Holding(s) in Company

In brief · summary, not quotable

Dimensional Fund Advisors LP has acquired voting rights in FIRSTGROUP PLC, increasing its total holding to 5.007000% of the voting rights, representing 28,167,366 shares. This acquisition crossed the notification threshold on May 28, 2026, with the issuer being notified on May 29, 2026. The previous notification showed a holding of 4.976178%. Dimensional Fund Advisors LP manages these shares through various subsidiary undertakings and expressly disclaims beneficial ownership.

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Issuer Details

ISIN

GB0003452173

Issuer Name

FIRSTGROUP 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

Dimensional Fund Advisors LP

City of registered office (if applicable)

Austin

Country of registered office (if applicable)

USA

Details of the shareholder

Name

City of registered office

Country of registered office

The shares are held by one or more nominees/custodians

Date on which the threshold was crossed or reached

28-May-2026

Date on which Issuer notified

29-May-2026

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	5.007000	0.000000	5.007000	28167366
Position of previous notification (if applicable)		4.976178	0.000000	4.976178
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)
GB0003452173			28167366	5.007000
Sub Total 8.A			28167366	5.007000%
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

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

Information in relation to the person subject to the notification obligation

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

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

The ordinary shares are held in segregated accounts and funds (together, the “Accounts”) managed on a discretionary basis by Dimensional Fund Advisors LP and its subsidiary undertakings i) Dimensional Fund Advisors Ltd., (ii) DFA Australia Limited (iii) Dimensional Ireland Limited (iv) Dimensional Fund Advisors Canada ULC and (v) Dimensional Fund Advisors Pte. Ltd.

Dimensional Fund Advisors LP is controlled by its general partner, Dimensional Holdings Inc.

Dimensional Fund Advisors LP, on behalf of itself and its subsidiary undertakings, expressly disclaims beneficial ownership of the shares held in the Accounts.

To note, as of 28 May 2026, Dimensional Fund Advisors LP also had investment management discretion over an additional 135,179 shares held by the Accounts where the voting rights are not controlled by Dimensional Fund Advisors LP or its subsidiary undertakings.