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Holding(s) in Company

In brief · summary, not quotable

UBS Group AG, through its entity UBS AG, has notified an acquisition of voting rights in Costain Group PLC, crossing a major holding threshold on November 5, 2025. The investment bank's total voting rights in Costain Group PLC now stand at 7.350962%, representing 19,606,110 shares. This marks an increase from its previously notified position of 6.844710%, indicating a notable change in its stake in the UK-based issuer.

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Issuer Details

ISIN

GB00B64NSP76

Issuer Name

COSTAIN GROUP PLC

UK or Non-UK Issuer

UK

Reason for Notification

An acquisition or disposal of voting rights

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

Details of the shareholder

NameCity of registered officeCountry of registered office
UBS AGLondonUnited Kingdom

Date on which the threshold was crossed or reached

05-Nov-2025

Date on which Issuer notified

07-Nov-2025

  • 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 reached7.3509620.0000007.35096219606110
Position of previous notification (if applicable)6.8447100.0000006.844710
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)
GB00B64NSP76196061107.350962
Sub Total 8.A196061107.350962%
8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))
Type of financial instrumentExpiration dateExercise/conversion periodNumber of voting rights that may be acquired if the instrument is exercised/converted% of voting rights

Sub Total 8.B1

  • Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))
Type of financial instrumentExpiration dateExercise/conversion periodPhysical or cash settlementNumber of voting rights% of voting rights

Sub Total 8.B2

  • Information in relation to the person subject to the notification obligation
Ultimate controlling personName 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 thresholdTotal of both if it equals or is higher than the notifiable threshold
UBS Group AG (Chain 1)
UBS Group AG (Chain 1)UBS AG7.3509627.350962%

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

  • Additional Information
  • Date of Completion

07-Nov-2025

Place Of Completion

Zurich, Switzerland

Cleaned text: letterheads, contacts and legal notices removed. View the original announcement ↗ · Company filings. Not investment advice.

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