Dialight PlcLSE: DIA

Holding(s) in Company

TR-1: Standard form for notification of major holdings

1. Issuer Details

ISIN

 GB0033057794

Issuer Name

 Dialight 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

 Generation Investment Management LLP

City of registered office (if applicable)

Country of registered office (if applicable)

4. Details of the shareholder

Name

City of registered office

Country of registered office

Generation Investment Manager LLP

20 Air Street, 7th floor, London, United Kingdom W1B 5AN.

England and Wales

5. Date on which the threshold was crossed or reached 

02-Sep-2025

6. Date on which Issuer notified

 03-Sep-2025

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

0%

n/a

0%

0

Position of previous notification (if applicable)

 7.92%

 N/A

 7.92%

3,183,000

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)

 (ISIN:GB0033057794)

N/A

0

N/A

0%

Sub Total 8.A

 0

0%

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

N/A

N/A

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

N/A

N/A

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

Generation Investment Management LLP

Generation Investment Management LLP

0%

0%

0%

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

03 September 2025

13. Place Of Completion

London, UK