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Last checked at 
16 Jan 2026 07:00
TR-1: Standard form for notification of major holdings
1. Issuer Details
ISIN
GB00B64NSP76
Issuer Name
COSTAIN GROUP PLC
UK or Non-UK Issuer
UK
2. Reason for Notification
An acquisition or disposal of voting rights
3. Details of person subject to the notification obligation
Name
UBS Group AG-Investment Bank & Global Wealth Management
City of registered office (if applicable)
London
Country of registered office (if applicable)
United Kingdom
4. Details of the shareholder
Name | City of registered office | Country of registered office |
UBS AG | London | United Kingdom |
5. Date on which the threshold was crossed or reached
14-Jan-2026
6. Date on which Issuer notified
15-Jan-2026
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 | 7.908523 | 0.000000 | 7.908523 | 21093210 |
Position of previous notification (if applicable) | 8.338660 | 0.000000 | 8.338660 |
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) |
GB00B64NSP76 | 21093210 | 7.908523 | ||
Sub Total 8.A | 21093210 | 7.908523% | ||
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 |
| |||||
Sub Total 8.B2 | |||||
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 |
UBS Group AG (Chain 1) | ||||
UBS Group AG (Chain 1) | UBS AG | 7.908523 | 7.908523% |
10. In case of proxy voting
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
12. Date of Completion
15-Jan-2026
13. Place Of Completion
Zurich, Switzerland
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