major holdings |
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| 1. Issuer Details |
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| ISIN |
| GB00BYT1DJ19 |
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| Issuer Name |
| ICG PLC |
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| UK or Non-UK Issuer |
| UK |
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| 2. Reason for the notification |
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| An acquisition or disposal of voting rights |
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| 3. Details of person subject to the notification obligation |
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| Name |
| Wellington Management Group LLP |
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| City of registered office (if applicable) |
| Boston |
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| Country of registered office (if applicable) |
| USA |
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| 4. Details of the shareholder |
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| Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above |
| | BBH ISL NOMINEES LTD | | BNY (OCS) Nominees Limited | | HSBC Global Custody Nominee (UK) Limited | | JP Morgan Chase Nominees Limited | | Mellon Nominees (UK) Ltd. | | Nortrust Nominees Limited | | State Street Nominees Limited | | VIDACOS NOMINEES LIMITED |
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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 |
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| 28/08/2025 |
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| 6. Date on which Issuer notified |
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| 29/08/2025 |
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| 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 | 4.832070% | 0.168741% | 5.000811% | 14534256 |
| Position of previous notification (if applicable) | 4.819021% | 0.168741% | 4.987761% | 14496329 |
| 8. Notified details of the resulting situation on the date on which the threshold was crossed or reached |
| 8A. Voting rights attached to shares |
| Class/Type of shares ISIN code(if possible) | Number of direct voting rights (DTR5.1) | Number of indirect voting rights (DTR5.2.1) | % of direct voting rights (DTR5.1) | % of indirect voting rights (DTR5.2.1) |
| GB00BYT1DJ19 Common Stock | | 14043832 | | 4.832070% |
| | | | |
| Sub Total 8.A | 14043832 | 4.832070% |
| 8B1. 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 |
| | | | |
| Sub Total 8.B1 | | | | |
| 8B2. 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 |
| Equity Swap | 15/05/2033 | 15/05/2033 | Cash settlement | 490424 Equity Swap shares or 490424 votes on a converted basis | 0.168741% |
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| Sub Total 8.B2 | | | | 490424 | 0.168741% |
| 9. Information in relation to the person subject to the notification obligation |
| 2. 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) |
| 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 |
| Wellington Management Group LLP (Chain 1) | Wellington Management Group LLP | | | 5.000811 |
| Wellington Management Group LLP (Chain 1) | Wellington Group Holdings LLP | | | 5.000811 |
| Wellington Management Group LLP (Chain 1) | Wellington Investment Advisors Holdings LLP | | | 5.000811 |
| Wellington Management Group LLP (Chain 1) | Wellington Management Company LLP | | | |
| Wellington Management Group LLP (Chain 2) | Wellington Management Group LLP | | | 5.000811 |
| Wellington Management Group LLP (Chain 2) | Wellington Group Holdings LLP | | | 5.000811 |
| Wellington Management Group LLP (Chain 2) | Wellington Investment Advisors Holdings LLP | | | 5.000811 |
| Wellington Management Group LLP (Chain 2) | Wellington Management Global Holdings, Ltd. | | | |
| Wellington Management Group LLP (Chain 2) | Wellington Management International Ltd | | | |
| Wellington Management Group LLP (Chain 3) | Wellington Management Group LLP | | | 5.000811 |
| Wellington Management Group LLP (Chain 3) | Wellington Group Holdings LLP | | | 5.000811 |
| Wellington Management Group LLP (Chain 3) | Wellington Investment Advisors Holdings LLP | | | 5.000811 |
| Wellington Management Group LLP (Chain 3) | Wellington Management Global Holdings, Ltd. | | | |
| Wellington Management Group LLP (Chain 3) | Wellington Management Hong Kong Ltd | | | |
| Wellington Management Group LLP (Chain 4) | Wellington Management Group LLP | | | 5.000811 |
| Wellington Management Group LLP (Chain 4) | Wellington Group Holdings LLP | | | 5.000811 |
| Wellington Management Group LLP (Chain 4) | Wellington Investment Advisors Holdings LLP | | | 5.000811 |
| Wellington Management Group LLP (Chain 4) | Wellington Management Global Holdings, Ltd. | | | |
| Wellington Management Group LLP (Chain 4) | Wellington Management Europe GmbH | | | |
| 10. In case of proxy voting |
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| 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 |
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| 12. Date of Completion |
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| 29/08/2025 |
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| 13. Place Of Completion |
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| Boston, MA USA |
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