Aberdeen Group plcLSE: ABDN

Aberdeen Group: Holding(s) in Company

· Issued by Aberdeen Group plc via RNS

Summary by 6ix AI

Aberdeen Group plc told Morgan Sindall Group plc on October 15, 2026 that its holding crossed above the 5% voting-rights threshold on October 14, 2026, reaching 5.303230% of voting rights, up from below 5% at its previous notification.

Key details

  • The holding is 2,583,406 voting rights, all attached to shares, with no voting rights held through financial instruments.
  • The disclosure is due to an internal in-specie transfer (a transfer of the shares themselves rather than cash) completed on October 14, 2026.
  • The shares are managed within multiple portfolios on behalf of underlying clients by a discretionary investment management entity within Aberdeen Group plc, to which those clients have delegated their voting power.
  • Aberdeen Group plc holds the voting rights through entities including abrdn Investments (Holdings) Limited, abrdn Investment Management Limited, abrdn Holdings Limited and abrdn Investments Limited.

6ix AI wrote this summary from the release below and checked it against the release.

TR-1: Standard form for notification of major holdings

1. Issuer Details

ISIN

GB0008085614

Issuer Name

MORGAN SINDALL 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

Aberdeen Group plc

City of registered office (if applicable)

Edinburgh

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

14-Oct-2026

6. Date on which Issuer notified

15-Oct-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

5.303230

0.000000

5.303230

2,583,406

Position of previous notification (if applicable)

Below 5%

0.000000

Below 5%

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)

GB0008085614

2,583,406

5.303230

Sub Total 8.A

2,583,406

5.303230

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

Aberdeen Group plc

Aberdeen Group plc

abrdn Investments (Holdings) Limited

Aberdeen Group plc

abrdn Investment Management Limited

Aberdeen Group plc

Aberdeen Group plc

abrdn Holdings Limited

Aberdeen Group plc

abrdn Investments Limited

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

If date does not apply, explain below

11. Additional Information

In reference to Section 9, the shares detailed are managed by the named discretionary investment management entity within multiple portfolios on behalf of underlying clients, based on investment management agreements whereby the client has delegated the exercise of the voting power to the referenced investment manager.

This disclosure is due to an internal in-specie transfer in completed on 14 October 2026.

12. Date of Completion

15-Oct-2026

13. Place Of Completion

Glasgow, United Kingdom

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